[INFO] fetching crate imagequant 2.12.5...
[INFO] checking imagequant-2.12.5 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate imagequant 2.12.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate imagequant 2.12.5 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-9/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c974dced574c53da7b8265573c3a07dd159121bdc1b086b23c2516dfb9b25a9d
[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" "c974dced574c53da7b8265573c3a07dd159121bdc1b086b23c2516dfb9b25a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c974dced574c53da7b8265573c3a07dd159121bdc1b086b23c2516dfb9b25a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c974dced574c53da7b8265573c3a07dd159121bdc1b086b23c2516dfb9b25a9d", kill_on_drop: false }`
[INFO] [stdout] c974dced574c53da7b8265573c3a07dd159121bdc1b086b23c2516dfb9b25a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f9d9d68476b3e18fee160278dbb5af5b1d6d0cc144eed5c3766fb4f88f0e595
[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" "7f9d9d68476b3e18fee160278dbb5af5b1d6d0cc144eed5c3766fb4f88f0e595", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling libc v0.2.65
[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 7.67s
[INFO] running `Command { std: "docker" "inspect" "7f9d9d68476b3e18fee160278dbb5af5b1d6d0cc144eed5c3766fb4f88f0e595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9d9d68476b3e18fee160278dbb5af5b1d6d0cc144eed5c3766fb4f88f0e595", kill_on_drop: false }`
[INFO] [stdout] 7f9d9d68476b3e18fee160278dbb5af5b1d6d0cc144eed5c3766fb4f88f0e595
