[INFO] fetching crate gifski 1.4.3...
[INFO] checking gifski-1.4.3 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate gifski 1.4.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gifski 1.4.3 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gifski 1.4.3
[INFO] finished tweaking crates.io crate gifski 1.4.3
[INFO] tweaked toml for crates.io crate gifski 1.4.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate gifski 1.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c9455eda07ed077eb6672386113e9be971f2b4a27a88dbad01dda81301a3c55
[INFO] running `Command { std: "docker" "start" "-a" "7c9455eda07ed077eb6672386113e9be971f2b4a27a88dbad01dda81301a3c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c9455eda07ed077eb6672386113e9be971f2b4a27a88dbad01dda81301a3c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9455eda07ed077eb6672386113e9be971f2b4a27a88dbad01dda81301a3c55", kill_on_drop: false }`
[INFO] [stdout] 7c9455eda07ed077eb6672386113e9be971f2b4a27a88dbad01dda81301a3c55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc088f89c53e7cc131d227e73db96dca893579e030a185fdda59c28bafa94eac
[INFO] running `Command { std: "docker" "start" "-a" "dc088f89c53e7cc131d227e73db96dca893579e030a185fdda59c28bafa94eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking imgref v1.8.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking wild v2.0.4
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking fallible_collections v0.4.0
[INFO] [stderr]     Checking resize v0.7.2
[INFO] [stderr]     Checking gif-dispose v3.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking lodepng v3.4.5
[INFO] [stderr]     Checking pbr v1.0.4
[INFO] [stderr]    Compiling imagequant-sys v3.0.4-alpha.2
[INFO] [stderr]    Compiling gifsicle v1.92.4
[INFO] [stderr]     Checking imagequant v3.0.4-alpha.2
[INFO] [stderr]     Checking gifski v1.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 21.89s
[INFO] running `Command { std: "docker" "inspect" "dc088f89c53e7cc131d227e73db96dca893579e030a185fdda59c28bafa94eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc088f89c53e7cc131d227e73db96dca893579e030a185fdda59c28bafa94eac", kill_on_drop: false }`
[INFO] [stdout] dc088f89c53e7cc131d227e73db96dca893579e030a185fdda59c28bafa94eac