[INFO] fetching crate rusty_algo 0.2.0...
[INFO] testing rusty_algo-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rusty_algo 0.2.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_algo 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed622b372080816f61e1772cc1198b00fab8ce068fa4479b5f8184ed27743c81
[INFO] running `Command { std: "docker" "start" "-a" "ed622b372080816f61e1772cc1198b00fab8ce068fa4479b5f8184ed27743c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed622b372080816f61e1772cc1198b00fab8ce068fa4479b5f8184ed27743c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed622b372080816f61e1772cc1198b00fab8ce068fa4479b5f8184ed27743c81", kill_on_drop: false }`
[INFO] [stdout] ed622b372080816f61e1772cc1198b00fab8ce068fa4479b5f8184ed27743c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d95907511410b66f48f5bed4fefaf9e2736a731622c40a345a55b76b73934807
[INFO] running `Command { std: "docker" "start" "-a" "d95907511410b66f48f5bed4fefaf9e2736a731622c40a345a55b76b73934807", 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 0.35s
[INFO] running `Command { std: "docker" "inspect" "d95907511410b66f48f5bed4fefaf9e2736a731622c40a345a55b76b73934807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95907511410b66f48f5bed4fefaf9e2736a731622c40a345a55b76b73934807", kill_on_drop: false }`
[INFO] [stdout] d95907511410b66f48f5bed4fefaf9e2736a731622c40a345a55b76b73934807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d039ec20edf7a3bffef7f00ce3362afb8224404d9b1a3c44d4ae98a4f4135151
[INFO] running `Command { std: "docker" "start" "-a" "d039ec20edf7a3bffef7f00ce3362afb8224404d9b1a3c44d4ae98a4f4135151", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]    Compiling libc v0.2.157
[INFO] [stderr]    Compiling num-traits v0.2.19
[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 memchr v2.7.4
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling clap_builder v4.5.15
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling plotters v0.3.6
[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 44.47s
[INFO] running `Command { std: "docker" "inspect" "d039ec20edf7a3bffef7f00ce3362afb8224404d9b1a3c44d4ae98a4f4135151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d039ec20edf7a3bffef7f00ce3362afb8224404d9b1a3c44d4ae98a4f4135151", kill_on_drop: false }`
[INFO] [stdout] d039ec20edf7a3bffef7f00ce3362afb8224404d9b1a3c44d4ae98a4f4135151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6b6ef272862a7a15f5b5657b4c620917299b7f89074e6843894679ebd90e54a
[INFO] running `Command { std: "docker" "start" "-a" "c6b6ef272862a7a15f5b5657b4c620917299b7f89074e6843894679ebd90e54a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_algo-d191e7a64039a583)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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] test sorting::tests::test_insertion_sort_string ... ok
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_algo-cf6aa760b39dfe3e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test book::chapter2::tests::test_insertion_sort ... ok
[INFO] [stderr]    Doc-tests rusty_algo
[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] [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 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6b6ef272862a7a15f5b5657b4c620917299b7f89074e6843894679ebd90e54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b6ef272862a7a15f5b5657b4c620917299b7f89074e6843894679ebd90e54a", kill_on_drop: false }`
[INFO] [stdout] c6b6ef272862a7a15f5b5657b4c620917299b7f89074e6843894679ebd90e54a
