[INFO] fetching crate gifsicle 1.92.5...
[INFO] checking gifsicle-1.92.5 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate gifsicle 1.92.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gifsicle 1.92.5 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gifsicle 1.92.5
[INFO] finished tweaking crates.io crate gifsicle 1.92.5
[INFO] tweaked toml for crates.io crate gifsicle 1.92.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate gifsicle 1.92.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c09e268ab483f23ef6fa6a8c41dde5b7c96f3e631222e668d87f5c601d22060
[INFO] running `Command { std: "docker" "start" "-a" "8c09e268ab483f23ef6fa6a8c41dde5b7c96f3e631222e668d87f5c601d22060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c09e268ab483f23ef6fa6a8c41dde5b7c96f3e631222e668d87f5c601d22060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c09e268ab483f23ef6fa6a8c41dde5b7c96f3e631222e668d87f5c601d22060", kill_on_drop: false }`
[INFO] [stdout] 8c09e268ab483f23ef6fa6a8c41dde5b7c96f3e631222e668d87f5c601d22060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 061930d0e1bcd5ff09456236db2db9eae39658505093fa9fa487acad093091ea
[INFO] running `Command { std: "docker" "start" "-a" "061930d0e1bcd5ff09456236db2db9eae39658505093fa9fa487acad093091ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling gifsicle v1.92.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "061930d0e1bcd5ff09456236db2db9eae39658505093fa9fa487acad093091ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061930d0e1bcd5ff09456236db2db9eae39658505093fa9fa487acad093091ea", kill_on_drop: false }`
[INFO] [stdout] 061930d0e1bcd5ff09456236db2db9eae39658505093fa9fa487acad093091ea