[INFO] fetching crate synchronized-writer 1.1.11...
[INFO] testing synchronized-writer-1.1.11 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate synchronized-writer 1.1.11 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate synchronized-writer 1.1.11
[INFO] finished tweaking crates.io crate synchronized-writer 1.1.11
[INFO] tweaked toml for crates.io crate synchronized-writer 1.1.11 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synchronized-writer 1.1.11 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1eff3a0dde33d79fc372318e58541fa8ac118b75533c7f657e3350c18a6d61d9
[INFO] running `Command { std: "docker" "start" "-a" "1eff3a0dde33d79fc372318e58541fa8ac118b75533c7f657e3350c18a6d61d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eff3a0dde33d79fc372318e58541fa8ac118b75533c7f657e3350c18a6d61d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eff3a0dde33d79fc372318e58541fa8ac118b75533c7f657e3350c18a6d61d9", kill_on_drop: false }`
[INFO] [stdout] 1eff3a0dde33d79fc372318e58541fa8ac118b75533c7f657e3350c18a6d61d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9db6f243cbb7c0a42faa133046303321ed2a0b718e96be0b7fad2586eeaadccc
[INFO] running `Command { std: "docker" "start" "-a" "9db6f243cbb7c0a42faa133046303321ed2a0b718e96be0b7fad2586eeaadccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling synchronized-writer v1.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "9db6f243cbb7c0a42faa133046303321ed2a0b718e96be0b7fad2586eeaadccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db6f243cbb7c0a42faa133046303321ed2a0b718e96be0b7fad2586eeaadccc", kill_on_drop: false }`
[INFO] [stdout] 9db6f243cbb7c0a42faa133046303321ed2a0b718e96be0b7fad2586eeaadccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82de4b6b70226bac8b7250b3bb5a0e15d295e999981335ae0a901840164423d3
[INFO] running `Command { std: "docker" "start" "-a" "82de4b6b70226bac8b7250b3bb5a0e15d295e999981335ae0a901840164423d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling synchronized-writer v1.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "82de4b6b70226bac8b7250b3bb5a0e15d295e999981335ae0a901840164423d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82de4b6b70226bac8b7250b3bb5a0e15d295e999981335ae0a901840164423d3", kill_on_drop: false }`
[INFO] [stdout] 82de4b6b70226bac8b7250b3bb5a0e15d295e999981335ae0a901840164423d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 897c96ccbdfa04109034c12da8202b9f520b03d2830bd00e2b7b9f18a1307d05
[INFO] running `Command { std: "docker" "start" "-a" "897c96ccbdfa04109034c12da8202b9f520b03d2830bd00e2b7b9f18a1307d05", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synchronized_writer-b2bf06712322b5de)
[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 synchronized_writer
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "897c96ccbdfa04109034c12da8202b9f520b03d2830bd00e2b7b9f18a1307d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897c96ccbdfa04109034c12da8202b9f520b03d2830bd00e2b7b9f18a1307d05", kill_on_drop: false }`
[INFO] [stdout] 897c96ccbdfa04109034c12da8202b9f520b03d2830bd00e2b7b9f18a1307d05