[INFO] fetching crate hello-crates-grrs 0.1.0... [INFO] testing hello-crates-grrs-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate hello-crates-grrs 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate hello-crates-grrs 0.1.0 [INFO] finished tweaking crates.io crate hello-crates-grrs 0.1.0 [INFO] tweaked toml for crates.io crate hello-crates-grrs 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate hello-crates-grrs 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate hello-crates-grrs 0.1.0 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 96cd15780109fa0bea39638f7b137d7e1e03bdb32325930302a7895deaadf3ed [INFO] running `Command { std: "docker" "start" "-a" "96cd15780109fa0bea39638f7b137d7e1e03bdb32325930302a7895deaadf3ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96cd15780109fa0bea39638f7b137d7e1e03bdb32325930302a7895deaadf3ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96cd15780109fa0bea39638f7b137d7e1e03bdb32325930302a7895deaadf3ed", kill_on_drop: false }` [INFO] [stdout] 96cd15780109fa0bea39638f7b137d7e1e03bdb32325930302a7895deaadf3ed [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bdebcbe19fa2549c3168b906098850e2b29df7de861d0c706fd47ffafe4e0d0 [INFO] running `Command { std: "docker" "start" "-a" "8bdebcbe19fa2549c3168b906098850e2b29df7de861d0c706fd47ffafe4e0d0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling rustix v0.37.18 [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling linux-raw-sys v0.3.6 [INFO] [stderr] Compiling utf8parse v0.2.1 [INFO] [stderr] Compiling anstyle v1.0.0 [INFO] [stderr] Compiling anstyle-parse v0.2.0 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling clap_lex v0.4.1 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling syn v2.0.15 [INFO] [stderr] Compiling is-terminal v0.4.7 [INFO] [stderr] Compiling anstream v0.3.1 [INFO] [stderr] Compiling clap_builder v4.2.5 [INFO] [stderr] Compiling clap_derive v4.2.0 [INFO] [stderr] Compiling clap v4.2.5 [INFO] [stderr] Compiling hello-crates-grrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writer, "{}", line); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = writeln!(writer, "{}", line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | writeln!(writer, "{}", line); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = writeln!(writer, "{}", line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.80s [INFO] running `Command { std: "docker" "inspect" "8bdebcbe19fa2549c3168b906098850e2b29df7de861d0c706fd47ffafe4e0d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bdebcbe19fa2549c3168b906098850e2b29df7de861d0c706fd47ffafe4e0d0", kill_on_drop: false }` [INFO] [stdout] 8bdebcbe19fa2549c3168b906098850e2b29df7de861d0c706fd47ffafe4e0d0 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68f87dafa2ba2478ebe1c1b9b0513ba0194e1dcfe4af56c56e74080f18391fdc [INFO] running `Command { std: "docker" "start" "-a" "68f87dafa2ba2478ebe1c1b9b0513ba0194e1dcfe4af56c56e74080f18391fdc", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rustix v0.37.18 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling regex-syntax v0.7.1 [INFO] [stderr] Compiling predicates-core v1.0.6 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling thread_local v1.1.7 [INFO] [stderr] Compiling termtree v0.4.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [INFO] [stderr] Compiling aho-corasick v1.0.1 [INFO] [stderr] Compiling bstr v1.4.0 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling predicates v3.0.3 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling assert_cmd v2.0.11 [INFO] [stderr] Compiling is-terminal v0.4.7 [INFO] [stderr] Compiling tempfile v3.5.0 [INFO] [stderr] Compiling anstream v0.3.1 [INFO] [stderr] Compiling regex v1.8.1 [INFO] [stderr] Compiling clap_builder v4.2.5 [INFO] [stderr] Compiling globset v0.4.10 [INFO] [stderr] Compiling predicates v2.1.5 [INFO] [stderr] Compiling ignore v0.4.20 [INFO] [stderr] Compiling globwalk v0.8.1 [INFO] [stderr] Compiling assert_fs v1.0.13 [INFO] [stderr] Compiling clap v4.2.5 [INFO] [stderr] Compiling hello-crates-grrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writer, "{}", line); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = writeln!(writer, "{}", line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writer, "{}", line); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = writeln!(writer, "{}", line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | writeln!(writer, "{}", line); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = writeln!(writer, "{}", line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | writeln!(writer, "{}", line); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = writeln!(writer, "{}", line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 32.67s [INFO] running `Command { std: "docker" "inspect" "68f87dafa2ba2478ebe1c1b9b0513ba0194e1dcfe4af56c56e74080f18391fdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68f87dafa2ba2478ebe1c1b9b0513ba0194e1dcfe4af56c56e74080f18391fdc", kill_on_drop: false }` [INFO] [stdout] 68f87dafa2ba2478ebe1c1b9b0513ba0194e1dcfe4af56c56e74080f18391fdc [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 68f5a5fb5fef70fb9d1ae461795036b7f05e225c82ee93e3400cd6af15693820 [INFO] running `Command { std: "docker" "start" "-a" "68f5a5fb5fef70fb9d1ae461795036b7f05e225c82ee93e3400cd6af15693820", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | writeln!(writer, "{}", line); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 4 | let _ = writeln!(writer, "{}", line); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `hello-crates-grrs` (lib) generated 1 warning [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | writeln!(writer, "{}", line); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 26 | let _ = writeln!(writer, "{}", line); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `hello-crates-grrs` (bin "grrs") generated 1 warning [INFO] [stderr] warning: `hello-crates-grrs` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `hello-crates-grrs` (bin "grrs" test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hello_crates_grrs-98269ea313d7f2f2) [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 unittests src/main.rs (/opt/rustwide/target/debug/deps/grrs-eef34ec3ca6ac82d) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test find_a_match ... 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] Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-96b8504e55f3992e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Doc-tests hello_crates_grrs [INFO] [stdout] test file_doesnt_exist ... ok [INFO] [stdout] test find_content_in_file ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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" "68f5a5fb5fef70fb9d1ae461795036b7f05e225c82ee93e3400cd6af15693820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68f5a5fb5fef70fb9d1ae461795036b7f05e225c82ee93e3400cd6af15693820", kill_on_drop: false }` [INFO] [stdout] 68f5a5fb5fef70fb9d1ae461795036b7f05e225c82ee93e3400cd6af15693820