[INFO] cloning repository https://github.com/troykershaw/clrs-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/troykershaw/clrs-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftroykershaw%2Fclrs-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftroykershaw%2Fclrs-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e9f4b48d8b77aa68c14d890ae4f269fab2e35a9
[INFO] testing troykershaw/clrs-rust 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%2Ftroykershaw%2Fclrs-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/troykershaw/clrs-rust 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/troykershaw/clrs-rust
[INFO] finished tweaking git repo https://github.com/troykershaw/clrs-rust
[INFO] tweaked toml for git repo https://github.com/troykershaw/clrs-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/troykershaw/clrs-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 261cc97045eb43705b995c3992f3f6d3175a41953a35b2f61fe4ec9a53184bb7
[INFO] running `Command { std: "docker" "start" "-a" "261cc97045eb43705b995c3992f3f6d3175a41953a35b2f61fe4ec9a53184bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261cc97045eb43705b995c3992f3f6d3175a41953a35b2f61fe4ec9a53184bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261cc97045eb43705b995c3992f3f6d3175a41953a35b2f61fe4ec9a53184bb7", kill_on_drop: false }`
[INFO] [stdout] 261cc97045eb43705b995c3992f3f6d3175a41953a35b2f61fe4ec9a53184bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5def2cee4c7914244f1a4b5f0aa17f358ab8f97822dc2223c72b0a8f991e52b5
[INFO] running `Command { std: "docker" "start" "-a" "5def2cee4c7914244f1a4b5f0aa17f358ab8f97822dc2223c72b0a8f991e52b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling clrs-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `insertion_sort_with_copy`
[INFO] [stdout]   --> src/insertion_sort.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn insertion_sort_with_copy<T: PartialOrd + Copy>(a: &mut [T]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "5def2cee4c7914244f1a4b5f0aa17f358ab8f97822dc2223c72b0a8f991e52b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5def2cee4c7914244f1a4b5f0aa17f358ab8f97822dc2223c72b0a8f991e52b5", kill_on_drop: false }`
[INFO] [stdout] 5def2cee4c7914244f1a4b5f0aa17f358ab8f97822dc2223c72b0a8f991e52b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0e9774377e795ee5c017bbe627c6fd1c1579dfeb156f60d7d7319110ca0481d4
[INFO] running `Command { std: "docker" "start" "-a" "0e9774377e795ee5c017bbe627c6fd1c1579dfeb156f60d7d7319110ca0481d4", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `insertion_sort_with_copy`
[INFO] [stdout]   --> src/insertion_sort.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn insertion_sort_with_copy<T: PartialOrd + Copy>(a: &mut [T]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clrs-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "0e9774377e795ee5c017bbe627c6fd1c1579dfeb156f60d7d7319110ca0481d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9774377e795ee5c017bbe627c6fd1c1579dfeb156f60d7d7319110ca0481d4", kill_on_drop: false }`
[INFO] [stdout] 0e9774377e795ee5c017bbe627c6fd1c1579dfeb156f60d7d7319110ca0481d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3e3b2f95783cda88d4581baed761f702808d5fa3ada450964fddbd385a64ba69
[INFO] running `Command { std: "docker" "start" "-a" "3e3b2f95783cda88d4581baed761f702808d5fa3ada450964fddbd385a64ba69", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `insertion_sort_with_copy`
[INFO] [stderr]   --> src/insertion_sort.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn insertion_sort_with_copy<T: PartialOrd + Copy>(a: &mut [T]) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `clrs-rust` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/clrs_rust-6667ff384b608b88)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test insertion_sort::test_insertion_sort ... ok
[INFO] [stdout] test insertion_sort::ext ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test insertion_sort::with_copy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clrs-rust
[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" "3e3b2f95783cda88d4581baed761f702808d5fa3ada450964fddbd385a64ba69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3b2f95783cda88d4581baed761f702808d5fa3ada450964fddbd385a64ba69", kill_on_drop: false }`
[INFO] [stdout] 3e3b2f95783cda88d4581baed761f702808d5fa3ada450964fddbd385a64ba69