[INFO] fetching crate serio 0.2.1...
[INFO] testing serio-0.2.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate serio 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate serio 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serio 0.2.1
[INFO] tweaked toml for crates.io crate serio 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serio 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] crate crates.io crate serio 0.2.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v1.45.0
[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] 47830e784320c3f13f0b0aafea92228b2d233a5fa1d23a62260042e8520e53ae
[INFO] running `Command { std: "docker" "start" "-a" "47830e784320c3f13f0b0aafea92228b2d233a5fa1d23a62260042e8520e53ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47830e784320c3f13f0b0aafea92228b2d233a5fa1d23a62260042e8520e53ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47830e784320c3f13f0b0aafea92228b2d233a5fa1d23a62260042e8520e53ae", kill_on_drop: false }`
[INFO] [stdout] 47830e784320c3f13f0b0aafea92228b2d233a5fa1d23a62260042e8520e53ae
[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] 01473fc39280376b335735a019c2bafa6b6e40d4fce7e1f0b885253063f797f2
[INFO] running `Command { std: "docker" "start" "-a" "01473fc39280376b335735a019c2bafa6b6e40d4fce7e1f0b885253063f797f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "01473fc39280376b335735a019c2bafa6b6e40d4fce7e1f0b885253063f797f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01473fc39280376b335735a019c2bafa6b6e40d4fce7e1f0b885253063f797f2", kill_on_drop: false }`
[INFO] [stdout] 01473fc39280376b335735a019c2bafa6b6e40d4fce7e1f0b885253063f797f2
[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] c603f4925302ceb1ff1de8ec3bc8a18966681d189fefe1cde2dd2a4ca1c7ae9d
[INFO] running `Command { std: "docker" "start" "-a" "c603f4925302ceb1ff1de8ec3bc8a18966681d189fefe1cde2dd2a4ca1c7ae9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling serio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "c603f4925302ceb1ff1de8ec3bc8a18966681d189fefe1cde2dd2a4ca1c7ae9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c603f4925302ceb1ff1de8ec3bc8a18966681d189fefe1cde2dd2a4ca1c7ae9d", kill_on_drop: false }`
[INFO] [stdout] c603f4925302ceb1ff1de8ec3bc8a18966681d189fefe1cde2dd2a4ca1c7ae9d
[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] 90b94cba9396514e06248e9588db1c6e2381549cfa86034312037ae4c21dbf48
[INFO] running `Command { std: "docker" "start" "-a" "90b94cba9396514e06248e9588db1c6e2381549cfa86034312037ae4c21dbf48", 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/serio-d5c5dac2a3969a23)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test channel::tests::test_channel ... ok
[INFO] [stdout] test channel::tests::test_duplex ... ok
[INFO] [stdout] test codec::tests::test_framed ... ok
[INFO] [stdout] test channel::tests::test_channel_type_mismatch - should panic ... ok
[INFO] [stdout] test channel::tests::test_duplex_type_mismatch - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serio
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/stream.rs - stream::StreamExt::next (line 166) ... 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] running `Command { std: "docker" "inspect" "90b94cba9396514e06248e9588db1c6e2381549cfa86034312037ae4c21dbf48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b94cba9396514e06248e9588db1c6e2381549cfa86034312037ae4c21dbf48", kill_on_drop: false }`
[INFO] [stdout] 90b94cba9396514e06248e9588db1c6e2381549cfa86034312037ae4c21dbf48