[INFO] cloning repository https://github.com/kzhang425/mregex_counter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kzhang425/mregex_counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzhang425%2Fmregex_counter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzhang425%2Fmregex_counter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fbd54049562462b195b892792bc5e03a63ce6964 [INFO] testing kzhang425/mregex_counter against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzhang425%2Fmregex_counter" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kzhang425/mregex_counter [INFO] finished tweaking git repo https://github.com/kzhang425/mregex_counter [INFO] tweaked toml for git repo https://github.com/kzhang425/mregex_counter written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kzhang425/mregex_counter on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kzhang425/mregex_counter 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2573b2b68aed89a9f9073a44a0589b21347bb422f5cfd300c68553a1c0510983 [INFO] running `Command { std: "docker" "start" "-a" "2573b2b68aed89a9f9073a44a0589b21347bb422f5cfd300c68553a1c0510983", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2573b2b68aed89a9f9073a44a0589b21347bb422f5cfd300c68553a1c0510983", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2573b2b68aed89a9f9073a44a0589b21347bb422f5cfd300c68553a1c0510983", kill_on_drop: false }` [INFO] [stdout] 2573b2b68aed89a9f9073a44a0589b21347bb422f5cfd300c68553a1c0510983 [INFO] testing kzhang425/mregex_counter against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzhang425%2Fmregex_counter" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to write file src/regex/helpers.rs [INFO] [stderr] error: unable to write file src/regex/mod.rs [INFO] [stderr] error: unable to write file src/regex/rule.rs [INFO] [stderr] fatal: unable to checkout working tree [INFO] [stderr] warning: Clone succeeded, but checkout failed. [INFO] [stderr] You can inspect what was checked out with 'git status' [INFO] [stderr] and retry with 'git restore --source=HEAD :/' [INFO] [stderr] [INFO] testing kzhang425/mregex_counter against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzhang425%2Fmregex_counter" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kzhang425/mregex_counter [INFO] finished tweaking git repo https://github.com/kzhang425/mregex_counter [INFO] tweaked toml for git repo https://github.com/kzhang425/mregex_counter written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kzhang425/mregex_counter on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kzhang425/mregex_counter 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 201b45f5cf2c266daa4654482bb3ce6d5508c7e99dd741eb5275475265590a90 [INFO] running `Command { std: "docker" "start" "-a" "201b45f5cf2c266daa4654482bb3ce6d5508c7e99dd741eb5275475265590a90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "201b45f5cf2c266daa4654482bb3ce6d5508c7e99dd741eb5275475265590a90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "201b45f5cf2c266daa4654482bb3ce6d5508c7e99dd741eb5275475265590a90", kill_on_drop: false }` [INFO] [stdout] 201b45f5cf2c266daa4654482bb3ce6d5508c7e99dd741eb5275475265590a90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 56cf1d63e80929f40f54b1e8638fd53935828c6ba580f48bf9d0d31ff22ffdf6 [INFO] running `Command { std: "docker" "start" "-a" "56cf1d63e80929f40f54b1e8638fd53935828c6ba580f48bf9d0d31ff22ffdf6", kill_on_drop: false }` [INFO] [stderr] Compiling mregex_counter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `default_engine` is never used [INFO] [stdout] --> src/regex/builder.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl Builder { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | fn default_engine(input_string: String) -> Engine { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | engine.process(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 8 | let _ = engine.process(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "56cf1d63e80929f40f54b1e8638fd53935828c6ba580f48bf9d0d31ff22ffdf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56cf1d63e80929f40f54b1e8638fd53935828c6ba580f48bf9d0d31ff22ffdf6", kill_on_drop: false }` [INFO] [stdout] 56cf1d63e80929f40f54b1e8638fd53935828c6ba580f48bf9d0d31ff22ffdf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e1c6db82df0e4ea2a87e3aa706da0b639930a80fa3c8e160b0703f9c34315139 [INFO] running `Command { std: "docker" "start" "-a" "e1c6db82df0e4ea2a87e3aa706da0b639930a80fa3c8e160b0703f9c34315139", kill_on_drop: false }` [INFO] [stdout] warning: associated function `default_engine` is never used [INFO] [stdout] --> src/regex/builder.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl Builder { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | fn default_engine(input_string: String) -> Engine { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mregex_counter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | engine.process(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 8 | let _ = engine.process(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `default_engine` is never used [INFO] [stdout] --> src/regex/builder.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl Builder { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | fn default_engine(input_string: String) -> Engine { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `Command { std: "docker" "inspect" "e1c6db82df0e4ea2a87e3aa706da0b639930a80fa3c8e160b0703f9c34315139", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1c6db82df0e4ea2a87e3aa706da0b639930a80fa3c8e160b0703f9c34315139", kill_on_drop: false }` [INFO] [stdout] e1c6db82df0e4ea2a87e3aa706da0b639930a80fa3c8e160b0703f9c34315139 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4e3d91ad53636d1d0516634d46e6b7327a95ece782d6e5b44ff212c8e89acd2d [INFO] running `Command { std: "docker" "start" "-a" "4e3d91ad53636d1d0516634d46e6b7327a95ece782d6e5b44ff212c8e89acd2d", kill_on_drop: false }` [INFO] [stderr] warning: associated function `default_engine` is never used [INFO] [stderr] --> src/regex/builder.rs:86:8 [INFO] [stderr] | [INFO] [stderr] 15 | impl Builder { [INFO] [stderr] | ------------ associated function in this implementation [INFO] [stderr] ... [INFO] [stderr] 86 | fn default_engine(input_string: String) -> Engine { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `mregex_counter` (lib) generated 1 warning [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | engine.process(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 8 | let _ = engine.process(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `mregex_counter` (bin "mregex_counter" test) generated 1 warning [INFO] [stderr] warning: `mregex_counter` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mregex_counter-78ed96f1045bd615) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test regex::engine::tests::simple_tests ... ok [INFO] [stdout] test regex::engine::tests::more_complex ... ok [INFO] [stdout] test regex::rule::tests::check_block ... ok [INFO] [stdout] test regex::engine::tests::test_coalesce_functionality ... ok [INFO] [stdout] test regex::builder::tests::test_output ... ok [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mregex_counter-0a8dcdc9279bdab9) [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 21.70s [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "4e3d91ad53636d1d0516634d46e6b7327a95ece782d6e5b44ff212c8e89acd2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e3d91ad53636d1d0516634d46e6b7327a95ece782d6e5b44ff212c8e89acd2d", kill_on_drop: false }` [INFO] [stdout] 4e3d91ad53636d1d0516634d46e6b7327a95ece782d6e5b44ff212c8e89acd2d