[INFO] fetching crate image-effects 0.1.0...
[INFO] checking image-effects-0.1.0 against c999cef531ea9059e189e82fe0e82c5daf249bc9 for pr-160904
[INFO] extracting crate image-effects 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate image-effects 0.1.0
[INFO] finished tweaking crates.io crate image-effects 0.1.0
[INFO] tweaked toml for crates.io crate image-effects 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate image-effects 0.1.0 on toolchain c999cef531ea9059e189e82fe0e82c5daf249bc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 207 packages to highest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.23.1)
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.10)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.17.2)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.13.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded system-configuration v0.5.1
[INFO] [stderr]   Downloaded winreg v0.50.0
[INFO] [stderr]   Downloaded system-configuration-sys v0.5.0
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.4
[INFO] [stderr]   Downloaded hyper-tls v0.5.0
[INFO] [stderr]   Downloaded reqwest v0.11.27
[INFO] [stderr]   Downloaded siphasher v1.0.4
[INFO] [stderr]   Downloaded gif v0.13.3
[INFO] [stderr]   Downloaded png v0.17.16
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.2
[INFO] [stderr]   Downloaded image v0.24.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d46904d5aacf80766937eebb98168bb9a83fe047a07e2480cde76ef8d982c5f8
[INFO] running `Command { std: "docker" "start" "d46904d5aacf80766937eebb98168bb9a83fe047a07e2480cde76ef8d982c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d46904d5aacf80766937eebb98168bb9a83fe047a07e2480cde76ef8d982c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d46904d5aacf80766937eebb98168bb9a83fe047a07e2480cde76ef8d982c5f8" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d46904d5aacf80766937eebb98168bb9a83fe047a07e2480cde76ef8d982c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d46904d5aacf80766937eebb98168bb9a83fe047a07e2480cde76ef8d982c5f8" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcpkg v0.2.15
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[INFO] [stderr]     Checking image-effects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]  --> src/utils/numops.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[inline] pub fn sum(nums: &[u8]) -> usize {
[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 `average` is never used
[INFO] [stdout]  --> src/utils/numops.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[inline] pub fn average(nums: &[u8]) -> f64 {
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/filter/raw.rs:85:42
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut gradient = Vec::from(gradient.clone());
[INFO] [stdout]    |                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[(U, f32)]` does not implement `Clone`, so calling `clone` on `&[(U, f32)]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]  --> src/utils/numops.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[inline] pub fn sum(nums: &[u8]) -> usize {
[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 `average` is never used
[INFO] [stdout]  --> src/utils/numops.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[inline] pub fn average(nums: &[u8]) -> f64 {
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/filter/raw.rs:85:42
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut gradient = Vec::from(gradient.clone());
[INFO] [stdout]    |                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[(U, f32)]` does not implement `Clone`, so calling `clone` on `&[(U, f32)]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `num`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.num]
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `num`
[INFO] [stderr] warning: `image-effects` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.28s
[INFO] running `Command { std: "docker" "inspect" "d46904d5aacf80766937eebb98168bb9a83fe047a07e2480cde76ef8d982c5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46904d5aacf80766937eebb98168bb9a83fe047a07e2480cde76ef8d982c5f8", kill_on_drop: false }`
[INFO] [stdout] d46904d5aacf80766937eebb98168bb9a83fe047a07e2480cde76ef8d982c5f8
