[INFO] cloning repository https://github.com/SiraphobS/palindromelab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SiraphobS/palindromelab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiraphobS%2Fpalindromelab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiraphobS%2Fpalindromelab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fac28dbe38a50898d9d1847d7001bc44865b5b0b
[INFO] testing SiraphobS/palindromelab against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiraphobS%2Fpalindromelab" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SiraphobS/palindromelab on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SiraphobS/palindromelab
[INFO] finished tweaking git repo https://github.com/SiraphobS/palindromelab
[INFO] tweaked toml for git repo https://github.com/SiraphobS/palindromelab written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/SiraphobS/palindromelab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e9b3d69f763e24aa47d73deb8e823db6cbac60725c87937f04c16133c732502
[INFO] running `Command { std: "docker" "start" "-a" "9e9b3d69f763e24aa47d73deb8e823db6cbac60725c87937f04c16133c732502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9b3d69f763e24aa47d73deb8e823db6cbac60725c87937f04c16133c732502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9b3d69f763e24aa47d73deb8e823db6cbac60725c87937f04c16133c732502", kill_on_drop: false }`
[INFO] [stdout] 9e9b3d69f763e24aa47d73deb8e823db6cbac60725c87937f04c16133c732502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4e4d60e76ac9ae0f08633d026c85195a2f74784c446eebd022ff838ee30a81
[INFO] running `Command { std: "docker" "start" "-a" "ec4e4d60e76ac9ae0f08633d026c85195a2f74784c446eebd022ff838ee30a81", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling palindrome_lap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "ec4e4d60e76ac9ae0f08633d026c85195a2f74784c446eebd022ff838ee30a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4e4d60e76ac9ae0f08633d026c85195a2f74784c446eebd022ff838ee30a81", kill_on_drop: false }`
[INFO] [stdout] ec4e4d60e76ac9ae0f08633d026c85195a2f74784c446eebd022ff838ee30a81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41dd11c66ea1763935a375f69e49e5fc29c739c83ede285bcab81f4f60404b17
[INFO] running `Command { std: "docker" "start" "-a" "41dd11c66ea1763935a375f69e49e5fc29c739c83ede285bcab81f4f60404b17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling palindrome_lap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "41dd11c66ea1763935a375f69e49e5fc29c739c83ede285bcab81f4f60404b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41dd11c66ea1763935a375f69e49e5fc29c739c83ede285bcab81f4f60404b17", kill_on_drop: false }`
[INFO] [stdout] 41dd11c66ea1763935a375f69e49e5fc29c739c83ede285bcab81f4f60404b17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acf73ebbcdc2128815bfc8135165a6ce50fbb563e376fed4c8ae4a34990fb6cd
[INFO] running `Command { std: "docker" "start" "-a" "acf73ebbcdc2128815bfc8135165a6ce50fbb563e376fed4c8ae4a34990fb6cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/palindrome_lap-af3f0426156e15df)
[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" "acf73ebbcdc2128815bfc8135165a6ce50fbb563e376fed4c8ae4a34990fb6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf73ebbcdc2128815bfc8135165a6ce50fbb563e376fed4c8ae4a34990fb6cd", kill_on_drop: false }`
[INFO] [stdout] acf73ebbcdc2128815bfc8135165a6ce50fbb563e376fed4c8ae4a34990fb6cd