[INFO] fetching crate cool-id-generator 1.0.1...
[INFO] testing cool-id-generator-1.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cool-id-generator 1.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate cool-id-generator 1.0.1
[INFO] finished tweaking crates.io crate cool-id-generator 1.0.1
[INFO] tweaked toml for crates.io crate cool-id-generator 1.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cool-id-generator 1.0.1 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 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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] a029a76bfb9a38728e644f12217a20e3beac0531ce87edb40eb8417d87e39744
[INFO] running `Command { std: "docker" "start" "-a" "a029a76bfb9a38728e644f12217a20e3beac0531ce87edb40eb8417d87e39744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a029a76bfb9a38728e644f12217a20e3beac0531ce87edb40eb8417d87e39744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a029a76bfb9a38728e644f12217a20e3beac0531ce87edb40eb8417d87e39744", kill_on_drop: false }`
[INFO] [stdout] a029a76bfb9a38728e644f12217a20e3beac0531ce87edb40eb8417d87e39744
[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] f84356d929016c58493b4f16299d4f2125b1eb7f3df02264f1de123b980cfc12
[INFO] running `Command { std: "docker" "start" "-a" "f84356d929016c58493b4f16299d4f2125b1eb7f3df02264f1de123b980cfc12", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cool-id-generator v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "f84356d929016c58493b4f16299d4f2125b1eb7f3df02264f1de123b980cfc12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84356d929016c58493b4f16299d4f2125b1eb7f3df02264f1de123b980cfc12", kill_on_drop: false }`
[INFO] [stdout] f84356d929016c58493b4f16299d4f2125b1eb7f3df02264f1de123b980cfc12
[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] b47e322b2bb54756d8b860a0d2f699122726507f99d08cc71617f515b6812153
[INFO] running `Command { std: "docker" "start" "-a" "b47e322b2bb54756d8b860a0d2f699122726507f99d08cc71617f515b6812153", kill_on_drop: false }`
[INFO] [stderr]    Compiling cool-id-generator v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "b47e322b2bb54756d8b860a0d2f699122726507f99d08cc71617f515b6812153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47e322b2bb54756d8b860a0d2f699122726507f99d08cc71617f515b6812153", kill_on_drop: false }`
[INFO] [stdout] b47e322b2bb54756d8b860a0d2f699122726507f99d08cc71617f515b6812153
[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] 3564748e50c5eb867c399ce9e7fa595d709f66a1590989e7ab39d1e7c38605ec
[INFO] running `Command { std: "docker" "start" "-a" "3564748e50c5eb867c399ce9e7fa595d709f66a1590989e7ab39d1e7c38605ec", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cool_id_generator-f9aba2f88c929580)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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 cool_id_generator
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Size (line 78) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3564748e50c5eb867c399ce9e7fa595d709f66a1590989e7ab39d1e7c38605ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3564748e50c5eb867c399ce9e7fa595d709f66a1590989e7ab39d1e7c38605ec", kill_on_drop: false }`
[INFO] [stdout] 3564748e50c5eb867c399ce9e7fa595d709f66a1590989e7ab39d1e7c38605ec