[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#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Fsubkatsu" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/walfie/subkatsu on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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-8/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/walfie/subparse.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safemem v0.2.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff2f655e861f8f46ccd28ad99cd4dc278dcc85deacef03d9dad61b69bdfd4d45
[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" "ff2f655e861f8f46ccd28ad99cd4dc278dcc85deacef03d9dad61b69bdfd4d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff2f655e861f8f46ccd28ad99cd4dc278dcc85deacef03d9dad61b69bdfd4d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2f655e861f8f46ccd28ad99cd4dc278dcc85deacef03d9dad61b69bdfd4d45", kill_on_drop: false }`
[INFO] [stdout] ff2f655e861f8f46ccd28ad99cd4dc278dcc85deacef03d9dad61b69bdfd4d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 908e46fdc2f726b43f28adca7a993ddf4c6385e836381e38e3d38d0c3c3a8115
[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" "908e46fdc2f726b43f28adca7a993ddf4c6385e836381e38e3d38d0c3c3a8115", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.15
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking ascii v0.7.1
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[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking tinysegmenter v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking num-traits v0.1.43
[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]     Checking image v0.13.0
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking tempfile v3.0.6
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking vobsub v0.2.3
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking subparse v0.4.0 (https://github.com/walfie/subparse.git?rev=12fa1f4d9e6e72ad3205f5e1019f1c2527d65f6b#12fa1f4d)
[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 59.81s
[INFO] running `Command { std: "docker" "inspect" "908e46fdc2f726b43f28adca7a993ddf4c6385e836381e38e3d38d0c3c3a8115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908e46fdc2f726b43f28adca7a993ddf4c6385e836381e38e3d38d0c3c3a8115", kill_on_drop: false }`
[INFO] [stdout] 908e46fdc2f726b43f28adca7a993ddf4c6385e836381e38e3d38d0c3c3a8115