[INFO] fetching crate battery-widget 0.1.0...
[INFO] testing battery-widget-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate battery-widget 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate battery-widget 0.1.0 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 battery-widget 0.1.0
[INFO] finished tweaking crates.io crate battery-widget 0.1.0
[INFO] tweaked toml for crates.io crate battery-widget 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate battery-widget 0.1.0 already has a lockfile, it will not be regenerated
[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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 22cc132712c09316988b59cf325d216e7d660daa4e95d0f89e66dee0b274f054
[INFO] running `Command { std: "docker" "start" "-a" "22cc132712c09316988b59cf325d216e7d660daa4e95d0f89e66dee0b274f054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22cc132712c09316988b59cf325d216e7d660daa4e95d0f89e66dee0b274f054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22cc132712c09316988b59cf325d216e7d660daa4e95d0f89e66dee0b274f054", kill_on_drop: false }`
[INFO] [stdout] 22cc132712c09316988b59cf325d216e7d660daa4e95d0f89e66dee0b274f054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c78e2652a73a18396575896423bd0144c12decd5372eb20e83a1e6943faf311d
[INFO] running `Command { std: "docker" "start" "-a" "c78e2652a73a18396575896423bd0144c12decd5372eb20e83a1e6943faf311d", kill_on_drop: false }`
[INFO] [stderr]    Compiling battery-widget v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "c78e2652a73a18396575896423bd0144c12decd5372eb20e83a1e6943faf311d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78e2652a73a18396575896423bd0144c12decd5372eb20e83a1e6943faf311d", kill_on_drop: false }`
[INFO] [stdout] c78e2652a73a18396575896423bd0144c12decd5372eb20e83a1e6943faf311d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] cb446aa86dee51468a977a297745539d0efd741c14f64551e79b884748b730b4
[INFO] running `Command { std: "docker" "start" "-a" "cb446aa86dee51468a977a297745539d0efd741c14f64551e79b884748b730b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling battery-widget v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "cb446aa86dee51468a977a297745539d0efd741c14f64551e79b884748b730b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb446aa86dee51468a977a297745539d0efd741c14f64551e79b884748b730b4", kill_on_drop: false }`
[INFO] [stdout] cb446aa86dee51468a977a297745539d0efd741c14f64551e79b884748b730b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] ddb376c479da8901a0c3f16d9a0196bd8db3ffc4f91ebdd41fe65a6b2a2f4b10
[INFO] running `Command { std: "docker" "start" "-a" "ddb376c479da8901a0c3f16d9a0196bd8db3ffc4f91ebdd41fe65a6b2a2f4b10", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/battery_widget-2a271cf793164828)
[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" "ddb376c479da8901a0c3f16d9a0196bd8db3ffc4f91ebdd41fe65a6b2a2f4b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb376c479da8901a0c3f16d9a0196bd8db3ffc4f91ebdd41fe65a6b2a2f4b10", kill_on_drop: false }`
[INFO] [stdout] ddb376c479da8901a0c3f16d9a0196bd8db3ffc4f91ebdd41fe65a6b2a2f4b10