[INFO] updating cached repository hsimyu/rust-training-language-parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hsimyu/rust-training-language-parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hsimyu/rust-training-language-parser" "work/ex/beta-1.37-6/sources/1.36.0/gh/hsimyu/rust-training-language-parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hsimyu/rust-training-language-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hsimyu/rust-training-language-parser" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hsimyu/rust-training-language-parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hsimyu/rust-training-language-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94e3104a3423023c2203eb1a7a378a8119af8053
[INFO] sha for GitHub repo hsimyu/rust-training-language-parser: 94e3104a3423023c2203eb1a7a378a8119af8053
[INFO] validating manifest of hsimyu/rust-training-language-parser on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hsimyu/rust-training-language-parser on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hsimyu/rust-training-language-parser
[INFO] finished frobbing hsimyu/rust-training-language-parser
[INFO] frobbed toml for hsimyu/rust-training-language-parser written to work/ex/beta-1.37-6/sources/1.36.0/gh/hsimyu/rust-training-language-parser/Cargo.toml
[INFO] started frobbing hsimyu/rust-training-language-parser
[INFO] finished frobbing hsimyu/rust-training-language-parser
[INFO] frobbed toml for hsimyu/rust-training-language-parser written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hsimyu/rust-training-language-parser/Cargo.toml
[INFO] crate hsimyu/rust-training-language-parser already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hsimyu/rust-training-language-parser against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hsimyu/rust-training-language-parser:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 34be76a24223de6681fca809138c8d4ec5bcc8a295038ee47ecb1f7072c802e1
[INFO] running `"docker" "start" "-a" "34be76a24223de6681fca809138c8d4ec5bcc8a295038ee47ecb1f7072c802e1"`
[INFO] [stderr]    Compiling rust_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `input`
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     input: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "34be76a24223de6681fca809138c8d4ec5bcc8a295038ee47ecb1f7072c802e1"`
[INFO] running `"docker" "rm" "-f" "34be76a24223de6681fca809138c8d4ec5bcc8a295038ee47ecb1f7072c802e1"`
[INFO] [stdout] 34be76a24223de6681fca809138c8d4ec5bcc8a295038ee47ecb1f7072c802e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hsimyu/rust-training-language-parser:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7d1a32ad8747181ca8478e32e7d7fa1bb6a3c9a96869fe0db97d577610ac818f
[INFO] running `"docker" "start" "-a" "7d1a32ad8747181ca8478e32e7d7fa1bb6a3c9a96869fe0db97d577610ac818f"`
[INFO] [stderr]    Compiling rust_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `input`
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     input: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "7d1a32ad8747181ca8478e32e7d7fa1bb6a3c9a96869fe0db97d577610ac818f"`
[INFO] running `"docker" "rm" "-f" "7d1a32ad8747181ca8478e32e7d7fa1bb6a3c9a96869fe0db97d577610ac818f"`
[INFO] [stdout] 7d1a32ad8747181ca8478e32e7d7fa1bb6a3c9a96869fe0db97d577610ac818f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hsimyu/rust-training-language-parser:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 70ca4367d47510048ab9214f0e36daa3b2adbe3419369fff2e72cd68bc7ab417
[INFO] running `"docker" "start" "-a" "70ca4367d47510048ab9214f0e36daa3b2adbe3419369fff2e72cd68bc7ab417"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_parser-f8ae2273685871b7
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "70ca4367d47510048ab9214f0e36daa3b2adbe3419369fff2e72cd68bc7ab417"`
[INFO] running `"docker" "rm" "-f" "70ca4367d47510048ab9214f0e36daa3b2adbe3419369fff2e72cd68bc7ab417"`
[INFO] [stdout] 70ca4367d47510048ab9214f0e36daa3b2adbe3419369fff2e72cd68bc7ab417