[INFO] cloning repository https://github.com/Wouterdek/tinydxt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wouterdek/tinydxt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWouterdek%2Ftinydxt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWouterdek%2Ftinydxt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47598be63842d6241bf54f8f5838934ad112f235
[INFO] checking Wouterdek/tinydxt against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWouterdek%2Ftinydxt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wouterdek/tinydxt 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/Wouterdek/tinydxt
[INFO] finished tweaking git repo https://github.com/Wouterdek/tinydxt
[INFO] tweaked toml for git repo https://github.com/Wouterdek/tinydxt written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Wouterdek/tinydxt 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5e6aaef9234330b609c8a96dfa162c1bc0bbf464ada02cfd210b100be90b68bc
[INFO] running `Command { std: "docker" "start" "-a" "5e6aaef9234330b609c8a96dfa162c1bc0bbf464ada02cfd210b100be90b68bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e6aaef9234330b609c8a96dfa162c1bc0bbf464ada02cfd210b100be90b68bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6aaef9234330b609c8a96dfa162c1bc0bbf464ada02cfd210b100be90b68bc", kill_on_drop: false }`
[INFO] [stdout] 5e6aaef9234330b609c8a96dfa162c1bc0bbf464ada02cfd210b100be90b68bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2aa5b08d0b206fc353b4d0b573d413e7f38d30451f5ff897bc4db1f77bc649b3
[INFO] running `Command { std: "docker" "start" "-a" "2aa5b08d0b206fc353b4d0b573d413e7f38d30451f5ff897bc4db1f77bc649b3", kill_on_drop: false }`
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking tinydxt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `png` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use png;
[INFO] [stdout]   |     ^^^ the item `png` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `png` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use png;
[INFO] [stdout]   |     ^^^ the item `png` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/main.rs:78:47
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn decompress_pixel(img: &[u8], width: usize, height: usize, x: usize, y: usize) -> u8 {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/main.rs:78:47
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn decompress_pixel(img: &[u8], width: usize, height: usize, x: usize, y: usize) -> u8 {
[INFO] [stdout]    |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "2aa5b08d0b206fc353b4d0b573d413e7f38d30451f5ff897bc4db1f77bc649b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa5b08d0b206fc353b4d0b573d413e7f38d30451f5ff897bc4db1f77bc649b3", kill_on_drop: false }`
[INFO] [stdout] 2aa5b08d0b206fc353b4d0b573d413e7f38d30451f5ff897bc4db1f77bc649b3