[INFO] fetching crate gurgle 0.5.0...
[INFO] testing gurgle-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gurgle 0.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate gurgle 0.5.0 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 gurgle 0.5.0
[INFO] finished tweaking crates.io crate gurgle 0.5.0
[INFO] tweaked toml for crates.io crate gurgle 0.5.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] be17d206812778bd522cd08618e3e83d0683c2d6b8356f07e6eb01fe6a8589d7
[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" "be17d206812778bd522cd08618e3e83d0683c2d6b8356f07e6eb01fe6a8589d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be17d206812778bd522cd08618e3e83d0683c2d6b8356f07e6eb01fe6a8589d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be17d206812778bd522cd08618e3e83d0683c2d6b8356f07e6eb01fe6a8589d7", kill_on_drop: false }`
[INFO] [stdout] be17d206812778bd522cd08618e3e83d0683c2d6b8356f07e6eb01fe6a8589d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d681bac6d92aa9797251db2692b879d5f653b8239e07b92363a55cfaf7c57a00
[INFO] running `Command { std: "docker" "start" "-a" "d681bac6d92aa9797251db2692b879d5f653b8239e07b92363a55cfaf7c57a00", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling gurgle v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "d681bac6d92aa9797251db2692b879d5f653b8239e07b92363a55cfaf7c57a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d681bac6d92aa9797251db2692b879d5f653b8239e07b92363a55cfaf7c57a00", kill_on_drop: false }`
[INFO] [stdout] d681bac6d92aa9797251db2692b879d5f653b8239e07b92363a55cfaf7c57a00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 96d1b5ca4b247864c50f4ed552fd35c4fc7c3ef32be54f72847f8ea11807d88b
[INFO] running `Command { std: "docker" "start" "-a" "96d1b5ca4b247864c50f4ed552fd35c4fc7c3ef32be54f72847f8ea11807d88b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gurgle v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "96d1b5ca4b247864c50f4ed552fd35c4fc7c3ef32be54f72847f8ea11807d88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d1b5ca4b247864c50f4ed552fd35c4fc7c3ef32be54f72847f8ea11807d88b", kill_on_drop: false }`
[INFO] [stdout] 96d1b5ca4b247864c50f4ed552fd35c4fc7c3ef32be54f72847f8ea11807d88b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f17d36300fccba69f52c2cc46d9414de3ed7af9b89a1895534fc981d5c8e08b0
[INFO] running `Command { std: "docker" "start" "-a" "f17d36300fccba69f52c2cc46d9414de3ed7af9b89a1895534fc981d5c8e08b0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gurgle-6db7ffe2386f9e9f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_compile_error ... ok
[INFO] [stdout] test tests::test_roll ... ok
[INFO] [stdout] test tests::test_parser_invalid ... ok
[INFO] [stdout] test tests::test_parser_correct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gurgle
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f17d36300fccba69f52c2cc46d9414de3ed7af9b89a1895534fc981d5c8e08b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17d36300fccba69f52c2cc46d9414de3ed7af9b89a1895534fc981d5c8e08b0", kill_on_drop: false }`
[INFO] [stdout] f17d36300fccba69f52c2cc46d9414de3ed7af9b89a1895534fc981d5c8e08b0