[INFO] fetching crate rusty_algo 0.2.0...
[INFO] testing rusty_algo-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rusty_algo 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rusty_algo 0.2.0
[INFO] finished tweaking crates.io crate rusty_algo 0.2.0
[INFO] tweaked toml for crates.io crate rusty_algo 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_algo 0.2.0 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 rusty_algo 0.2.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 713006ed2cc9a92f7d715be27938f7d3f2c7c5340e87eded0343e891ec9b4727
[INFO] running `Command { std: "docker" "start" "-a" "713006ed2cc9a92f7d715be27938f7d3f2c7c5340e87eded0343e891ec9b4727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "713006ed2cc9a92f7d715be27938f7d3f2c7c5340e87eded0343e891ec9b4727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713006ed2cc9a92f7d715be27938f7d3f2c7c5340e87eded0343e891ec9b4727", kill_on_drop: false }`
[INFO] [stdout] 713006ed2cc9a92f7d715be27938f7d3f2c7c5340e87eded0343e891ec9b4727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 88f978237804506f6c4065068affd9cc3e8f71379885d73c0a0eea66e6226b6c
[INFO] running `Command { std: "docker" "start" "-a" "88f978237804506f6c4065068affd9cc3e8f71379885d73c0a0eea66e6226b6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_algo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "88f978237804506f6c4065068affd9cc3e8f71379885d73c0a0eea66e6226b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f978237804506f6c4065068affd9cc3e8f71379885d73c0a0eea66e6226b6c", kill_on_drop: false }`
[INFO] [stdout] 88f978237804506f6c4065068affd9cc3e8f71379885d73c0a0eea66e6226b6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 26e1f096fdb44fd035e26f243705355c232442844273b694f2b42426d0c7a062
[INFO] running `Command { std: "docker" "start" "-a" "26e1f096fdb44fd035e26f243705355c232442844273b694f2b42426d0c7a062", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]    Compiling libc v0.2.157
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.16
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling rusty_algo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 43.62s
[INFO] running `Command { std: "docker" "inspect" "26e1f096fdb44fd035e26f243705355c232442844273b694f2b42426d0c7a062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e1f096fdb44fd035e26f243705355c232442844273b694f2b42426d0c7a062", kill_on_drop: false }`
[INFO] [stdout] 26e1f096fdb44fd035e26f243705355c232442844273b694f2b42426d0c7a062
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7a3443a700c4c11bc767242703c6245a55da4726ac3aec0e4f7a4a0dbb1dffe3
[INFO] running `Command { std: "docker" "start" "-a" "7a3443a700c4c11bc767242703c6245a55da4726ac3aec0e4f7a4a0dbb1dffe3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_algo-dac022b2a8a8fc58)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test sorting::tests::test_insertion_sort_string ... ok
[INFO] [stdout] test sorting::tests::test_merge_sort_i32 ... ok
[INFO] [stdout] test sorting::tests::test_merge_sort_string ... ok
[INFO] [stdout] test sorting::tests::test_insertion_sort_i32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_algo-b4ac9d86d1d4e838)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test book::chapter2::tests::test_insertion_sort ... ok
[INFO] [stdout] test book::chapter2::tests::test_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusty_algo
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/sorting.rs - sorting (line 13) ... ok
[INFO] [stdout] test src/sorting.rs - sorting (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a3443a700c4c11bc767242703c6245a55da4726ac3aec0e4f7a4a0dbb1dffe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3443a700c4c11bc767242703c6245a55da4726ac3aec0e4f7a4a0dbb1dffe3", kill_on_drop: false }`
[INFO] [stdout] 7a3443a700c4c11bc767242703c6245a55da4726ac3aec0e4f7a4a0dbb1dffe3