[INFO] cloning repository https://github.com/TimCulleton/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimCulleton/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimCulleton%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimCulleton%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83bd3a53982125bcafc68bd246d0d0d47b5c4223
[INFO] testing TimCulleton/rust-playground against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimCulleton%2Frust-playground" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TimCulleton/rust-playground on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TimCulleton/rust-playground
[INFO] finished tweaking git repo https://github.com/TimCulleton/rust-playground
[INFO] tweaked toml for git repo https://github.com/TimCulleton/rust-playground written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/TimCulleton/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b919dfc5709a604589f40005a4aeb4ef1d58e50d925b75b57a5f1e2b690aaa2
[INFO] running `Command { std: "docker" "start" "-a" "8b919dfc5709a604589f40005a4aeb4ef1d58e50d925b75b57a5f1e2b690aaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b919dfc5709a604589f40005a4aeb4ef1d58e50d925b75b57a5f1e2b690aaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b919dfc5709a604589f40005a4aeb4ef1d58e50d925b75b57a5f1e2b690aaa2", kill_on_drop: false }`
[INFO] [stdout] 8b919dfc5709a604589f40005a4aeb4ef1d58e50d925b75b57a5f1e2b690aaa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 201dcbdfb80f781d04864948981ac61acd2db33f04ff418189993aa1136bf8d8
[INFO] running `Command { std: "docker" "start" "-a" "201dcbdfb80f781d04864948981ac61acd2db33f04ff418189993aa1136bf8d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "201dcbdfb80f781d04864948981ac61acd2db33f04ff418189993aa1136bf8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201dcbdfb80f781d04864948981ac61acd2db33f04ff418189993aa1136bf8d8", kill_on_drop: false }`
[INFO] [stdout] 201dcbdfb80f781d04864948981ac61acd2db33f04ff418189993aa1136bf8d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd0d5149148d67d9defa91bf845639dc84e7753201d7d741d112aca4e2bfbb63
[INFO] running `Command { std: "docker" "start" "-a" "bd0d5149148d67d9defa91bf845639dc84e7753201d7d741d112aca4e2bfbb63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "bd0d5149148d67d9defa91bf845639dc84e7753201d7d741d112aca4e2bfbb63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0d5149148d67d9defa91bf845639dc84e7753201d7d741d112aca4e2bfbb63", kill_on_drop: false }`
[INFO] [stdout] bd0d5149148d67d9defa91bf845639dc84e7753201d7d741d112aca4e2bfbb63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88f0971723c19110b2bf3d86a8add6dbbb3a66e0c482a2d2a4865619032d36b9
[INFO] running `Command { std: "docker" "start" "-a" "88f0971723c19110b2bf3d86a8add6dbbb3a66e0c482a2d2a4865619032d36b9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-b28ce99b7fb6acf4)
[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" "88f0971723c19110b2bf3d86a8add6dbbb3a66e0c482a2d2a4865619032d36b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f0971723c19110b2bf3d86a8add6dbbb3a66e0c482a2d2a4865619032d36b9", kill_on_drop: false }`
[INFO] [stdout] 88f0971723c19110b2bf3d86a8add6dbbb3a66e0c482a2d2a4865619032d36b9