[INFO] cloning repository https://github.com/Yucklys/rumoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yucklys/rumoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYucklys%2Frumoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYucklys%2Frumoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4be8eee72b235dc9bc6ed24b7c955b5903b62bc6
[INFO] checking Yucklys/rumoc against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYucklys%2Frumoc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yucklys/rumoc
[INFO] finished tweaking git repo https://github.com/Yucklys/rumoc
[INFO] tweaked toml for git repo https://github.com/Yucklys/rumoc written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yucklys/rumoc on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Yucklys/rumoc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a9132deaa7bf0b49e5adc6227c5cea0b4dd51c0a897814da76c55cd65133bf1
[INFO] running `Command { std: "docker" "start" "-a" "4a9132deaa7bf0b49e5adc6227c5cea0b4dd51c0a897814da76c55cd65133bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a9132deaa7bf0b49e5adc6227c5cea0b4dd51c0a897814da76c55cd65133bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9132deaa7bf0b49e5adc6227c5cea0b4dd51c0a897814da76c55cd65133bf1", kill_on_drop: false }`
[INFO] [stdout] 4a9132deaa7bf0b49e5adc6227c5cea0b4dd51c0a897814da76c55cd65133bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c55641cb201974e5772cf7693fde1792591089c8165a7c08bc19d0d845b2294
[INFO] running `Command { std: "docker" "start" "-a" "8c55641cb201974e5772cf7693fde1792591089c8165a7c08bc19d0d845b2294", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking itertools v0.10.4
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling include_dir_macros v0.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking zip v0.6.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking include_dir v0.7.2
[INFO] [stderr]     Checking lingua-chinese-language-model v1.0.1
[INFO] [stderr]     Checking lingua-english-language-model v1.0.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking fraction v0.10.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking x11rb v0.9.0
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking serde v1.0.144
[INFO] [stderr]     Checking arboard v2.1.1
[INFO] [stderr]     Checking serde_json v1.0.85
[INFO] [stderr]     Checking stop-words v0.6.2
[INFO] [stderr]     Checking lingua v1.4.0
[INFO] [stderr]     Checking rumoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new` and `get_lang` are never used
[INFO] [stdout]   --> src/summarizer.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Summarizer {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn new(lang: Language) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn get_lang(&self) -> &Option<Language> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_matrix` is never used
[INFO] [stdout]    --> src/summarizer.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn print_matrix<T: std::fmt::Display>(m: &Vec<Vec<T>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/summarizer.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Summarizer {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(lang: Language) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_matrix` is never used
[INFO] [stdout]    --> src/summarizer.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn print_matrix<T: std::fmt::Display>(m: &Vec<Vec<T>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     src: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     src: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rumoc` (bin "rumoc" test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rumoc` (bin "rumoc") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8c55641cb201974e5772cf7693fde1792591089c8165a7c08bc19d0d845b2294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c55641cb201974e5772cf7693fde1792591089c8165a7c08bc19d0d845b2294", kill_on_drop: false }`
[INFO] [stdout] 8c55641cb201974e5772cf7693fde1792591089c8165a7c08bc19d0d845b2294
