[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/beta-1.38-1/sources/1.37.0/gh/walfie/subkatsu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/walfie/subkatsu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/walfie/subkatsu" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/walfie/subkatsu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 walfie/subkatsu 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 walfie/subkatsu
[INFO] finished frobbing walfie/subkatsu
[INFO] frobbed toml for walfie/subkatsu written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+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 walfie/subkatsu 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-7/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/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=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] 765ff866b853997143b03d9a62ba1cf1b76b1ba4cd05f279271d3a6204f7cdca
[INFO] running `"docker" "start" "-a" "765ff866b853997143b03d9a62ba1cf1b76b1ba4cd05f279271d3a6204f7cdca"`
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling encoding_rs v0.8.15
[INFO] [stderr]    Compiling nom v2.1.0
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling tinysegmenter v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling combine v2.5.2
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling tempfile v3.0.6
[INFO] [stderr]    Compiling vobsub v0.2.3
[INFO] [stderr]    Compiling 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]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling markov v1.0.2
[INFO] [stderr]    Compiling 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: 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 2m 00s
[INFO] running `"docker" "inspect" "765ff866b853997143b03d9a62ba1cf1b76b1ba4cd05f279271d3a6204f7cdca"`
[INFO] running `"docker" "rm" "-f" "765ff866b853997143b03d9a62ba1cf1b76b1ba4cd05f279271d3a6204f7cdca"`
[INFO] [stdout] 765ff866b853997143b03d9a62ba1cf1b76b1ba4cd05f279271d3a6204f7cdca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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=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] c26473a6a7459d615d5a1508001148bbf450449f6e1f6dbffc4ec3e976f1a62d
[INFO] running `"docker" "start" "-a" "c26473a6a7459d615d5a1508001148bbf450449f6e1f6dbffc4ec3e976f1a62d"`
[INFO] [stderr]    Compiling 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: 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 3.84s
[INFO] running `"docker" "inspect" "c26473a6a7459d615d5a1508001148bbf450449f6e1f6dbffc4ec3e976f1a62d"`
[INFO] running `"docker" "rm" "-f" "c26473a6a7459d615d5a1508001148bbf450449f6e1f6dbffc4ec3e976f1a62d"`
[INFO] [stdout] c26473a6a7459d615d5a1508001148bbf450449f6e1f6dbffc4ec3e976f1a62d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/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=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] f6fe36455e0f250bcc03c2ce228a09c0d88e42cd251f11bf0d63c3287fbc2cd5
[INFO] running `"docker" "start" "-a" "f6fe36455e0f250bcc03c2ce228a09c0d88e42cd251f11bf0d63c3287fbc2cd5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/subkatsu-7295f5a80eeb0983
[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] [stderr]      Running /opt/crater/target/debug/deps/subkatsu-b9f3796426ac29b3
[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] [stderr]    Doc-tests subkatsu
[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" "f6fe36455e0f250bcc03c2ce228a09c0d88e42cd251f11bf0d63c3287fbc2cd5"`
[INFO] running `"docker" "rm" "-f" "f6fe36455e0f250bcc03c2ce228a09c0d88e42cd251f11bf0d63c3287fbc2cd5"`
[INFO] [stdout] f6fe36455e0f250bcc03c2ce228a09c0d88e42cd251f11bf0d63c3287fbc2cd5