[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 beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewhu-uw%2Frust_rr_test" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewhu-uw/rust_rr_test on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-23/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" "+beta-2021-09-08" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32ccce1f8c46a80bfe97c04da149dc160d3b27d65096bb96f404b8c044f5e32e
[INFO] running `Command { std: "docker" "start" "-a" "32ccce1f8c46a80bfe97c04da149dc160d3b27d65096bb96f404b8c044f5e32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ccce1f8c46a80bfe97c04da149dc160d3b27d65096bb96f404b8c044f5e32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ccce1f8c46a80bfe97c04da149dc160d3b27d65096bb96f404b8c044f5e32e", kill_on_drop: false }`
[INFO] [stdout] 32ccce1f8c46a80bfe97c04da149dc160d3b27d65096bb96f404b8c044f5e32e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad462b208ff56bb444946d2d02ec715b5bc6dfe7141f5865a31b84dea9f8ee22
[INFO] running `Command { std: "docker" "start" "-a" "ad462b208ff56bb444946d2d02ec715b5bc6dfe7141f5865a31b84dea9f8ee22", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 3.11s
[INFO] running `Command { std: "docker" "inspect" "ad462b208ff56bb444946d2d02ec715b5bc6dfe7141f5865a31b84dea9f8ee22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad462b208ff56bb444946d2d02ec715b5bc6dfe7141f5865a31b84dea9f8ee22", kill_on_drop: false }`
[INFO] [stdout] ad462b208ff56bb444946d2d02ec715b5bc6dfe7141f5865a31b84dea9f8ee22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dc551c4e7224007154db62d0c8e1c1527280f8bb3b68aa462171a92d9cae5ed
[INFO] running `Command { std: "docker" "start" "-a" "9dc551c4e7224007154db62d0c8e1c1527280f8bb3b68aa462171a92d9cae5ed", 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 0.52s
[INFO] running `Command { std: "docker" "inspect" "9dc551c4e7224007154db62d0c8e1c1527280f8bb3b68aa462171a92d9cae5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc551c4e7224007154db62d0c8e1c1527280f8bb3b68aa462171a92d9cae5ed", kill_on_drop: false }`
[INFO] [stdout] 9dc551c4e7224007154db62d0c8e1c1527280f8bb3b68aa462171a92d9cae5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7fcdf2e774b7e72618f1acc3ee176d7b434c05923c5ecf38b844023f2ce8c2e
[INFO] running `Command { std: "docker" "start" "-a" "a7fcdf2e774b7e72618f1acc3ee176d7b434c05923c5ecf38b844023f2ce8c2e", 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 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_rr_test-6303d3c7966712de)
[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" "a7fcdf2e774b7e72618f1acc3ee176d7b434c05923c5ecf38b844023f2ce8c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fcdf2e774b7e72618f1acc3ee176d7b434c05923c5ecf38b844023f2ce8c2e", kill_on_drop: false }`
[INFO] [stdout] a7fcdf2e774b7e72618f1acc3ee176d7b434c05923c5ecf38b844023f2ce8c2e