[INFO] cloning repository https://github.com/bs2kbs2k/cell-machine-art-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bs2kbs2k/cell-machine-art-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbs2kbs2k%2Fcell-machine-art-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbs2kbs2k%2Fcell-machine-art-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d57f2f4339f0a256611b804df3e2adb2b430f218
[INFO] checking bs2kbs2k/cell-machine-art-generator against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbs2kbs2k%2Fcell-machine-art-generator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bs2kbs2k/cell-machine-art-generator 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/cell-machine-art-generator
[INFO] finished tweaking git repo https://github.com/bs2kbs2k/cell-machine-art-generator
[INFO] tweaked toml for git repo https://github.com/bs2kbs2k/cell-machine-art-generator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bs2kbs2k/cell-machine-art-generator 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 native-dialog v0.5.5
[INFO] [stderr]   Downloaded which v4.2.1
[INFO] [stderr]   Downloaded wfd v0.1.7
[INFO] [stderr]   Downloaded imagequant v3.0.3+sys2.14.0
[INFO] [stderr]   Downloaded imagequant-sys v3.0.6+sys2.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 37fb9266ee48c732464a2ec127e99bc81c091272a578b88273bbb9d5e0bb90e8
[INFO] running `Command { std: "docker" "start" "-a" "37fb9266ee48c732464a2ec127e99bc81c091272a578b88273bbb9d5e0bb90e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37fb9266ee48c732464a2ec127e99bc81c091272a578b88273bbb9d5e0bb90e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37fb9266ee48c732464a2ec127e99bc81c091272a578b88273bbb9d5e0bb90e8", kill_on_drop: false }`
[INFO] [stdout] 37fb9266ee48c732464a2ec127e99bc81c091272a578b88273bbb9d5e0bb90e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 101e997fab280fc3e46de9057d0697056c363af7b333fbf593082eb82f7f0930
[INFO] running `Command { std: "docker" "start" "-a" "101e997fab280fc3e46de9057d0697056c363af7b333fbf593082eb82f7f0930", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling imagequant-sys v3.0.6+sys2.15.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking which v4.2.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking imagequant v3.0.3+sys2.14.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking native-dialog v0.5.5
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking cell-machine-art-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.40s
[INFO] running `Command { std: "docker" "inspect" "101e997fab280fc3e46de9057d0697056c363af7b333fbf593082eb82f7f0930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101e997fab280fc3e46de9057d0697056c363af7b333fbf593082eb82f7f0930", kill_on_drop: false }`
[INFO] [stdout] 101e997fab280fc3e46de9057d0697056c363af7b333fbf593082eb82f7f0930