[INFO] cloning repository https://github.com/twbarber/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twbarber/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwbarber%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwbarber%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a616f11cdb9c02cf64ba63dc5cdabc297c0dd1c
[INFO] testing twbarber/hello-rust 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%2Ftwbarber%2Fhello-rust" "/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/twbarber/hello-rust 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/twbarber/hello-rust
[INFO] finished tweaking git repo https://github.com/twbarber/hello-rust
[INFO] tweaked toml for git repo https://github.com/twbarber/hello-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/twbarber/hello-rust 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01f9b0429538ed124984a2427e0292c9935182c17d945d7bca07aa90ae462b55
[INFO] running `Command { std: "docker" "start" "-a" "01f9b0429538ed124984a2427e0292c9935182c17d945d7bca07aa90ae462b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f9b0429538ed124984a2427e0292c9935182c17d945d7bca07aa90ae462b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f9b0429538ed124984a2427e0292c9935182c17d945d7bca07aa90ae462b55", kill_on_drop: false }`
[INFO] [stdout] 01f9b0429538ed124984a2427e0292c9935182c17d945d7bca07aa90ae462b55
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4945c181ba6f7f4c4e1b8f77107ec2a242c8b9cfbaa116b14fb637a404bb3ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f4945c181ba6f7f4c4e1b8f77107ec2a242c8b9cfbaa116b14fb637a404bb3ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.2.0
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.29s
[INFO] running `Command { std: "docker" "inspect" "f4945c181ba6f7f4c4e1b8f77107ec2a242c8b9cfbaa116b14fb637a404bb3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4945c181ba6f7f4c4e1b8f77107ec2a242c8b9cfbaa116b14fb637a404bb3ed", kill_on_drop: false }`
[INFO] [stdout] f4945c181ba6f7f4c4e1b8f77107ec2a242c8b9cfbaa116b14fb637a404bb3ed
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83700ee99a9f01cd72089b83cdd19de23a1aabd9559410b984dbaa62e261fbf1
[INFO] running `Command { std: "docker" "start" "-a" "83700ee99a9f01cd72089b83cdd19de23a1aabd9559410b984dbaa62e261fbf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "83700ee99a9f01cd72089b83cdd19de23a1aabd9559410b984dbaa62e261fbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83700ee99a9f01cd72089b83cdd19de23a1aabd9559410b984dbaa62e261fbf1", kill_on_drop: false }`
[INFO] [stdout] 83700ee99a9f01cd72089b83cdd19de23a1aabd9559410b984dbaa62e261fbf1
[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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd213f2dc69545a97cbebb659612e56d561fcc6dec7e5fd37c2e1656764d5ffe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd213f2dc69545a97cbebb659612e56d561fcc6dec7e5fd37c2e1656764d5ffe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_rust-a0cff73b42d7a676)
[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" "fd213f2dc69545a97cbebb659612e56d561fcc6dec7e5fd37c2e1656764d5ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd213f2dc69545a97cbebb659612e56d561fcc6dec7e5fd37c2e1656764d5ffe", kill_on_drop: false }`
[INFO] [stdout] fd213f2dc69545a97cbebb659612e56d561fcc6dec7e5fd37c2e1656764d5ffe