[INFO] fetching crate grammarsmith 0.4.0... [INFO] testing grammarsmith-0.4.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate grammarsmith 0.4.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate grammarsmith 0.4.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate grammarsmith 0.4.0 [INFO] tweaked toml for crates.io crate grammarsmith 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate grammarsmith 0.4.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 42 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0653226322e896bf49664ff91afc8bfcf18a76a02e4d2759c6779430dc28e24 [INFO] running `Command { std: "docker" "start" "-a" "b0653226322e896bf49664ff91afc8bfcf18a76a02e4d2759c6779430dc28e24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0653226322e896bf49664ff91afc8bfcf18a76a02e4d2759c6779430dc28e24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0653226322e896bf49664ff91afc8bfcf18a76a02e4d2759c6779430dc28e24", kill_on_drop: false }` [INFO] [stdout] b0653226322e896bf49664ff91afc8bfcf18a76a02e4d2759c6779430dc28e24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b0ef08594d1bb609e92a84dee2ddf7b7bea447637a4a580b8c76c61264a92ee [INFO] running `Command { std: "docker" "start" "-a" "8b0ef08594d1bb609e92a84dee2ddf7b7bea447637a4a580b8c76c61264a92ee", kill_on_drop: false }` [INFO] [stderr] Compiling grammarsmith v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:25:21 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new(buf: &str) -> Scanner { [INFO] [stdout] | ^^^^ ------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new(buf: &str) -> Scanner<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "8b0ef08594d1bb609e92a84dee2ddf7b7bea447637a4a580b8c76c61264a92ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b0ef08594d1bb609e92a84dee2ddf7b7bea447637a4a580b8c76c61264a92ee", kill_on_drop: false }` [INFO] [stdout] 8b0ef08594d1bb609e92a84dee2ddf7b7bea447637a4a580b8c76c61264a92ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9ad580ac0dfd3b09098afa70de37408bfb099ccbdccf6f551081b581fabb0d8 [INFO] running `Command { std: "docker" "start" "-a" "b9ad580ac0dfd3b09098afa70de37408bfb099ccbdccf6f551081b581fabb0d8", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:25:21 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new(buf: &str) -> Scanner { [INFO] [stdout] | ^^^^ ------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new(buf: &str) -> Scanner<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling bit-vec v0.8.0 [INFO] [stderr] Compiling unarray v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling bit-set v0.8.0 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling rand_xorshift v0.4.0 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling proptest v1.8.0 [INFO] [stderr] Compiling grammarsmith v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `is_operator` is never used [INFO] [stdout] --> tests/calculator_test.rs:161:8 [INFO] [stdout] | [INFO] [stdout] 160 | impl CalculatorToken { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] 161 | fn is_operator(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Parenthesized` is never constructed [INFO] [stdout] --> tests/calculator_test.rs:179:5 [INFO] [stdout] | [INFO] [stdout] 172 | enum CalculatorAST { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 179 | Parenthesized(Box), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:25:21 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new(buf: &str) -> Scanner { [INFO] [stdout] | ^^^^ ------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn new(buf: &str) -> Scanner<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.84s [INFO] running `Command { std: "docker" "inspect" "b9ad580ac0dfd3b09098afa70de37408bfb099ccbdccf6f551081b581fabb0d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9ad580ac0dfd3b09098afa70de37408bfb099ccbdccf6f551081b581fabb0d8", kill_on_drop: false }` [INFO] [stdout] b9ad580ac0dfd3b09098afa70de37408bfb099ccbdccf6f551081b581fabb0d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 01849fb022d38f92cbaa94f6122a30c748d73bf037df81f20987ab0bba7e7f3f [INFO] running `Command { std: "docker" "start" "-a" "01849fb022d38f92cbaa94f6122a30c748d73bf037df81f20987ab0bba7e7f3f", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/scanner.rs:25:21 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn new(buf: &str) -> Scanner { [INFO] [stderr] | ^^^^ ------- the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 25 | pub fn new(buf: &str) -> Scanner<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `grammarsmith` (lib) generated 1 warning [INFO] [stderr] warning: method `is_operator` is never used [INFO] [stderr] --> tests/calculator_test.rs:161:8 [INFO] [stderr] | [INFO] [stderr] 160 | impl CalculatorToken { [INFO] [stderr] | -------------------- method in this implementation [INFO] [stderr] 161 | fn is_operator(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `Parenthesized` is never constructed [INFO] [stderr] --> tests/calculator_test.rs:179:5 [INFO] [stderr] | [INFO] [stderr] 172 | enum CalculatorAST { [INFO] [stderr] | ------------- variant in this enum [INFO] [stderr] ... [INFO] [stderr] 179 | Parenthesized(Box), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `grammarsmith` (test "calculator_test") generated 2 warnings [INFO] [stderr] warning: `grammarsmith` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grammarsmith-debb76f3ef15446c) [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test position::bytepos::tests::test_shift_with_different_chars ... ok [INFO] [stdout] test position::bytepos::tests::test_subtraction_operations ... ok [INFO] [stdout] test position::lineoffset::tests::test_empty_string ... ok [INFO] [stdout] test position::lineoffset::tests::test_single_line ... ok [INFO] [stdout] test scanner::tests::test_consume_if_next ... ok [INFO] [stdout] test position::lineoffset::tests::test_trailing_newline ... ok [INFO] [stdout] test scanner::tests::test_if_next ... ok [INFO] [stdout] test position::lineoffset::tests::test_multiple_consecutive_newlines ... ok [INFO] [stdout] test scanner::tests::test_next ... ok [INFO] [stdout] test scanner::tests::test_consume_if ... ok [INFO] [stdout] test position::lineoffset::tests::test_different_line_endings ... ok [INFO] [stdout] test scanner::tests::test_peek ... ok [INFO] [stdout] test position::bytepos::tests::test_addition_operations ... ok [INFO] [stdout] test position::lineoffset::tests::test_position_beyond_length - should panic ... ok [INFO] [stdout] test position::lineoffset::tests::test_multiple_lines ... ok [INFO] [stderr] Running tests/calculator_test.rs (/opt/rustwide/target/debug/deps/calculator_test-a47958d1b2c9f372) [INFO] [stdout] [INFO] [stderr] Doc-tests grammarsmith [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests ... 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 9 tests [INFO] [stdout] test src/position.rs - position (line 6) ... ok [INFO] [stdout] test src/lib.rs - (line 4) ... ok [INFO] [stdout] test src/scanner.rs - scanner::Scanner<'a>::consume_if_next (line 142) ... ok [INFO] [stdout] test src/position/span.rs - position::span::WithSpan (line 166) ... ok [INFO] [stdout] test src/position/bytepos.rs - position::bytepos::BytePos (line 9) ... ok [INFO] [stdout] test src/position/lineoffset.rs - position::lineoffset::LineOffsets (line 6) ... ok [INFO] [stdout] test src/scanner.rs - scanner::Scanner<'a>::consume_if (line 97) ... ok [INFO] [stdout] test src/position/span.rs - position::span::Span::point (line 62) ... ok [INFO] [stdout] test src/position/span.rs - position::span::Span::new (line 40) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "01849fb022d38f92cbaa94f6122a30c748d73bf037df81f20987ab0bba7e7f3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01849fb022d38f92cbaa94f6122a30c748d73bf037df81f20987ab0bba7e7f3f", kill_on_drop: false }` [INFO] [stdout] 01849fb022d38f92cbaa94f6122a30c748d73bf037df81f20987ab0bba7e7f3f