[INFO] fetching crate slice-ext 0.1.4...
[INFO] testing slice-ext-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate slice-ext 0.1.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate slice-ext 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 slice-ext 0.1.4
[INFO] finished tweaking crates.io crate slice-ext 0.1.4
[INFO] tweaked toml for crates.io crate slice-ext 0.1.4 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 6c3c0f5583d219834cbcbd0344d6afc1cdb6be182c2b489c9a29286800e993c8
[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" "6c3c0f5583d219834cbcbd0344d6afc1cdb6be182c2b489c9a29286800e993c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c3c0f5583d219834cbcbd0344d6afc1cdb6be182c2b489c9a29286800e993c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3c0f5583d219834cbcbd0344d6afc1cdb6be182c2b489c9a29286800e993c8", kill_on_drop: false }`
[INFO] [stdout] 6c3c0f5583d219834cbcbd0344d6afc1cdb6be182c2b489c9a29286800e993c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65e9c6851e1dfa2bb9d445f359b01c9bc9e08f7fe04d3fe2f385e513d47540df
[INFO] running `Command { std: "docker" "start" "-a" "65e9c6851e1dfa2bb9d445f359b01c9bc9e08f7fe04d3fe2f385e513d47540df", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-ext v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "65e9c6851e1dfa2bb9d445f359b01c9bc9e08f7fe04d3fe2f385e513d47540df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e9c6851e1dfa2bb9d445f359b01c9bc9e08f7fe04d3fe2f385e513d47540df", kill_on_drop: false }`
[INFO] [stdout] 65e9c6851e1dfa2bb9d445f359b01c9bc9e08f7fe04d3fe2f385e513d47540df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 989e488786d7a75dca4e0374f6773edf921545352454c6aa2bf3b6f6671071cd
[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" "989e488786d7a75dca4e0374f6773edf921545352454c6aa2bf3b6f6671071cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-ext v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "989e488786d7a75dca4e0374f6773edf921545352454c6aa2bf3b6f6671071cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989e488786d7a75dca4e0374f6773edf921545352454c6aa2bf3b6f6671071cd", kill_on_drop: false }`
[INFO] [stdout] 989e488786d7a75dca4e0374f6773edf921545352454c6aa2bf3b6f6671071cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3a5b39352cdeb2e39c87aef211448e96846811fbffb07131eedf6345aaca07cd
[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" "3a5b39352cdeb2e39c87aef211448e96846811fbffb07131eedf6345aaca07cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slice_ext-5be4591148a1c3f8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice-ext
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_split_after ... ok
[INFO] [stdout] test tests::test_split_after_end ... ok
[INFO] [stdout] test tests::test_split_after_start ... ok
[INFO] [stdout] test tests::test_split_before ... ok
[INFO] [stdout] test tests::test_split_before_end ... ok
[INFO] [stdout] test tests::test_split_before_no_match ... ok
[INFO] [stdout] test tests::test_split_before_start ... ok
[INFO] [stdout] test tests::test_split_after_no_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - SplitAfter (line 38) ... ok
[INFO] [stdout] test src/lib.rs - SplitBefore (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a5b39352cdeb2e39c87aef211448e96846811fbffb07131eedf6345aaca07cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5b39352cdeb2e39c87aef211448e96846811fbffb07131eedf6345aaca07cd", kill_on_drop: false }`
[INFO] [stdout] 3a5b39352cdeb2e39c87aef211448e96846811fbffb07131eedf6345aaca07cd