[INFO] fetching crate subsplit 0.0.0...
[INFO] testing subsplit-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate subsplit 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate subsplit 0.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subsplit 0.0.0
[INFO] finished tweaking crates.io crate subsplit 0.0.0
[INFO] tweaked toml for crates.io crate subsplit 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.13.0
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded vobsub v0.2.3
[INFO] [stderr]   Downloaded nom v2.1.0
[INFO] [stderr]   Downloaded subparse v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7269e08050968a13a7143cb1297e176aeb3c9a92ff6fd2495658cb01e0961280
[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" "7269e08050968a13a7143cb1297e176aeb3c9a92ff6fd2495658cb01e0961280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7269e08050968a13a7143cb1297e176aeb3c9a92ff6fd2495658cb01e0961280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7269e08050968a13a7143cb1297e176aeb3c9a92ff6fd2495658cb01e0961280", kill_on_drop: false }`
[INFO] [stdout] 7269e08050968a13a7143cb1297e176aeb3c9a92ff6fd2495658cb01e0961280
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aae33c8235fe60081be6e0c7abe56ea422584c48dffb35f52f1394fb824c73b
[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" "9aae33c8235fe60081be6e0c7abe56ea422584c48dffb35f52f1394fb824c73b", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v2.1.0
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling combine v2.5.2
[INFO] [stderr]    Compiling vobsub v0.2.3
[INFO] [stderr]    Compiling subparse v0.3.0
[INFO] [stderr]    Compiling subsplit v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.99s
[INFO] running `Command { std: "docker" "inspect" "9aae33c8235fe60081be6e0c7abe56ea422584c48dffb35f52f1394fb824c73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aae33c8235fe60081be6e0c7abe56ea422584c48dffb35f52f1394fb824c73b", kill_on_drop: false }`
[INFO] [stdout] 9aae33c8235fe60081be6e0c7abe56ea422584c48dffb35f52f1394fb824c73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df9489e2446fac1b4a506762bd83e7553a819158cd27e664b2b0c53fd302a1b
[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" "7df9489e2446fac1b4a506762bd83e7553a819158cd27e664b2b0c53fd302a1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling subsplit v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "7df9489e2446fac1b4a506762bd83e7553a819158cd27e664b2b0c53fd302a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df9489e2446fac1b4a506762bd83e7553a819158cd27e664b2b0c53fd302a1b", kill_on_drop: false }`
[INFO] [stdout] 7df9489e2446fac1b4a506762bd83e7553a819158cd27e664b2b0c53fd302a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cc432fc0313a9c730ee80ef12f93471b708e8b2050818c78f97e6f2891d7b7c
[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" "4cc432fc0313a9c730ee80ef12f93471b708e8b2050818c78f97e6f2891d7b7c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subsplit-8d2dbee6ea9eb1c9
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4cc432fc0313a9c730ee80ef12f93471b708e8b2050818c78f97e6f2891d7b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc432fc0313a9c730ee80ef12f93471b708e8b2050818c78f97e6f2891d7b7c", kill_on_drop: false }`
[INFO] [stdout] 4cc432fc0313a9c730ee80ef12f93471b708e8b2050818c78f97e6f2891d7b7c