[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#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalfie%2Fsubkatsu" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/walfie/subkatsu on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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] Downloading crates ... [INFO] [stderr] Downloaded slog v2.4.1 [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 slog-term v2.4.0 [INFO] [stderr] Downloaded combine v2.5.2 [INFO] [stderr] Downloaded itertools v0.6.5 [INFO] [stderr] Downloaded encoding_rs v0.8.15 [INFO] [stderr] Downloaded tempfile v3.0.6 [INFO] [stderr] Downloaded tinysegmenter v0.1.1 [INFO] [stderr] Downloaded vobsub v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a68440382e29a5817a9c6e466f85384767d3b931ceddb835ac6276769b523567 [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" "a68440382e29a5817a9c6e466f85384767d3b931ceddb835ac6276769b523567", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a68440382e29a5817a9c6e466f85384767d3b931ceddb835ac6276769b523567", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a68440382e29a5817a9c6e466f85384767d3b931ceddb835ac6276769b523567", kill_on_drop: false }` [INFO] [stdout] a68440382e29a5817a9c6e466f85384767d3b931ceddb835ac6276769b523567 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec1ce1d941f9c0c0456bdfe18c964bb86bf20ff7ce11e251f323ab239fb7083b [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" "ec1ce1d941f9c0c0456bdfe18c964bb86bf20ff7ce11e251f323ab239fb7083b", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.26 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling slog v2.4.1 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling encoding_rs v0.8.15 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking nom v2.1.0 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking maplit v1.0.1 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking textwrap v0.10.0 [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 itertools v0.6.5 [INFO] [stderr] Checking yaml-rust v0.4.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking tinysegmenter v0.1.1 [INFO] [stderr] Checking walkdir v2.2.7 [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 time v0.1.42 [INFO] [stderr] Checking isatty v0.1.9 [INFO] [stderr] Checking combine v2.5.2 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking slog-async v2.3.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.37 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking tempfile v3.0.6 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking slog-term v2.4.0 [INFO] [stderr] Checking error-chain v0.10.0 [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] Checking serde_yaml v0.7.5 [INFO] [stderr] Checking serde_json v1.0.38 [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>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [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, path) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [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>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [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, path) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [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, path) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [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/screenshots/ffmpeg.rs:57:36 [INFO] [stdout] | [INFO] [stdout] 57 | (Box::new(file) as Box, path) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [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 22s [INFO] running `Command { std: "docker" "inspect" "ec1ce1d941f9c0c0456bdfe18c964bb86bf20ff7ce11e251f323ab239fb7083b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec1ce1d941f9c0c0456bdfe18c964bb86bf20ff7ce11e251f323ab239fb7083b", kill_on_drop: false }` [INFO] [stdout] ec1ce1d941f9c0c0456bdfe18c964bb86bf20ff7ce11e251f323ab239fb7083b