[INFO] cloning repository https://github.com/lal-buturabi/rust-ffi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lal-buturabi/rust-ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flal-buturabi%2Frust-ffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flal-buturabi%2Frust-ffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e1ffeadc432a2329cd8bed7ef4c4e510b8ac8d3
[INFO] testing lal-buturabi/rust-ffi against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flal-buturabi%2Frust-ffi" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lal-buturabi/rust-ffi
[INFO] finished tweaking git repo https://github.com/lal-buturabi/rust-ffi
[INFO] tweaked toml for git repo https://github.com/lal-buturabi/rust-ffi written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lal-buturabi/rust-ffi on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lal-buturabi/rust-ffi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d41ed14135911bf579c6cde26af7e74a7d272ee745796e7430f756d9d7f4962
[INFO] running `Command { std: "docker" "start" "-a" "7d41ed14135911bf579c6cde26af7e74a7d272ee745796e7430f756d9d7f4962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d41ed14135911bf579c6cde26af7e74a7d272ee745796e7430f756d9d7f4962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d41ed14135911bf579c6cde26af7e74a7d272ee745796e7430f756d9d7f4962", kill_on_drop: false }`
[INFO] [stdout] 7d41ed14135911bf579c6cde26af7e74a7d272ee745796e7430f756d9d7f4962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0592f3ff305d1062820d412a8b054b3689014839e670f3952e12d00846aea2c8
[INFO] running `Command { std: "docker" "start" "-a" "0592f3ff305d1062820d412a8b054b3689014839e670f3952e12d00846aea2c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling libloading v0.8.0
[INFO] [stderr]    Compiling FFI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stdout]  --> src/ints/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stdout]  --> src/floats/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stdout]  --> src/strings/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` is never used
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/common.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn test<T>(func: &str, x: T, y: T, i: usize) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/ints/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/ints/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/ints/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/ints/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]  --> src/ints/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/floats/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/floats/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/floats/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/floats/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_rev` is never used
[INFO] [stdout]  --> src/strings/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_cmp` is never used
[INFO] [stdout]  --> src/strings/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `FFI` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `ffi`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` should have an upper case name
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub const paths: [&str; 3] = [
[INFO] [stdout] 3 + pub const PATHS: [&str; 3] = [
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Numerics` should have a snake case name
[INFO] [stdout]  --> src/common.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod Numerics {
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `add` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `add` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout]   = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `sub` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `sub` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `mul` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `mul` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `div` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `div` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "0592f3ff305d1062820d412a8b054b3689014839e670f3952e12d00846aea2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0592f3ff305d1062820d412a8b054b3689014839e670f3952e12d00846aea2c8", kill_on_drop: false }`
[INFO] [stdout] 0592f3ff305d1062820d412a8b054b3689014839e670f3952e12d00846aea2c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a654c035164118800c5e252231000ef44b19d219600b2612a3271ae8f875f771
[INFO] running `Command { std: "docker" "start" "-a" "a654c035164118800c5e252231000ef44b19d219600b2612a3271ae8f875f771", kill_on_drop: false }`
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stdout]  --> src/ints/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stdout]  --> src/floats/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stdout]  --> src/strings/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` is never used
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/common.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn test<T>(func: &str, x: T, y: T, i: usize) -> T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/ints/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/ints/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/ints/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/ints/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]  --> src/ints/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/floats/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/floats/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/floats/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/floats/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_rev` is never used
[INFO] [stdout]  --> src/strings/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_cmp` is never used
[INFO] [stdout]  --> src/strings/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `FFI` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `ffi`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` should have an upper case name
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub const paths: [&str; 3] = [
[INFO] [stdout] 3 + pub const PATHS: [&str; 3] = [
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Numerics` should have a snake case name
[INFO] [stdout]  --> src/common.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod Numerics {
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling FFI v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `add` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `add` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout]   = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `sub` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `sub` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `mul` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `mul` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `div` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `div` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stdout]  --> src/ints/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stdout]  --> src/floats/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stdout]  --> src/strings/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[no_mangle]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let r = unsafe { test::<c_int>("add", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let r = unsafe { test::<c_int>("sub", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let r = unsafe { test::<c_int>("mul", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let r = unsafe { test::<c_int>("div", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ints/mod.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let r = unsafe { test::<c_int>("modulo", x, y, 0) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let r = unsafe { test::<c_float>("add", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let r = unsafe { test::<c_float>("sub", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let r = unsafe { test::<c_float>("mul", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/floats/mod.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let r = unsafe { test::<c_float>("div", x, y, 1) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/ints/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/ints/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/ints/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/ints/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]  --> src/ints/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/floats/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub` is never used
[INFO] [stdout]  --> src/floats/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mul` is never used
[INFO] [stdout]  --> src/floats/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]  --> src/floats/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_rev` is never used
[INFO] [stdout]  --> src/strings/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_cmp` is never used
[INFO] [stdout]  --> src/strings/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `paths` should have an upper case name
[INFO] [stdout]  --> src/common.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const paths: [&str; 3] = [
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 3 - pub const paths: [&str; 3] = [
[INFO] [stdout] 3 + pub const PATHS: [&str; 3] = [
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Numerics` should have a snake case name
[INFO] [stdout]  --> src/common.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub mod Numerics {
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `add` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `add` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout]   = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `sub` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `sub` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `mul` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `mul` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `div` redeclared with a different signature
[INFO] [stdout]  --> src/floats/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/ints/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stdout]   |     ------------------------------------ `div` previously declared here
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stdout]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "a654c035164118800c5e252231000ef44b19d219600b2612a3271ae8f875f771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a654c035164118800c5e252231000ef44b19d219600b2612a3271ae8f875f771", kill_on_drop: false }`
[INFO] [stdout] a654c035164118800c5e252231000ef44b19d219600b2612a3271ae8f875f771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a375739362c7632a445dee031a0b442d8d9891e81dc112d3d0442713b68729e3
[INFO] running `Command { std: "docker" "start" "-a" "a375739362c7632a445dee031a0b442d8d9891e81dc112d3d0442713b68729e3", kill_on_drop: false }`
[INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stderr]  --> src/ints/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[no_mangle]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stderr]  --> src/floats/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[no_mangle]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stderr] 
[INFO] [stderr] warning: `#[no_mangle]` attribute cannot be used on foreign modules
[INFO] [stderr]  --> src/strings/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[no_mangle]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = help: `#[no_mangle]` can be applied to functions and statics
[INFO] [stderr] 
[INFO] [stderr] warning: constant `paths` is never used
[INFO] [stderr]  --> src/common.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const paths: [&str; 3] = [
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test` is never used
[INFO] [stderr]   --> src/common.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn test<T>(func: &str, x: T, y: T, i: usize) -> T {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]  --> src/ints/mod.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub` is never used
[INFO] [stderr]  --> src/ints/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mul` is never used
[INFO] [stderr]  --> src/ints/mod.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `div` is never used
[INFO] [stderr]  --> src/ints/mod.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `modulo` is never used
[INFO] [stderr]  --> src/ints/mod.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn modulo(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]  --> src/floats/mod.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub` is never used
[INFO] [stderr]  --> src/floats/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mul` is never used
[INFO] [stderr]  --> src/floats/mod.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `div` is never used
[INFO] [stderr]  --> src/floats/mod.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `str_rev` is never used
[INFO] [stderr]  --> src/strings/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn str_rev(s: *const c_char) -> *mut c_char;
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `str_cmp` is never used
[INFO] [stderr]  --> src/strings/mod.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn str_cmp(s1: *const c_char, s2: *const c_char) -> c_short;
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `FFI` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `ffi`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `paths` should have an upper case name
[INFO] [stderr]  --> src/common.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub const paths: [&str; 3] = [
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]   |
[INFO] [stderr] 3 - pub const paths: [&str; 3] = [
[INFO] [stderr] 3 + pub const PATHS: [&str; 3] = [
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: module `Numerics` should have a snake case name
[INFO] [stderr]  --> src/common.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod Numerics {
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stderr] 
[INFO] [stderr] warning: `add` redeclared with a different signature
[INFO] [stderr]  --> src/floats/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]   |
[INFO] [stderr]  ::: src/ints/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |     ------------------------------------ `add` previously declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stderr]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stderr]   = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sub` redeclared with a different signature
[INFO] [stderr]  --> src/floats/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn sub(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]   |
[INFO] [stderr]  ::: src/ints/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn sub(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |     ------------------------------------ `sub` previously declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stderr]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stderr] 
[INFO] [stderr] warning: `mul` redeclared with a different signature
[INFO] [stderr]  --> src/floats/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn mul(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]   |
[INFO] [stderr]  ::: src/ints/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn mul(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |     ------------------------------------ `mul` previously declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stderr]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stderr] 
[INFO] [stderr] warning: `div` redeclared with a different signature
[INFO] [stderr]  --> src/floats/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn div(a: c_float, b: c_float) -> c_float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]   |
[INFO] [stderr]  ::: src/ints/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn div(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |     ------------------------------------ `div` previously declared here
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected `unsafe extern "C" fn(i32, i32) -> i32`
[INFO] [stderr]              found `unsafe extern "C" fn(f32, f32) -> f32`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let r = unsafe { test::<c_int>("add", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let r = unsafe { test::<c_int>("sub", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let r = unsafe { test::<c_int>("mul", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let r = unsafe { test::<c_int>("div", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/ints/mod.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let r = unsafe { test::<c_int>("modulo", x, y, 0) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/floats/mod.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let r = unsafe { test::<c_float>("add", x, y, 1) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/floats/mod.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let r = unsafe { test::<c_float>("sub", x, y, 1) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/floats/mod.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let r = unsafe { test::<c_float>("mul", x, y, 1) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/floats/mod.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let r = unsafe { test::<c_float>("div", x, y, 1) };
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]  --> src/ints/mod.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn add(a: c_int, b: c_int) -> c_int;
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Numerics` should have a snake case name
[INFO] [stderr]  --> src/common.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub mod Numerics {
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `numerics`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `FFI` (lib) generated 23 warnings (run `cargo fix --lib -p FFI` to apply 4 suggestions)
[INFO] [stderr] warning: `FFI` (lib test) generated 29 warnings (18 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/FFI-98beccc8cfb6a1c5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test ints::tests::it_works ... FAILED
[INFO] [stdout] test floats::tests::it_works ... FAILED
[INFO] [stdout] test strings::tests::string_reversal_works ... FAILED
[INFO] [stdout] test strings::tests::string_comparision_works ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- ints::tests::it_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'ints::tests::it_works' (18) panicked at src/common.rs:14:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DlOpen { desc: "./src/ints/ints.dylib: invalid ELF header" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x589b3f8b9962 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x589b3f8b9962 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x589b3f8b9962 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x589b3f8b9962 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x589b3f8ca3df - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x589b3f8ca3df - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x589b3f887433 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x589b3f887433 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x589b3f8931d2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x589b3f897caf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x589b3f897b41 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x589b3f8586fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x589b3f8586fe - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x589b3f8982bf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x589b3f8982bf - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x589b3f89811a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x589b3f893309 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x589b3f87bbfd - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x589b3f8d1bf0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x589b3f8d1356 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x589b3f833b4f - core::result::Result<T,E>::unwrap::hab925751ed7a7ced
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x589b3f833b4f - FFI::common::Numerics::test::h411e88afa9d8d78d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common.rs:14:46
[INFO] [stdout]   22:     0x589b3f8336fd - FFI::ints::tests::it_works::h35580e1ceecd7bb6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ints/mod.rs:22:26
[INFO] [stdout]   23:     0x589b3f833997 - FFI::ints::tests::it_works::{{closure}}::h9f32b713303adead
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ints/mod.rs:18:18
[INFO] [stdout]   24:     0x589b3f8367d6 - core::ops::function::FnOnce::call_once::haf94d6cb54adc450
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x589b3f8584fb - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x589b3f8584fb - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x589b3f86c55d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x589b3f86c55d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x589b3f86c55d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x589b3f86c55d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x589b3f86c55d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x589b3f86c55d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x589b3f86c55d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x589b3f845aa4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x589b3f845aa4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x589b3f8492fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x589b3f8492fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x589b3f8492fa - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x589b3f8492fa - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x589b3f8492fa - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x589b3f8492fa - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x589b3f8492fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x589b3f88e70f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x589b3f88e70f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x7db0d912aaa4 - <unknown>
[INFO] [stdout]   46:     0x7db0d91b7a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- floats::tests::it_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'floats::tests::it_works' (17) panicked at src/common.rs:14:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DlOpen { desc: "./src/floats/floats.dylib: invalid ELF header" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x589b3f8b9962 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x589b3f8b9962 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x589b3f8b9962 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x589b3f8b9962 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x589b3f8ca3df - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x589b3f8ca3df - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x589b3f887433 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x589b3f887433 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x589b3f8931d2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x589b3f897caf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x589b3f897b41 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x589b3f8586fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x589b3f8586fe - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x589b3f8982bf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x589b3f8982bf - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x589b3f89811a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x589b3f893309 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x589b3f87bbfd - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x589b3f8d1bf0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x589b3f8d1356 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x589b3f833f27 - core::result::Result<T,E>::unwrap::hab925751ed7a7ced
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x589b3f833f27 - FFI::common::Numerics::test::hee10e78370c9e466
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common.rs:14:46
[INFO] [stdout]   22:     0x589b3f8341cf - FFI::floats::tests::it_works::hf0add8c7060b4427
[INFO] [stdout]                                at /opt/rustwide/workdir/src/floats/mod.rs:21:26
[INFO] [stdout]   23:     0x589b3f834437 - FFI::floats::tests::it_works::{{closure}}::ha300e7ff663c9791
[INFO] [stdout]                                at /opt/rustwide/workdir/src/floats/mod.rs:17:18
[INFO] [stdout]   24:     0x589b3f836816 - core::ops::function::FnOnce::call_once::hdc306b8a9e46003f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x589b3f8584fb - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x589b3f8584fb - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x589b3f86c55d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x589b3f86c55d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x589b3f86c55d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x589b3f86c55d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x589b3f86c55d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x589b3f86c55d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x589b3f86c55d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x589b3f845aa4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x589b3f845aa4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   36:     0x589b3f8492fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   37:     0x589b3f8492fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x589b3f8492fa - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x589b3f8492fa - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x589b3f8492fa - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x589b3f8492fa - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   42:     0x589b3f8492fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x589b3f88e70f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   44:     0x589b3f88e70f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   45:     0x7db0d912aaa4 - <unknown>
[INFO] [stdout]   46:     0x7db0d91b7a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- strings::tests::string_reversal_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'strings::tests::string_reversal_works' (20) panicked at src/strings/mod.rs:20:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DlOpen { desc: "./src/strings/strings.dylib: invalid ELF header" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x589b3f8b9962 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x589b3f8b9962 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x589b3f8b9962 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x589b3f8b9962 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x589b3f8ca3df - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x589b3f8ca3df - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x589b3f887433 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x589b3f887433 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x589b3f8931d2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x589b3f897caf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x589b3f897b41 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x589b3f8586fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x589b3f8586fe - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x589b3f8982bf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x589b3f8982bf - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x589b3f89811a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x589b3f893309 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x589b3f87bbfd - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x589b3f8d1bf0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x589b3f8d1356 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x589b3f834501 - core::result::Result<T,E>::unwrap::hab925751ed7a7ced
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x589b3f834501 - FFI::strings::tests::string_reversal_works::hdbd8f78800292f61
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:20:46
[INFO] [stdout]   22:     0x589b3f834b37 - FFI::strings::tests::string_reversal_works::{{closure}}::h8a23dd692b88c673
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:18:31
[INFO] [stdout]   23:     0x589b3f836616 - core::ops::function::FnOnce::call_once::h65a283b62249920e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x589b3f8584fb - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x589b3f8584fb - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x589b3f86c55d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x589b3f86c55d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x589b3f86c55d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x589b3f86c55d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x589b3f86c55d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x589b3f86c55d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x589b3f86c55d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x589b3f845aa4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x589b3f845aa4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x589b3f8492fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x589b3f8492fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x589b3f8492fa - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x589b3f8492fa - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x589b3f8492fa - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x589b3f8492fa - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x589b3f8492fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x589b3f88e70f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x589b3f88e70f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x7db0d912aaa4 - <unknown>
[INFO] [stdout]   45:     0x7db0d91b7a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- strings::tests::string_comparision_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'strings::tests::string_comparision_works' (19) panicked at src/strings/mod.rs:39:46:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DlOpen { desc: "./src/strings/strings.dylib: invalid ELF header" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x589b3f8b9962 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x589b3f8b9962 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x589b3f8b9962 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x589b3f8b9962 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x589b3f8ca3df - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x589b3f8ca3df - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x589b3f887433 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x589b3f887433 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x589b3f8931d2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x589b3f897caf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x589b3f897b41 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x589b3f8586fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x589b3f8586fe - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x589b3f8982bf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x589b3f8982bf - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x589b3f89811a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x589b3f893309 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x589b3f87bbfd - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x589b3f8d1bf0 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x589b3f8d1356 - core::result::unwrap_failed::he05762ef9e6bdf9c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1862:5
[INFO] [stdout]   20:     0x589b3f834c01 - core::result::Result<T,E>::unwrap::hab925751ed7a7ced
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x589b3f834c01 - FFI::strings::tests::string_comparision_works::h1486d69045351b34
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:39:46
[INFO] [stdout]   22:     0x589b3f836127 - FFI::strings::tests::string_comparision_works::{{closure}}::h37c478fd2ae8e929
[INFO] [stdout]                                at /opt/rustwide/workdir/src/strings/mod.rs:37:34
[INFO] [stdout]   23:     0x589b3f836656 - core::ops::function::FnOnce::call_once::h67b08f4c64a37b81
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x589b3f8584fb - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x589b3f8584fb - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x589b3f86c55d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x589b3f86c55d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x589b3f86c55d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x589b3f86c55d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x589b3f86c55d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x589b3f86c55d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x589b3f86c55d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x589b3f845aa4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x589b3f845aa4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x589b3f8492fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x589b3f8492fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x589b3f8492fa - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x589b3f8492fa - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x589b3f8492fa - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x589b3f8492fa - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x589b3f8492fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x589b3f88e70f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x589b3f88e70f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x7db0d912aaa4 - <unknown>
[INFO] [stdout]   45:     0x7db0d91b7a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     floats::tests::it_works
[INFO] [stdout]     ints::tests::it_works
[INFO] [stdout]     strings::tests::string_comparision_works
[INFO] [stdout]     strings::tests::string_reversal_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "a375739362c7632a445dee031a0b442d8d9891e81dc112d3d0442713b68729e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a375739362c7632a445dee031a0b442d8d9891e81dc112d3d0442713b68729e3", kill_on_drop: false }`
[INFO] [stdout] a375739362c7632a445dee031a0b442d8d9891e81dc112d3d0442713b68729e3
