[INFO] crate looke 0.2.1 is already in cache
[INFO] testing looke-0.2.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate looke 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate looke 0.2.1 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 looke 0.2.1
[INFO] finished tweaking crates.io crate looke 0.2.1
[INFO] tweaked toml for crates.io crate looke 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 5c2e8ec059c62350c7e31e7f1da14e4238db2f649566b9d4b070027de3c6fce3
[INFO] running `"docker" "start" "-a" "5c2e8ec059c62350c7e31e7f1da14e4238db2f649566b9d4b070027de3c6fce3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling looke v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diff.rs:45:32
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub type PixelComparator = Box<Fn(RgbaTuple, RgbaTuple) -> bool>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(RgbaTuple, RgbaTuple) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.55s
[INFO] running `"docker" "inspect" "5c2e8ec059c62350c7e31e7f1da14e4238db2f649566b9d4b070027de3c6fce3"`
[INFO] running `"docker" "rm" "-f" "5c2e8ec059c62350c7e31e7f1da14e4238db2f649566b9d4b070027de3c6fce3"`
[INFO] [stdout] 5c2e8ec059c62350c7e31e7f1da14e4238db2f649566b9d4b070027de3c6fce3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8ce2bf080bfd0f95298db95183c48b89e76e20db453155152069fa530a0de3df
[INFO] running `"docker" "start" "-a" "8ce2bf080bfd0f95298db95183c48b89e76e20db453155152069fa530a0de3df"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling looke v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diff.rs:45:32
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub type PixelComparator = Box<Fn(RgbaTuple, RgbaTuple) -> bool>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(RgbaTuple, RgbaTuple) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "8ce2bf080bfd0f95298db95183c48b89e76e20db453155152069fa530a0de3df"`
[INFO] running `"docker" "rm" "-f" "8ce2bf080bfd0f95298db95183c48b89e76e20db453155152069fa530a0de3df"`
[INFO] [stdout] 8ce2bf080bfd0f95298db95183c48b89e76e20db453155152069fa530a0de3df
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bf6e0c6a88ef717df3a97da58b172a3bd9b56e6bd9e355b054afce8dd6690a2d
[INFO] running `"docker" "start" "-a" "bf6e0c6a88ef717df3a97da58b172a3bd9b56e6bd9e355b054afce8dd6690a2d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diff.rs:45:32
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub type PixelComparator = Box<Fn(RgbaTuple, RgbaTuple) -> bool>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(RgbaTuple, RgbaTuple) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/looke-78b5e67be31b6a20
[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" "bf6e0c6a88ef717df3a97da58b172a3bd9b56e6bd9e355b054afce8dd6690a2d"`
[INFO] running `"docker" "rm" "-f" "bf6e0c6a88ef717df3a97da58b172a3bd9b56e6bd9e355b054afce8dd6690a2d"`
[INFO] [stdout] bf6e0c6a88ef717df3a97da58b172a3bd9b56e6bd9e355b054afce8dd6690a2d