[INFO] cloning repository https://github.com/nikola-kocic/lrc-to-sub-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikola-kocic/lrc-to-sub-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikola-kocic%2Flrc-to-sub-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikola-kocic%2Flrc-to-sub-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c4cdb05e551dd2cba2dfdfdd71d5cf36db6afdc
[INFO] checking nikola-kocic/lrc-to-sub-rs 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%2Fnikola-kocic%2Flrc-to-sub-rs" "/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/nikola-kocic/lrc-to-sub-rs
[INFO] finished tweaking git repo https://github.com/nikola-kocic/lrc-to-sub-rs
[INFO] tweaked toml for git repo https://github.com/nikola-kocic/lrc-to-sub-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nikola-kocic/lrc-to-sub-rs 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/nikola-kocic/lrc-to-sub-rs 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] 8f86d62b325fe5f1b09f8270b157f17f26cc4648ccef608e93be035a52fc89f8
[INFO] running `Command { std: "docker" "start" "-a" "8f86d62b325fe5f1b09f8270b157f17f26cc4648ccef608e93be035a52fc89f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f86d62b325fe5f1b09f8270b157f17f26cc4648ccef608e93be035a52fc89f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f86d62b325fe5f1b09f8270b157f17f26cc4648ccef608e93be035a52fc89f8", kill_on_drop: false }`
[INFO] [stdout] 8f86d62b325fe5f1b09f8270b157f17f26cc4648ccef608e93be035a52fc89f8
[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] cba62736a35155b5c71fc8526b8735af7d6d58b3b58e6fed72a47ff09c139846
[INFO] running `Command { std: "docker" "start" "-a" "cba62736a35155b5c71fc8526b8735af7d6d58b3b58e6fed72a47ff09c139846", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking lrc-to-sub-rs v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]   --> src/lrc.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct LrcFile {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 63 |     metadata: Vec<(String, String)>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LrcFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Primary color, in AARRGGBB hex format
[INFO] [stdout] 30 | |     #[structopt(long, default_value = "00FFFFFF")]
[INFO] [stdout] 31 | |     primary_color: 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<String, Infallible>
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// Secondary color, in AARRGGBB hex format
[INFO] [stdout] 34 | |     #[structopt(long, default_value = "00EF8800")]
[INFO] [stdout] 35 | |     secondary_color: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     /// Secondary color for long text, in AARRGGBB hex format
[INFO] [stdout] 38 | |     #[structopt(long, default_value = "00BF6C00")]
[INFO] [stdout] 39 | |     long_text_secondary_color: String,
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lrc-to-sub-rs` (bin "lrc-to-sub-rs") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]   --> src/lrc.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct LrcFile {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 63 |     metadata: Vec<(String, String)>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LrcFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// Primary color, in AARRGGBB hex format
[INFO] [stdout] 30 | |     #[structopt(long, default_value = "00FFFFFF")]
[INFO] [stdout] 31 | |     primary_color: 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<String, Infallible>
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     /// Secondary color, in AARRGGBB hex format
[INFO] [stdout] 34 | |     #[structopt(long, default_value = "00EF8800")]
[INFO] [stdout] 35 | |     secondary_color: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     /// Secondary color for long text, in AARRGGBB hex format
[INFO] [stdout] 38 | |     #[structopt(long, default_value = "00BF6C00")]
[INFO] [stdout] 39 | |     long_text_secondary_color: String,
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lrc-to-sub-rs` (bin "lrc-to-sub-rs" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cba62736a35155b5c71fc8526b8735af7d6d58b3b58e6fed72a47ff09c139846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba62736a35155b5c71fc8526b8735af7d6d58b3b58e6fed72a47ff09c139846", kill_on_drop: false }`
[INFO] [stdout] cba62736a35155b5c71fc8526b8735af7d6d58b3b58e6fed72a47ff09c139846