[INFO] fetching crate sliding_extrema 0.1.4...
[INFO] testing sliding_extrema-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sliding_extrema 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sliding_extrema 0.1.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sliding_extrema 0.1.4
[INFO] finished tweaking crates.io crate sliding_extrema 0.1.4
[INFO] tweaked toml for crates.io crate sliding_extrema 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f2159252a791ce3c3eb1d6692a4ac068b13de7684a4bf825b754e800d9fd5630
[INFO] running `Command { std: "docker" "start" "-a" "f2159252a791ce3c3eb1d6692a4ac068b13de7684a4bf825b754e800d9fd5630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2159252a791ce3c3eb1d6692a4ac068b13de7684a4bf825b754e800d9fd5630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2159252a791ce3c3eb1d6692a4ac068b13de7684a4bf825b754e800d9fd5630", kill_on_drop: false }`
[INFO] [stdout] f2159252a791ce3c3eb1d6692a4ac068b13de7684a4bf825b754e800d9fd5630
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa3def532e5d1ffc5f7a8032330ea58924f604b0adb596ebfc36559f6e6e7cca
[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" "fa3def532e5d1ffc5f7a8032330ea58924f604b0adb596ebfc36559f6e6e7cca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sliding_extrema v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "fa3def532e5d1ffc5f7a8032330ea58924f604b0adb596ebfc36559f6e6e7cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3def532e5d1ffc5f7a8032330ea58924f604b0adb596ebfc36559f6e6e7cca", kill_on_drop: false }`
[INFO] [stdout] fa3def532e5d1ffc5f7a8032330ea58924f604b0adb596ebfc36559f6e6e7cca
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43fad2117b8a54a25e36c0b15a99eaddd86205573032e2ae5e275f1e3c897187
[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" "43fad2117b8a54a25e36c0b15a99eaddd86205573032e2ae5e275f1e3c897187", kill_on_drop: false }`
[INFO] [stderr]    Compiling sliding_extrema v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "43fad2117b8a54a25e36c0b15a99eaddd86205573032e2ae5e275f1e3c897187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43fad2117b8a54a25e36c0b15a99eaddd86205573032e2ae5e275f1e3c897187", kill_on_drop: false }`
[INFO] [stdout] 43fad2117b8a54a25e36c0b15a99eaddd86205573032e2ae5e275f1e3c897187
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b8b11b5e76bf886c0a68ad638863e4f0a5ca48eca8c0d2674ece55aa3a4632e
[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" "7b8b11b5e76bf886c0a68ad638863e4f0a5ca48eca8c0d2674ece55aa3a4632e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sliding_extrema-4dfd54fabcbf3b08
[INFO] [stdout] test tests::min_and_max ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests sliding_extrema
[INFO] [stdout] test tests::fuzz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b8b11b5e76bf886c0a68ad638863e4f0a5ca48eca8c0d2674ece55aa3a4632e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8b11b5e76bf886c0a68ad638863e4f0a5ca48eca8c0d2674ece55aa3a4632e", kill_on_drop: false }`
[INFO] [stdout] 7b8b11b5e76bf886c0a68ad638863e4f0a5ca48eca8c0d2674ece55aa3a4632e