[INFO] cloning repository https://github.com/jit-y/introduction-to-algorithms-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jit-y/introduction-to-algorithms-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fintroduction-to-algorithms-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fintroduction-to-algorithms-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 647f9fbee9ca3cca93a95e98c375c6ea7bc2992e
[INFO] testing jit-y/introduction-to-algorithms-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fintroduction-to-algorithms-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jit-y/introduction-to-algorithms-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jit-y/introduction-to-algorithms-rs
[INFO] finished tweaking git repo https://github.com/jit-y/introduction-to-algorithms-rs
[INFO] tweaked toml for git repo https://github.com/jit-y/introduction-to-algorithms-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jit-y/introduction-to-algorithms-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d89cd1c531193f90620a05eb604c261bf65e9bdb5f38096a3a1fd2a675c945e
[INFO] running `Command { std: "docker" "start" "-a" "8d89cd1c531193f90620a05eb604c261bf65e9bdb5f38096a3a1fd2a675c945e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d89cd1c531193f90620a05eb604c261bf65e9bdb5f38096a3a1fd2a675c945e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d89cd1c531193f90620a05eb604c261bf65e9bdb5f38096a3a1fd2a675c945e", kill_on_drop: false }`
[INFO] [stdout] 8d89cd1c531193f90620a05eb604c261bf65e9bdb5f38096a3a1fd2a675c945e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96fdcb424d72dd4e9f4b244f470573db73f846db5f84698f24a7fd90de6f3983
[INFO] running `Command { std: "docker" "start" "-a" "96fdcb424d72dd4e9f4b244f470573db73f846db5f84698f24a7fd90de6f3983", kill_on_drop: false }`
[INFO] [stderr]    Compiling introduction-to-algorithms-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `insertion`
[INFO] [stdout]  --> src/sorts.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn insertion(a: &mut Vec<i32>) {
[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 1.21s
[INFO] running `Command { std: "docker" "inspect" "96fdcb424d72dd4e9f4b244f470573db73f846db5f84698f24a7fd90de6f3983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fdcb424d72dd4e9f4b244f470573db73f846db5f84698f24a7fd90de6f3983", kill_on_drop: false }`
[INFO] [stdout] 96fdcb424d72dd4e9f4b244f470573db73f846db5f84698f24a7fd90de6f3983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0347bff3d7bfcca32ddbefe788c0f0734e194c3f986a343e2eb7d9285e1585c0
[INFO] running `Command { std: "docker" "start" "-a" "0347bff3d7bfcca32ddbefe788c0f0734e194c3f986a343e2eb7d9285e1585c0", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `insertion`
[INFO] [stdout]  --> src/sorts.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn insertion(a: &mut Vec<i32>) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling introduction-to-algorithms-rs 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 0.35s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/introduction_to_algorithms_rs-148fadb3574f1fc9)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/introduction_to_algorithms_rs-f5b771e5de86dd7d)
[INFO] running `Command { std: "docker" "inspect" "0347bff3d7bfcca32ddbefe788c0f0734e194c3f986a343e2eb7d9285e1585c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0347bff3d7bfcca32ddbefe788c0f0734e194c3f986a343e2eb7d9285e1585c0", kill_on_drop: false }`
[INFO] [stdout] 0347bff3d7bfcca32ddbefe788c0f0734e194c3f986a343e2eb7d9285e1585c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1dfbf76799ec0b468476747292633527474f0620d7c1be0aa61958b85cee17f5
[INFO] running `Command { std: "docker" "start" "-a" "1dfbf76799ec0b468476747292633527474f0620d7c1be0aa61958b85cee17f5", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `insertion`
[INFO] [stderr]  --> src/sorts.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn insertion(a: &mut Vec<i32>) {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `introduction-to-algorithms-rs` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/introduction_to_algorithms_rs-148fadb3574f1fc9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sorts::test::test_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/introduction_to_algorithms_rs-f5b771e5de86dd7d)
[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] [stderr]    Doc-tests introduction-to-algorithms-rs
[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" "1dfbf76799ec0b468476747292633527474f0620d7c1be0aa61958b85cee17f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dfbf76799ec0b468476747292633527474f0620d7c1be0aa61958b85cee17f5", kill_on_drop: false }`
[INFO] [stdout] 1dfbf76799ec0b468476747292633527474f0620d7c1be0aa61958b85cee17f5