[INFO] fetching crate creak 0.3.0...
[INFO] testing creak-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate creak 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate creak 0.3.0 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 creak 0.3.0
[INFO] finished tweaking crates.io crate creak 0.3.0
[INFO] tweaked toml for crates.io crate creak 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate creak 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2555413dfd28f3c74ff590ddd23500b235ca8dd3790def0645a25059ea4df936
[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" "2555413dfd28f3c74ff590ddd23500b235ca8dd3790def0645a25059ea4df936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2555413dfd28f3c74ff590ddd23500b235ca8dd3790def0645a25059ea4df936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2555413dfd28f3c74ff590ddd23500b235ca8dd3790def0645a25059ea4df936", kill_on_drop: false }`
[INFO] [stdout] 2555413dfd28f3c74ff590ddd23500b235ca8dd3790def0645a25059ea4df936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fcbf0cc24706a4e13dfc5f49d0b6dfb4a8083f661b560cdce57235d4cabd6e33
[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" "fcbf0cc24706a4e13dfc5f49d0b6dfb4a8083f661b560cdce57235d4cabd6e33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling ogg v0.7.1
[INFO] [stderr]    Compiling lewton v0.10.1
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling minimp3 v0.5.0
[INFO] [stderr]    Compiling creak v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.72s
[INFO] running `Command { std: "docker" "inspect" "fcbf0cc24706a4e13dfc5f49d0b6dfb4a8083f661b560cdce57235d4cabd6e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcbf0cc24706a4e13dfc5f49d0b6dfb4a8083f661b560cdce57235d4cabd6e33", kill_on_drop: false }`
[INFO] [stdout] fcbf0cc24706a4e13dfc5f49d0b6dfb4a8083f661b560cdce57235d4cabd6e33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 07e0342209f866eae9cce85f75494c1ebf6893a3aeceaff27cbc11e838391384
[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" "07e0342209f866eae9cce85f75494c1ebf6893a3aeceaff27cbc11e838391384", kill_on_drop: false }`
[INFO] [stderr]    Compiling creak v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "07e0342209f866eae9cce85f75494c1ebf6893a3aeceaff27cbc11e838391384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e0342209f866eae9cce85f75494c1ebf6893a3aeceaff27cbc11e838391384", kill_on_drop: false }`
[INFO] [stdout] 07e0342209f866eae9cce85f75494c1ebf6893a3aeceaff27cbc11e838391384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8fcd6fe2c294e736a237ccb12f2d729f6f4bb0dd15564e58847430d72231390d
[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" "8fcd6fe2c294e736a237ccb12f2d729f6f4bb0dd15564e58847430d72231390d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/creak-e3ae475560eb24bc
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/creak_raw-4d5c8eefad2a7bbd
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests creak
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fcd6fe2c294e736a237ccb12f2d729f6f4bb0dd15564e58847430d72231390d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fcd6fe2c294e736a237ccb12f2d729f6f4bb0dd15564e58847430d72231390d", kill_on_drop: false }`
[INFO] [stdout] 8fcd6fe2c294e736a237ccb12f2d729f6f4bb0dd15564e58847430d72231390d