[INFO] cloning repository https://github.com/andrewhu-uw/rust_rr_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewhu-uw/rust_rr_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhu-uw%2Frust_rr_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhu-uw%2Frust_rr_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95bf25fa34a28eb447808259ec5751ec93f65a11
[INFO] testing andrewhu-uw/rust_rr_test against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhu-uw%2Frust_rr_test" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewhu-uw/rust_rr_test on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewhu-uw/rust_rr_test
[INFO] finished tweaking git repo https://github.com/andrewhu-uw/rust_rr_test
[INFO] tweaked toml for git repo https://github.com/andrewhu-uw/rust_rr_test written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewhu-uw/rust_rr_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a722eb5db5d26ef808247b104be9f1569905324e3a35af9ba6ffab02bcfa41e6
[INFO] running `Command { std: "docker" "start" "-a" "a722eb5db5d26ef808247b104be9f1569905324e3a35af9ba6ffab02bcfa41e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a722eb5db5d26ef808247b104be9f1569905324e3a35af9ba6ffab02bcfa41e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a722eb5db5d26ef808247b104be9f1569905324e3a35af9ba6ffab02bcfa41e6", kill_on_drop: false }`
[INFO] [stdout] a722eb5db5d26ef808247b104be9f1569905324e3a35af9ba6ffab02bcfa41e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 248a2794cda828e9873959bd50cc5225a4f160efa32a294de4cba99b95e785d0
[INFO] running `Command { std: "docker" "start" "-a" "248a2794cda828e9873959bd50cc5225a4f160efa32a294de4cba99b95e785d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffi-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 7 | / pub struct StringListContainer {
[INFO] [stdout] 8 | |   mContainer : Vec<String>
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 |   #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 13 | / pub enum SLCArgs {
[INFO] [stdout] 14 | |   Add(*const c_char), // borrowed
[INFO] [stdout] 15 | |   Count,
[INFO] [stdout] 16 | |   Print,
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_- not a free function, impl method or static
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slc`
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   let slc = &*slc_p;
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_slc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/lib.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `mContainer` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   mContainer : Vec<String>
[INFO] [stdout]   |   ^^^^^^^^^^ help: convert the identifier to snake case: `m_container`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Add` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn Add(&mut self, s : String) -> &mut StringListContainer {
[INFO] [stdout]    |      ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Count` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 |   fn Count(&self) -> usize {
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to snake case (notice the capitalization): `count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `StringListContainer_do` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub unsafe extern "Rust" fn StringListContainer_do(slc_p : *mut StringListContainer, m : SLCArgs) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_list_container_do`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "248a2794cda828e9873959bd50cc5225a4f160efa32a294de4cba99b95e785d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248a2794cda828e9873959bd50cc5225a4f160efa32a294de4cba99b95e785d0", kill_on_drop: false }`
[INFO] [stdout] 248a2794cda828e9873959bd50cc5225a4f160efa32a294de4cba99b95e785d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a89b7210dfac31a5be02d25b359ea761dbf0d00776ce85df04dd28c92dfe58db
[INFO] running `Command { std: "docker" "start" "-a" "a89b7210dfac31a5be02d25b359ea761dbf0d00776ce85df04dd28c92dfe58db", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffi-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 |   #[no_mangle]
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout] 7 | / pub struct StringListContainer {
[INFO] [stdout] 8 | |   mContainer : Vec<String>
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- not a free function, impl method or static
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 |   #[no_mangle]
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 13 | / pub enum SLCArgs {
[INFO] [stdout] 14 | |   Add(*const c_char), // borrowed
[INFO] [stdout] 15 | |   Count,
[INFO] [stdout] 16 | |   Print,
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_- not a free function, impl method or static
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slc`
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   let slc = &*slc_p;
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_slc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `mContainer` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   mContainer : Vec<String>
[INFO] [stdout]   |   ^^^^^^^^^^ help: convert the identifier to snake case: `m_container`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Add` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn Add(&mut self, s : String) -> &mut StringListContainer {
[INFO] [stdout]    |      ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Count` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 |   fn Count(&self) -> usize {
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to snake case (notice the capitalization): `count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `StringListContainer_do` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub unsafe extern "Rust" fn StringListContainer_do(slc_p : *mut StringListContainer, m : SLCArgs) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_list_container_do`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a89b7210dfac31a5be02d25b359ea761dbf0d00776ce85df04dd28c92dfe58db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89b7210dfac31a5be02d25b359ea761dbf0d00776ce85df04dd28c92dfe58db", kill_on_drop: false }`
[INFO] [stdout] a89b7210dfac31a5be02d25b359ea761dbf0d00776ce85df04dd28c92dfe58db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa9e28b3e0b3444745a5fe08e346a0b05e8b865cf6f9200fbc5483bbcca96a3c
[INFO] running `Command { std: "docker" "start" "-a" "aa9e28b3e0b3444745a5fe08e346a0b05e8b865cf6f9200fbc5483bbcca96a3c", kill_on_drop: false }`
[INFO] [stderr] warning: attribute should be applied to a free function, impl method or static
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 |   #[no_mangle]
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr] 7 | / pub struct StringListContainer {
[INFO] [stderr] 8 | |   mContainer : Vec<String>
[INFO] [stderr] 9 | | }
[INFO] [stderr]   | |_- not a free function, impl method or static
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[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] 
[INFO] [stderr] warning: attribute should be applied to a free function, impl method or static
[INFO] [stderr]   --> src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 |   #[no_mangle]
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 13 | / pub enum SLCArgs {
[INFO] [stderr] 14 | |   Add(*const c_char), // borrowed
[INFO] [stderr] 15 | |   Count,
[INFO] [stderr] 16 | |   Print,
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_- not a free function, impl method or static
[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] 
[INFO] [stderr] warning: unused variable: `slc`
[INFO] [stderr]   --> src/lib.rs:69:7
[INFO] [stderr]    |
[INFO] [stderr] 69 |   let slc = &*slc_p;
[INFO] [stderr]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_slc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `mContainer` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   mContainer : Vec<String>
[INFO] [stderr]   |   ^^^^^^^^^^ help: convert the identifier to snake case: `m_container`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `Add` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 |   fn Add(&mut self, s : String) -> &mut StringListContainer {
[INFO] [stderr]    |      ^^^ help: convert the identifier to snake case: `add`
[INFO] [stderr] 
[INFO] [stderr] warning: method `Count` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:29:6
[INFO] [stderr]    |
[INFO] [stderr] 29 |   fn Count(&self) -> usize {
[INFO] [stderr]    |      ^^^^^ help: convert the identifier to snake case (notice the capitalization): `count`
[INFO] [stderr] 
[INFO] [stderr] warning: function `StringListContainer_do` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub unsafe extern "Rust" fn StringListContainer_do(slc_p : *mut StringListContainer, m : SLCArgs) {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `string_list_container_do`
[INFO] [stderr] 
[INFO] [stderr] warning: `ffi-test` (lib test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_rr_test-43897a239af629d7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa9e28b3e0b3444745a5fe08e346a0b05e8b865cf6f9200fbc5483bbcca96a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa9e28b3e0b3444745a5fe08e346a0b05e8b865cf6f9200fbc5483bbcca96a3c", kill_on_drop: false }`
[INFO] [stdout] aa9e28b3e0b3444745a5fe08e346a0b05e8b865cf6f9200fbc5483bbcca96a3c