[INFO] fetching crate faster-chars-count 0.3.0...
[INFO] testing faster-chars-count-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate faster-chars-count 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate faster-chars-count 0.3.0
[INFO] finished tweaking crates.io crate faster-chars-count 0.3.0
[INFO] tweaked toml for crates.io crate faster-chars-count 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate faster-chars-count 0.3.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7e2e26974b8e1f52bdf621190f77552b51a8ae1a3be53e4623806036f9caa69f
[INFO] running `Command { std: "docker" "start" "-a" "7e2e26974b8e1f52bdf621190f77552b51a8ae1a3be53e4623806036f9caa69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e2e26974b8e1f52bdf621190f77552b51a8ae1a3be53e4623806036f9caa69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2e26974b8e1f52bdf621190f77552b51a8ae1a3be53e4623806036f9caa69f", kill_on_drop: false }`
[INFO] [stdout] 7e2e26974b8e1f52bdf621190f77552b51a8ae1a3be53e4623806036f9caa69f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a782aa3f23266bffb45714ea8ffe7310278e01c075199d773e0fa5839af74b9c
[INFO] running `Command { std: "docker" "start" "-a" "a782aa3f23266bffb45714ea8ffe7310278e01c075199d773e0fa5839af74b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-chars-count v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "a782aa3f23266bffb45714ea8ffe7310278e01c075199d773e0fa5839af74b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a782aa3f23266bffb45714ea8ffe7310278e01c075199d773e0fa5839af74b9c", kill_on_drop: false }`
[INFO] [stdout] a782aa3f23266bffb45714ea8ffe7310278e01c075199d773e0fa5839af74b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 74a138b84897685133bd18e13e4929c1b66386b3acbb128160bf4ede51233d29
[INFO] running `Command { std: "docker" "start" "-a" "74a138b84897685133bd18e13e4929c1b66386b3acbb128160bf4ede51233d29", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-chars-count v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "74a138b84897685133bd18e13e4929c1b66386b3acbb128160bf4ede51233d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a138b84897685133bd18e13e4929c1b66386b3acbb128160bf4ede51233d29", kill_on_drop: false }`
[INFO] [stdout] 74a138b84897685133bd18e13e4929c1b66386b3acbb128160bf4ede51233d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5a2177682b67837072b348f12047b8de8e0b93bdbba320af4c6f3bf483ef23a4
[INFO] running `Command { std: "docker" "start" "-a" "5a2177682b67837072b348f12047b8de8e0b93bdbba320af4c6f3bf483ef23a4", 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/faster_chars_count-6e1c60626b7b208f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::count_mix1 ... 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 faster_chars_count
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a2177682b67837072b348f12047b8de8e0b93bdbba320af4c6f3bf483ef23a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2177682b67837072b348f12047b8de8e0b93bdbba320af4c6f3bf483ef23a4", kill_on_drop: false }`
[INFO] [stdout] 5a2177682b67837072b348f12047b8de8e0b93bdbba320af4c6f3bf483ef23a4