[INFO] fetching crate o2tk 0.0.0...
[INFO] testing o2tk-0.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate o2tk 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate o2tk 0.0.0
[INFO] finished tweaking crates.io crate o2tk 0.0.0
[INFO] tweaked toml for crates.io crate o2tk 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate o2tk 0.0.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0502c14c763e8233b22c6a97b69be9d05eb6d4b9ecf3b07691dcb88de2b2835b
[INFO] running `Command { std: "docker" "start" "-a" "0502c14c763e8233b22c6a97b69be9d05eb6d4b9ecf3b07691dcb88de2b2835b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0502c14c763e8233b22c6a97b69be9d05eb6d4b9ecf3b07691dcb88de2b2835b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0502c14c763e8233b22c6a97b69be9d05eb6d4b9ecf3b07691dcb88de2b2835b", kill_on_drop: false }`
[INFO] [stdout] 0502c14c763e8233b22c6a97b69be9d05eb6d4b9ecf3b07691dcb88de2b2835b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81980c1760bd7dd9c67a59e846bd40af3bc1bb0da1c07eb568f499c49d9a1f35
[INFO] running `Command { std: "docker" "start" "-a" "81980c1760bd7dd9c67a59e846bd40af3bc1bb0da1c07eb568f499c49d9a1f35", kill_on_drop: false }`
[INFO] [stderr]    Compiling o2tk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "81980c1760bd7dd9c67a59e846bd40af3bc1bb0da1c07eb568f499c49d9a1f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81980c1760bd7dd9c67a59e846bd40af3bc1bb0da1c07eb568f499c49d9a1f35", kill_on_drop: false }`
[INFO] [stdout] 81980c1760bd7dd9c67a59e846bd40af3bc1bb0da1c07eb568f499c49d9a1f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bba72dc17b6f5e2927aa1960927514464d31a15dea04933f546962c2ed0bed6
[INFO] running `Command { std: "docker" "start" "-a" "4bba72dc17b6f5e2927aa1960927514464d31a15dea04933f546962c2ed0bed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling o2tk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "4bba72dc17b6f5e2927aa1960927514464d31a15dea04933f546962c2ed0bed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bba72dc17b6f5e2927aa1960927514464d31a15dea04933f546962c2ed0bed6", kill_on_drop: false }`
[INFO] [stdout] 4bba72dc17b6f5e2927aa1960927514464d31a15dea04933f546962c2ed0bed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b67286db80ee755b71fa7f1c5e32cd092e554905a7d331ea429bc54ac934903
[INFO] running `Command { std: "docker" "start" "-a" "9b67286db80ee755b71fa7f1c5e32cd092e554905a7d331ea429bc54ac934903", 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/o2tk-c221437fb4faf69f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [stderr]    Doc-tests o2tk
[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" "9b67286db80ee755b71fa7f1c5e32cd092e554905a7d331ea429bc54ac934903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b67286db80ee755b71fa7f1c5e32cd092e554905a7d331ea429bc54ac934903", kill_on_drop: false }`
[INFO] [stdout] 9b67286db80ee755b71fa7f1c5e32cd092e554905a7d331ea429bc54ac934903
