[INFO] fetching crate kmeans_colors 0.3.2...
[INFO] testing kmeans_colors-0.3.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate kmeans_colors 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kmeans_colors 0.3.2 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 kmeans_colors 0.3.2
[INFO] finished tweaking crates.io crate kmeans_colors 0.3.2
[INFO] tweaked toml for crates.io crate kmeans_colors 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate kmeans_colors 0.3.2 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] ed80271b917f9b394bc3faf4d8791436c3acc1af00253955d81eeaf27a95286c
[INFO] running `"docker" "start" "-a" "ed80271b917f9b394bc3faf4d8791436c3acc1af00253955d81eeaf27a95286c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling image v0.23.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]    Compiling structopt v0.3.13
[INFO] [stderr]    Compiling kmeans_colors v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.84s
[INFO] running `"docker" "inspect" "ed80271b917f9b394bc3faf4d8791436c3acc1af00253955d81eeaf27a95286c"`
[INFO] running `"docker" "rm" "-f" "ed80271b917f9b394bc3faf4d8791436c3acc1af00253955d81eeaf27a95286c"`
[INFO] [stdout] ed80271b917f9b394bc3faf4d8791436c3acc1af00253955d81eeaf27a95286c
[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] 8dae9ecbd07d43b602b173cef20303eca6f14cc1d7bf3af0929da7665e20972b
[INFO] running `"docker" "start" "-a" "8dae9ecbd07d43b602b173cef20303eca6f14cc1d7bf3af0929da7665e20972b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling kmeans_colors v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "8dae9ecbd07d43b602b173cef20303eca6f14cc1d7bf3af0929da7665e20972b"`
[INFO] running `"docker" "rm" "-f" "8dae9ecbd07d43b602b173cef20303eca6f14cc1d7bf3af0929da7665e20972b"`
[INFO] [stdout] 8dae9ecbd07d43b602b173cef20303eca6f14cc1d7bf3af0929da7665e20972b
[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] [stdout] 0d145dc2588500080f02678aeabfa0c26f37bae9c7ee784913fb8b2b967f432a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0d145dc2588500080f02678aeabfa0c26f37bae9c7ee784913fb8b2b967f432a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kmeans_colors-837fab3a347c6981
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sort::tests::dominant_color ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kmeans_colors-e85fb3203d4e9b79
[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] [stderr]    Doc-tests kmeans_colors
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 120) ... ok
[INFO] [stdout] test src/lib.rs -  (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0d145dc2588500080f02678aeabfa0c26f37bae9c7ee784913fb8b2b967f432a"`
[INFO] running `"docker" "rm" "-f" "0d145dc2588500080f02678aeabfa0c26f37bae9c7ee784913fb8b2b967f432a"`
[INFO] [stdout] 0d145dc2588500080f02678aeabfa0c26f37bae9c7ee784913fb8b2b967f432a