[INFO] fetching crate apng 0.2.0...
[INFO] checking apng-0.2.0 against beta for pr-78714
[INFO] extracting crate apng 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate apng 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apng 0.2.0
[INFO] finished tweaking crates.io crate apng 0.2.0
[INFO] tweaked toml for crates.io crate apng 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 21ce793f3e85484160872cde0af80052e5ef629945edc77c36b37a4a58b6d23a
[INFO] running `Command { std: "docker" "start" "-a" "21ce793f3e85484160872cde0af80052e5ef629945edc77c36b37a4a58b6d23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21ce793f3e85484160872cde0af80052e5ef629945edc77c36b37a4a58b6d23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21ce793f3e85484160872cde0af80052e5ef629945edc77c36b37a4a58b6d23a", kill_on_drop: false }`
[INFO] [stdout] 21ce793f3e85484160872cde0af80052e5ef629945edc77c36b37a4a58b6d23a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 03b74109ac37632e862649c428f5b30723c33c897d42ad0c933180b6c1f73fbc
[INFO] running `Command { std: "docker" "start" "-a" "03b74109ac37632e862649c428f5b30723c33c897d42ad0c933180b6c1f73fbc", kill_on_drop: false }`
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking apng v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.21s
[INFO] running `Command { std: "docker" "inspect" "03b74109ac37632e862649c428f5b30723c33c897d42ad0c933180b6c1f73fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b74109ac37632e862649c428f5b30723c33c897d42ad0c933180b6c1f73fbc", kill_on_drop: false }`
[INFO] [stdout] 03b74109ac37632e862649c428f5b30723c33c897d42ad0c933180b6c1f73fbc