[INFO] fetching crate nonempty 0.6.0...
[INFO] testing nonempty-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nonempty 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nonempty 0.6.0 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 nonempty 0.6.0
[INFO] finished tweaking crates.io crate nonempty 0.6.0
[INFO] tweaked toml for crates.io crate nonempty 0.6.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 745bb96030d14499061b3ec78dc0ed0abec73ad74b4d0688c061355cae73b3c0
[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" "745bb96030d14499061b3ec78dc0ed0abec73ad74b4d0688c061355cae73b3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "745bb96030d14499061b3ec78dc0ed0abec73ad74b4d0688c061355cae73b3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745bb96030d14499061b3ec78dc0ed0abec73ad74b4d0688c061355cae73b3c0", kill_on_drop: false }`
[INFO] [stdout] 745bb96030d14499061b3ec78dc0ed0abec73ad74b4d0688c061355cae73b3c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8e0ae614496b16995ea39b72b3b926ff37154d928662680c6546dc87ab2d6a7
[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" "e8e0ae614496b16995ea39b72b3b926ff37154d928662680c6546dc87ab2d6a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling nonempty v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "e8e0ae614496b16995ea39b72b3b926ff37154d928662680c6546dc87ab2d6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e0ae614496b16995ea39b72b3b926ff37154d928662680c6546dc87ab2d6a7", kill_on_drop: false }`
[INFO] [stdout] e8e0ae614496b16995ea39b72b3b926ff37154d928662680c6546dc87ab2d6a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68c88433b155824b1ca5e6cc0dcd28f1841b1789323d6cd74cdb18d1c0aeb80e
[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" "68c88433b155824b1ca5e6cc0dcd28f1841b1789323d6cd74cdb18d1c0aeb80e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling nonempty v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "68c88433b155824b1ca5e6cc0dcd28f1841b1789323d6cd74cdb18d1c0aeb80e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c88433b155824b1ca5e6cc0dcd28f1841b1789323d6cd74cdb18d1c0aeb80e", kill_on_drop: false }`
[INFO] [stdout] 68c88433b155824b1ca5e6cc0dcd28f1841b1789323d6cd74cdb18d1c0aeb80e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed99f8d101f8b60f9f84cabb072cfbe73d16bc3e511b14545d175154a5a19801
[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" "ed99f8d101f8b60f9f84cabb072cfbe73d16bc3e511b14545d175154a5a19801", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nonempty-8b35945b52932147
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_into_iter ... ok
[INFO] [stdout] test tests::test_mutate_head ... ok
[INFO] [stdout] test tests::test_from_conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nonempty
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::insert (line 115) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::iter (line 200) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::from_vec (line 274) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::first_mut (line 65) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search (line 469) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search (line 455) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search_by_key (line 545) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::binary_search_by (line 500) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::contains (line 161) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::flatten (line 429) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::flat_map (line 396) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::from_slice (line 245) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::append (line 347) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::minimum_by (line 648) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::minimum (line 598) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::maximum_by (line 620) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::split_first (line 298) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::tail (line 84) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::iter_mut (line 216) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::maximum (line 576) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::map (line 369) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::maximum_by_key (line 670) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::split (line 322) ... ok
[INFO] [stdout] test src/lib.rs - NonEmpty<T>::minimum_by_key (line 693) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed99f8d101f8b60f9f84cabb072cfbe73d16bc3e511b14545d175154a5a19801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed99f8d101f8b60f9f84cabb072cfbe73d16bc3e511b14545d175154a5a19801", kill_on_drop: false }`
[INFO] [stdout] ed99f8d101f8b60f9f84cabb072cfbe73d16bc3e511b14545d175154a5a19801