[INFO] cloning repository https://github.com/bs2kbs2k/apngquant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bs2kbs2k/apngquant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbs2kbs2k%2Fapngquant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbs2kbs2k%2Fapngquant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40d941c2ccbbc61129146e20a38057a4216ac0e8
[INFO] checking bs2kbs2k/apngquant against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbs2kbs2k%2Fapngquant" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bs2kbs2k/apngquant 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/bs2kbs2k/apngquant
[INFO] finished tweaking git repo https://github.com/bs2kbs2k/apngquant
[INFO] tweaked toml for git repo https://github.com/bs2kbs2k/apngquant written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bs2kbs2k/apngquant 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.17.1
[INFO] [stderr]   Downloaded imagequant v3.1.0
[INFO] [stderr]   Downloaded fallible_collections v0.4.3
[INFO] [stderr]   Downloaded imagequant-sys v3.1.0+sys2.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7507f06798751eb3ca531e0e36cfb4d693d49547c70b5f59055bced7ffe32acd
[INFO] running `Command { std: "docker" "start" "-a" "7507f06798751eb3ca531e0e36cfb4d693d49547c70b5f59055bced7ffe32acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7507f06798751eb3ca531e0e36cfb4d693d49547c70b5f59055bced7ffe32acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7507f06798751eb3ca531e0e36cfb4d693d49547c70b5f59055bced7ffe32acd", kill_on_drop: false }`
[INFO] [stdout] 7507f06798751eb3ca531e0e36cfb4d693d49547c70b5f59055bced7ffe32acd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e1ef1caa29d37529255faa5a4b2c2c1afaf9eda6df6a2187e1622ade1a151721
[INFO] running `Command { std: "docker" "start" "-a" "e1ef1caa29d37529255faa5a4b2c2c1afaf9eda6df6a2187e1622ade1a151721", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking png v0.17.1
[INFO] [stderr]    Compiling imagequant-sys v3.1.0+sys2.16.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fallible_collections v0.4.3
[INFO] [stderr]     Checking imagequant v3.1.0
[INFO] [stderr]     Checking apngquant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "e1ef1caa29d37529255faa5a4b2c2c1afaf9eda6df6a2187e1622ade1a151721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ef1caa29d37529255faa5a4b2c2c1afaf9eda6df6a2187e1622ade1a151721", kill_on_drop: false }`
[INFO] [stdout] e1ef1caa29d37529255faa5a4b2c2c1afaf9eda6df6a2187e1622ade1a151721
[INFO] checking bs2kbs2k/apngquant against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbs2kbs2k%2Fapngquant" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bs2kbs2k/apngquant 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/bs2kbs2k/apngquant
[INFO] finished tweaking git repo https://github.com/bs2kbs2k/apngquant
[INFO] tweaked toml for git repo https://github.com/bs2kbs2k/apngquant written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bs2kbs2k/apngquant 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 61b0411dec1da5d9e72dfdb0363d400a006e654b07db8d578ef088bef0b11072
[INFO] running `Command { std: "docker" "start" "-a" "61b0411dec1da5d9e72dfdb0363d400a006e654b07db8d578ef088bef0b11072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61b0411dec1da5d9e72dfdb0363d400a006e654b07db8d578ef088bef0b11072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b0411dec1da5d9e72dfdb0363d400a006e654b07db8d578ef088bef0b11072", kill_on_drop: false }`
[INFO] [stdout] 61b0411dec1da5d9e72dfdb0363d400a006e654b07db8d578ef088bef0b11072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bbd8c8a346ef7701affdb10196e079800040ea9454992fd1cf358aaa971f3a1d
[INFO] running `Command { std: "docker" "start" "-a" "bbd8c8a346ef7701affdb10196e079800040ea9454992fd1cf358aaa971f3a1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]    Compiling imagequant-sys v3.1.0+sys2.16.0
[INFO] [stderr]     Checking png v0.17.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fallible_collections v0.4.3
[INFO] [stderr]     Checking imagequant v3.1.0
[INFO] [stderr]     Checking apngquant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "bbd8c8a346ef7701affdb10196e079800040ea9454992fd1cf358aaa971f3a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd8c8a346ef7701affdb10196e079800040ea9454992fd1cf358aaa971f3a1d", kill_on_drop: false }`
[INFO] [stdout] bbd8c8a346ef7701affdb10196e079800040ea9454992fd1cf358aaa971f3a1d