[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-1.38-1/sources/1.37.0/gh/hsimyu/rust-training-language-parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/gh/hsimyu/rust-training-language-parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hsimyu/rust-training-language-parser on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hsimyu/rust-training-language-parser against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 72a967f23a9b1eef0f65a22f9e6af65596c55740be946592570a5d9f8e3c6623
[INFO] running `"docker" "start" "-a" "72a967f23a9b1eef0f65a22f9e6af65596c55740be946592570a5d9f8e3c6623"`
[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 0.66s
[INFO] running `"docker" "inspect" "72a967f23a9b1eef0f65a22f9e6af65596c55740be946592570a5d9f8e3c6623"`
[INFO] running `"docker" "rm" "-f" "72a967f23a9b1eef0f65a22f9e6af65596c55740be946592570a5d9f8e3c6623"`
[INFO] [stdout] 72a967f23a9b1eef0f65a22f9e6af65596c55740be946592570a5d9f8e3c6623
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9c8397eb4f341e0d07a414e5d9727842a10bbfb642b4255f1eaa49a691354f8d
[INFO] running `"docker" "start" "-a" "9c8397eb4f341e0d07a414e5d9727842a10bbfb642b4255f1eaa49a691354f8d"`
[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 0.50s
[INFO] running `"docker" "inspect" "9c8397eb4f341e0d07a414e5d9727842a10bbfb642b4255f1eaa49a691354f8d"`
[INFO] running `"docker" "rm" "-f" "9c8397eb4f341e0d07a414e5d9727842a10bbfb642b4255f1eaa49a691354f8d"`
[INFO] [stdout] 9c8397eb4f341e0d07a414e5d9727842a10bbfb642b4255f1eaa49a691354f8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 91f99d48a905e93eb6fa3325ef2bc77906ab557cc13127a712f9f5e8c1174223
[INFO] running `"docker" "start" "-a" "91f99d48a905e93eb6fa3325ef2bc77906ab557cc13127a712f9f5e8c1174223"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_parser-aaf2a549b376c2ea
[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" "91f99d48a905e93eb6fa3325ef2bc77906ab557cc13127a712f9f5e8c1174223"`
[INFO] running `"docker" "rm" "-f" "91f99d48a905e93eb6fa3325ef2bc77906ab557cc13127a712f9f5e8c1174223"`
[INFO] [stdout] 91f99d48a905e93eb6fa3325ef2bc77906ab557cc13127a712f9f5e8c1174223