[INFO] fetching crate grammarsmith 0.4.0...
[INFO] testing grammarsmith-0.4.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate grammarsmith 0.4.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate grammarsmith 0.4.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14d01e6b66579b0e7db85f35b7f10b5904288857294cc0a9b84520db35f4b7cd
[INFO] running `Command { std: "docker" "start" "-a" "14d01e6b66579b0e7db85f35b7f10b5904288857294cc0a9b84520db35f4b7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d01e6b66579b0e7db85f35b7f10b5904288857294cc0a9b84520db35f4b7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d01e6b66579b0e7db85f35b7f10b5904288857294cc0a9b84520db35f4b7cd", kill_on_drop: false }`
[INFO] [stdout] 14d01e6b66579b0e7db85f35b7f10b5904288857294cc0a9b84520db35f4b7cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fcae5fe77104fefe034b19647e6e472655d55a0104b8b83a90d503a19962f5d
[INFO] running `Command { std: "docker" "start" "-a" "6fcae5fe77104fefe034b19647e6e472655d55a0104b8b83a90d503a19962f5d", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "6fcae5fe77104fefe034b19647e6e472655d55a0104b8b83a90d503a19962f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcae5fe77104fefe034b19647e6e472655d55a0104b8b83a90d503a19962f5d", kill_on_drop: false }`
[INFO] [stdout] 6fcae5fe77104fefe034b19647e6e472655d55a0104b8b83a90d503a19962f5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35aef3dae3c6471f5dee1a97ef120813190519f32b1a6b7dda0a37e67b2cee6a
[INFO] running `Command { std: "docker" "start" "-a" "35aef3dae3c6471f5dee1a97ef120813190519f32b1a6b7dda0a37e67b2cee6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[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 ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling proptest v1.9.0
[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)]` (part of `#[warn(unused)]`) 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<CalculatorAST>),
[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 7.57s
[INFO] running `Command { std: "docker" "inspect" "35aef3dae3c6471f5dee1a97ef120813190519f32b1a6b7dda0a37e67b2cee6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35aef3dae3c6471f5dee1a97ef120813190519f32b1a6b7dda0a37e67b2cee6a", kill_on_drop: false }`
[INFO] [stdout] 35aef3dae3c6471f5dee1a97ef120813190519f32b1a6b7dda0a37e67b2cee6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1568cdb5503846a9e694b1af40f5c33aec0e7c63943524076c2878e08c8f98e9
[INFO] running `Command { std: "docker" "start" "-a" "1568cdb5503846a9e694b1af40f5c33aec0e7c63943524076c2878e08c8f98e9", 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 (run `cargo fix --lib -p grammarsmith` to apply 1 suggestion)
[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)]` (part of `#[warn(unused)]`) 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<CalculatorAST>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `grammarsmith` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `grammarsmith` (test "calculator_test") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grammarsmith-61931af6f683e53b)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test position::bytepos::tests::test_subtraction_operations ... ok
[INFO] [stdout] test position::lineoffset::tests::test_different_line_endings ... ok
[INFO] [stdout] test position::lineoffset::tests::test_empty_string ... ok
[INFO] [stdout] test position::bytepos::tests::test_addition_operations ... ok
[INFO] [stdout] test position::bytepos::tests::test_shift_with_different_chars ... ok
[INFO] [stdout] test position::lineoffset::tests::test_multiple_lines ... ok
[INFO] [stdout] test scanner::tests::test_consume_if_next ... ok
[INFO] [stdout] test scanner::tests::test_if_next ... ok
[INFO] [stdout] test position::lineoffset::tests::test_multiple_consecutive_newlines ... ok
[INFO] [stdout] test position::lineoffset::tests::test_trailing_newline ... ok
[INFO] [stdout] test scanner::tests::test_next ... ok
[INFO] [stdout] test position::lineoffset::tests::test_single_line ... ok
[INFO] [stdout] test scanner::tests::test_consume_if ... ok
[INFO] [stdout] test scanner::tests::test_peek ... ok
[INFO] [stdout] test position::lineoffset::tests::test_position_beyond_length - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/calculator_test.rs (/opt/rustwide/target/debug/deps/calculator_test-b428eb555e1cb811)
[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] [stderr]    Doc-tests grammarsmith
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/scanner.rs - scanner::Scanner<'a>::consume_if_next (line 142) ... ok
[INFO] [stdout] test src/position.rs - position (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/position/span.rs - position::span::Span::new (line 40) ... ok
[INFO] [stdout] test src/position/span.rs - position::span::Span::point (line 62) ... ok
[INFO] [stdout] test src/position/lineoffset.rs - position::lineoffset::LineOffsets (line 6) ... 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/scanner.rs - scanner::Scanner<'a>::consume_if (line 97) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1568cdb5503846a9e694b1af40f5c33aec0e7c63943524076c2878e08c8f98e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1568cdb5503846a9e694b1af40f5c33aec0e7c63943524076c2878e08c8f98e9", kill_on_drop: false }`
[INFO] [stdout] 1568cdb5503846a9e694b1af40f5c33aec0e7c63943524076c2878e08c8f98e9
