[INFO] cloning repository https://github.com/lcnr/multilevel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lcnr/multilevel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fmultilevel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fmultilevel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf6ab5416cb7d4b210a127e145b5b0c2af906325
[INFO] testing lcnr/multilevel against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnr%2Fmultilevel" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lcnr/multilevel on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lcnr/multilevel
[INFO] finished tweaking git repo https://github.com/lcnr/multilevel
[INFO] tweaked toml for git repo https://github.com/lcnr/multilevel written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lcnr/multilevel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9666e6214cd1adf0bbbc4821f639020dfe763b106bc40b38facfc03f3202b7bf
[INFO] running `Command { std: "docker" "start" "-a" "9666e6214cd1adf0bbbc4821f639020dfe763b106bc40b38facfc03f3202b7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9666e6214cd1adf0bbbc4821f639020dfe763b106bc40b38facfc03f3202b7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9666e6214cd1adf0bbbc4821f639020dfe763b106bc40b38facfc03f3202b7bf", kill_on_drop: false }`
[INFO] [stdout] 9666e6214cd1adf0bbbc4821f639020dfe763b106bc40b38facfc03f3202b7bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16175cf4621e6349dd33a40fa4af20f75cf93b3690a26a15b787834ba5a70bf2
[INFO] running `Command { std: "docker" "start" "-a" "16175cf4621e6349dd33a40fa4af20f75cf93b3690a26a15b787834ba5a70bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling multilevel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "16175cf4621e6349dd33a40fa4af20f75cf93b3690a26a15b787834ba5a70bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16175cf4621e6349dd33a40fa4af20f75cf93b3690a26a15b787834ba5a70bf2", kill_on_drop: false }`
[INFO] [stdout] 16175cf4621e6349dd33a40fa4af20f75cf93b3690a26a15b787834ba5a70bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 914c4bac9efaff64eadf0eb4f3432257ce3e3c25d4548571d3a90b40a8faf7a7
[INFO] running `Command { std: "docker" "start" "-a" "914c4bac9efaff64eadf0eb4f3432257ce3e3c25d4548571d3a90b40a8faf7a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling multilevel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "914c4bac9efaff64eadf0eb4f3432257ce3e3c25d4548571d3a90b40a8faf7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914c4bac9efaff64eadf0eb4f3432257ce3e3c25d4548571d3a90b40a8faf7a7", kill_on_drop: false }`
[INFO] [stdout] 914c4bac9efaff64eadf0eb4f3432257ce3e3c25d4548571d3a90b40a8faf7a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be6622195af417661e93464e0d54e5aafb61e7e1d83ded7601960ef989dad3bb
[INFO] running `Command { std: "docker" "start" "-a" "be6622195af417661e93464e0d54e5aafb61e7e1d83ded7601960ef989dad3bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/multilevel-cc610a4dfabccb02)
[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" "be6622195af417661e93464e0d54e5aafb61e7e1d83ded7601960ef989dad3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6622195af417661e93464e0d54e5aafb61e7e1d83ded7601960ef989dad3bb", kill_on_drop: false }`
[INFO] [stdout] be6622195af417661e93464e0d54e5aafb61e7e1d83ded7601960ef989dad3bb