[INFO] fetching crate test-io-dev 0.1.0...
[INFO] testing test-io-dev-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate test-io-dev 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate test-io-dev 0.1.0 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 test-io-dev 0.1.0
[INFO] finished tweaking crates.io crate test-io-dev 0.1.0
[INFO] tweaked toml for crates.io crate test-io-dev 0.1.0 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] 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] e1dcfe50ec012d78c84a3920830b589f12e8c65d2c25f919a83ca9dd4fc85d42
[INFO] running `Command { std: "docker" "start" "-a" "e1dcfe50ec012d78c84a3920830b589f12e8c65d2c25f919a83ca9dd4fc85d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1dcfe50ec012d78c84a3920830b589f12e8c65d2c25f919a83ca9dd4fc85d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dcfe50ec012d78c84a3920830b589f12e8c65d2c25f919a83ca9dd4fc85d42", kill_on_drop: false }`
[INFO] [stdout] e1dcfe50ec012d78c84a3920830b589f12e8c65d2c25f919a83ca9dd4fc85d42
[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] 822536a46366c206962b8f0fe1d0dd131117b752518a657b53fc65f0920c37c1
[INFO] running `Command { std: "docker" "start" "-a" "822536a46366c206962b8f0fe1d0dd131117b752518a657b53fc65f0920c37c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-io-dev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "822536a46366c206962b8f0fe1d0dd131117b752518a657b53fc65f0920c37c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822536a46366c206962b8f0fe1d0dd131117b752518a657b53fc65f0920c37c1", kill_on_drop: false }`
[INFO] [stdout] 822536a46366c206962b8f0fe1d0dd131117b752518a657b53fc65f0920c37c1
[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] e38b79535f066dab3ea66548972097043047ac4f40d3820d69fb1588aa380448
[INFO] running `Command { std: "docker" "start" "-a" "e38b79535f066dab3ea66548972097043047ac4f40d3820d69fb1588aa380448", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-io-dev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "e38b79535f066dab3ea66548972097043047ac4f40d3820d69fb1588aa380448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38b79535f066dab3ea66548972097043047ac4f40d3820d69fb1588aa380448", kill_on_drop: false }`
[INFO] [stdout] e38b79535f066dab3ea66548972097043047ac4f40d3820d69fb1588aa380448
[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] 081e442197ac7112f7c7b1a7cfcb676e6367e1d6d43c689fea995c84a91d198a
[INFO] running `Command { std: "docker" "start" "-a" "081e442197ac7112f7c7b1a7cfcb676e6367e1d6d43c689fea995c84a91d198a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_io_dev-7c3a3c0e85e21af0)
[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" "081e442197ac7112f7c7b1a7cfcb676e6367e1d6d43c689fea995c84a91d198a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081e442197ac7112f7c7b1a7cfcb676e6367e1d6d43c689fea995c84a91d198a", kill_on_drop: false }`
[INFO] [stdout] 081e442197ac7112f7c7b1a7cfcb676e6367e1d6d43c689fea995c84a91d198a