[INFO] fetching crate io-test-util 0.1.0...
[INFO] testing io-test-util-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate io-test-util 0.1.0 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate io-test-util 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-test-util 0.1.0
[INFO] finished tweaking crates.io crate io-test-util 0.1.0
[INFO] tweaked toml for crates.io crate io-test-util 0.1.0 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc839560cd79eae8a72296023ae3be049393da68e73a0ee3b69c0c670ae28674
[INFO] running `Command { std: "docker" "start" "-a" "fc839560cd79eae8a72296023ae3be049393da68e73a0ee3b69c0c670ae28674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc839560cd79eae8a72296023ae3be049393da68e73a0ee3b69c0c670ae28674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc839560cd79eae8a72296023ae3be049393da68e73a0ee3b69c0c670ae28674", kill_on_drop: false }`
[INFO] [stdout] fc839560cd79eae8a72296023ae3be049393da68e73a0ee3b69c0c670ae28674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 115aaabce2ddfa81e1b6835d10e9e57c6a96dff89485406eb6d81ac549a1f84e
[INFO] running `Command { std: "docker" "start" "-a" "115aaabce2ddfa81e1b6835d10e9e57c6a96dff89485406eb6d81ac549a1f84e", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-test-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "115aaabce2ddfa81e1b6835d10e9e57c6a96dff89485406eb6d81ac549a1f84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115aaabce2ddfa81e1b6835d10e9e57c6a96dff89485406eb6d81ac549a1f84e", kill_on_drop: false }`
[INFO] [stdout] 115aaabce2ddfa81e1b6835d10e9e57c6a96dff89485406eb6d81ac549a1f84e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f14cf9258025a721d0141550481327af30b3614614868447bf2bac9311d735e8
[INFO] running `Command { std: "docker" "start" "-a" "f14cf9258025a721d0141550481327af30b3614614868447bf2bac9311d735e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-test-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "f14cf9258025a721d0141550481327af30b3614614868447bf2bac9311d735e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14cf9258025a721d0141550481327af30b3614614868447bf2bac9311d735e8", kill_on_drop: false }`
[INFO] [stdout] f14cf9258025a721d0141550481327af30b3614614868447bf2bac9311d735e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f7af3aee0cc60b50b0f509ca5e8e8a784faf36f2ceac05e05d926bf6c732836
[INFO] running `Command { std: "docker" "start" "-a" "2f7af3aee0cc60b50b0f509ca5e8e8a784faf36f2ceac05e05d926bf6c732836", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_test_util-4c0675cb66da0a46)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io-test-util
[INFO] [stdout] running 1 test
[INFO] [stdout] test error_reader::test::should_throw_correct_error ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f7af3aee0cc60b50b0f509ca5e8e8a784faf36f2ceac05e05d926bf6c732836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7af3aee0cc60b50b0f509ca5e8e8a784faf36f2ceac05e05d926bf6c732836", kill_on_drop: false }`
[INFO] [stdout] 2f7af3aee0cc60b50b0f509ca5e8e8a784faf36f2ceac05e05d926bf6c732836