[INFO] fetching crate my_rust_learn_20250812 3.2010.20772025192168... [INFO] testing my_rust_learn_20250812-3.2010.20772025192168 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate my_rust_learn_20250812 3.2010.20772025192168 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate my_rust_learn_20250812 3.2010.20772025192168 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate my_rust_learn_20250812 3.2010.20772025192168 [INFO] tweaked toml for crates.io crate my_rust_learn_20250812 3.2010.20772025192168 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate my_rust_learn_20250812 3.2010.20772025192168 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate my_rust_learn_20250812 3.2010.20772025192168 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cfg-if v1.0.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.96 [INFO] [stderr] Downloaded unicode-ident v1.0.18 [INFO] [stderr] Downloaded smawk v0.3.2 [INFO] [stderr] Downloaded ferris-says v0.3.2 [INFO] [stderr] Downloaded quote v1.0.40 [INFO] [stderr] Downloaded getrandom v0.2.16 [INFO] [stderr] Downloaded zerocopy-derive v0.8.26 [INFO] [stderr] Downloaded memchr v2.7.5 [INFO] [stderr] Downloaded syn v2.0.104 [INFO] [stderr] Downloaded regex v1.11.1 [INFO] [stderr] Downloaded zerocopy v0.8.26 [INFO] [stderr] Downloaded regex-automata v0.4.9 [INFO] [stderr] Downloaded libc v0.2.174 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b260c5dbc024c9e8eabbee77bfce721e015005ab7068b4700df18062a305d76e [INFO] running `Command { std: "docker" "start" "-a" "b260c5dbc024c9e8eabbee77bfce721e015005ab7068b4700df18062a305d76e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b260c5dbc024c9e8eabbee77bfce721e015005ab7068b4700df18062a305d76e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b260c5dbc024c9e8eabbee77bfce721e015005ab7068b4700df18062a305d76e", kill_on_drop: false }` [INFO] [stdout] b260c5dbc024c9e8eabbee77bfce721e015005ab7068b4700df18062a305d76e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46bc1f62ada8f9c853e1f20a0614080794207ddc4481b0bb804c6d59339e1e95 [INFO] running `Command { std: "docker" "start" "-a" "46bc1f62ada8f9c853e1f20a0614080794207ddc4481b0bb804c6d59339e1e95", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling smawk v0.3.2 [INFO] [stderr] Compiling unicode-linebreak v0.1.5 [INFO] [stderr] Compiling unicode-width v0.2.1 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling textwrap v0.16.2 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling ferris-says v0.3.2 [INFO] [stderr] Compiling my_rust_learn_20250812 v3.2010.20772025192168 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib.rs:36:34 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.83s [INFO] running `Command { std: "docker" "inspect" "46bc1f62ada8f9c853e1f20a0614080794207ddc4481b0bb804c6d59339e1e95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46bc1f62ada8f9c853e1f20a0614080794207ddc4481b0bb804c6d59339e1e95", kill_on_drop: false }` [INFO] [stdout] 46bc1f62ada8f9c853e1f20a0614080794207ddc4481b0bb804c6d59339e1e95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1be25a467f5763b8917e28cfce40cdc7597cc5165dc4d872646d4ea35c16643 [INFO] running `Command { std: "docker" "start" "-a" "c1be25a467f5763b8917e28cfce40cdc7597cc5165dc4d872646d4ea35c16643", kill_on_drop: false }` [INFO] [stderr] Compiling my_rust_learn_20250812 v3.2010.20772025192168 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib.rs:36:34 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib.rs:36:34 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "c1be25a467f5763b8917e28cfce40cdc7597cc5165dc4d872646d4ea35c16643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1be25a467f5763b8917e28cfce40cdc7597cc5165dc4d872646d4ea35c16643", kill_on_drop: false }` [INFO] [stdout] c1be25a467f5763b8917e28cfce40cdc7597cc5165dc4d872646d4ea35c16643 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a76e761612f2e9f017eee4f0107123ca195147eac6bc24e140ccb94af48ddc97 [INFO] running `Command { std: "docker" "start" "-a" "a76e761612f2e9f017eee4f0107123ca195147eac6bc24e140ccb94af48ddc97", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `c1` [INFO] [stderr] --> src/lib.rs:36:16 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c2` [INFO] [stderr] --> src/lib.rs:36:34 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stderr] [INFO] [stderr] warning: `my_rust_learn_20250812` (lib) generated 2 warnings (run `cargo fix --lib -p my_rust_learn_20250812` to apply 2 suggestions) [INFO] [stderr] warning: `my_rust_learn_20250812` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/my_rust_learn_20250812-8d72aac86458841f) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test c12_grep_lib::tests::search_one_result ... ok [INFO] [stdout] test c12_grep_lib::tests::search_one_result_case_insensitive ... ok [INFO] [stdout] test c13_3_grep_lib_improve::tests::search_one_result ... ok [INFO] [stdout] test c13_3_grep_lib_improve::tests::search_one_result_case_insensitive ... 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/my_rust_learn_20250812-cf06fe19b378bc56) [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] [stderr] Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-c7c21232e522aabd) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test integration_t1 ... 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 my_rust_learn_20250812 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/c13_3_grep_lib_improve.rs - c13_3_grep_lib_improve::search (line 10) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.64s [INFO] running `Command { std: "docker" "inspect" "a76e761612f2e9f017eee4f0107123ca195147eac6bc24e140ccb94af48ddc97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a76e761612f2e9f017eee4f0107123ca195147eac6bc24e140ccb94af48ddc97", kill_on_drop: false }` [INFO] [stdout] a76e761612f2e9f017eee4f0107123ca195147eac6bc24e140ccb94af48ddc97