[INFO] cloning repository https://github.com/luoluoqixi/separating_image
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luoluoqixi/separating_image" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluoluoqixi%2Fseparating_image", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluoluoqixi%2Fseparating_image'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51c1351758ac5455ae69313f3fccd04df96cd9f6
[INFO] checking luoluoqixi/separating_image 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%2Fluoluoqixi%2Fseparating_image" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luoluoqixi/separating_image
[INFO] finished tweaking git repo https://github.com/luoluoqixi/separating_image
[INFO] tweaked toml for git repo https://github.com/luoluoqixi/separating_image written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luoluoqixi/separating_image 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/luoluoqixi/separating_image 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a494e7283598cbd47355be2946e20cf446db1c36f6f7c97d286d01cbb4e16dbc
[INFO] running `Command { std: "docker" "start" "-a" "a494e7283598cbd47355be2946e20cf446db1c36f6f7c97d286d01cbb4e16dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a494e7283598cbd47355be2946e20cf446db1c36f6f7c97d286d01cbb4e16dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a494e7283598cbd47355be2946e20cf446db1c36f6f7c97d286d01cbb4e16dbc", kill_on_drop: false }`
[INFO] [stdout] a494e7283598cbd47355be2946e20cf446db1c36f6f7c97d286d01cbb4e16dbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1fbc48eaa64bb6b1d5b1d5d1e412edfd19b60abc163dde692a3e8b617a54901a
[INFO] running `Command { std: "docker" "start" "-a" "1fbc48eaa64bb6b1d5b1d5d1e412edfd19b60abc163dde692a3e8b617a54901a", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling built v0.7.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking bitstream-io v2.2.0
[INFO] [stderr]     Checking imgref v1.10.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking avif-serialize v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking zune-jpeg v0.4.11
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking av1-grain v0.2.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling profiling-procmacros v1.0.15
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]     Checking profiling v1.0.15
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking image-webp v0.1.1
[INFO] [stderr]     Checking ravif v0.11.5
[INFO] [stderr]     Checking image v0.25.1
[INFO] [stderr]     Checking separating_image v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt()]
[INFO] [stdout] 17 | |     cmd: 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:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     #[structopt(long = "output")]
[INFO] [stdout] 19 | |     output: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_images(data: &[u8]) -> Vec<ImageData> {
[INFO] [stdout]    |                      ^^^^^         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_images(data: &[u8]) -> Vec<ImageData<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `separating_image` (bin "separating_image") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[structopt()]
[INFO] [stdout] 17 | |     cmd: 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:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     #[structopt(long = "output")]
[INFO] [stdout] 19 | |     output: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_images(data: &[u8]) -> Vec<ImageData> {
[INFO] [stdout]    |                      ^^^^^         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_images(data: &[u8]) -> Vec<ImageData<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `separating_image` (bin "separating_image" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1fbc48eaa64bb6b1d5b1d5d1e412edfd19b60abc163dde692a3e8b617a54901a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fbc48eaa64bb6b1d5b1d5d1e412edfd19b60abc163dde692a3e8b617a54901a", kill_on_drop: false }`
[INFO] [stdout] 1fbc48eaa64bb6b1d5b1d5d1e412edfd19b60abc163dde692a3e8b617a54901a