[INFO] fetching crate my_rust_learn_20250812 3.2010.20772025192168...
[INFO] testing my_rust_learn_20250812-3.2010.20772025192168 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate my_rust_learn_20250812 3.2010.20772025192168 into /workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate my_rust_learn_20250812 3.2010.20772025192168 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 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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 68c0307ca8bd7b5432958a510ca3e5f96afa3050a730e478100e75c6c85a4e52
[INFO] running `Command { std: "docker" "start" "-a" "68c0307ca8bd7b5432958a510ca3e5f96afa3050a730e478100e75c6c85a4e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c0307ca8bd7b5432958a510ca3e5f96afa3050a730e478100e75c6c85a4e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c0307ca8bd7b5432958a510ca3e5f96afa3050a730e478100e75c6c85a4e52", kill_on_drop: false }`
[INFO] [stdout] 68c0307ca8bd7b5432958a510ca3e5f96afa3050a730e478100e75c6c85a4e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 812355a4174f977784aeac99995fb817e945d3dc4432ca9958a4679fc5e15a82
[INFO] running `Command { std: "docker" "start" "-a" "812355a4174f977784aeac99995fb817e945d3dc4432ca9958a4679fc5e15a82", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling textwrap v0.16.2
[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 9.37s
[INFO] running `Command { std: "docker" "inspect" "812355a4174f977784aeac99995fb817e945d3dc4432ca9958a4679fc5e15a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812355a4174f977784aeac99995fb817e945d3dc4432ca9958a4679fc5e15a82", kill_on_drop: false }`
[INFO] [stdout] 812355a4174f977784aeac99995fb817e945d3dc4432ca9958a4679fc5e15a82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4c64c14c438f579b8f3b84d9c79425384a89115da650151cf7b952ea78720bf6
[INFO] running `Command { std: "docker" "start" "-a" "4c64c14c438f579b8f3b84d9c79425384a89115da650151cf7b952ea78720bf6", 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 0.55s
[INFO] running `Command { std: "docker" "inspect" "4c64c14c438f579b8f3b84d9c79425384a89115da650151cf7b952ea78720bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c64c14c438f579b8f3b84d9c79425384a89115da650151cf7b952ea78720bf6", kill_on_drop: false }`
[INFO] [stdout] 4c64c14c438f579b8f3b84d9c79425384a89115da650151cf7b952ea78720bf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a3c6ee3a7828368046e37590be040f0cb42c34f0feb9863f426d8150b2f1fb8d
[INFO] running `Command { std: "docker" "start" "-a" "a3c6ee3a7828368046e37590be040f0cb42c34f0feb9863f426d8150b2f1fb8d", 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 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/my_rust_learn_20250812-53ada559e45c3d65)
[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 ... 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] 
[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_20250812-74a8249d1ee1f345)
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-94240214eeda8258)
[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] [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 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.47s; merged doctests compilation took 0.46s
[INFO] running `Command { std: "docker" "inspect" "a3c6ee3a7828368046e37590be040f0cb42c34f0feb9863f426d8150b2f1fb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c6ee3a7828368046e37590be040f0cb42c34f0feb9863f426d8150b2f1fb8d", kill_on_drop: false }`
[INFO] [stdout] a3c6ee3a7828368046e37590be040f0cb42c34f0feb9863f426d8150b2f1fb8d
