[INFO] fetching crate rack-collective 0.0.0...
[INFO] testing rack-collective-0.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate rack-collective 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rack-collective 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-collective 0.0.0
[INFO] finished tweaking crates.io crate rack-collective 0.0.0
[INFO] tweaked toml for crates.io crate rack-collective 0.0.0 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] feeae5dc14341f14ee6a284dc731e98dd0271ce6098ac84a9d930c2fb8ed129f
[INFO] running `Command { std: "docker" "start" "-a" "feeae5dc14341f14ee6a284dc731e98dd0271ce6098ac84a9d930c2fb8ed129f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feeae5dc14341f14ee6a284dc731e98dd0271ce6098ac84a9d930c2fb8ed129f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feeae5dc14341f14ee6a284dc731e98dd0271ce6098ac84a9d930c2fb8ed129f", kill_on_drop: false }`
[INFO] [stdout] feeae5dc14341f14ee6a284dc731e98dd0271ce6098ac84a9d930c2fb8ed129f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9cf4cc2afe5aee18312f0091e19ebed3e469be7abab28f23d9f39255adfab1f5
[INFO] running `Command { std: "docker" "start" "-a" "9cf4cc2afe5aee18312f0091e19ebed3e469be7abab28f23d9f39255adfab1f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-collective v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "9cf4cc2afe5aee18312f0091e19ebed3e469be7abab28f23d9f39255adfab1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf4cc2afe5aee18312f0091e19ebed3e469be7abab28f23d9f39255adfab1f5", kill_on_drop: false }`
[INFO] [stdout] 9cf4cc2afe5aee18312f0091e19ebed3e469be7abab28f23d9f39255adfab1f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5d8a4ecfbaf09705355821f1ab74232b4d853b86a28d8172f789f3f3bfb08af5
[INFO] running `Command { std: "docker" "start" "-a" "5d8a4ecfbaf09705355821f1ab74232b4d853b86a28d8172f789f3f3bfb08af5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-collective v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "5d8a4ecfbaf09705355821f1ab74232b4d853b86a28d8172f789f3f3bfb08af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8a4ecfbaf09705355821f1ab74232b4d853b86a28d8172f789f3f3bfb08af5", kill_on_drop: false }`
[INFO] [stdout] 5d8a4ecfbaf09705355821f1ab74232b4d853b86a28d8172f789f3f3bfb08af5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] aa1ea34686cf92c460f32881c7c8bc88c7963d881ff3de763079c6a9d2c52f7d
[INFO] running `Command { std: "docker" "start" "-a" "aa1ea34686cf92c460f32881c7c8bc88c7963d881ff3de763079c6a9d2c52f7d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rack_collective-632346370ea3b3f5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rack-collective
[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" "aa1ea34686cf92c460f32881c7c8bc88c7963d881ff3de763079c6a9d2c52f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1ea34686cf92c460f32881c7c8bc88c7963d881ff3de763079c6a9d2c52f7d", kill_on_drop: false }`
[INFO] [stdout] aa1ea34686cf92c460f32881c7c8bc88c7963d881ff3de763079c6a9d2c52f7d