[INFO] fetching crate massdriver_appkit 0.0.1...
[INFO] testing massdriver_appkit-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate massdriver_appkit 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate massdriver_appkit 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 massdriver_appkit 0.0.1
[INFO] finished tweaking crates.io crate massdriver_appkit 0.0.1
[INFO] tweaked toml for crates.io crate massdriver_appkit 0.0.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50812c54aad18530d60d4b2d01ffe753f79a1b8c71bbc9ed050d318389d74bdd
[INFO] running `Command { std: "docker" "start" "-a" "50812c54aad18530d60d4b2d01ffe753f79a1b8c71bbc9ed050d318389d74bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50812c54aad18530d60d4b2d01ffe753f79a1b8c71bbc9ed050d318389d74bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50812c54aad18530d60d4b2d01ffe753f79a1b8c71bbc9ed050d318389d74bdd", kill_on_drop: false }`
[INFO] [stdout] 50812c54aad18530d60d4b2d01ffe753f79a1b8c71bbc9ed050d318389d74bdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f36edc3b258015745cd6401440e20e0a54d7f292ac4218de47302f4760fd6a2c
[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" "f36edc3b258015745cd6401440e20e0a54d7f292ac4218de47302f4760fd6a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling massdriver_appkit v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "f36edc3b258015745cd6401440e20e0a54d7f292ac4218de47302f4760fd6a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36edc3b258015745cd6401440e20e0a54d7f292ac4218de47302f4760fd6a2c", kill_on_drop: false }`
[INFO] [stdout] f36edc3b258015745cd6401440e20e0a54d7f292ac4218de47302f4760fd6a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7f7a0cfe9bc6f36a8a3b10ed8e9dfeffaac73a6d26830c981386295f5202de8e
[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" "7f7a0cfe9bc6f36a8a3b10ed8e9dfeffaac73a6d26830c981386295f5202de8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling massdriver_appkit v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "7f7a0cfe9bc6f36a8a3b10ed8e9dfeffaac73a6d26830c981386295f5202de8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7a0cfe9bc6f36a8a3b10ed8e9dfeffaac73a6d26830c981386295f5202de8e", kill_on_drop: false }`
[INFO] [stdout] 7f7a0cfe9bc6f36a8a3b10ed8e9dfeffaac73a6d26830c981386295f5202de8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 096c8561478b17049aaf7f6c515e66f12826f5787ee72c3e8f55d86231cc8b8d
[INFO] running `Command { std: "docker" "start" "-a" "096c8561478b17049aaf7f6c515e66f12826f5787ee72c3e8f55d86231cc8b8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/massdriver_appkit-066bc9ac8bffed30)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests massdriver_appkit
[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" "096c8561478b17049aaf7f6c515e66f12826f5787ee72c3e8f55d86231cc8b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096c8561478b17049aaf7f6c515e66f12826f5787ee72c3e8f55d86231cc8b8d", kill_on_drop: false }`
[INFO] [stdout] 096c8561478b17049aaf7f6c515e66f12826f5787ee72c3e8f55d86231cc8b8d