[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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/walfie/subkatsu"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/walfie/subkatsu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/walfie/subkatsu" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/walfie/subkatsu"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of walfie/subkatsu on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/walfie/subkatsu/Cargo.toml
[INFO] crate walfie/subkatsu already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking walfie/subkatsu against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/walfie/subkatsu:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cb1ba0ab826e5c9ad1ac6cdea7b978b847a86ef4bbedb3949057380b0e563ec0
[INFO] running `"docker" "start" "-a" "cb1ba0ab826e5c9ad1ac6cdea7b978b847a86ef4bbedb3949057380b0e563ec0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling encoding_rs v0.8.15
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking tinysegmenter v0.1.1
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking tempfile v3.0.6
[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 serde_derive v1.0.85
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking markov v1.0.2
[INFO] [stderr]     Checking subkatsu v0.1.4-alpha.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub cause: Option<Box<StdError + 'static>>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screenshots/ffmpeg.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Box::new(file) as Box<std::io::Write>, path)
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screenshots/ffmpeg.rs:57:36
[INFO] [stderr]    |
[INFO] [stderr] 57 |             (Box::new(file) as Box<std::io::Write>, path)
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub cause: Option<Box<StdError + 'static>>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screenshots/ffmpeg.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Box::new(file) as Box<std::io::Write>, path)
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screenshots/ffmpeg.rs:57:36
[INFO] [stderr]    |
[INFO] [stderr] 57 |             (Box::new(file) as Box<std::io::Write>, path)
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[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] 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 1m 10s
[INFO] running `"docker" "inspect" "cb1ba0ab826e5c9ad1ac6cdea7b978b847a86ef4bbedb3949057380b0e563ec0"`
[INFO] running `"docker" "rm" "-f" "cb1ba0ab826e5c9ad1ac6cdea7b978b847a86ef4bbedb3949057380b0e563ec0"`
[INFO] [stdout] cb1ba0ab826e5c9ad1ac6cdea7b978b847a86ef4bbedb3949057380b0e563ec0