[INFO] fetching crate yarnspinner 0.1.0...
[INFO] testing yarnspinner-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate yarnspinner 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate yarnspinner 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yarnspinner 0.1.0
[INFO] finished tweaking crates.io crate yarnspinner 0.1.0
[INFO] tweaked toml for crates.io crate yarnspinner 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate yarnspinner 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5d4510daad1d945e7ed6289f456d6f8c587f7386bf6f531b6934db2e53dbdce
[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" "e5d4510daad1d945e7ed6289f456d6f8c587f7386bf6f531b6934db2e53dbdce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5d4510daad1d945e7ed6289f456d6f8c587f7386bf6f531b6934db2e53dbdce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d4510daad1d945e7ed6289f456d6f8c587f7386bf6f531b6934db2e53dbdce", kill_on_drop: false }`
[INFO] [stdout] e5d4510daad1d945e7ed6289f456d6f8c587f7386bf6f531b6934db2e53dbdce
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24bac24920d90de7764b1a746daa75c8cb9d712bc6fcc4415aaac4b09fa52828
[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" "24bac24920d90de7764b1a746daa75c8cb9d712bc6fcc4415aaac4b09fa52828", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling beef v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling thiserror v1.0.16
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling yarnspinner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.18s
[INFO] running `Command { std: "docker" "inspect" "24bac24920d90de7764b1a746daa75c8cb9d712bc6fcc4415aaac4b09fa52828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24bac24920d90de7764b1a746daa75c8cb9d712bc6fcc4415aaac4b09fa52828", kill_on_drop: false }`
[INFO] [stdout] 24bac24920d90de7764b1a746daa75c8cb9d712bc6fcc4415aaac4b09fa52828
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29eace25e6bbeba116a2ab2c87bf25949c7f1845d568446101ce2d7718040eff
[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" "29eace25e6bbeba116a2ab2c87bf25949c7f1845d568446101ce2d7718040eff", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarnspinner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "29eace25e6bbeba116a2ab2c87bf25949c7f1845d568446101ce2d7718040eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29eace25e6bbeba116a2ab2c87bf25949c7f1845d568446101ce2d7718040eff", kill_on_drop: false }`
[INFO] [stdout] 29eace25e6bbeba116a2ab2c87bf25949c7f1845d568446101ce2d7718040eff
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa5be0ca9253188105a95d388dd2db7d40dcc03cd172b0b58c6ddd4620a5d31d
[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" "aa5be0ca9253188105a95d388dd2db7d40dcc03cd172b0b58c6ddd4620a5d31d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yarnspinner-329d36ff55d1922d
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests yarnspinner
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "aa5be0ca9253188105a95d388dd2db7d40dcc03cd172b0b58c6ddd4620a5d31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5be0ca9253188105a95d388dd2db7d40dcc03cd172b0b58c6ddd4620a5d31d", kill_on_drop: false }`
[INFO] [stdout] aa5be0ca9253188105a95d388dd2db7d40dcc03cd172b0b58c6ddd4620a5d31d