[INFO] fetching crate mss_saliency 1.0.4...
[INFO] testing mss_saliency-1.0.4 against 1.44.0 for beta-1.45-1
[INFO] extracting crate mss_saliency 1.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mss_saliency 1.0.4 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mss_saliency 1.0.4
[INFO] finished tweaking crates.io crate mss_saliency 1.0.4
[INFO] tweaked toml for crates.io crate mss_saliency 1.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mss_saliency 1.0.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69264b8303391b808f7230506b764013e9248ce50fb013e03ad4c5b41681ef25
[INFO] running `"docker" "start" "-a" "69264b8303391b808f7230506b764013e9248ce50fb013e03ad4c5b41681ef25"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling imgref v1.4.0
[INFO] [stderr]    Compiling mss_saliency v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "69264b8303391b808f7230506b764013e9248ce50fb013e03ad4c5b41681ef25"`
[INFO] running `"docker" "rm" "-f" "69264b8303391b808f7230506b764013e9248ce50fb013e03ad4c5b41681ef25"`
[INFO] [stdout] 69264b8303391b808f7230506b764013e9248ce50fb013e03ad4c5b41681ef25
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b5ae1b1db4a6b4b1b846eb1e1fc69fbc6c6249fd1eb67e0191ee3d6d2a59fbb
[INFO] running `"docker" "start" "-a" "7b5ae1b1db4a6b4b1b846eb1e1fc69fbc6c6249fd1eb67e0191ee3d6d2a59fbb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling rgb v0.8.16
[INFO] [stderr]    Compiling lodepng v2.5.0
[INFO] [stderr]    Compiling mss_saliency v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.52s
[INFO] running `"docker" "inspect" "7b5ae1b1db4a6b4b1b846eb1e1fc69fbc6c6249fd1eb67e0191ee3d6d2a59fbb"`
[INFO] running `"docker" "rm" "-f" "7b5ae1b1db4a6b4b1b846eb1e1fc69fbc6c6249fd1eb67e0191ee3d6d2a59fbb"`
[INFO] [stdout] 7b5ae1b1db4a6b4b1b846eb1e1fc69fbc6c6249fd1eb67e0191ee3d6d2a59fbb
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be751b3aafd73111c4d46227602045d59bf66d0282248cd406b605f13f2697c2
[INFO] running `"docker" "start" "-a" "be751b3aafd73111c4d46227602045d59bf66d0282248cd406b605f13f2697c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mss_saliency-72b56f62118b614c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests mss_saliency
[INFO] [stdout] test oversized_input_is_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "be751b3aafd73111c4d46227602045d59bf66d0282248cd406b605f13f2697c2"`
[INFO] running `"docker" "rm" "-f" "be751b3aafd73111c4d46227602045d59bf66d0282248cd406b605f13f2697c2"`
[INFO] [stdout] be751b3aafd73111c4d46227602045d59bf66d0282248cd406b605f13f2697c2