[INFO] fetching crate my_rust_learn_20250812 3.2010.20772025192168... [INFO] testing my_rust_learn_20250812-3.2010.20772025192168 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate my_rust_learn_20250812 3.2010.20772025192168 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate my_rust_learn_20250812 3.2010.20772025192168 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ferris-says v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76a84dd8136ae2a63c11088b19bb12061beb8cf49c66f07557aaf0311a8e7e95 [INFO] running `Command { std: "docker" "start" "-a" "76a84dd8136ae2a63c11088b19bb12061beb8cf49c66f07557aaf0311a8e7e95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76a84dd8136ae2a63c11088b19bb12061beb8cf49c66f07557aaf0311a8e7e95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76a84dd8136ae2a63c11088b19bb12061beb8cf49c66f07557aaf0311a8e7e95", kill_on_drop: false }` [INFO] [stdout] 76a84dd8136ae2a63c11088b19bb12061beb8cf49c66f07557aaf0311a8e7e95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 106824942c1f0d3bcced3c570c98ec874ca214976f46e560ee7d58d6ebcc9925 [INFO] running `Command { std: "docker" "start" "-a" "106824942c1f0d3bcced3c570c98ec874ca214976f46e560ee7d58d6ebcc9925", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [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 unicode-width v0.1.14 [INFO] [stderr] Compiling textwrap v0.16.2 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling regex-automata v0.4.9 [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 9.21s [INFO] running `Command { std: "docker" "inspect" "106824942c1f0d3bcced3c570c98ec874ca214976f46e560ee7d58d6ebcc9925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "106824942c1f0d3bcced3c570c98ec874ca214976f46e560ee7d58d6ebcc9925", kill_on_drop: false }` [INFO] [stdout] 106824942c1f0d3bcced3c570c98ec874ca214976f46e560ee7d58d6ebcc9925 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 634cdf79a1128befdb2879ef920ff405239d2c7544206942babe59a0aeed1409 [INFO] running `Command { std: "docker" "start" "-a" "634cdf79a1128befdb2879ef920ff405239d2c7544206942babe59a0aeed1409", 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 0.99s [INFO] running `Command { std: "docker" "inspect" "634cdf79a1128befdb2879ef920ff405239d2c7544206942babe59a0aeed1409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "634cdf79a1128befdb2879ef920ff405239d2c7544206942babe59a0aeed1409", kill_on_drop: false }` [INFO] [stdout] 634cdf79a1128befdb2879ef920ff405239d2c7544206942babe59a0aeed1409 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 93a05f5a115885618f103d14ab47d210c573906832b919feaefcb8a50fbe26da [INFO] running `Command { std: "docker" "start" "-a" "93a05f5a115885618f103d14ab47d210c573906832b919feaefcb8a50fbe26da", 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 [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-e8da80f013f5ca18) [INFO] [stdout] [INFO] [stdout] running 4 tests [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_case_insensitive ... ok [INFO] [stdout] test c12_grep_lib::tests::search_one_result ... ok [INFO] [stdout] test c13_3_grep_lib_improve::tests::search_one_result ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/my_rust_learn_20250812-0b8aa6ab6eb745ba) [INFO] [stdout] [INFO] [stderr] Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-bd93368c57774c84) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests my_rust_learn_20250812 [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] [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] [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 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "93a05f5a115885618f103d14ab47d210c573906832b919feaefcb8a50fbe26da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93a05f5a115885618f103d14ab47d210c573906832b919feaefcb8a50fbe26da", kill_on_drop: false }` [INFO] [stdout] 93a05f5a115885618f103d14ab47d210c573906832b919feaefcb8a50fbe26da