[INFO] fetching crate ackr 1.1.0...
[INFO] testing ackr-1.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ackr 1.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ackr 1.1.0 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 ackr 1.1.0
[INFO] finished tweaking crates.io crate ackr 1.1.0
[INFO] tweaked toml for crates.io crate ackr 1.1.0 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 574dc984f9cc45b55a37501c2daf5cc1bb4ddc19b294e08d40f3800a6d23f3ec
[INFO] running `Command { std: "docker" "start" "-a" "574dc984f9cc45b55a37501c2daf5cc1bb4ddc19b294e08d40f3800a6d23f3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "574dc984f9cc45b55a37501c2daf5cc1bb4ddc19b294e08d40f3800a6d23f3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574dc984f9cc45b55a37501c2daf5cc1bb4ddc19b294e08d40f3800a6d23f3ec", kill_on_drop: false }`
[INFO] [stdout] 574dc984f9cc45b55a37501c2daf5cc1bb4ddc19b294e08d40f3800a6d23f3ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a620473ab966d7551cfebdbb8946be2354d714391cc3117a8df0c37b37e46732
[INFO] running `Command { std: "docker" "start" "-a" "a620473ab966d7551cfebdbb8946be2354d714391cc3117a8df0c37b37e46732", kill_on_drop: false }`
[INFO] [stderr]    Compiling ackr v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "a620473ab966d7551cfebdbb8946be2354d714391cc3117a8df0c37b37e46732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a620473ab966d7551cfebdbb8946be2354d714391cc3117a8df0c37b37e46732", kill_on_drop: false }`
[INFO] [stdout] a620473ab966d7551cfebdbb8946be2354d714391cc3117a8df0c37b37e46732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] bda50b1243def36324af55c9f64b1b10e1e196875b95ffdb4b3fd81f250b793e
[INFO] running `Command { std: "docker" "start" "-a" "bda50b1243def36324af55c9f64b1b10e1e196875b95ffdb4b3fd81f250b793e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ackr v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "bda50b1243def36324af55c9f64b1b10e1e196875b95ffdb4b3fd81f250b793e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda50b1243def36324af55c9f64b1b10e1e196875b95ffdb4b3fd81f250b793e", kill_on_drop: false }`
[INFO] [stdout] bda50b1243def36324af55c9f64b1b10e1e196875b95ffdb4b3fd81f250b793e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3c00a3c7afac209d49c8d9e8464107ba9171f35eee6fa9015d21e24255ab4af7
[INFO] running `Command { std: "docker" "start" "-a" "3c00a3c7afac209d49c8d9e8464107ba9171f35eee6fa9015d21e24255ab4af7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ackr-3707203060d1f7e3)
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests ackr
[INFO] [stdout] test test::new ... ok
[INFO] [stdout] test test::ack ... ok
[INFO] [stdout] test test::ack_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "3c00a3c7afac209d49c8d9e8464107ba9171f35eee6fa9015d21e24255ab4af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c00a3c7afac209d49c8d9e8464107ba9171f35eee6fa9015d21e24255ab4af7", kill_on_drop: false }`
[INFO] [stdout] 3c00a3c7afac209d49c8d9e8464107ba9171f35eee6fa9015d21e24255ab4af7