[INFO] fetching crate protagonist 0.0.1...
[INFO] testing protagonist-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate protagonist 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate protagonist 0.0.1 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 protagonist 0.0.1
[INFO] finished tweaking crates.io crate protagonist 0.0.1
[INFO] tweaked toml for crates.io crate protagonist 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bcce47b11ad9d12bb4f9ba276d2a1946fcd1706e3507601dc088d683a34dfd59
[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" "bcce47b11ad9d12bb4f9ba276d2a1946fcd1706e3507601dc088d683a34dfd59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcce47b11ad9d12bb4f9ba276d2a1946fcd1706e3507601dc088d683a34dfd59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcce47b11ad9d12bb4f9ba276d2a1946fcd1706e3507601dc088d683a34dfd59", kill_on_drop: false }`
[INFO] [stdout] bcce47b11ad9d12bb4f9ba276d2a1946fcd1706e3507601dc088d683a34dfd59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ce23dcf5c6903ea049d2ae8fdf1c4b8b2b3c0e7e0c7248ddd571afc9c689c59
[INFO] running `Command { std: "docker" "start" "-a" "0ce23dcf5c6903ea049d2ae8fdf1c4b8b2b3c0e7e0c7248ddd571afc9c689c59", kill_on_drop: false }`
[INFO] [stderr]    Compiling protagonist v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "0ce23dcf5c6903ea049d2ae8fdf1c4b8b2b3c0e7e0c7248ddd571afc9c689c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce23dcf5c6903ea049d2ae8fdf1c4b8b2b3c0e7e0c7248ddd571afc9c689c59", kill_on_drop: false }`
[INFO] [stdout] 0ce23dcf5c6903ea049d2ae8fdf1c4b8b2b3c0e7e0c7248ddd571afc9c689c59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cabee304fcb670fe8a2beb9004829da07cc42ea9db3e695415196a80e123f961
[INFO] running `Command { std: "docker" "start" "-a" "cabee304fcb670fe8a2beb9004829da07cc42ea9db3e695415196a80e123f961", kill_on_drop: false }`
[INFO] [stderr]    Compiling protagonist v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "cabee304fcb670fe8a2beb9004829da07cc42ea9db3e695415196a80e123f961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cabee304fcb670fe8a2beb9004829da07cc42ea9db3e695415196a80e123f961", kill_on_drop: false }`
[INFO] [stdout] cabee304fcb670fe8a2beb9004829da07cc42ea9db3e695415196a80e123f961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a9fc12f3782a97820c7b27f0cb21050c32470eff76c7b26cae0d64646867aad2
[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" "a9fc12f3782a97820c7b27f0cb21050c32470eff76c7b26cae0d64646867aad2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/protagonist-53d949110d338d43)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests protagonist
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "a9fc12f3782a97820c7b27f0cb21050c32470eff76c7b26cae0d64646867aad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fc12f3782a97820c7b27f0cb21050c32470eff76c7b26cae0d64646867aad2", kill_on_drop: false }`
[INFO] [stdout] a9fc12f3782a97820c7b27f0cb21050c32470eff76c7b26cae0d64646867aad2