[INFO] cloning repository https://github.com/Shadetheartist/auto-tilier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shadetheartist/auto-tilier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShadetheartist%2Fauto-tilier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShadetheartist%2Fauto-tilier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28dcad70b6a20ba32815c1e0d2a027a925405e50
[INFO] checking Shadetheartist/auto-tilier against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShadetheartist%2Fauto-tilier" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shadetheartist/auto-tilier 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 git repo https://github.com/Shadetheartist/auto-tilier
[INFO] finished tweaking git repo https://github.com/Shadetheartist/auto-tilier
[INFO] tweaked toml for git repo https://github.com/Shadetheartist/auto-tilier written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Shadetheartist/auto-tilier 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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "0946c72b499e548a644d428319b3f05e64d4c34692c9ceed6c640727ba26502c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 }`
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[INFO] [stderr]     Checking autotiler v0.1.0 (/opt/rustwide/workdir/autotiler)
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> autotiler/src/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bit`
[INFO] [stdout]   --> autotiler/src/matrix.rs:66:51
[INFO] [stdout]    |
[INFO] [stdout] 66 |         self.data.iter().enumerate().map(|(index, bit)| {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_bit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_grid`
[INFO] [stdout]  --> autotiler/src/autotile.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn auto_tile(tile_grid: &mut Vec<Vec<Tile3x3>>) {
[INFO] [stdout]   |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_grid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking glib v0.18.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> autotiler/src/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> autotiler/benches/autotiler_benchmark.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     let mut test_matrix = matrix::generate_random_matrix(&tile_set, size, size);
[INFO] [stdout]    |                         ----^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bit`
[INFO] [stdout]   --> autotiler/src/matrix.rs:66:51
[INFO] [stdout]    |
[INFO] [stdout] 66 |         self.data.iter().enumerate().map(|(index, bit)| {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_bit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile_grid`
[INFO] [stdout]  --> autotiler/src/autotile.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn auto_tile(tile_grid: &mut Vec<Vec<Tile3x3>>) {
[INFO] [stdout]   |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tile_grid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking gdk v0.18.0
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir/gui)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "832eda0d43b22f62fa91a876ceac508894161a8c3d110e65c936f88ec7cdd27a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832eda0d43b22f62fa91a876ceac508894161a8c3d110e65c936f88ec7cdd27a", kill_on_drop: false }`
[INFO] [stdout] 832eda0d43b22f62fa91a876ceac508894161a8c3d110e65c936f88ec7cdd27a