[INFO] updating cached repository royaldark/rust-ls
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/royaldark/rust-ls
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/royaldark/rust-ls" "work/ex/beta-1.38-1/sources/1.37.0/gh/royaldark/rust-ls"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/royaldark/rust-ls'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/royaldark/rust-ls" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royaldark/rust-ls"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royaldark/rust-ls'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2956c7e05ad15ffd6f6eb2e89667e536c9d1b9a8
[INFO] sha for GitHub repo royaldark/rust-ls: 2956c7e05ad15ffd6f6eb2e89667e536c9d1b9a8
[INFO] validating manifest of royaldark/rust-ls 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 royaldark/rust-ls 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 royaldark/rust-ls
[INFO] finished frobbing royaldark/rust-ls
[INFO] frobbed toml for royaldark/rust-ls written to work/ex/beta-1.38-1/sources/1.37.0/gh/royaldark/rust-ls/Cargo.toml
[INFO] started frobbing royaldark/rust-ls
[INFO] finished frobbing royaldark/rust-ls
[INFO] frobbed toml for royaldark/rust-ls written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/royaldark/rust-ls/Cargo.toml
[INFO] crate royaldark/rust-ls 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 royaldark/rust-ls 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/royaldark/rust-ls:/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] fddd81d3d662eecbd494fac309ac48732892d81e723cf726a487976ac8c81fb4
[INFO] running `"docker" "start" "-a" "fddd81d3d662eecbd494fac309ac48732892d81e723cf726a487976ac8c81fb4"`
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling users v0.6.0
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling ls v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `dir`
[INFO] [stderr]   --> src/fs.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn to_fs_entries(dir: &FsEntry, dir_entries: &Vec<fs::DirEntry>, opts: &LsOptions) -> Vec<FsEntry> {
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_dir`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_implied_dirs`
[INFO] [stderr]   --> src/fs.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn add_implied_dirs(dir: &str, fs_entries: &mut Vec<FsEntry>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.73s
[INFO] running `"docker" "inspect" "fddd81d3d662eecbd494fac309ac48732892d81e723cf726a487976ac8c81fb4"`
[INFO] running `"docker" "rm" "-f" "fddd81d3d662eecbd494fac309ac48732892d81e723cf726a487976ac8c81fb4"`
[INFO] [stdout] fddd81d3d662eecbd494fac309ac48732892d81e723cf726a487976ac8c81fb4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/royaldark/rust-ls:/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] 22acf540312ee41f099ed8f67777bac4635987e6408f311653df94d1fbae92a5
[INFO] running `"docker" "start" "-a" "22acf540312ee41f099ed8f67777bac4635987e6408f311653df94d1fbae92a5"`
[INFO] [stderr]    Compiling ls v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `dir`
[INFO] [stderr]   --> src/fs.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn to_fs_entries(dir: &FsEntry, dir_entries: &Vec<fs::DirEntry>, opts: &LsOptions) -> Vec<FsEntry> {
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_dir`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_implied_dirs`
[INFO] [stderr]   --> src/fs.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn add_implied_dirs(dir: &str, fs_entries: &mut Vec<FsEntry>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "22acf540312ee41f099ed8f67777bac4635987e6408f311653df94d1fbae92a5"`
[INFO] running `"docker" "rm" "-f" "22acf540312ee41f099ed8f67777bac4635987e6408f311653df94d1fbae92a5"`
[INFO] [stdout] 22acf540312ee41f099ed8f67777bac4635987e6408f311653df94d1fbae92a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/royaldark/rust-ls:/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] 815d77f64068ddf5125bc6dc27999b81c8db252ffcdbbe4101d3da07b6ac26b6
[INFO] running `"docker" "start" "-a" "815d77f64068ddf5125bc6dc27999b81c8db252ffcdbbe4101d3da07b6ac26b6"`
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test format::tests::test_humanize_si ... ok
[INFO] [stdout] test format::tests::test_humanize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ls-b85129c763392b1b
[INFO] running `"docker" "inspect" "815d77f64068ddf5125bc6dc27999b81c8db252ffcdbbe4101d3da07b6ac26b6"`
[INFO] running `"docker" "rm" "-f" "815d77f64068ddf5125bc6dc27999b81c8db252ffcdbbe4101d3da07b6ac26b6"`
[INFO] [stdout] 815d77f64068ddf5125bc6dc27999b81c8db252ffcdbbe4101d3da07b6ac26b6