[INFO] fetching crate color_blinder 1.0.2... [INFO] checking color_blinder-1.0.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate color_blinder 1.0.2 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate color_blinder 1.0.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate color_blinder 1.0.2 [INFO] finished tweaking crates.io crate color_blinder 1.0.2 [INFO] tweaked toml for crates.io crate color_blinder 1.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate color_blinder 1.0.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Downloaded structopt-derive v0.4.14 [INFO] [stderr] Downloaded hermit-abi v0.1.17 [INFO] [stderr] Downloaded ctor v0.1.17 [INFO] [stderr] Downloaded output_vt100 v0.1.2 [INFO] [stderr] Downloaded structopt v0.3.21 [INFO] [stderr] Downloaded bytemuck v1.4.1 [INFO] [stderr] Downloaded gif v0.11.1 [INFO] [stderr] Downloaded crc32fast v1.2.1 [INFO] [stderr] Downloaded byteorder v1.4.2 [INFO] [stderr] Downloaded crossbeam-channel v0.5.0 [INFO] [stderr] Downloaded rayon-core v1.9.0 [INFO] [stderr] Downloaded rayon v1.5.0 [INFO] [stderr] Downloaded libc v0.2.82 [INFO] [stderr] Downloaded jpeg-decoder v0.1.20 [INFO] [stderr] Downloaded image v0.23.12 [INFO] [stderr] Downloaded syn v1.0.58 [INFO] [stderr] Downloaded const_fn v0.4.5 [INFO] [stderr] Downloaded memoffset v0.6.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.1 [INFO] [stderr] Downloaded crossbeam-deque v0.8.0 [INFO] [stderr] Downloaded crossbeam-utils v0.8.1 [INFO] [stderr] Downloaded weezl v0.1.3 [INFO] [stderr] Downloaded unicode-segmentation v1.7.1 [INFO] [stderr] Downloaded heck v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 979275e3c8ee487add8b8c306810268a6c266564dc4909a6fdfaede17df145d7 [INFO] running `Command { std: "docker" "start" "-a" "979275e3c8ee487add8b8c306810268a6c266564dc4909a6fdfaede17df145d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "979275e3c8ee487add8b8c306810268a6c266564dc4909a6fdfaede17df145d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "979275e3c8ee487add8b8c306810268a6c266564dc4909a6fdfaede17df145d7", kill_on_drop: false }` [INFO] [stdout] 979275e3c8ee487add8b8c306810268a6c266564dc4909a6fdfaede17df145d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 313e5b4ae79416547e2231a376cc2d63f7c31c78e218051a064617b7514eef35 [INFO] running `Command { std: "docker" "start" "-a" "313e5b4ae79416547e2231a376cc2d63f7c31c78e218051a064617b7514eef35", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking weezl v0.1.3 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Checking bytemuck v1.4.1 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Checking rusttype v0.9.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.12 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking color_blinder v1.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | use std::iter::{IntoIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | use std::iter::{IntoIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `non_camal_case` [INFO] [stdout] --> src/lib.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | #[allow(non_camal_case)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | use std::iter::{IntoIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib.rs:10:31 [INFO] [stdout] | [INFO] [stdout] 10 | use std::iter::{IntoIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `non_camal_case` [INFO] [stdout] --> src/lib.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | #[allow(non_camal_case)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:423:28 [INFO] [stdout] | [INFO] [stdout] 423 | let func = func.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box Fn(&'a Rgba) -> Rgba + Send + Sync>` does not implement `Clone`, so calling `clone` on `&Box Fn(&'a Rgba) -> Rgba + Send + Sync>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 423 - let func = func.clone(); [INFO] [stdout] 423 + let func = func; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:423:28 [INFO] [stdout] | [INFO] [stdout] 423 | let func = func.clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box Fn(&'a Rgba) -> Rgba + Send + Sync>` does not implement `Clone`, so calling `clone` on `&Box Fn(&'a Rgba) -> Rgba + Send + Sync>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 423 - let func = func.clone(); [INFO] [stdout] 423 + let func = func; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.90s [INFO] running `Command { std: "docker" "inspect" "313e5b4ae79416547e2231a376cc2d63f7c31c78e218051a064617b7514eef35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "313e5b4ae79416547e2231a376cc2d63f7c31c78e218051a064617b7514eef35", kill_on_drop: false }` [INFO] [stdout] 313e5b4ae79416547e2231a376cc2d63f7c31c78e218051a064617b7514eef35