[INFO] cloning repository https://github.com/tetsu-koba/i420-viewer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetsu-koba/i420-viewer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsu-koba%2Fi420-viewer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsu-koba%2Fi420-viewer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52833bb1703f9c4a8830f8c00909e474ec710118
[INFO] checking tetsu-koba/i420-viewer-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsu-koba%2Fi420-viewer-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetsu-koba/i420-viewer-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/tetsu-koba/i420-viewer-rs
[INFO] finished tweaking git repo https://github.com/tetsu-koba/i420-viewer-rs
[INFO] tweaked toml for git repo https://github.com/tetsu-koba/i420-viewer-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tetsu-koba/i420-viewer-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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9a2ae7928c98c3c0ed4aba257e0c92a13434588384c182aac1e00dfcfd42c92
[INFO] running `Command { std: "docker" "start" "-a" "a9a2ae7928c98c3c0ed4aba257e0c92a13434588384c182aac1e00dfcfd42c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a2ae7928c98c3c0ed4aba257e0c92a13434588384c182aac1e00dfcfd42c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a2ae7928c98c3c0ed4aba257e0c92a13434588384c182aac1e00dfcfd42c92", kill_on_drop: false }`
[INFO] [stdout] a9a2ae7928c98c3c0ed4aba257e0c92a13434588384c182aac1e00dfcfd42c92
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5bc6c53d553d0b3e8563299d98eb81174cbb18c15fc7847fb5434f2d915f182
[INFO] running `Command { std: "docker" "start" "-a" "c5bc6c53d553d0b3e8563299d98eb81174cbb18c15fc7847fb5434f2d915f182", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking i420-viewer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "c5bc6c53d553d0b3e8563299d98eb81174cbb18c15fc7847fb5434f2d915f182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bc6c53d553d0b3e8563299d98eb81174cbb18c15fc7847fb5434f2d915f182", kill_on_drop: false }`
[INFO] [stdout] c5bc6c53d553d0b3e8563299d98eb81174cbb18c15fc7847fb5434f2d915f182
[INFO] checking tetsu-koba/i420-viewer-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetsu-koba%2Fi420-viewer-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetsu-koba/i420-viewer-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/tetsu-koba/i420-viewer-rs
[INFO] finished tweaking git repo https://github.com/tetsu-koba/i420-viewer-rs
[INFO] tweaked toml for git repo https://github.com/tetsu-koba/i420-viewer-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tetsu-koba/i420-viewer-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bcc4fd004d13bc793f9b90123cf9cb1f35aca0e5c15fa0dcc80051871d3f9409
[INFO] running `Command { std: "docker" "start" "-a" "bcc4fd004d13bc793f9b90123cf9cb1f35aca0e5c15fa0dcc80051871d3f9409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcc4fd004d13bc793f9b90123cf9cb1f35aca0e5c15fa0dcc80051871d3f9409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc4fd004d13bc793f9b90123cf9cb1f35aca0e5c15fa0dcc80051871d3f9409", kill_on_drop: false }`
[INFO] [stdout] bcc4fd004d13bc793f9b90123cf9cb1f35aca0e5c15fa0dcc80051871d3f9409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5085dd47bbf03fcd4cf835f7dc5c6113b0a6736d1423849ec3bc3175926f3537
[INFO] running `Command { std: "docker" "start" "-a" "5085dd47bbf03fcd4cf835f7dc5c6113b0a6736d1423849ec3bc3175926f3537", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking i420-viewer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "5085dd47bbf03fcd4cf835f7dc5c6113b0a6736d1423849ec3bc3175926f3537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5085dd47bbf03fcd4cf835f7dc5c6113b0a6736d1423849ec3bc3175926f3537", kill_on_drop: false }`
[INFO] [stdout] 5085dd47bbf03fcd4cf835f7dc5c6113b0a6736d1423849ec3bc3175926f3537