[INFO] fetching crate mj_io 0.1.5...
[INFO] testing mj_io-0.1.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mj_io 0.1.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mj_io 0.1.5
[INFO] finished tweaking crates.io crate mj_io 0.1.5
[INFO] tweaked toml for crates.io crate mj_io 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mj_io 0.1.5 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 mj_io 0.1.5 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8ea72c3fc250cbc1ef16be632a3194a55c2a2ac43255f140c2eab5f7565318b4
[INFO] running `Command { std: "docker" "start" "-a" "8ea72c3fc250cbc1ef16be632a3194a55c2a2ac43255f140c2eab5f7565318b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea72c3fc250cbc1ef16be632a3194a55c2a2ac43255f140c2eab5f7565318b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea72c3fc250cbc1ef16be632a3194a55c2a2ac43255f140c2eab5f7565318b4", kill_on_drop: false }`
[INFO] [stdout] 8ea72c3fc250cbc1ef16be632a3194a55c2a2ac43255f140c2eab5f7565318b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b80951b4d8156fdc3cdbb7e5ea8e8de6ff63b909a62431c0dd283e9508a317d5
[INFO] running `Command { std: "docker" "start" "-a" "b80951b4d8156fdc3cdbb7e5ea8e8de6ff63b909a62431c0dd283e9508a317d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.4
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling console v0.15.10
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]    Compiling indicatif v0.17.11
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling mj_io v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.89s
[INFO] running `Command { std: "docker" "inspect" "b80951b4d8156fdc3cdbb7e5ea8e8de6ff63b909a62431c0dd283e9508a317d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80951b4d8156fdc3cdbb7e5ea8e8de6ff63b909a62431c0dd283e9508a317d5", kill_on_drop: false }`
[INFO] [stdout] b80951b4d8156fdc3cdbb7e5ea8e8de6ff63b909a62431c0dd283e9508a317d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e9ee84460c5793bb08ad62969b7f076da4b0c5cafc22f634cfae766c261eba20
[INFO] running `Command { std: "docker" "start" "-a" "e9ee84460c5793bb08ad62969b7f076da4b0c5cafc22f634cfae766c261eba20", kill_on_drop: false }`
[INFO] [stderr]    Compiling mj_io v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "e9ee84460c5793bb08ad62969b7f076da4b0c5cafc22f634cfae766c261eba20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ee84460c5793bb08ad62969b7f076da4b0c5cafc22f634cfae766c261eba20", kill_on_drop: false }`
[INFO] [stdout] e9ee84460c5793bb08ad62969b7f076da4b0c5cafc22f634cfae766c261eba20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 22283aeb455a277f4b8f83d3b4f039916bc9b0936bd5139cc08a0435650d8d80
[INFO] running `Command { std: "docker" "start" "-a" "22283aeb455a277f4b8f83d3b4f039916bc9b0936bd5139cc08a0435650d8d80", 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/mj_io-05a2468c0ef1989a)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mj_io-c3583e6ec5c37ed9)
[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 mj_io
[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" "22283aeb455a277f4b8f83d3b4f039916bc9b0936bd5139cc08a0435650d8d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22283aeb455a277f4b8f83d3b4f039916bc9b0936bd5139cc08a0435650d8d80", kill_on_drop: false }`
[INFO] [stdout] 22283aeb455a277f4b8f83d3b4f039916bc9b0936bd5139cc08a0435650d8d80