[INFO] fetching crate objio 0.1.2...
[INFO] testing objio-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate objio 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate objio 0.1.2
[INFO] finished tweaking crates.io crate objio 0.1.2
[INFO] tweaked toml for crates.io crate objio 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate objio 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6f5b7a6c2137668ec3724644e8b7f9b0c87db39bad82a484a943159a253a9bc4
[INFO] running `Command { std: "docker" "start" "-a" "6f5b7a6c2137668ec3724644e8b7f9b0c87db39bad82a484a943159a253a9bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5b7a6c2137668ec3724644e8b7f9b0c87db39bad82a484a943159a253a9bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5b7a6c2137668ec3724644e8b7f9b0c87db39bad82a484a943159a253a9bc4", kill_on_drop: false }`
[INFO] [stdout] 6f5b7a6c2137668ec3724644e8b7f9b0c87db39bad82a484a943159a253a9bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 88979d269f9c2d793194f7b76016f71202acc5d2d471772b00889453d1801cf4
[INFO] running `Command { std: "docker" "start" "-a" "88979d269f9c2d793194f7b76016f71202acc5d2d471772b00889453d1801cf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling objio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "88979d269f9c2d793194f7b76016f71202acc5d2d471772b00889453d1801cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88979d269f9c2d793194f7b76016f71202acc5d2d471772b00889453d1801cf4", kill_on_drop: false }`
[INFO] [stdout] 88979d269f9c2d793194f7b76016f71202acc5d2d471772b00889453d1801cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6eaefebd4f1e0711563108389d35fddf16e8631866e053a4fec63c88e69c067d
[INFO] running `Command { std: "docker" "start" "-a" "6eaefebd4f1e0711563108389d35fddf16e8631866e053a4fec63c88e69c067d", kill_on_drop: false }`
[INFO] [stderr]    Compiling objio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6eaefebd4f1e0711563108389d35fddf16e8631866e053a4fec63c88e69c067d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eaefebd4f1e0711563108389d35fddf16e8631866e053a4fec63c88e69c067d", kill_on_drop: false }`
[INFO] [stdout] 6eaefebd4f1e0711563108389d35fddf16e8631866e053a4fec63c88e69c067d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8182740aa3a6287572656a20553d66510cfa91e5c8dd51c9d26a08f736f37f6a
[INFO] running `Command { std: "docker" "start" "-a" "8182740aa3a6287572656a20553d66510cfa91e5c8dd51c9d26a08f736f37f6a", 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/objio-6b63fca5745d52c1)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_macro_options ... ok
[INFO] [stdout] test tests::test_manual_options ... ok
[INFO] [stdout] test tests::test_writer_to_string ... ok
[INFO] [stderr]    Doc-tests objio
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - HasOptions::with_options (line 147) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8182740aa3a6287572656a20553d66510cfa91e5c8dd51c9d26a08f736f37f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8182740aa3a6287572656a20553d66510cfa91e5c8dd51c9d26a08f736f37f6a", kill_on_drop: false }`
[INFO] [stdout] 8182740aa3a6287572656a20553d66510cfa91e5c8dd51c9d26a08f736f37f6a