[INFO] cloning repository https://github.com/arkgast/algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arkgast/algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farkgast%2Falgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farkgast%2Falgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 718d485ca03229d1f297ad8645b316886d7bb61e
[INFO] testing arkgast/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%2Farkgast%2Falgorithms" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arkgast/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/arkgast/algorithms
[INFO] finished tweaking git repo https://github.com/arkgast/algorithms
[INFO] tweaked toml for git repo https://github.com/arkgast/algorithms written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/arkgast/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] e3d90fa0072cd02598411d1d930fc5b7726cc401de5052a532243215a6a0f618
[INFO] running `Command { std: "docker" "start" "-a" "e3d90fa0072cd02598411d1d930fc5b7726cc401de5052a532243215a6a0f618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3d90fa0072cd02598411d1d930fc5b7726cc401de5052a532243215a6a0f618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d90fa0072cd02598411d1d930fc5b7726cc401de5052a532243215a6a0f618", kill_on_drop: false }`
[INFO] [stdout] e3d90fa0072cd02598411d1d930fc5b7726cc401de5052a532243215a6a0f618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] f66dfbfb02b2e9d22969062afefa3f59b1562928a8edbda626bc6f909deddf2c
[INFO] running `Command { std: "docker" "start" "-a" "f66dfbfb02b2e9d22969062afefa3f59b1562928a8edbda626bc6f909deddf2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling standard-input v0.1.0 (/opt/rustwide/workdir/shared/standard-input)
[INFO] [stderr]    Compiling binary-search v0.1.0 (/opt/rustwide/workdir/binary-search)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "f66dfbfb02b2e9d22969062afefa3f59b1562928a8edbda626bc6f909deddf2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f66dfbfb02b2e9d22969062afefa3f59b1562928a8edbda626bc6f909deddf2c", kill_on_drop: false }`
[INFO] [stdout] f66dfbfb02b2e9d22969062afefa3f59b1562928a8edbda626bc6f909deddf2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 1c1c2280fbb9252083d52c03ca5eebb67ebcb3997bd6731237734c1b886baf1f
[INFO] running `Command { std: "docker" "start" "-a" "1c1c2280fbb9252083d52c03ca5eebb67ebcb3997bd6731237734c1b886baf1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling standard-input v0.1.0 (/opt/rustwide/workdir/shared/standard-input)
[INFO] [stderr]    Compiling binary-search v0.1.0 (/opt/rustwide/workdir/binary-search)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "1c1c2280fbb9252083d52c03ca5eebb67ebcb3997bd6731237734c1b886baf1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1c2280fbb9252083d52c03ca5eebb67ebcb3997bd6731237734c1b886baf1f", kill_on_drop: false }`
[INFO] [stdout] 1c1c2280fbb9252083d52c03ca5eebb67ebcb3997bd6731237734c1b886baf1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 1c745ef173a90563dfa71bbcd76677c2df3898ea9bbb6401caf2b03c8b7c747b
[INFO] running `Command { std: "docker" "start" "-a" "1c745ef173a90563dfa71bbcd76677c2df3898ea9bbb6401caf2b03c8b7c747b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_search-000c670b0902ede1)
[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]      Running unittests (/opt/rustwide/target/debug/deps/standard_input-fb0f9d758ad9fe4a)
[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 standard-input
[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" "1c745ef173a90563dfa71bbcd76677c2df3898ea9bbb6401caf2b03c8b7c747b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c745ef173a90563dfa71bbcd76677c2df3898ea9bbb6401caf2b03c8b7c747b", kill_on_drop: false }`
[INFO] [stdout] 1c745ef173a90563dfa71bbcd76677c2df3898ea9bbb6401caf2b03c8b7c747b