[INFO] fetching crate similarity-trait 1.0.0...
[INFO] testing similarity-trait-1.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate similarity-trait 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate similarity-trait 1.0.0
[INFO] finished tweaking crates.io crate similarity-trait 1.0.0
[INFO] tweaked toml for crates.io crate similarity-trait 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate similarity-trait 1.0.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate similarity-trait 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4af7eb8f6d584b8181e926bcc0cb08befe0733a967305a26435966819dce80a3
[INFO] running `Command { std: "docker" "start" "-a" "4af7eb8f6d584b8181e926bcc0cb08befe0733a967305a26435966819dce80a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4af7eb8f6d584b8181e926bcc0cb08befe0733a967305a26435966819dce80a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af7eb8f6d584b8181e926bcc0cb08befe0733a967305a26435966819dce80a3", kill_on_drop: false }`
[INFO] [stdout] 4af7eb8f6d584b8181e926bcc0cb08befe0733a967305a26435966819dce80a3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf8ec872969947965607e0f3b4045d4cb693c39c8a7f09becfceaacd4c840c7
[INFO] running `Command { std: "docker" "start" "-a" "8bf8ec872969947965607e0f3b4045d4cb693c39c8a7f09becfceaacd4c840c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling similarity-trait v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "8bf8ec872969947965607e0f3b4045d4cb693c39c8a7f09becfceaacd4c840c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf8ec872969947965607e0f3b4045d4cb693c39c8a7f09becfceaacd4c840c7", kill_on_drop: false }`
[INFO] [stdout] 8bf8ec872969947965607e0f3b4045d4cb693c39c8a7f09becfceaacd4c840c7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6af42b1da46121827c0f1f7b53a0e73487586f12333b7ab9a53a152e2cca3420
[INFO] running `Command { std: "docker" "start" "-a" "6af42b1da46121827c0f1f7b53a0e73487586f12333b7ab9a53a152e2cca3420", kill_on_drop: false }`
[INFO] [stderr]    Compiling similarity-trait v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "6af42b1da46121827c0f1f7b53a0e73487586f12333b7ab9a53a152e2cca3420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af42b1da46121827c0f1f7b53a0e73487586f12333b7ab9a53a152e2cca3420", kill_on_drop: false }`
[INFO] [stdout] 6af42b1da46121827c0f1f7b53a0e73487586f12333b7ab9a53a152e2cca3420
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87571609952e607968976c77094b4f31f1fd3b711a1113bfaa7864a94356d3a7
[INFO] running `Command { std: "docker" "start" "-a" "87571609952e607968976c77094b4f31f1fd3b711a1113bfaa7864a94356d3a7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/similarity_trait-86bf11862aaac064)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::hamming_distance_for_a_collection_of_strings::test ... ok
[INFO] [stdout] test tests::population_standard_deviation::test ... ok
[INFO] [stdout] test tests::hamming_distance_for_a_pair_of_strings::test ... ok
[INFO] [stdout] test tests::percent_change::test ... ok
[INFO] [stderr]    Doc-tests similarity_trait
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] test src/lib.rs - (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.70s; merged doctests compilation took 0.69s
[INFO] running `Command { std: "docker" "inspect" "87571609952e607968976c77094b4f31f1fd3b711a1113bfaa7864a94356d3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87571609952e607968976c77094b4f31f1fd3b711a1113bfaa7864a94356d3a7", kill_on_drop: false }`
[INFO] [stdout] 87571609952e607968976c77094b4f31f1fd3b711a1113bfaa7864a94356d3a7