[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 53f7cc534cdffa62244796db4063edf8ca482c59933991ef2c79ab5fc1de2dff
[INFO] running `"docker" "start" "-a" "53f7cc534cdffa62244796db4063edf8ca482c59933991ef2c79ab5fc1de2dff"`
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling users v0.6.0
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling clap v2.29.0
[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 30.17s
[INFO] running `"docker" "inspect" "53f7cc534cdffa62244796db4063edf8ca482c59933991ef2c79ab5fc1de2dff"`
[INFO] running `"docker" "rm" "-f" "53f7cc534cdffa62244796db4063edf8ca482c59933991ef2c79ab5fc1de2dff"`
[INFO] [stdout] 53f7cc534cdffa62244796db4063edf8ca482c59933991ef2c79ab5fc1de2dff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1aadc6e15d7afc9a3b161bd4996a241913e8c0ba7a176b508287f746e248d027
[INFO] running `"docker" "start" "-a" "1aadc6e15d7afc9a3b161bd4996a241913e8c0ba7a176b508287f746e248d027"`
[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 1.30s
[INFO] running `"docker" "inspect" "1aadc6e15d7afc9a3b161bd4996a241913e8c0ba7a176b508287f746e248d027"`
[INFO] running `"docker" "rm" "-f" "1aadc6e15d7afc9a3b161bd4996a241913e8c0ba7a176b508287f746e248d027"`
[INFO] [stdout] 1aadc6e15d7afc9a3b161bd4996a241913e8c0ba7a176b508287f746e248d027
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 704ea1d50812565b4b6afb7fd012bf0467b2fc2c8ea83de6515f703b3eb639bb
[INFO] running `"docker" "start" "-a" "704ea1d50812565b4b6afb7fd012bf0467b2fc2c8ea83de6515f703b3eb639bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ls-fa3de307669cd794
[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] running `"docker" "inspect" "704ea1d50812565b4b6afb7fd012bf0467b2fc2c8ea83de6515f703b3eb639bb"`
[INFO] running `"docker" "rm" "-f" "704ea1d50812565b4b6afb7fd012bf0467b2fc2c8ea83de6515f703b3eb639bb"`
[INFO] [stdout] 704ea1d50812565b4b6afb7fd012bf0467b2fc2c8ea83de6515f703b3eb639bb