[INFO] updating cached repository garyemerson/du-view
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/garyemerson/du-view
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/garyemerson/du-view" "work/ex/beta-1.38-1/sources/1.37.0/gh/garyemerson/du-view"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/garyemerson/du-view'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garyemerson/du-view" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/garyemerson/du-view"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/garyemerson/du-view'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0cc2dd4b7c420190f0819b6770271049d0bbf0f0
[INFO] sha for GitHub repo garyemerson/du-view: 0cc2dd4b7c420190f0819b6770271049d0bbf0f0
[INFO] validating manifest of garyemerson/du-view 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 garyemerson/du-view 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 garyemerson/du-view
[INFO] finished frobbing garyemerson/du-view
[INFO] frobbed toml for garyemerson/du-view written to work/ex/beta-1.38-1/sources/1.37.0/gh/garyemerson/du-view/Cargo.toml
[INFO] started frobbing garyemerson/du-view
[INFO] finished frobbing garyemerson/du-view
[INFO] frobbed toml for garyemerson/du-view written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/garyemerson/du-view/Cargo.toml
[INFO] crate garyemerson/du-view 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 garyemerson/du-view 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/garyemerson/du-view:/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] d0dedd515447e2da4f126aebf09db6052b4226804d0676376dc62d015ef6d834
[INFO] running `"docker" "start" "-a" "d0dedd515447e2da4f126aebf09db6052b4226804d0676376dc62d015ef6d834"`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling du-view v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/main.rs:91:25
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 &cap[2].trim_right_matches(|c| c == '/' || c == '\\')
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut count = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.46s
[INFO] running `"docker" "inspect" "d0dedd515447e2da4f126aebf09db6052b4226804d0676376dc62d015ef6d834"`
[INFO] running `"docker" "rm" "-f" "d0dedd515447e2da4f126aebf09db6052b4226804d0676376dc62d015ef6d834"`
[INFO] [stdout] d0dedd515447e2da4f126aebf09db6052b4226804d0676376dc62d015ef6d834
[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/garyemerson/du-view:/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] 03a857f4a192b6b2fa15f14330e79cc6338115d9c0d505c18ef28710069e34ac
[INFO] running `"docker" "start" "-a" "03a857f4a192b6b2fa15f14330e79cc6338115d9c0d505c18ef28710069e34ac"`
[INFO] [stderr]    Compiling du-view v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/main.rs:91:25
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 &cap[2].trim_right_matches(|c| c == '/' || c == '\\')
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut count = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "03a857f4a192b6b2fa15f14330e79cc6338115d9c0d505c18ef28710069e34ac"`
[INFO] running `"docker" "rm" "-f" "03a857f4a192b6b2fa15f14330e79cc6338115d9c0d505c18ef28710069e34ac"`
[INFO] [stdout] 03a857f4a192b6b2fa15f14330e79cc6338115d9c0d505c18ef28710069e34ac
[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/garyemerson/du-view:/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] 19d8653fd8cc0caaeb9bbca2ced2b0db7a1eaecff0a2122bc95a75ad4a966094
[INFO] running `"docker" "start" "-a" "19d8653fd8cc0caaeb9bbca2ced2b0db7a1eaecff0a2122bc95a75ad4a966094"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/du_view-451def48e881bb79
[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" "19d8653fd8cc0caaeb9bbca2ced2b0db7a1eaecff0a2122bc95a75ad4a966094"`
[INFO] running `"docker" "rm" "-f" "19d8653fd8cc0caaeb9bbca2ced2b0db7a1eaecff0a2122bc95a75ad4a966094"`
[INFO] [stdout] 19d8653fd8cc0caaeb9bbca2ced2b0db7a1eaecff0a2122bc95a75ad4a966094