[INFO] cloning repository https://github.com/jhonnatangomes/qoi-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhonnatangomes/qoi-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhonnatangomes%2Fqoi-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhonnatangomes%2Fqoi-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad2d746ee9d80477f8957b3f486e39e302eadcd7
[INFO] checking jhonnatangomes/qoi-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhonnatangomes%2Fqoi-rs" "/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/jhonnatangomes/qoi-rs 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/jhonnatangomes/qoi-rs
[INFO] finished tweaking git repo https://github.com/jhonnatangomes/qoi-rs
[INFO] tweaked toml for git repo https://github.com/jhonnatangomes/qoi-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jhonnatangomes/qoi-rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.141
[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_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] 2db4bfee57eacb37cefa93c449fa77460fed56a818432f447a528a0dcd8983e6
[INFO] running `Command { std: "docker" "start" "-a" "2db4bfee57eacb37cefa93c449fa77460fed56a818432f447a528a0dcd8983e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db4bfee57eacb37cefa93c449fa77460fed56a818432f447a528a0dcd8983e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db4bfee57eacb37cefa93c449fa77460fed56a818432f447a528a0dcd8983e6", kill_on_drop: false }`
[INFO] [stdout] 2db4bfee57eacb37cefa93c449fa77460fed56a818432f447a528a0dcd8983e6
[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 }`
[INFO] [stdout] 1090730c743b3299ae75503c40a2abcb34fc8adea45e4d86e51eee48d0f852a4
[INFO] running `Command { std: "docker" "start" "-a" "1090730c743b3299ae75503c40a2abcb34fc8adea45e4d86e51eee48d0f852a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking sdl2-sys v0.35.2
[INFO] [stderr]     Checking qoi-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `channels` and `colorspace` are never read
[INFO] [stdout]  --> src/header.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Header {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub channels: u8,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 6 |     pub colorspace: u8,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `channels` and `colorspace` are never read
[INFO] [stdout]  --> src/header.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Header {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub channels: u8,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 6 |     pub colorspace: u8,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "1090730c743b3299ae75503c40a2abcb34fc8adea45e4d86e51eee48d0f852a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1090730c743b3299ae75503c40a2abcb34fc8adea45e4d86e51eee48d0f852a4", kill_on_drop: false }`
[INFO] [stdout] 1090730c743b3299ae75503c40a2abcb34fc8adea45e4d86e51eee48d0f852a4
[INFO] checking jhonnatangomes/qoi-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhonnatangomes%2Fqoi-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jhonnatangomes/qoi-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jhonnatangomes/qoi-rs
[INFO] finished tweaking git repo https://github.com/jhonnatangomes/qoi-rs
[INFO] tweaked toml for git repo https://github.com/jhonnatangomes/qoi-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jhonnatangomes/qoi-rs 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00aecbe8fcf7997a78ed2612afc0437d7d1c89f8109e70a75a0cec289b5d1c73
[INFO] running `Command { std: "docker" "start" "-a" "00aecbe8fcf7997a78ed2612afc0437d7d1c89f8109e70a75a0cec289b5d1c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00aecbe8fcf7997a78ed2612afc0437d7d1c89f8109e70a75a0cec289b5d1c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00aecbe8fcf7997a78ed2612afc0437d7d1c89f8109e70a75a0cec289b5d1c73", kill_on_drop: false }`
[INFO] [stdout] 00aecbe8fcf7997a78ed2612afc0437d7d1c89f8109e70a75a0cec289b5d1c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16fc37367c1b0614e252c3b81ad824eb06d2f5df73fb125ab06bddcd2f1afef3
[INFO] running `Command { std: "docker" "start" "-a" "16fc37367c1b0614e252c3b81ad824eb06d2f5df73fb125ab06bddcd2f1afef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking sdl2-sys v0.35.2
[INFO] [stderr]     Checking qoi-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `channels` and `colorspace` are never read
[INFO] [stdout]  --> src/header.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Header {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub channels: u8,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 6 |     pub colorspace: u8,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `channels` and `colorspace` are never read
[INFO] [stdout]  --> src/header.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Header {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub channels: u8,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 6 |     pub colorspace: u8,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "16fc37367c1b0614e252c3b81ad824eb06d2f5df73fb125ab06bddcd2f1afef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16fc37367c1b0614e252c3b81ad824eb06d2f5df73fb125ab06bddcd2f1afef3", kill_on_drop: false }`
[INFO] [stdout] 16fc37367c1b0614e252c3b81ad824eb06d2f5df73fb125ab06bddcd2f1afef3