[INFO] fetching crate iocuddle 0.2.0...
[INFO] testing iocuddle-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate iocuddle 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate iocuddle 0.2.0
[INFO] finished tweaking crates.io crate iocuddle 0.2.0
[INFO] tweaked toml for crates.io crate iocuddle 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iocuddle 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iocuddle 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37492212d29692d1634236a8ded05ea78d0d6a122a3dec13cbce573b940ea506
[INFO] running `Command { std: "docker" "start" "-a" "37492212d29692d1634236a8ded05ea78d0d6a122a3dec13cbce573b940ea506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37492212d29692d1634236a8ded05ea78d0d6a122a3dec13cbce573b940ea506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37492212d29692d1634236a8ded05ea78d0d6a122a3dec13cbce573b940ea506", kill_on_drop: false }`
[INFO] [stdout] 37492212d29692d1634236a8ded05ea78d0d6a122a3dec13cbce573b940ea506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52eec11aae7083c775f2f1abe979e23f707f5dda2fe6911ec2d812ffb6dd43ce
[INFO] running `Command { std: "docker" "start" "-a" "52eec11aae7083c775f2f1abe979e23f707f5dda2fe6911ec2d812ffb6dd43ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling iocuddle v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "52eec11aae7083c775f2f1abe979e23f707f5dda2fe6911ec2d812ffb6dd43ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52eec11aae7083c775f2f1abe979e23f707f5dda2fe6911ec2d812ffb6dd43ce", kill_on_drop: false }`
[INFO] [stdout] 52eec11aae7083c775f2f1abe979e23f707f5dda2fe6911ec2d812ffb6dd43ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d8a3c3fdc78a97f093a619477cceaa9a8cedc18a6af7da6253d726bb449e912
[INFO] running `Command { std: "docker" "start" "-a" "6d8a3c3fdc78a97f093a619477cceaa9a8cedc18a6af7da6253d726bb449e912", kill_on_drop: false }`
[INFO] [stderr]    Compiling iocuddle v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "6d8a3c3fdc78a97f093a619477cceaa9a8cedc18a6af7da6253d726bb449e912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8a3c3fdc78a97f093a619477cceaa9a8cedc18a6af7da6253d726bb449e912", kill_on_drop: false }`
[INFO] [stdout] 6d8a3c3fdc78a97f093a619477cceaa9a8cedc18a6af7da6253d726bb449e912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f78312f7f5fc071e550046360cfffaa8364c86a4ed27d917f7e264b07b190e4d
[INFO] running `Command { std: "docker" "start" "-a" "f78312f7f5fc071e550046360cfffaa8364c86a4ed27d917f7e264b07b190e4d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iocuddle-5bc50f2daa5fdd05)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::req ... ok
[INFO] [stdout] test test::req_w ... ok
[INFO] [stdout] test test::req_r ... ok
[INFO] [stdout] test test::req_wr ... ok
[INFO] [stderr]    Doc-tests iocuddle
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f78312f7f5fc071e550046360cfffaa8364c86a4ed27d917f7e264b07b190e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78312f7f5fc071e550046360cfffaa8364c86a4ed27d917f7e264b07b190e4d", kill_on_drop: false }`
[INFO] [stdout] f78312f7f5fc071e550046360cfffaa8364c86a4ed27d917f7e264b07b190e4d