[INFO] fetching crate is_trait 0.1.4...
[INFO] testing is_trait-0.1.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate is_trait 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate is_trait 0.1.4
[INFO] finished tweaking crates.io crate is_trait 0.1.4
[INFO] tweaked toml for crates.io crate is_trait 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate is_trait 0.1.4 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-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] d952d5d6c63c788808825bb4124fbdefc1a09284ff7b2ee42f9ba67bde4e1b98
[INFO] running `Command { std: "docker" "start" "-a" "d952d5d6c63c788808825bb4124fbdefc1a09284ff7b2ee42f9ba67bde4e1b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d952d5d6c63c788808825bb4124fbdefc1a09284ff7b2ee42f9ba67bde4e1b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d952d5d6c63c788808825bb4124fbdefc1a09284ff7b2ee42f9ba67bde4e1b98", kill_on_drop: false }`
[INFO] [stdout] d952d5d6c63c788808825bb4124fbdefc1a09284ff7b2ee42f9ba67bde4e1b98
[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] c18a51a0f6c5c99a69b51367594c6db5fdb12e138c4ac119d34e98c57783624f
[INFO] running `Command { std: "docker" "start" "-a" "c18a51a0f6c5c99a69b51367594c6db5fdb12e138c4ac119d34e98c57783624f", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_trait v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "c18a51a0f6c5c99a69b51367594c6db5fdb12e138c4ac119d34e98c57783624f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c18a51a0f6c5c99a69b51367594c6db5fdb12e138c4ac119d34e98c57783624f", kill_on_drop: false }`
[INFO] [stdout] c18a51a0f6c5c99a69b51367594c6db5fdb12e138c4ac119d34e98c57783624f
[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] f3b52b9353531a1579f963091e21e389242ddb45ccdba1fdc7b1202c36cf853c
[INFO] running `Command { std: "docker" "start" "-a" "f3b52b9353531a1579f963091e21e389242ddb45ccdba1fdc7b1202c36cf853c", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_trait v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "f3b52b9353531a1579f963091e21e389242ddb45ccdba1fdc7b1202c36cf853c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b52b9353531a1579f963091e21e389242ddb45ccdba1fdc7b1202c36cf853c", kill_on_drop: false }`
[INFO] [stdout] f3b52b9353531a1579f963091e21e389242ddb45ccdba1fdc7b1202c36cf853c
[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] 5ab5d11133ec3645bc14f53c854b675a3db03f43c5e6c3844a449cbb4a84f7bf
[INFO] running `Command { std: "docker" "start" "-a" "5ab5d11133ec3645bc14f53c854b675a3db03f43c5e6c3844a449cbb4a84f7bf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/is_trait-93e481ab5504ca80)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests is_trait
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... 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" "5ab5d11133ec3645bc14f53c854b675a3db03f43c5e6c3844a449cbb4a84f7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab5d11133ec3645bc14f53c854b675a3db03f43c5e6c3844a449cbb4a84f7bf", kill_on_drop: false }`
[INFO] [stdout] 5ab5d11133ec3645bc14f53c854b675a3db03f43c5e6c3844a449cbb4a84f7bf