[INFO] fetching crate cotton-unique 0.1.0...
[INFO] testing cotton-unique-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cotton-unique 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate cotton-unique 0.1.0
[INFO] finished tweaking crates.io crate cotton-unique 0.1.0
[INFO] tweaked toml for crates.io crate cotton-unique 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cotton-unique 0.1.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[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] 9df2b5e5ced9994534b20c0d71f4daedff0b4516c9e07891569024cee4b39344
[INFO] running `Command { std: "docker" "start" "-a" "9df2b5e5ced9994534b20c0d71f4daedff0b4516c9e07891569024cee4b39344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9df2b5e5ced9994534b20c0d71f4daedff0b4516c9e07891569024cee4b39344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df2b5e5ced9994534b20c0d71f4daedff0b4516c9e07891569024cee4b39344", kill_on_drop: false }`
[INFO] [stdout] 9df2b5e5ced9994534b20c0d71f4daedff0b4516c9e07891569024cee4b39344
[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] ea163e19528c317595098b6d742c2a37d883b11df70849a1122ebb078656cf2c
[INFO] running `Command { std: "docker" "start" "-a" "ea163e19528c317595098b6d742c2a37d883b11df70849a1122ebb078656cf2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling cotton-unique v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "ea163e19528c317595098b6d742c2a37d883b11df70849a1122ebb078656cf2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea163e19528c317595098b6d742c2a37d883b11df70849a1122ebb078656cf2c", kill_on_drop: false }`
[INFO] [stdout] ea163e19528c317595098b6d742c2a37d883b11df70849a1122ebb078656cf2c
[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] 3078c8216d040b0ee0fd05c49ce0b6fd99d8537db232a2533a4f5f3f8e575044
[INFO] running `Command { std: "docker" "start" "-a" "3078c8216d040b0ee0fd05c49ce0b6fd99d8537db232a2533a4f5f3f8e575044", kill_on_drop: false }`
[INFO] [stderr]    Compiling cotton-unique v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "3078c8216d040b0ee0fd05c49ce0b6fd99d8537db232a2533a4f5f3f8e575044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3078c8216d040b0ee0fd05c49ce0b6fd99d8537db232a2533a4f5f3f8e575044", kill_on_drop: false }`
[INFO] [stdout] 3078c8216d040b0ee0fd05c49ce0b6fd99d8537db232a2533a4f5f3f8e575044
[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] e720eabb8015864d706a8ff2a3473dacf8776813a864af600b1b5949fb619315
[INFO] running `Command { std: "docker" "start" "-a" "e720eabb8015864d706a8ff2a3473dacf8776813a864af600b1b5949fb619315", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cotton_unique-37102fb5b85e6784)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_mac ... ok
[INFO] [stdout] test tests::test_saltiness2 ... ok
[INFO] [stdout] test tests::test_uuid ... ok
[INFO] [stdout] test tests::test_id ... ok
[INFO] [stdout] test tests::test_id2 ... ok
[INFO] [stdout] test tests::test_saltiness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cotton_unique
[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" "e720eabb8015864d706a8ff2a3473dacf8776813a864af600b1b5949fb619315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e720eabb8015864d706a8ff2a3473dacf8776813a864af600b1b5949fb619315", kill_on_drop: false }`
[INFO] [stdout] e720eabb8015864d706a8ff2a3473dacf8776813a864af600b1b5949fb619315