[INFO] cloning repository https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Fclassical_and_advanced_data_structures_and_algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Fclassical_and_advanced_data_structures_and_algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dacc7b654670b3f41bac6c2b72fba446960caf38
[INFO] testing leviathan88/classical_and_advanced_data_structures_and_algorithms against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Fclassical_and_advanced_data_structures_and_algorithms" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms
[INFO] finished tweaking git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms
[INFO] tweaked toml for git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d246966d518d5273e88dea498ff489545c2762845d1f22329f2c73f504b8f3dc
[INFO] running `Command { std: "docker" "start" "-a" "d246966d518d5273e88dea498ff489545c2762845d1f22329f2c73f504b8f3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d246966d518d5273e88dea498ff489545c2762845d1f22329f2c73f504b8f3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d246966d518d5273e88dea498ff489545c2762845d1f22329f2c73f504b8f3dc", kill_on_drop: false }`
[INFO] [stdout] d246966d518d5273e88dea498ff489545c2762845d1f22329f2c73f504b8f3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c5b5258cd04a35e941cb9661f0efa1900981b3baca077a2db68cf3965f25b53
[INFO] running `Command { std: "docker" "start" "-a" "5c5b5258cd04a35e941cb9661f0efa1900981b3baca077a2db68cf3965f25b53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling classical_and_advanced_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "5c5b5258cd04a35e941cb9661f0efa1900981b3baca077a2db68cf3965f25b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5b5258cd04a35e941cb9661f0efa1900981b3baca077a2db68cf3965f25b53", kill_on_drop: false }`
[INFO] [stdout] 5c5b5258cd04a35e941cb9661f0efa1900981b3baca077a2db68cf3965f25b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63f3e742d9483626b2335d77683cb8e514ae1f0034cd50a97bb02944b0a2d8e2
[INFO] running `Command { std: "docker" "start" "-a" "63f3e742d9483626b2335d77683cb8e514ae1f0034cd50a97bb02944b0a2d8e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling classical_and_advanced_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "63f3e742d9483626b2335d77683cb8e514ae1f0034cd50a97bb02944b0a2d8e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f3e742d9483626b2335d77683cb8e514ae1f0034cd50a97bb02944b0a2d8e2", kill_on_drop: false }`
[INFO] [stdout] 63f3e742d9483626b2335d77683cb8e514ae1f0034cd50a97bb02944b0a2d8e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f03ff8271d7082bc9856bb576467abe83662aa884f892c2e275cf76328d9bc3f
[INFO] running `Command { std: "docker" "start" "-a" "f03ff8271d7082bc9856bb576467abe83662aa884f892c2e275cf76328d9bc3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/classical_and_advanced_algorithms-20ff1202dca16e64)
[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" "f03ff8271d7082bc9856bb576467abe83662aa884f892c2e275cf76328d9bc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03ff8271d7082bc9856bb576467abe83662aa884f892c2e275cf76328d9bc3f", kill_on_drop: false }`
[INFO] [stdout] f03ff8271d7082bc9856bb576467abe83662aa884f892c2e275cf76328d9bc3f