[INFO] cloning repository https://github.com/walfie/subkatsu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/walfie/subkatsu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Fsubkatsu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Fsubkatsu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9406028b6fe98efc665bf705bae15e3d444a3a69
[INFO] checking walfie/subkatsu against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Fsubkatsu" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/walfie/subkatsu on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/walfie/subkatsu
[INFO] finished tweaking git repo https://github.com/walfie/subkatsu
[INFO] tweaked toml for git repo https://github.com/walfie/subkatsu written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/walfie/subkatsu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/walfie/subparse.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.13
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded slog-async v2.3.0
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded nom v2.1.0
[INFO] [stderr]   Downloaded markov v1.0.2
[INFO] [stderr]   Downloaded tempfile v3.0.6
[INFO] [stderr]   Downloaded tinysegmenter v0.1.1
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded slog v2.4.1
[INFO] [stderr]   Downloaded image v0.13.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.15
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded vobsub v0.2.3
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83683353663b33a8166c3414549c33a2e5f430830dbd9634eef6b720403882d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "83683353663b33a8166c3414549c33a2e5f430830dbd9634eef6b720403882d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83683353663b33a8166c3414549c33a2e5f430830dbd9634eef6b720403882d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83683353663b33a8166c3414549c33a2e5f430830dbd9634eef6b720403882d6", kill_on_drop: false }`
[INFO] [stdout] 83683353663b33a8166c3414549c33a2e5f430830dbd9634eef6b720403882d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8acf555019570f28f58e9fed579924d1878fce88ab2697227edecb1f395b2d73
[INFO] running `Command { std: "docker" "start" "-a" "8acf555019570f28f58e9fed579924d1878fce88ab2697227edecb1f395b2d73", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking encoding_rs v0.8.15
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tinysegmenter v0.1.1
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking tempfile v3.0.6
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking vobsub v0.2.3
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking serde_json v1.0.38
[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 markov v1.0.2
[INFO] [stderr]     Checking subkatsu v0.1.4-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub cause: Option<Box<StdError + 'static>>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screenshots/ffmpeg.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (Box::new(file) as Box<std::io::Write>, path)
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screenshots/ffmpeg.rs:57:36
[INFO] [stdout]    |
[INFO] [stdout] 57 |             (Box::new(file) as Box<std::io::Write>, path)
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/train.rs:72:18
[INFO] [stdout]    |
[INFO] [stdout] 72 |     source: &mut (impl std::io::Read),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub cause: Option<Box<StdError + 'static>>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screenshots/ffmpeg.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (Box::new(file) as Box<std::io::Write>, path)
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screenshots/ffmpeg.rs:57:36
[INFO] [stdout]    |
[INFO] [stdout] 57 |             (Box::new(file) as Box<std::io::Write>, path)
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/train.rs:72:18
[INFO] [stdout]    |
[INFO] [stdout] 72 |     source: &mut (impl std::io::Read),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 self.0 = e.cause();
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 self.0 = e.cause();
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "8acf555019570f28f58e9fed579924d1878fce88ab2697227edecb1f395b2d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8acf555019570f28f58e9fed579924d1878fce88ab2697227edecb1f395b2d73", kill_on_drop: false }`
[INFO] [stdout] 8acf555019570f28f58e9fed579924d1878fce88ab2697227edecb1f395b2d73