[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 try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 4dc680cdc652bf2f3c920181216260c501b35ec67bfd05dd1557bbb5f1688b3a [INFO] running `"docker" "start" "-a" "4dc680cdc652bf2f3c920181216260c501b35ec67bfd05dd1557bbb5f1688b3a"` [INFO] [stderr] Compiling bstr v0.1.2 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling globset v0.4.3 [INFO] [stderr] Compiling rayon v1.0.3 [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 17.14s [INFO] running `"docker" "inspect" "4dc680cdc652bf2f3c920181216260c501b35ec67bfd05dd1557bbb5f1688b3a"` [INFO] running `"docker" "rm" "-f" "4dc680cdc652bf2f3c920181216260c501b35ec67bfd05dd1557bbb5f1688b3a"` [INFO] [stdout] 4dc680cdc652bf2f3c920181216260c501b35ec67bfd05dd1557bbb5f1688b3a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 78d0b05c305318885005d90992c34fe8c77bc6adb9ad2d5ff5d917b15dd23354 [INFO] running `"docker" "start" "-a" "78d0b05c305318885005d90992c34fe8c77bc6adb9ad2d5ff5d917b15dd23354"` [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 1.10s [INFO] running `"docker" "inspect" "78d0b05c305318885005d90992c34fe8c77bc6adb9ad2d5ff5d917b15dd23354"` [INFO] running `"docker" "rm" "-f" "78d0b05c305318885005d90992c34fe8c77bc6adb9ad2d5ff5d917b15dd23354"` [INFO] [stdout] 78d0b05c305318885005d90992c34fe8c77bc6adb9ad2d5ff5d917b15dd23354 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] d33c6bfd6146cb3fefb392e1c8bcbc75d33e9cc9f5c819df52c2fa63b7e55c9b [INFO] running `"docker" "start" "-a" "d33c6bfd6146cb3fefb392e1c8bcbc75d33e9cc9f5c819df52c2fa63b7e55c9b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/countcode-77d90610f6de1c32 [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" "d33c6bfd6146cb3fefb392e1c8bcbc75d33e9cc9f5c819df52c2fa63b7e55c9b"` [INFO] running `"docker" "rm" "-f" "d33c6bfd6146cb3fefb392e1c8bcbc75d33e9cc9f5c819df52c2fa63b7e55c9b"` [INFO] [stdout] d33c6bfd6146cb3fefb392e1c8bcbc75d33e9cc9f5c819df52c2fa63b7e55c9b