[INFO] crate cpp_rs 0.1.0 is already in cache
[INFO] extracting crate cpp_rs 0.1.0 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cpp_rs/0.1.0
[INFO] extracting crate cpp_rs 0.1.0 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/cpp_rs/0.1.0
[INFO] validating manifest of cpp_rs-0.1.0 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cpp_rs-0.1.0 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cpp_rs-0.1.0
[INFO] finished frobbing cpp_rs-0.1.0
[INFO] frobbed toml for cpp_rs-0.1.0 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cpp_rs/0.1.0/Cargo.toml
[INFO] started frobbing cpp_rs-0.1.0
[INFO] finished frobbing cpp_rs-0.1.0
[INFO] frobbed toml for cpp_rs-0.1.0 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/cpp_rs/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cpp_rs-0.1.0 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cpp_rs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8aa8f574d1a9b6002d053060bad93544f6c2b9c6feed15be5acd4259ca60af83
[INFO] running `"docker" "start" "-a" "8aa8f574d1a9b6002d053060bad93544f6c2b9c6feed15be5acd4259ca60af83"`
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking cpp_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `TokenStream`
[INFO] [stderr]    --> src/lib.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | struct TokenStream {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/lexer/tests/escape_newline_tests.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::lexer::{Error, StrTokenizer, Token, TokenType, Tokenizer};
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StringSource`
[INFO] [stderr]  --> src/lexer/tests/generative_multi_token_tests.rs:2:37
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::lexer::{OwningTokenizer, StringSource, Token, TokenType, Tokenizer};
[INFO] [stderr]   |                                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lexer::char_source::StrSource`
[INFO] [stderr]  --> src/lexer/tests/single_token_tests.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::lexer::char_source::StrSource;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TokenStream`
[INFO] [stderr]    --> src/lib.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | struct TokenStream {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_line_comment_with_EOL` should have a snake case name
[INFO] [stderr]    --> src/lexer/tests/basic_multi_token_tests.rs:785:4
[INFO] [stderr]     |
[INFO] [stderr] 785 | fn test_line_comment_with_EOL() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_line_comment_with_eol`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `"docker" "inspect" "8aa8f574d1a9b6002d053060bad93544f6c2b9c6feed15be5acd4259ca60af83"`
[INFO] running `"docker" "rm" "-f" "8aa8f574d1a9b6002d053060bad93544f6c2b9c6feed15be5acd4259ca60af83"`
[INFO] [stdout] 8aa8f574d1a9b6002d053060bad93544f6c2b9c6feed15be5acd4259ca60af83