[INFO] fetching crate pix 0.13.3...
[INFO] checking pix-0.13.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate pix 0.13.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate pix 0.13.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pix 0.13.3
[INFO] finished tweaking crates.io crate pix 0.13.3
[INFO] tweaked toml for crates.io crate pix 0.13.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate pix 0.13.3 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.5.1
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9c15c13c96425a8e5eedc5bf386f4e50705a0cf2811ce47b99fa38871efe0e7
[INFO] running `Command { std: "docker" "start" "-a" "d9c15c13c96425a8e5eedc5bf386f4e50705a0cf2811ce47b99fa38871efe0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9c15c13c96425a8e5eedc5bf386f4e50705a0cf2811ce47b99fa38871efe0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c15c13c96425a8e5eedc5bf386f4e50705a0cf2811ce47b99fa38871efe0e7", kill_on_drop: false }`
[INFO] [stdout] d9c15c13c96425a8e5eedc5bf386f4e50705a0cf2811ce47b99fa38871efe0e7
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5ae6676d4c4b0fd01f32d9a7c32b8ffa6fd83157f03ef31306735ec678d6b7e
[INFO] running `Command { std: "docker" "start" "-a" "c5ae6676d4c4b0fd01f32d9a7c32b8ffa6fd83157f03ef31306735ec678d6b7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling pix v0.13.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/raster.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: the item `Pixel` is imported redundantly
[INFO] [stdout]    --> src/cmy.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |     use crate::cmy::*;
[INFO] [stdout]     |         ------------- the item `Pixel` is already imported here
[INFO] [stdout] 264 |     use crate::el::Pixel;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pixel` is imported redundantly
[INFO] [stdout]    --> src/gray.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     use crate::el::Pixel;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 199 |     use crate::gray::*;
[INFO] [stdout]     |         -------------- the item `Pixel` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pixel` is imported redundantly
[INFO] [stdout]    --> src/hsl.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |     use crate::el::Pixel;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 297 |     use crate::hsl::*;
[INFO] [stdout]     |         ------------- the item `Pixel` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pixel` is imported redundantly
[INFO] [stdout]    --> src/hsv.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |     use crate::el::Pixel;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 295 |     use crate::hsv::*;
[INFO] [stdout]     |         ------------- the item `Pixel` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pixel` is imported redundantly
[INFO] [stdout]    --> src/hwb.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |     use crate::el::Pixel;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 309 |     use crate::hwb::*;
[INFO] [stdout]     |         ------------- the item `Pixel` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/raster.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pixel` is imported redundantly
[INFO] [stdout]    --> src/rgb.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |     use crate::el::Pixel;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 297 |     use crate::ops::SrcOver;
[INFO] [stdout] 298 |     use crate::rgb::*;
[INFO] [stdout]     |         ------------- the item `Pixel` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "c5ae6676d4c4b0fd01f32d9a7c32b8ffa6fd83157f03ef31306735ec678d6b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ae6676d4c4b0fd01f32d9a7c32b8ffa6fd83157f03ef31306735ec678d6b7e", kill_on_drop: false }`
[INFO] [stdout] c5ae6676d4c4b0fd01f32d9a7c32b8ffa6fd83157f03ef31306735ec678d6b7e