[INFO] fetching crate bmp-rust 0.5.0...
[INFO] checking bmp-rust-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bmp-rust 0.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate bmp-rust 0.5.0
[INFO] finished tweaking crates.io crate bmp-rust 0.5.0
[INFO] tweaked toml for crates.io crate bmp-rust 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bmp-rust 0.5.0 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 bmp-rust 0.5.0 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] b94042dc858bcb4f6943805bd317b2f9e7c5f186622d0878707824f52e4a2c44
[INFO] running `Command { std: "docker" "start" "-a" "b94042dc858bcb4f6943805bd317b2f9e7c5f186622d0878707824f52e4a2c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b94042dc858bcb4f6943805bd317b2f9e7c5f186622d0878707824f52e4a2c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94042dc858bcb4f6943805bd317b2f9e7c5f186622d0878707824f52e4a2c44", kill_on_drop: false }`
[INFO] [stdout] b94042dc858bcb4f6943805bd317b2f9e7c5f186622d0878707824f52e4a2c44
[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] 18b34fe1a7ca3fa016a9fd77c55248aad1e9a6056c4d0db6d09e65fc3bf3be22
[INFO] running `Command { std: "docker" "start" "-a" "18b34fe1a7ca3fa016a9fd77c55248aad1e9a6056c4d0db6d09e65fc3bf3be22", kill_on_drop: false }`
[INFO] [stderr]     Checking bmp-rust v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `EXTRA_BIT_MASKS` is never used
[INFO] [stdout]    --> src/bmp.rs:357:6
[INFO] [stdout]     |
[INFO] [stdout] 357 | enum EXTRA_BIT_MASKS {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `vec_to_1u8_array`, `get_extra_bit_masks`, and `get_color_profile` are never used
[INFO] [stdout]     --> src/bmp.rs:498:6
[INFO] [stdout]      |
[INFO] [stdout]  387 | impl BMP {
[INFO] [stdout]      | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  498 |   fn vec_to_1u8_array(vector: Vec<u8>) -> [u8; 1] {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  945 |   fn get_extra_bit_masks(&self) -> Result<EXTRA_BIT_MASKS, ErrorKind> {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1139 |   fn get_color_profile(&self) -> Result<Vec<u8>, ErrorKind> {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/bmp.rs:711:20
[INFO] [stdout]     |
[INFO] [stdout] 711 |       bfReserved1: header_bytes[6..8].try_into().unwrap(),
[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<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/bmp.rs:712:20
[INFO] [stdout]     |
[INFO] [stdout] 712 |       bfReserved2: header_bytes[8..10].try_into().unwrap(),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/bmp.rs:934:26
[INFO] [stdout]     |
[INFO] [stdout] 934 |           Reserved: Some(self.contents[HEADER_OFFSET+120..HEADER_OFFSET+124].try_into().unwrap()),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EXTRA_BIT_MASKS` is never used
[INFO] [stdout]    --> src/bmp.rs:357:6
[INFO] [stdout]     |
[INFO] [stdout] 357 | enum EXTRA_BIT_MASKS {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `vec_to_1u8_array`, `get_extra_bit_masks`, and `get_color_profile` are never used
[INFO] [stdout]     --> src/bmp.rs:498:6
[INFO] [stdout]      |
[INFO] [stdout]  387 | impl BMP {
[INFO] [stdout]      | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  498 |   fn vec_to_1u8_array(vector: Vec<u8>) -> [u8; 1] {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  945 |   fn get_extra_bit_masks(&self) -> Result<EXTRA_BIT_MASKS, ErrorKind> {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1139 |   fn get_color_profile(&self) -> Result<Vec<u8>, ErrorKind> {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/bmp.rs:711:20
[INFO] [stdout]     |
[INFO] [stdout] 711 |       bfReserved1: header_bytes[6..8].try_into().unwrap(),
[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<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/bmp.rs:712:20
[INFO] [stdout]     |
[INFO] [stdout] 712 |       bfReserved2: header_bytes[8..10].try_into().unwrap(),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/bmp.rs:934:26
[INFO] [stdout]     |
[INFO] [stdout] 934 |           Reserved: Some(self.contents[HEADER_OFFSET+120..HEADER_OFFSET+124].try_into().unwrap()),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bmp-rust` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bmp-rust` (lib test) due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "18b34fe1a7ca3fa016a9fd77c55248aad1e9a6056c4d0db6d09e65fc3bf3be22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b34fe1a7ca3fa016a9fd77c55248aad1e9a6056c4d0db6d09e65fc3bf3be22", kill_on_drop: false }`
[INFO] [stdout] 18b34fe1a7ca3fa016a9fd77c55248aad1e9a6056c4d0db6d09e65fc3bf3be22