[INFO] cloning repository https://github.com/murphym18/rust-reverse-string
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murphym18/rust-reverse-string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurphym18%2Frust-reverse-string", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurphym18%2Frust-reverse-string'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b0717d7f8acbf828748558023cf782ffd58dadb
[INFO] testing murphym18/rust-reverse-string 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%2Fmurphym18%2Frust-reverse-string" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/murphym18/rust-reverse-string 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/murphym18/rust-reverse-string
[INFO] finished tweaking git repo https://github.com/murphym18/rust-reverse-string
[INFO] tweaked toml for git repo https://github.com/murphym18/rust-reverse-string written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/murphym18/rust-reverse-string 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 85d1ea20ae2577c317b7112c9278455c9819e6a1e72682ebb9a074c6910ce587
[INFO] running `Command { std: "docker" "start" "-a" "85d1ea20ae2577c317b7112c9278455c9819e6a1e72682ebb9a074c6910ce587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d1ea20ae2577c317b7112c9278455c9819e6a1e72682ebb9a074c6910ce587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d1ea20ae2577c317b7112c9278455c9819e6a1e72682ebb9a074c6910ce587", kill_on_drop: false }`
[INFO] [stdout] 85d1ea20ae2577c317b7112c9278455c9819e6a1e72682ebb9a074c6910ce587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8818a53cdf196bff5ef86c14e1ea4788f94afad2496383b4298455eb10750067
[INFO] running `Command { std: "docker" "start" "-a" "8818a53cdf196bff5ef86c14e1ea4788f94afad2496383b4298455eb10750067", kill_on_drop: false }`
[INFO] [stderr]    Compiling reverse_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8818a53cdf196bff5ef86c14e1ea4788f94afad2496383b4298455eb10750067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8818a53cdf196bff5ef86c14e1ea4788f94afad2496383b4298455eb10750067", kill_on_drop: false }`
[INFO] [stdout] 8818a53cdf196bff5ef86c14e1ea4788f94afad2496383b4298455eb10750067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5a21429dad706fff6f0367eba1ef8b2ad0347e7b4c12f6c63aa31c3469eefb0a
[INFO] running `Command { std: "docker" "start" "-a" "5a21429dad706fff6f0367eba1ef8b2ad0347e7b4c12f6c63aa31c3469eefb0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling reverse_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "5a21429dad706fff6f0367eba1ef8b2ad0347e7b4c12f6c63aa31c3469eefb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a21429dad706fff6f0367eba1ef8b2ad0347e7b4c12f6c63aa31c3469eefb0a", kill_on_drop: false }`
[INFO] [stdout] 5a21429dad706fff6f0367eba1ef8b2ad0347e7b4c12f6c63aa31c3469eefb0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 007dc27c1c8835bfec04f81ab8d14ef51af1a54300332d089233f630a80f350a
[INFO] running `Command { std: "docker" "start" "-a" "007dc27c1c8835bfec04f81ab8d14ef51af1a54300332d089233f630a80f350a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reverse_string-d773ae068444c20c)
[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" "007dc27c1c8835bfec04f81ab8d14ef51af1a54300332d089233f630a80f350a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007dc27c1c8835bfec04f81ab8d14ef51af1a54300332d089233f630a80f350a", kill_on_drop: false }`
[INFO] [stdout] 007dc27c1c8835bfec04f81ab8d14ef51af1a54300332d089233f630a80f350a