[INFO] fetching crate imgthin 0.1.0...
[INFO] testing imgthin-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate imgthin 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate imgthin 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgthin 0.1.0
[INFO] finished tweaking crates.io crate imgthin 0.1.0
[INFO] tweaked toml for crates.io crate imgthin 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d80ae0c3eb52cb6c362da4e80146863d2cdfc02e87b30eef032c2c5413b1db4
[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" "7d80ae0c3eb52cb6c362da4e80146863d2cdfc02e87b30eef032c2c5413b1db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d80ae0c3eb52cb6c362da4e80146863d2cdfc02e87b30eef032c2c5413b1db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d80ae0c3eb52cb6c362da4e80146863d2cdfc02e87b30eef032c2c5413b1db4", kill_on_drop: false }`
[INFO] [stdout] 7d80ae0c3eb52cb6c362da4e80146863d2cdfc02e87b30eef032c2c5413b1db4
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd571502d6088da52a50b98f05312f883ef0a10ec87b0d4d94a8ba5b15ebc5ce
[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" "cd571502d6088da52a50b98f05312f883ef0a10ec87b0d4d94a8ba5b15ebc5ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgthin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "cd571502d6088da52a50b98f05312f883ef0a10ec87b0d4d94a8ba5b15ebc5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd571502d6088da52a50b98f05312f883ef0a10ec87b0d4d94a8ba5b15ebc5ce", kill_on_drop: false }`
[INFO] [stdout] cd571502d6088da52a50b98f05312f883ef0a10ec87b0d4d94a8ba5b15ebc5ce
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cda2879821fa300afba7c3aaec21d400885cddc3c3fcf8e7debfaf28b661725
[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" "9cda2879821fa300afba7c3aaec21d400885cddc3c3fcf8e7debfaf28b661725", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgthin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "9cda2879821fa300afba7c3aaec21d400885cddc3c3fcf8e7debfaf28b661725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cda2879821fa300afba7c3aaec21d400885cddc3c3fcf8e7debfaf28b661725", kill_on_drop: false }`
[INFO] [stdout] 9cda2879821fa300afba7c3aaec21d400885cddc3c3fcf8e7debfaf28b661725
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0401345e526f26ea4e403c5a071eeb786a15b9780fd8c857d861a081f818f9b3
[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" "0401345e526f26ea4e403c5a071eeb786a15b9780fd8c857d861a081f818f9b3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imgthin-33354dd74653069c
[INFO] [stdout] running 5 tests
[INFO] [stdout] test bin_image::test::test_get_neighbors ... ok
[INFO] [stdout] test default::test::test_subiter ... ok
[INFO] [stdout] test bin_image::test::test_sub ... ok
[INFO] [stdout] test common::test::test_calculate_ap_bp ... ok
[INFO] [stdout] test default::test::test_char_b ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imgthin
[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 `Command { std: "docker" "inspect" "0401345e526f26ea4e403c5a071eeb786a15b9780fd8c857d861a081f818f9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0401345e526f26ea4e403c5a071eeb786a15b9780fd8c857d861a081f818f9b3", kill_on_drop: false }`
[INFO] [stdout] 0401345e526f26ea4e403c5a071eeb786a15b9780fd8c857d861a081f818f9b3