[INFO] fetching crate babylon 0.0.15...
[INFO] testing babylon-0.0.15 against 1.55.0 for beta-1.56-1
[INFO] extracting crate babylon 0.0.15 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate babylon 0.0.15 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 babylon 0.0.15
[INFO] finished tweaking crates.io crate babylon 0.0.15
[INFO] tweaked toml for crates.io crate babylon 0.0.15 written to /workspace/builds/worker-36/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 9c94fb3c9079ced437cccfeed881113f866f7f4a34ff67ad32690acddcb64e84
[INFO] running `Command { std: "docker" "start" "-a" "9c94fb3c9079ced437cccfeed881113f866f7f4a34ff67ad32690acddcb64e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c94fb3c9079ced437cccfeed881113f866f7f4a34ff67ad32690acddcb64e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c94fb3c9079ced437cccfeed881113f866f7f4a34ff67ad32690acddcb64e84", kill_on_drop: false }`
[INFO] [stdout] 9c94fb3c9079ced437cccfeed881113f866f7f4a34ff67ad32690acddcb64e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] a6d154145ac376af11948e367d6f7f2bee76947ce0738084f9e2f3039ee4fef1
[INFO] running `Command { std: "docker" "start" "-a" "a6d154145ac376af11948e367d6f7f2bee76947ce0738084f9e2f3039ee4fef1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling globals v1.0.2
[INFO] [stderr]    Compiling cstring v0.0.5
[INFO] [stderr]    Compiling js_ffi v0.8.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling babylon v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.07s
[INFO] running `Command { std: "docker" "inspect" "a6d154145ac376af11948e367d6f7f2bee76947ce0738084f9e2f3039ee4fef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d154145ac376af11948e367d6f7f2bee76947ce0738084f9e2f3039ee4fef1", kill_on_drop: false }`
[INFO] [stdout] a6d154145ac376af11948e367d6f7f2bee76947ce0738084f9e2f3039ee4fef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] a0f327e7d757db911f84949c72c5c24db24fd0e172ce4cb3e837f35117991163
[INFO] running `Command { std: "docker" "start" "-a" "a0f327e7d757db911f84949c72c5c24db24fd0e172ce4cb3e837f35117991163", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling babylon v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "a0f327e7d757db911f84949c72c5c24db24fd0e172ce4cb3e837f35117991163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f327e7d757db911f84949c72c5c24db24fd0e172ce4cb3e837f35117991163", kill_on_drop: false }`
[INFO] [stdout] a0f327e7d757db911f84949c72c5c24db24fd0e172ce4cb3e837f35117991163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 6cfcea09bcf4f663273b96afe5ce4d95cdeebd7af50e94749a3120a9a07bacc1
[INFO] running `Command { std: "docker" "start" "-a" "6cfcea09bcf4f663273b96afe5ce4d95cdeebd7af50e94749a3120a9a07bacc1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/babylon-fcec14cf929d0cb1)
[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] [stderr]    Doc-tests babylon
[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" "6cfcea09bcf4f663273b96afe5ce4d95cdeebd7af50e94749a3120a9a07bacc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfcea09bcf4f663273b96afe5ce4d95cdeebd7af50e94749a3120a9a07bacc1", kill_on_drop: false }`
[INFO] [stdout] 6cfcea09bcf4f663273b96afe5ce4d95cdeebd7af50e94749a3120a9a07bacc1