[INFO] fetching crate gregarious 0.1.0...
[INFO] testing gregarious-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gregarious 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gregarious 0.1.0 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 crates.io crate gregarious 0.1.0
[INFO] finished tweaking crates.io crate gregarious 0.1.0
[INFO] tweaked toml for crates.io crate gregarious 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate gregarious 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4e8b1f02e6ddb9fad566793b2eefd48ba5eaa7931de66c730cdda2a947d046e8
[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" "4e8b1f02e6ddb9fad566793b2eefd48ba5eaa7931de66c730cdda2a947d046e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e8b1f02e6ddb9fad566793b2eefd48ba5eaa7931de66c730cdda2a947d046e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8b1f02e6ddb9fad566793b2eefd48ba5eaa7931de66c730cdda2a947d046e8", kill_on_drop: false }`
[INFO] [stdout] 4e8b1f02e6ddb9fad566793b2eefd48ba5eaa7931de66c730cdda2a947d046e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d85193d0df4b9d7a8777d0d744b58f443ed8a7f244f2ecee752ac3b0eb9e00fb
[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" "d85193d0df4b9d7a8777d0d744b58f443ed8a7f244f2ecee752ac3b0eb9e00fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling gregarious v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "d85193d0df4b9d7a8777d0d744b58f443ed8a7f244f2ecee752ac3b0eb9e00fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85193d0df4b9d7a8777d0d744b58f443ed8a7f244f2ecee752ac3b0eb9e00fb", kill_on_drop: false }`
[INFO] [stdout] d85193d0df4b9d7a8777d0d744b58f443ed8a7f244f2ecee752ac3b0eb9e00fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 30924c66ef2bbadf15620f4e9f4706417aa41ce01ab6d0a14cf5b35525510f0a
[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" "30924c66ef2bbadf15620f4e9f4706417aa41ce01ab6d0a14cf5b35525510f0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling gregarious v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "30924c66ef2bbadf15620f4e9f4706417aa41ce01ab6d0a14cf5b35525510f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30924c66ef2bbadf15620f4e9f4706417aa41ce01ab6d0a14cf5b35525510f0a", kill_on_drop: false }`
[INFO] [stdout] 30924c66ef2bbadf15620f4e9f4706417aa41ce01ab6d0a14cf5b35525510f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b6312aa4da9200b2c074ebdb6cef62b3f5d37f3c55bd8707a5cfdfd08c360e2c
[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" "b6312aa4da9200b2c074ebdb6cef62b3f5d37f3c55bd8707a5cfdfd08c360e2c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gregarious-c6cdc42aeccf4d63)
[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" "b6312aa4da9200b2c074ebdb6cef62b3f5d37f3c55bd8707a5cfdfd08c360e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6312aa4da9200b2c074ebdb6cef62b3f5d37f3c55bd8707a5cfdfd08c360e2c", kill_on_drop: false }`
[INFO] [stdout] b6312aa4da9200b2c074ebdb6cef62b3f5d37f3c55bd8707a5cfdfd08c360e2c