[INFO] updating cached repository https://github.com/FuSoftware/Rust-Parser
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0a59b67f65ad3e05ce00ffd36fac958dbb77e45
[INFO] testing FuSoftware/Rust-Parser against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuSoftware%2FRust-Parser" "work/builds/worker-10/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FuSoftware/Rust-Parser on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FuSoftware/Rust-Parser
[INFO] finished tweaking git repo https://github.com/FuSoftware/Rust-Parser
[INFO] tweaked toml for git repo https://github.com/FuSoftware/Rust-Parser written to work/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/FuSoftware/Rust-Parser already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 8e8c3a5173b47a2b89d72e1e0a322639d45b12f691cee9052f69c169105beaca
[INFO] running `"docker" "start" "-a" "8e8c3a5173b47a2b89d72e1e0a322639d45b12f691cee9052f69c169105beaca"`
[INFO] [stderr]    Compiling rust_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `peek_one`
[INFO] [stderr]   --> src/parsing/lexer.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn peek_one<T>(&mut self, c: char, v: T) -> Option<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "8e8c3a5173b47a2b89d72e1e0a322639d45b12f691cee9052f69c169105beaca"`
[INFO] running `"docker" "rm" "-f" "8e8c3a5173b47a2b89d72e1e0a322639d45b12f691cee9052f69c169105beaca"`
[INFO] [stdout] 8e8c3a5173b47a2b89d72e1e0a322639d45b12f691cee9052f69c169105beaca
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a0a570ec35951fe4e28cd0dda0006a28e5421be2be293aa5d2747232b0766596
[INFO] running `"docker" "start" "-a" "a0a570ec35951fe4e28cd0dda0006a28e5421be2be293aa5d2747232b0766596"`
[INFO] [stderr]    Compiling rust_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `peek_one`
[INFO] [stderr]   --> src/parsing/lexer.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn peek_one<T>(&mut self, c: char, v: T) -> Option<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "a0a570ec35951fe4e28cd0dda0006a28e5421be2be293aa5d2747232b0766596"`
[INFO] running `"docker" "rm" "-f" "a0a570ec35951fe4e28cd0dda0006a28e5421be2be293aa5d2747232b0766596"`
[INFO] [stdout] a0a570ec35951fe4e28cd0dda0006a28e5421be2be293aa5d2747232b0766596
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 9297bd35ceca11df20e092f14683990217db967d45147f6c77d5ea5719c1aaea
[INFO] running `"docker" "start" "-a" "9297bd35ceca11df20e092f14683990217db967d45147f6c77d5ea5719c1aaea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_compiler-d55db91c0340de43
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_compiler-acb4a38ba5d0c77f
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_compiler
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9297bd35ceca11df20e092f14683990217db967d45147f6c77d5ea5719c1aaea"`
[INFO] running `"docker" "rm" "-f" "9297bd35ceca11df20e092f14683990217db967d45147f6c77d5ea5719c1aaea"`
[INFO] [stdout] 9297bd35ceca11df20e092f14683990217db967d45147f6c77d5ea5719c1aaea