[INFO] cloning repository https://github.com/NikhilArroju/rust_one
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NikhilArroju/rust_one" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikhilArroju%2Frust_one", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikhilArroju%2Frust_one'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43ade0408eb2a443d8a767ee9b159c0cb59879c1
[INFO] testing NikhilArroju/rust_one against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNikhilArroju%2Frust_one" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NikhilArroju/rust_one 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/NikhilArroju/rust_one
[INFO] finished tweaking git repo https://github.com/NikhilArroju/rust_one
[INFO] tweaked toml for git repo https://github.com/NikhilArroju/rust_one written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/NikhilArroju/rust_one 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] [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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 3ca579a50ae3a1281f8ee46bfbb45096d1159314ba9acbfb7fb9a862a987932f
[INFO] running `Command { std: "docker" "start" "-a" "3ca579a50ae3a1281f8ee46bfbb45096d1159314ba9acbfb7fb9a862a987932f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ca579a50ae3a1281f8ee46bfbb45096d1159314ba9acbfb7fb9a862a987932f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca579a50ae3a1281f8ee46bfbb45096d1159314ba9acbfb7fb9a862a987932f", kill_on_drop: false }`
[INFO] [stdout] 3ca579a50ae3a1281f8ee46bfbb45096d1159314ba9acbfb7fb9a862a987932f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] d46005ca2453142e54c586cd8a6b75844f33fb5030d4dcab6fb3e1f2dd62880b
[INFO] running `Command { std: "docker" "start" "-a" "d46005ca2453142e54c586cd8a6b75844f33fb5030d4dcab6fb3e1f2dd62880b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.60s
[INFO] running `Command { std: "docker" "inspect" "d46005ca2453142e54c586cd8a6b75844f33fb5030d4dcab6fb3e1f2dd62880b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46005ca2453142e54c586cd8a6b75844f33fb5030d4dcab6fb3e1f2dd62880b", kill_on_drop: false }`
[INFO] [stdout] d46005ca2453142e54c586cd8a6b75844f33fb5030d4dcab6fb3e1f2dd62880b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 16738889ab3448851b9908b5f262c09975a43f898c47fe6eed440fd6d1c13e17
[INFO] running `Command { std: "docker" "start" "-a" "16738889ab3448851b9908b5f262c09975a43f898c47fe6eed440fd6d1c13e17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "16738889ab3448851b9908b5f262c09975a43f898c47fe6eed440fd6d1c13e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16738889ab3448851b9908b5f262c09975a43f898c47fe6eed440fd6d1c13e17", kill_on_drop: false }`
[INFO] [stdout] 16738889ab3448851b9908b5f262c09975a43f898c47fe6eed440fd6d1c13e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] a47c5237fa83ee04a36662ed6ee9bea75065c4fc70dce335ef712e1d1d69dd5e
[INFO] running `Command { std: "docker" "start" "-a" "a47c5237fa83ee04a36662ed6ee9bea75065c4fc70dce335ef712e1d1d69dd5e", 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_one-a7b46573f0d1da95)
[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" "a47c5237fa83ee04a36662ed6ee9bea75065c4fc70dce335ef712e1d1d69dd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47c5237fa83ee04a36662ed6ee9bea75065c4fc70dce335ef712e1d1d69dd5e", kill_on_drop: false }`
[INFO] [stdout] a47c5237fa83ee04a36662ed6ee9bea75065c4fc70dce335ef712e1d1d69dd5e