[INFO] fetching crate findcues 0.3.2...
[INFO] checking findcues-0.3.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate findcues 0.3.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate findcues 0.3.2
[INFO] finished tweaking crates.io crate findcues 0.3.2
[INFO] tweaked toml for crates.io crate findcues 0.3.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate findcues 0.3.2 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 crates.io crate findcues 0.3.2 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 20c80af84c50ab7913dbc2181abc2fd9062376bb68b0bce061bb86d7aa9979c4
[INFO] running `Command { std: "docker" "start" "-a" "20c80af84c50ab7913dbc2181abc2fd9062376bb68b0bce061bb86d7aa9979c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20c80af84c50ab7913dbc2181abc2fd9062376bb68b0bce061bb86d7aa9979c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c80af84c50ab7913dbc2181abc2fd9062376bb68b0bce061bb86d7aa9979c4", kill_on_drop: false }`
[INFO] [stdout] 20c80af84c50ab7913dbc2181abc2fd9062376bb68b0bce061bb86d7aa9979c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b2d388774942e83e7fcc7f597f0f58498f71f4ee650c36618964bd1781b618ac
[INFO] running `Command { std: "docker" "start" "-a" "b2d388774942e83e7fcc7f597f0f58498f71f4ee650c36618964bd1781b618ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]     Checking tinystr v0.5.0
[INFO] [stderr]     Checking clap v3.0.14
[INFO] [stderr]     Checking findcues v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id` and `size` are never read
[INFO] [stdout]   --> src/unriff.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Chunk {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 68 |     pub id: TinyStr4,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 69 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chunk` 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] warning: fields `id` and `size` are never read
[INFO] [stdout]   --> src/unriff.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Chunk {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 68 |     pub id: TinyStr4,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 69 |     pub size: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chunk` 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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     input: Vec<PathBuf>,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     input: Vec<PathBuf>,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     #[clap(short, long)]
[INFO] [stdout] 15 | |     output: Option<PathBuf>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /     #[clap(short, long)]
[INFO] [stdout] 15 | |     output: Option<PathBuf>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `findcues` (bin "findcues") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `findcues` (bin "findcues" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b2d388774942e83e7fcc7f597f0f58498f71f4ee650c36618964bd1781b618ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d388774942e83e7fcc7f597f0f58498f71f4ee650c36618964bd1781b618ac", kill_on_drop: false }`
[INFO] [stdout] b2d388774942e83e7fcc7f597f0f58498f71f4ee650c36618964bd1781b618ac
