[INFO] cloning repository https://github.com/goyox86/linked_list.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goyox86/linked_list.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoyox86%2Flinked_list.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoyox86%2Flinked_list.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 341490baa2fadbe7a665e32e168521c52c4ee1ac
[INFO] testing goyox86/linked_list.rs 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%2Fgoyox86%2Flinked_list.rs" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goyox86/linked_list.rs 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/goyox86/linked_list.rs
[INFO] finished tweaking git repo https://github.com/goyox86/linked_list.rs
[INFO] tweaked toml for git repo https://github.com/goyox86/linked_list.rs written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate git repo https://github.com/goyox86/linked_list.rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 3b3a85b6dade6f6376e36cba473a884e2a71585612ec8b81c8edcbbce0261e1a
[INFO] running `Command { std: "docker" "start" "-a" "3b3a85b6dade6f6376e36cba473a884e2a71585612ec8b81c8edcbbce0261e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b3a85b6dade6f6376e36cba473a884e2a71585612ec8b81c8edcbbce0261e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3a85b6dade6f6376e36cba473a884e2a71585612ec8b81c8edcbbce0261e1a", kill_on_drop: false }`
[INFO] [stdout] 3b3a85b6dade6f6376e36cba473a884e2a71585612ec8b81c8edcbbce0261e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 5b4dc2fb44883f97862dc92c41dcc74ad06d17f7351a4d591ad8a599e755473e
[INFO] running `Command { std: "docker" "start" "-a" "5b4dc2fb44883f97862dc92c41dcc74ad06d17f7351a4d591ad8a599e755473e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "5b4dc2fb44883f97862dc92c41dcc74ad06d17f7351a4d591ad8a599e755473e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4dc2fb44883f97862dc92c41dcc74ad06d17f7351a4d591ad8a599e755473e", kill_on_drop: false }`
[INFO] [stdout] 5b4dc2fb44883f97862dc92c41dcc74ad06d17f7351a4d591ad8a599e755473e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] 5db5720e25698d68cb39a6ac3cec7466c1f7dd84ec6e74935fb49aa11f7f264e
[INFO] running `Command { std: "docker" "start" "-a" "5db5720e25698d68cb39a6ac3cec7466c1f7dd84ec6e74935fb49aa11f7f264e", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "5db5720e25698d68cb39a6ac3cec7466c1f7dd84ec6e74935fb49aa11f7f264e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db5720e25698d68cb39a6ac3cec7466c1f7dd84ec6e74935fb49aa11f7f264e", kill_on_drop: false }`
[INFO] [stdout] 5db5720e25698d68cb39a6ac3cec7466c1f7dd84ec6e74935fb49aa11f7f264e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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] e1ee033c90c097f8a571fc61c820cecb0f086c19612032769fdb508e762f890c
[INFO] running `Command { std: "docker" "start" "-a" "e1ee033c90c097f8a571fc61c820cecb0f086c19612032769fdb508e762f890c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linked_list-b08f22667f0820dc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_pop_front_empty_list ... ok
[INFO] [stdout] test tests::test_push_pop_front ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1ee033c90c097f8a571fc61c820cecb0f086c19612032769fdb508e762f890c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ee033c90c097f8a571fc61c820cecb0f086c19612032769fdb508e762f890c", kill_on_drop: false }`
[INFO] [stdout] e1ee033c90c097f8a571fc61c820cecb0f086c19612032769fdb508e762f890c