[INFO] fetching crate laburnum 1.16.1...
[INFO] testing laburnum-1.16.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate laburnum 1.16.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate laburnum 1.16.1
[INFO] finished tweaking crates.io crate laburnum 1.16.1
[INFO] tweaked toml for crates.io crate laburnum 1.16.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate laburnum 1.16.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f862bc5d6594947fcbba6aeddba05e29b196060a38ec29181adc2accaeecc79
[INFO] running `Command { std: "docker" "start" "-a" "0f862bc5d6594947fcbba6aeddba05e29b196060a38ec29181adc2accaeecc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f862bc5d6594947fcbba6aeddba05e29b196060a38ec29181adc2accaeecc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f862bc5d6594947fcbba6aeddba05e29b196060a38ec29181adc2accaeecc79", kill_on_drop: false }`
[INFO] [stdout] 0f862bc5d6594947fcbba6aeddba05e29b196060a38ec29181adc2accaeecc79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f8a4b839ba9b1626407e336ba4d0e5c02dea509c41b9afe240fd113b43fce20
[INFO] running `Command { std: "docker" "start" "-a" "8f8a4b839ba9b1626407e336ba4d0e5c02dea509c41b9afe240fd113b43fce20", kill_on_drop: false }`
[INFO] [stderr]    Compiling laburnum v1.16.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "8f8a4b839ba9b1626407e336ba4d0e5c02dea509c41b9afe240fd113b43fce20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8a4b839ba9b1626407e336ba4d0e5c02dea509c41b9afe240fd113b43fce20", kill_on_drop: false }`
[INFO] [stdout] 8f8a4b839ba9b1626407e336ba4d0e5c02dea509c41b9afe240fd113b43fce20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76f46f35886c78b6a531ae0ad850446d16ed3ad0bc67a7ab9511122190e92701
[INFO] running `Command { std: "docker" "start" "-a" "76f46f35886c78b6a531ae0ad850446d16ed3ad0bc67a7ab9511122190e92701", kill_on_drop: false }`
[INFO] [stderr]    Compiling laburnum v1.16.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "76f46f35886c78b6a531ae0ad850446d16ed3ad0bc67a7ab9511122190e92701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f46f35886c78b6a531ae0ad850446d16ed3ad0bc67a7ab9511122190e92701", kill_on_drop: false }`
[INFO] [stdout] 76f46f35886c78b6a531ae0ad850446d16ed3ad0bc67a7ab9511122190e92701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91865d64be9e699a39703d71bb5b83895467e0dae3855d31151101e5fcb4e7df
[INFO] running `Command { std: "docker" "start" "-a" "91865d64be9e699a39703d71bb5b83895467e0dae3855d31151101e5fcb4e7df", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/laburnum-7d92169ff4555314)
[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 laburnum
[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" "91865d64be9e699a39703d71bb5b83895467e0dae3855d31151101e5fcb4e7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91865d64be9e699a39703d71bb5b83895467e0dae3855d31151101e5fcb4e7df", kill_on_drop: false }`
[INFO] [stdout] 91865d64be9e699a39703d71bb5b83895467e0dae3855d31151101e5fcb4e7df