[INFO] cloning repository darshanparajuli/countcode
[INFO] running `"git" "clone" "--bare" "git://github.com/darshanparajuli/countcode.git" "work/cache/sources/gh/darshanparajuli/countcode"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/darshanparajuli/countcode'...
[INFO] running `"git" "clone" "work/cache/sources/gh/darshanparajuli/countcode" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darshanparajuli/countcode"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darshanparajuli/countcode'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/darshanparajuli/countcode" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/darshanparajuli/countcode"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/darshanparajuli/countcode'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8eabee50e060d41f2ecb95cd12ac584c005b7188
[INFO] sha for GitHub repo darshanparajuli/countcode: 8eabee50e060d41f2ecb95cd12ac584c005b7188
[INFO] validating manifest of darshanparajuli/countcode on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of darshanparajuli/countcode on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing darshanparajuli/countcode
[INFO] finished frobbing darshanparajuli/countcode
[INFO] frobbed toml for darshanparajuli/countcode written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darshanparajuli/countcode/Cargo.toml
[INFO] started frobbing darshanparajuli/countcode
[INFO] finished frobbing darshanparajuli/countcode
[INFO] frobbed toml for darshanparajuli/countcode written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/darshanparajuli/countcode/Cargo.toml
[INFO] crate darshanparajuli/countcode already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing darshanparajuli/countcode against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darshanparajuli/countcode:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 02932875ca6847808c4d99e399e3f64186e69955f8e641b1634d6df3636bf820
[INFO] running `"docker" "start" "-a" "02932875ca6847808c4d99e399e3f64186e69955f8e641b1634d6df3636bf820"`
[INFO] [stderr]    Compiling bstr v0.1.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling globset v0.4.3
[INFO] [stderr]    Compiling ignore v0.4.7
[INFO] [stderr]    Compiling countcode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/counter.rs:146:25
[INFO] [stderr]     |
[INFO] [stderr] 146 |                     let mut line = match line_reader.read_line() {
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.22s
[INFO] running `"docker" "inspect" "02932875ca6847808c4d99e399e3f64186e69955f8e641b1634d6df3636bf820"`
[INFO] running `"docker" "rm" "-f" "02932875ca6847808c4d99e399e3f64186e69955f8e641b1634d6df3636bf820"`
[INFO] [stdout] 02932875ca6847808c4d99e399e3f64186e69955f8e641b1634d6df3636bf820
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darshanparajuli/countcode:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8e4f78c39dd109b92631c6e3f475a0895e1f733ba7ef59447f7e984b36622668
[INFO] running `"docker" "start" "-a" "8e4f78c39dd109b92631c6e3f475a0895e1f733ba7ef59447f7e984b36622668"`
[INFO] [stderr]    Compiling countcode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/counter.rs:146:25
[INFO] [stderr]     |
[INFO] [stderr] 146 |                     let mut line = match line_reader.read_line() {
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "8e4f78c39dd109b92631c6e3f475a0895e1f733ba7ef59447f7e984b36622668"`
[INFO] running `"docker" "rm" "-f" "8e4f78c39dd109b92631c6e3f475a0895e1f733ba7ef59447f7e984b36622668"`
[INFO] [stdout] 8e4f78c39dd109b92631c6e3f475a0895e1f733ba7ef59447f7e984b36622668
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/darshanparajuli/countcode:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 3a4585242187887a947be1da58647e237314ef28f64a8f7dc2b1e46d7723dacc
[INFO] running `"docker" "start" "-a" "3a4585242187887a947be1da58647e237314ef28f64a8f7dc2b1e46d7723dacc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/countcode-8f8605cc3645b1e3
[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" "3a4585242187887a947be1da58647e237314ef28f64a8f7dc2b1e46d7723dacc"`
[INFO] running `"docker" "rm" "-f" "3a4585242187887a947be1da58647e237314ef28f64a8f7dc2b1e46d7723dacc"`
[INFO] [stdout] 3a4585242187887a947be1da58647e237314ef28f64a8f7dc2b1e46d7723dacc