[INFO] fetching crate pipebuf_mio 0.2.1...
[INFO] testing pipebuf_mio-0.2.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pipebuf_mio 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pipebuf_mio 0.2.1
[INFO] finished tweaking crates.io crate pipebuf_mio 0.2.1
[INFO] tweaked toml for crates.io crate pipebuf_mio 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pipebuf_mio 0.2.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pipebuf v0.3.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64c86708c2f71b513dfd505b3dae840bbaaf12efec1c38a78542e6846412b9cd
[INFO] running `Command { std: "docker" "start" "-a" "64c86708c2f71b513dfd505b3dae840bbaaf12efec1c38a78542e6846412b9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64c86708c2f71b513dfd505b3dae840bbaaf12efec1c38a78542e6846412b9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c86708c2f71b513dfd505b3dae840bbaaf12efec1c38a78542e6846412b9cd", kill_on_drop: false }`
[INFO] [stdout] 64c86708c2f71b513dfd505b3dae840bbaaf12efec1c38a78542e6846412b9cd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ffa10774f4e098a71069e160db5a5367b6d9cb4f96686a080ed44652f7d03a8
[INFO] running `Command { std: "docker" "start" "-a" "0ffa10774f4e098a71069e160db5a5367b6d9cb4f96686a080ed44652f7d03a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipebuf v0.3.2
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling pipebuf_mio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "0ffa10774f4e098a71069e160db5a5367b6d9cb4f96686a080ed44652f7d03a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffa10774f4e098a71069e160db5a5367b6d9cb4f96686a080ed44652f7d03a8", kill_on_drop: false }`
[INFO] [stdout] 0ffa10774f4e098a71069e160db5a5367b6d9cb4f96686a080ed44652f7d03a8
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97e6faa42ee7560d161936ac4aac6b541ba34cd7c7bf08494fc621a4a5f7f63c
[INFO] running `Command { std: "docker" "start" "-a" "97e6faa42ee7560d161936ac4aac6b541ba34cd7c7bf08494fc621a4a5f7f63c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipebuf_mio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "97e6faa42ee7560d161936ac4aac6b541ba34cd7c7bf08494fc621a4a5f7f63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e6faa42ee7560d161936ac4aac6b541ba34cd7c7bf08494fc621a4a5f7f63c", kill_on_drop: false }`
[INFO] [stdout] 97e6faa42ee7560d161936ac4aac6b541ba34cd7c7bf08494fc621a4a5f7f63c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cbbf55c4c2b4a388ebe83db370f51e14f658eae478d747a4ce665abc907fcb1
[INFO] running `Command { std: "docker" "start" "-a" "3cbbf55c4c2b4a388ebe83db370f51e14f658eae478d747a4ce665abc907fcb1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pipebuf_mio-71fb449539cf0195)
[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] [stderr]    Doc-tests pipebuf_mio
[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" "3cbbf55c4c2b4a388ebe83db370f51e14f658eae478d747a4ce665abc907fcb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbbf55c4c2b4a388ebe83db370f51e14f658eae478d747a4ce665abc907fcb1", kill_on_drop: false }`
[INFO] [stdout] 3cbbf55c4c2b4a388ebe83db370f51e14f658eae478d747a4ce665abc907fcb1