[INFO] fetching crate mss_saliency 1.0.6...
[INFO] checking mss_saliency-1.0.6 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate mss_saliency 1.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mss_saliency 1.0.6 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mss_saliency 1.0.6
[INFO] finished tweaking crates.io crate mss_saliency 1.0.6
[INFO] tweaked toml for crates.io crate mss_saliency 1.0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate mss_saliency 1.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 5061bd38c070daf71a355b0a2cf4e3bdec4c0777c1719b4b745273f6a0e35572
[INFO] running `Command { std: "docker" "start" "-a" "5061bd38c070daf71a355b0a2cf4e3bdec4c0777c1719b4b745273f6a0e35572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5061bd38c070daf71a355b0a2cf4e3bdec4c0777c1719b4b745273f6a0e35572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5061bd38c070daf71a355b0a2cf4e3bdec4c0777c1719b4b745273f6a0e35572", kill_on_drop: false }`
[INFO] [stdout] 5061bd38c070daf71a355b0a2cf4e3bdec4c0777c1719b4b745273f6a0e35572
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 046f3dbefa02e7275029c36177696623ef9c7f30085d354d27337034bd5cf02a
[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" "046f3dbefa02e7275029c36177696623ef9c7f30085d354d27337034bd5cf02a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]     Checking imgref v1.7.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking rgb v0.8.24
[INFO] [stderr]     Checking mss_saliency v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking lodepng v3.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "046f3dbefa02e7275029c36177696623ef9c7f30085d354d27337034bd5cf02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046f3dbefa02e7275029c36177696623ef9c7f30085d354d27337034bd5cf02a", kill_on_drop: false }`
[INFO] [stdout] 046f3dbefa02e7275029c36177696623ef9c7f30085d354d27337034bd5cf02a