[INFO] fetching crate rack-assets 0.0.0...
[INFO] testing rack-assets-0.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate rack-assets 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rack-assets 0.0.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rack-assets 0.0.0
[INFO] finished tweaking crates.io crate rack-assets 0.0.0
[INFO] tweaked toml for crates.io crate rack-assets 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2cd92f2bd631bb3c5ed0e73b3caa6af88bfc9658523bc47e3f7dd772c001a6b
[INFO] running `Command { std: "docker" "start" "-a" "e2cd92f2bd631bb3c5ed0e73b3caa6af88bfc9658523bc47e3f7dd772c001a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2cd92f2bd631bb3c5ed0e73b3caa6af88bfc9658523bc47e3f7dd772c001a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2cd92f2bd631bb3c5ed0e73b3caa6af88bfc9658523bc47e3f7dd772c001a6b", kill_on_drop: false }`
[INFO] [stdout] e2cd92f2bd631bb3c5ed0e73b3caa6af88bfc9658523bc47e3f7dd772c001a6b
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d1bd06969b7d76e7563cec2ac1a9c19947c7fcc2b3959e86bc042a5960941d0
[INFO] running `Command { std: "docker" "start" "-a" "0d1bd06969b7d76e7563cec2ac1a9c19947c7fcc2b3959e86bc042a5960941d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rack-assets v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "0d1bd06969b7d76e7563cec2ac1a9c19947c7fcc2b3959e86bc042a5960941d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1bd06969b7d76e7563cec2ac1a9c19947c7fcc2b3959e86bc042a5960941d0", kill_on_drop: false }`
[INFO] [stdout] 0d1bd06969b7d76e7563cec2ac1a9c19947c7fcc2b3959e86bc042a5960941d0
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85281d71840d117d5c7700f6dcedd67475c26601436d0afc608f3b109e3fc775
[INFO] running `Command { std: "docker" "start" "-a" "85281d71840d117d5c7700f6dcedd67475c26601436d0afc608f3b109e3fc775", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-assets v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "85281d71840d117d5c7700f6dcedd67475c26601436d0afc608f3b109e3fc775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85281d71840d117d5c7700f6dcedd67475c26601436d0afc608f3b109e3fc775", kill_on_drop: false }`
[INFO] [stdout] 85281d71840d117d5c7700f6dcedd67475c26601436d0afc608f3b109e3fc775
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d90efa1c3c3688f889db8a3a189bf950e816e5671c7a7e05dd9ea47f5e3b95dc
[INFO] running `Command { std: "docker" "start" "-a" "d90efa1c3c3688f889db8a3a189bf950e816e5671c7a7e05dd9ea47f5e3b95dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rack_assets-b46d30b661d007f6)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rack-assets
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d90efa1c3c3688f889db8a3a189bf950e816e5671c7a7e05dd9ea47f5e3b95dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90efa1c3c3688f889db8a3a189bf950e816e5671c7a7e05dd9ea47f5e3b95dc", kill_on_drop: false }`
[INFO] [stdout] d90efa1c3c3688f889db8a3a189bf950e816e5671c7a7e05dd9ea47f5e3b95dc