[INFO] fetching crate utf8-width 0.1.7...
[INFO] testing utf8-width-0.1.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate utf8-width 0.1.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate utf8-width 0.1.7
[INFO] finished tweaking crates.io crate utf8-width 0.1.7
[INFO] tweaked toml for crates.io crate utf8-width 0.1.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate utf8-width 0.1.7 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 595c71bbd0eadbb3373be8398397fdf2a67b1e4d21bcc1ee672680ababd097c9
[INFO] running `Command { std: "docker" "start" "-a" "595c71bbd0eadbb3373be8398397fdf2a67b1e4d21bcc1ee672680ababd097c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "595c71bbd0eadbb3373be8398397fdf2a67b1e4d21bcc1ee672680ababd097c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595c71bbd0eadbb3373be8398397fdf2a67b1e4d21bcc1ee672680ababd097c9", kill_on_drop: false }`
[INFO] [stdout] 595c71bbd0eadbb3373be8398397fdf2a67b1e4d21bcc1ee672680ababd097c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c4e817fdc007329e3e75efb5b4e041f1df5c6d285a07ec269508d0c1f15cbe63
[INFO] running `Command { std: "docker" "start" "-a" "c4e817fdc007329e3e75efb5b4e041f1df5c6d285a07ec269508d0c1f15cbe63", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-width v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "c4e817fdc007329e3e75efb5b4e041f1df5c6d285a07ec269508d0c1f15cbe63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e817fdc007329e3e75efb5b4e041f1df5c6d285a07ec269508d0c1f15cbe63", kill_on_drop: false }`
[INFO] [stdout] c4e817fdc007329e3e75efb5b4e041f1df5c6d285a07ec269508d0c1f15cbe63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 130839a04a5de769b0500de7cbdd91bdb7349e9737a6756b52298883f690b179
[INFO] running `Command { std: "docker" "start" "-a" "130839a04a5de769b0500de7cbdd91bdb7349e9737a6756b52298883f690b179", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling utf8-width v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "130839a04a5de769b0500de7cbdd91bdb7349e9737a6756b52298883f690b179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130839a04a5de769b0500de7cbdd91bdb7349e9737a6756b52298883f690b179", kill_on_drop: false }`
[INFO] [stdout] 130839a04a5de769b0500de7cbdd91bdb7349e9737a6756b52298883f690b179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] faee55057e19faa2ac6647dd8be4c3eea1634f381e393248db534e54ae38ea4f
[INFO] running `Command { std: "docker" "start" "-a" "faee55057e19faa2ac6647dd8be4c3eea1634f381e393248db534e54ae38ea4f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utf8_width-bad6e802a616e45e)
[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 utf8_width
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "faee55057e19faa2ac6647dd8be4c3eea1634f381e393248db534e54ae38ea4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faee55057e19faa2ac6647dd8be4c3eea1634f381e393248db534e54ae38ea4f", kill_on_drop: false }`
[INFO] [stdout] faee55057e19faa2ac6647dd8be4c3eea1634f381e393248db534e54ae38ea4f