[INFO] fetching crate is 0.6.0...
[INFO] testing is-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate is 0.6.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate is 0.6.0
[INFO] finished tweaking crates.io crate is 0.6.0
[INFO] tweaked toml for crates.io crate is 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate is 0.6.0 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] 992b62fc0b8c088fdb517e1210cdb01763400dc5467649506cacabe2f6416c78
[INFO] running `Command { std: "docker" "start" "-a" "992b62fc0b8c088fdb517e1210cdb01763400dc5467649506cacabe2f6416c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "992b62fc0b8c088fdb517e1210cdb01763400dc5467649506cacabe2f6416c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992b62fc0b8c088fdb517e1210cdb01763400dc5467649506cacabe2f6416c78", kill_on_drop: false }`
[INFO] [stdout] 992b62fc0b8c088fdb517e1210cdb01763400dc5467649506cacabe2f6416c78
[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] bedeebe5b3ac31f1ebd5e0c3ef79575f78a72def54fe40af85b0065b45e7d18e
[INFO] running `Command { std: "docker" "start" "-a" "bedeebe5b3ac31f1ebd5e0c3ef79575f78a72def54fe40af85b0065b45e7d18e", kill_on_drop: false }`
[INFO] [stderr]    Compiling is v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "bedeebe5b3ac31f1ebd5e0c3ef79575f78a72def54fe40af85b0065b45e7d18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bedeebe5b3ac31f1ebd5e0c3ef79575f78a72def54fe40af85b0065b45e7d18e", kill_on_drop: false }`
[INFO] [stdout] bedeebe5b3ac31f1ebd5e0c3ef79575f78a72def54fe40af85b0065b45e7d18e
[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] 022d815ca18434ccbd1393b7ad3219788a9bfe3035f45eaab92a8a1a5bdf2b6a
[INFO] running `Command { std: "docker" "start" "-a" "022d815ca18434ccbd1393b7ad3219788a9bfe3035f45eaab92a8a1a5bdf2b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling is v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "022d815ca18434ccbd1393b7ad3219788a9bfe3035f45eaab92a8a1a5bdf2b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022d815ca18434ccbd1393b7ad3219788a9bfe3035f45eaab92a8a1a5bdf2b6a", kill_on_drop: false }`
[INFO] [stdout] 022d815ca18434ccbd1393b7ad3219788a9bfe3035f45eaab92a8a1a5bdf2b6a
[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] ab26a56a6f96ae60bc17eecdd61acf3a0bfeac2fdd64a2c33c6da8cd35c27bb8
[INFO] running `Command { std: "docker" "start" "-a" "ab26a56a6f96ae60bc17eecdd61acf3a0bfeac2fdd64a2c33c6da8cd35c27bb8", 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/is-623155bd67edcbe6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests is
[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] [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" "ab26a56a6f96ae60bc17eecdd61acf3a0bfeac2fdd64a2c33c6da8cd35c27bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab26a56a6f96ae60bc17eecdd61acf3a0bfeac2fdd64a2c33c6da8cd35c27bb8", kill_on_drop: false }`
[INFO] [stdout] ab26a56a6f96ae60bc17eecdd61acf3a0bfeac2fdd64a2c33c6da8cd35c27bb8