[INFO] fetching crate rack-collective 0.0.0...
[INFO] testing rack-collective-0.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate rack-collective 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rack-collective 0.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8814a8744f5e78ba3c4a68c7416ec1b898c31922d06fbb36a218baa432718168
[INFO] running `Command { std: "docker" "start" "-a" "8814a8744f5e78ba3c4a68c7416ec1b898c31922d06fbb36a218baa432718168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8814a8744f5e78ba3c4a68c7416ec1b898c31922d06fbb36a218baa432718168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8814a8744f5e78ba3c4a68c7416ec1b898c31922d06fbb36a218baa432718168", kill_on_drop: false }`
[INFO] [stdout] 8814a8744f5e78ba3c4a68c7416ec1b898c31922d06fbb36a218baa432718168
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9297f0d01e002465ebec0e7c753d44de5398b66ec7fcd1f73d75a6ee11478f8
[INFO] running `Command { std: "docker" "start" "-a" "c9297f0d01e002465ebec0e7c753d44de5398b66ec7fcd1f73d75a6ee11478f8", 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" "c9297f0d01e002465ebec0e7c753d44de5398b66ec7fcd1f73d75a6ee11478f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9297f0d01e002465ebec0e7c753d44de5398b66ec7fcd1f73d75a6ee11478f8", kill_on_drop: false }`
[INFO] [stdout] c9297f0d01e002465ebec0e7c753d44de5398b66ec7fcd1f73d75a6ee11478f8
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7391a7ece94f81ee5bf2fa329d65cb9f9dfc67eabe8ddae3e0f9a3fbf0b9f0ea
[INFO] running `Command { std: "docker" "start" "-a" "7391a7ece94f81ee5bf2fa329d65cb9f9dfc67eabe8ddae3e0f9a3fbf0b9f0ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack-collective v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "7391a7ece94f81ee5bf2fa329d65cb9f9dfc67eabe8ddae3e0f9a3fbf0b9f0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7391a7ece94f81ee5bf2fa329d65cb9f9dfc67eabe8ddae3e0f9a3fbf0b9f0ea", kill_on_drop: false }`
[INFO] [stdout] 7391a7ece94f81ee5bf2fa329d65cb9f9dfc67eabe8ddae3e0f9a3fbf0b9f0ea
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d84715148471e434f1683f5f626cc8fa365cbbb40b7d0219380877bd78c18c3
[INFO] running `Command { std: "docker" "start" "-a" "9d84715148471e434f1683f5f626cc8fa365cbbb40b7d0219380877bd78c18c3", 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" "9d84715148471e434f1683f5f626cc8fa365cbbb40b7d0219380877bd78c18c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d84715148471e434f1683f5f626cc8fa365cbbb40b7d0219380877bd78c18c3", kill_on_drop: false }`
[INFO] [stdout] 9d84715148471e434f1683f5f626cc8fa365cbbb40b7d0219380877bd78c18c3