[INFO] fetching crate xmp-writer 0.3.2...
[INFO] testing xmp-writer-0.3.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate xmp-writer 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate xmp-writer 0.3.2
[INFO] finished tweaking crates.io crate xmp-writer 0.3.2
[INFO] tweaked toml for crates.io crate xmp-writer 0.3.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xmp-writer 0.3.2 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] crate crates.io crate xmp-writer 0.3.2 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6f35f3c705138c8ff092e7c47ef9e221654c54e7c7d7b9a2efbd5490dcf95249
[INFO] running `Command { std: "docker" "start" "-a" "6f35f3c705138c8ff092e7c47ef9e221654c54e7c7d7b9a2efbd5490dcf95249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f35f3c705138c8ff092e7c47ef9e221654c54e7c7d7b9a2efbd5490dcf95249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f35f3c705138c8ff092e7c47ef9e221654c54e7c7d7b9a2efbd5490dcf95249", kill_on_drop: false }`
[INFO] [stdout] 6f35f3c705138c8ff092e7c47ef9e221654c54e7c7d7b9a2efbd5490dcf95249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4a2a3b18f899e8391621b09e891838f7515e4ea13bd94e679e02cf98c89da962
[INFO] running `Command { std: "docker" "start" "-a" "4a2a3b18f899e8391621b09e891838f7515e4ea13bd94e679e02cf98c89da962", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmp-writer v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "4a2a3b18f899e8391621b09e891838f7515e4ea13bd94e679e02cf98c89da962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2a3b18f899e8391621b09e891838f7515e4ea13bd94e679e02cf98c89da962", kill_on_drop: false }`
[INFO] [stdout] 4a2a3b18f899e8391621b09e891838f7515e4ea13bd94e679e02cf98c89da962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 215e5d762ffdd9cb1483a97993c776f3e72478bb30f24286520a35ec2a2de2ef
[INFO] running `Command { std: "docker" "start" "-a" "215e5d762ffdd9cb1483a97993c776f3e72478bb30f24286520a35ec2a2de2ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmp-writer v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "215e5d762ffdd9cb1483a97993c776f3e72478bb30f24286520a35ec2a2de2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215e5d762ffdd9cb1483a97993c776f3e72478bb30f24286520a35ec2a2de2ef", kill_on_drop: false }`
[INFO] [stdout] 215e5d762ffdd9cb1483a97993c776f3e72478bb30f24286520a35ec2a2de2ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 93260d2424c3b2d9e97e0a2055c35a0656cc5385c23ceb3d8f343451ba38f907
[INFO] running `Command { std: "docker" "start" "-a" "93260d2424c3b2d9e97e0a2055c35a0656cc5385c23ceb3d8f343451ba38f907", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xmp_writer-70407308a1b92146)
[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 xmp_writer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93260d2424c3b2d9e97e0a2055c35a0656cc5385c23ceb3d8f343451ba38f907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93260d2424c3b2d9e97e0a2055c35a0656cc5385c23ceb3d8f343451ba38f907", kill_on_drop: false }`
[INFO] [stdout] 93260d2424c3b2d9e97e0a2055c35a0656cc5385c23ceb3d8f343451ba38f907