[INFO] fetching crate imagequant 2.12.5...
[INFO] checking imagequant-2.12.5 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate imagequant 2.12.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imagequant 2.12.5 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imagequant 2.12.5
[INFO] finished tweaking crates.io crate imagequant 2.12.5
[INFO] tweaked toml for crates.io crate imagequant 2.12.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate imagequant 2.12.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e41f9dd974b044ac353093e043df8b6c80746bd0c622153aca06fc95695185d7
[INFO] running `Command { std: "docker" "start" "-a" "e41f9dd974b044ac353093e043df8b6c80746bd0c622153aca06fc95695185d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41f9dd974b044ac353093e043df8b6c80746bd0c622153aca06fc95695185d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41f9dd974b044ac353093e043df8b6c80746bd0c622153aca06fc95695185d7", kill_on_drop: false }`
[INFO] [stdout] e41f9dd974b044ac353093e043df8b6c80746bd0c622153aca06fc95695185d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 982015238c28a9e6f46d6da25ab70db0cda84539d1e874e19d0255d7e06515ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "982015238c28a9e6f46d6da25ab70db0cda84539d1e874e19d0255d7e06515ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]    Compiling imagequant-sys v2.12.5
[INFO] [stderr]     Checking imagequant v2.12.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "982015238c28a9e6f46d6da25ab70db0cda84539d1e874e19d0255d7e06515ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982015238c28a9e6f46d6da25ab70db0cda84539d1e874e19d0255d7e06515ad", kill_on_drop: false }`
[INFO] [stdout] 982015238c28a9e6f46d6da25ab70db0cda84539d1e874e19d0255d7e06515ad