[INFO] cloning repository Askaholic/rust-intro
[INFO] running `"git" "clone" "--bare" "git://github.com/Askaholic/rust-intro.git" "work/cache/sources/gh/Askaholic/rust-intro"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Askaholic/rust-intro'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Askaholic/rust-intro" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/Askaholic/rust-intro"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/Askaholic/rust-intro'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Askaholic/rust-intro" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/Askaholic/rust-intro"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/Askaholic/rust-intro'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 863aaad62137c038592c5392e56e8b015f301c74
[INFO] sha for GitHub repo Askaholic/rust-intro: 863aaad62137c038592c5392e56e8b015f301c74
[INFO] validating manifest of Askaholic/rust-intro on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Askaholic/rust-intro on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Askaholic/rust-intro
[INFO] finished frobbing Askaholic/rust-intro
[INFO] frobbed toml for Askaholic/rust-intro written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/Askaholic/rust-intro/Cargo.toml
[INFO] started frobbing Askaholic/rust-intro
[INFO] finished frobbing Askaholic/rust-intro
[INFO] frobbed toml for Askaholic/rust-intro written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/Askaholic/rust-intro/Cargo.toml
[INFO] crate Askaholic/rust-intro has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Askaholic/rust-intro against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/Askaholic/rust-intro:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b12622fef3cec6867837baa5f2003a3514e51df16e4118c002f27639a6fb98a5
[INFO] running `"docker" "start" "-a" "b12622fef3cec6867837baa5f2003a3514e51df16e4118c002f27639a6fb98a5"`
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `guess`
[INFO] [stderr]   --> src/guess.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn guess() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_guess`
[INFO] [stderr]   --> src/guess.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn get_guess() -> Result<i64, std::num::ParseIntError> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `guess`
[INFO] [stderr]   --> src/guess.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn guess() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_guess`
[INFO] [stderr]   --> src/guess.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn get_guess() -> Result<i64, std::num::ParseIntError> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "b12622fef3cec6867837baa5f2003a3514e51df16e4118c002f27639a6fb98a5"`
[INFO] running `"docker" "rm" "-f" "b12622fef3cec6867837baa5f2003a3514e51df16e4118c002f27639a6fb98a5"`
[INFO] [stdout] b12622fef3cec6867837baa5f2003a3514e51df16e4118c002f27639a6fb98a5