[INFO] updating cached repository walfie/subkatsu
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/walfie/subkatsu
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/walfie/subkatsu" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/walfie/subkatsu"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/walfie/subkatsu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/walfie/subkatsu" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/walfie/subkatsu"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/walfie/subkatsu'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9406028b6fe98efc665bf705bae15e3d444a3a69
[INFO] sha for GitHub repo walfie/subkatsu: 9406028b6fe98efc665bf705bae15e3d444a3a69
[INFO] validating manifest of walfie/subkatsu on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of walfie/subkatsu on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing walfie/subkatsu
[INFO] finished frobbing walfie/subkatsu
[INFO] frobbed toml for walfie/subkatsu written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/walfie/subkatsu/Cargo.toml
[INFO] started frobbing walfie/subkatsu
[INFO] finished frobbing walfie/subkatsu
[INFO] frobbed toml for walfie/subkatsu written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/walfie/subkatsu/Cargo.toml
[INFO] crate walfie/subkatsu already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking walfie/subkatsu against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/walfie/subkatsu:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f29e73f91fe4c6ef61119ad29395fecbd06337a89b77f069b8dfad3c83e35b1b
[INFO] running `"docker" "start" "-a" "f29e73f91fe4c6ef61119ad29395fecbd06337a89b77f069b8dfad3c83e35b1b"`
[INFO] [stderr]    Compiling encoding_rs v0.8.15
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking tempfile v3.0.6
[INFO] [stderr]     Checking tinysegmenter v0.1.1
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking vobsub v0.2.3
[INFO] [stderr]     Checking subparse v0.4.0 (https://github.com/walfie/subparse.git?rev=12fa1f4d9e6e72ad3205f5e1019f1c2527d65f6b#12fa1f4d)
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking markov v1.0.2
[INFO] [stderr]     Checking subkatsu v0.1.4-alpha.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 self.0 = e.cause();
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 self.0 = e.cause();
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.23s
[INFO] running `"docker" "inspect" "f29e73f91fe4c6ef61119ad29395fecbd06337a89b77f069b8dfad3c83e35b1b"`
[INFO] running `"docker" "rm" "-f" "f29e73f91fe4c6ef61119ad29395fecbd06337a89b77f069b8dfad3c83e35b1b"`
[INFO] [stdout] f29e73f91fe4c6ef61119ad29395fecbd06337a89b77f069b8dfad3c83e35b1b