[INFO] cloning repository https://github.com/yuchunzhou/caesar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuchunzhou/caesar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuchunzhou%2Fcaesar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuchunzhou%2Fcaesar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a21fcb15a01cc6aabbf768ba4156746cb5e7575
[INFO] testing yuchunzhou/caesar against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuchunzhou%2Fcaesar" "/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/yuchunzhou/caesar 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/yuchunzhou/caesar
[INFO] finished tweaking git repo https://github.com/yuchunzhou/caesar
[INFO] tweaked toml for git repo https://github.com/yuchunzhou/caesar written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/yuchunzhou/caesar 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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47b2ff3e810bcbf637a588a5de2734a0400cb29f3087105f711250ed471f25b7
[INFO] running `Command { std: "docker" "start" "-a" "47b2ff3e810bcbf637a588a5de2734a0400cb29f3087105f711250ed471f25b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47b2ff3e810bcbf637a588a5de2734a0400cb29f3087105f711250ed471f25b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b2ff3e810bcbf637a588a5de2734a0400cb29f3087105f711250ed471f25b7", kill_on_drop: false }`
[INFO] [stdout] 47b2ff3e810bcbf637a588a5de2734a0400cb29f3087105f711250ed471f25b7
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 406ba0872a05ae1c5e38864bc51286b54a1344c8b2d0430015974644b4561854
[INFO] running `Command { std: "docker" "start" "-a" "406ba0872a05ae1c5e38864bc51286b54a1344c8b2d0430015974644b4561854", kill_on_drop: false }`
[INFO] [stderr]    Compiling caesar_cipher v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "406ba0872a05ae1c5e38864bc51286b54a1344c8b2d0430015974644b4561854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406ba0872a05ae1c5e38864bc51286b54a1344c8b2d0430015974644b4561854", kill_on_drop: false }`
[INFO] [stdout] 406ba0872a05ae1c5e38864bc51286b54a1344c8b2d0430015974644b4561854
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8862b0ffb178d65ce4bd7cb19eb9ea74bc482bc18ed071f6b9e92d52b2babc94
[INFO] running `Command { std: "docker" "start" "-a" "8862b0ffb178d65ce4bd7cb19eb9ea74bc482bc18ed071f6b9e92d52b2babc94", kill_on_drop: false }`
[INFO] [stderr]    Compiling caesar_cipher v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "8862b0ffb178d65ce4bd7cb19eb9ea74bc482bc18ed071f6b9e92d52b2babc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8862b0ffb178d65ce4bd7cb19eb9ea74bc482bc18ed071f6b9e92d52b2babc94", kill_on_drop: false }`
[INFO] [stdout] 8862b0ffb178d65ce4bd7cb19eb9ea74bc482bc18ed071f6b9e92d52b2babc94
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc6071ed10d007c0b0ed0d37e6a6cfff4099cf8048eba7fb07749efe4273be34
[INFO] running `Command { std: "docker" "start" "-a" "bc6071ed10d007c0b0ed0d37e6a6cfff4099cf8048eba7fb07749efe4273be34", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/caesar_cipher-b1390321a18c6ac8)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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]    Doc-tests caesar_cipher
[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" "bc6071ed10d007c0b0ed0d37e6a6cfff4099cf8048eba7fb07749efe4273be34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6071ed10d007c0b0ed0d37e6a6cfff4099cf8048eba7fb07749efe4273be34", kill_on_drop: false }`
[INFO] [stdout] bc6071ed10d007c0b0ed0d37e6a6cfff4099cf8048eba7fb07749efe4273be34