[INFO] fetching crate wcloud 0.1.0...
[INFO] building wcloud-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate wcloud 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate wcloud 0.1.0
[INFO] finished tweaking crates.io crate wcloud 0.1.0
[INFO] tweaked toml for crates.io crate wcloud 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wcloud 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wcloud 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 948fb6601c1623e975d4868750d854f2ec4a624e7dfa855b0d50be5466d99e49
[INFO] running `Command { std: "docker" "start" "-a" "948fb6601c1623e975d4868750d854f2ec4a624e7dfa855b0d50be5466d99e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "948fb6601c1623e975d4868750d854f2ec4a624e7dfa855b0d50be5466d99e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948fb6601c1623e975d4868750d854f2ec4a624e7dfa855b0d50be5466d99e49", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8df599cf45525045064013edc07a0eeb010ce51fc52f470919363d6227a172e2
[INFO] running `Command { std: "docker" "start" "-a" "8df599cf45525045064013edc07a0eeb010ce51fc52f470919363d6227a172e2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling wcloud v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RgbImage` and `Rgb`
[INFO] [stdout]  --> src/text.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{GrayImage, Luma, Pixel, Rgb, Rgba, RgbaImage, RgbImage};
[INFO] [stdout]   |                                     ^^^                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `glyphs_height`
[INFO] [stdout]    --> src/lib.rs:305:21
[INFO] [stdout]     |
[INFO] [stdout] 305 |                 let glyphs_height = self.glyphs_height(&glyphs.glyphs);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_glyphs_height`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.08s
[INFO] running `Command { std: "docker" "inspect" "8df599cf45525045064013edc07a0eeb010ce51fc52f470919363d6227a172e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df599cf45525045064013edc07a0eeb010ce51fc52f470919363d6227a172e2", kill_on_drop: false }`
[INFO] [stdout] 8df599cf45525045064013edc07a0eeb010ce51fc52f470919363d6227a172e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0796c7fda3808261d869fb460710ac718f093957466f2905093012671fd8ae0e
[INFO] running `Command { std: "docker" "start" "-a" "0796c7fda3808261d869fb460710ac718f093957466f2905093012671fd8ae0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling serde v1.0.186
[INFO] [stderr]    Compiling serde_derive v1.0.186
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling ciborium-io v0.2.0
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[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling tiff v0.8.1
[INFO] [stderr]    Compiling image v0.24.6
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling wcloud v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RgbImage` and `Rgb`
[INFO] [stdout]  --> src/text.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{GrayImage, Luma, Pixel, Rgb, Rgba, RgbaImage, RgbImage};
[INFO] [stdout]   |                                     ^^^                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `glyphs_height`
[INFO] [stdout]    --> src/lib.rs:305:21
[INFO] [stdout]     |
[INFO] [stdout] 305 |                 let glyphs_height = self.glyphs_height(&glyphs.glyphs);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_glyphs_height`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> examples/tlou2/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nanorand::{Rng, WyRand};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> examples/tlou1/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use nanorand::{Rng, WyRand};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_font_size`
[INFO] [stdout]   --> examples/tlou2/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let max_font_size = Some(150.0);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_font_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `freq`
[INFO] [stdout]   --> examples/tlou2/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let freq = (word.frequency * 100.0) as u8;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_freq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `saturation`
[INFO] [stdout]   --> examples/tlou2/main.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let saturation = (200.0 - word.index as f32) / 200.0;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_saturation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RgbImage` and `Rgb`
[INFO] [stdout]  --> src/text.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{GrayImage, Luma, Pixel, Rgb, Rgba, RgbaImage, RgbImage};
[INFO] [stdout]   |                                     ^^^                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `glyphs_height`
[INFO] [stdout]    --> src/lib.rs:305:21
[INFO] [stdout]     |
[INFO] [stdout] 305 |                 let glyphs_height = self.glyphs_height(&glyphs.glyphs);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_glyphs_height`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.79s
[INFO] running `Command { std: "docker" "inspect" "0796c7fda3808261d869fb460710ac718f093957466f2905093012671fd8ae0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0796c7fda3808261d869fb460710ac718f093957466f2905093012671fd8ae0e", kill_on_drop: false }`
[INFO] [stdout] 0796c7fda3808261d869fb460710ac718f093957466f2905093012671fd8ae0e