[INFO] fetching crate rscolorq 0.2.0... [INFO] checking rscolorq-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rscolorq 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate rscolorq 0.2.0 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 crates.io crate rscolorq 0.2.0 [INFO] finished tweaking crates.io crate rscolorq 0.2.0 [INFO] tweaked toml for crates.io crate rscolorq 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate rscolorq 0.2.0 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 palette v0.5.0 [INFO] [stderr] Downloaded bytemuck v1.5.1 [INFO] [stderr] Downloaded palette_derive v0.5.0 [INFO] [stderr] Downloaded rand_pcg v0.3.0 [INFO] [stderr] Downloaded syn v1.0.67 [INFO] [stderr] Downloaded libc v0.2.92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 453b752d184287e0fc70a686739af04cb54c2a18a8ebb0ccdd17be0de764a09e [INFO] running `Command { std: "docker" "start" "-a" "453b752d184287e0fc70a686739af04cb54c2a18a8ebb0ccdd17be0de764a09e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "453b752d184287e0fc70a686739af04cb54c2a18a8ebb0ccdd17be0de764a09e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "453b752d184287e0fc70a686739af04cb54c2a18a8ebb0ccdd17be0de764a09e", kill_on_drop: false }` [INFO] [stdout] 453b752d184287e0fc70a686739af04cb54c2a18a8ebb0ccdd17be0de764a09e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c9bccd09ea1faa1ef91e0b1c0435e25edea7dfc8d2a4517315bc4f56f1155356 [INFO] running `Command { std: "docker" "start" "-a" "c9bccd09ea1faa1ef91e0b1c0435e25edea7dfc8d2a4517315bc4f56f1155356", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling palette v0.5.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking bytemuck v1.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand_pcg v0.3.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Compiling palette_derive v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking rscolorq v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.80s [INFO] running `Command { std: "docker" "inspect" "c9bccd09ea1faa1ef91e0b1c0435e25edea7dfc8d2a4517315bc4f56f1155356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9bccd09ea1faa1ef91e0b1c0435e25edea7dfc8d2a4517315bc4f56f1155356", kill_on_drop: false }` [INFO] [stdout] c9bccd09ea1faa1ef91e0b1c0435e25edea7dfc8d2a4517315bc4f56f1155356