[INFO] fetching crate rucline 0.4.0...
[INFO] testing rucline-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rucline 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rucline 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rucline 0.4.0
[INFO] finished tweaking crates.io crate rucline 0.4.0
[INFO] tweaked toml for crates.io crate rucline 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rucline 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded signal-hook v0.1.15
[INFO] [stderr]   Downloaded quote v1.0.5
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded arc-swap v0.4.6
[INFO] [stderr]   Downloaded crossterm v0.18.0
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded cc v1.0.53
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded quit v1.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded syn v1.0.22
[INFO] [stderr]   Downloaded quit_macros v1.1.2
[INFO] [stderr]   Downloaded pwner v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65baa7824bf46e7e839f169fbfb4338c0ec09aa753e7f45bea45be7d40427700
[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" "65baa7824bf46e7e839f169fbfb4338c0ec09aa753e7f45bea45be7d40427700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65baa7824bf46e7e839f169fbfb4338c0ec09aa753e7f45bea45be7d40427700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65baa7824bf46e7e839f169fbfb4338c0ec09aa753e7f45bea45be7d40427700", kill_on_drop: false }`
[INFO] [stdout] 65baa7824bf46e7e839f169fbfb4338c0ec09aa753e7f45bea45be7d40427700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "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] b35c61c353b764f4951940dd3637ccde09da092150bf959d7a1b866e04886917
[INFO] running `Command { std: "docker" "start" "-a" "b35c61c353b764f4951940dd3637ccde09da092150bf959d7a1b866e04886917", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling mio v0.7.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling signal-hook v0.1.15
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling crossterm v0.18.0
[INFO] [stderr]    Compiling rucline v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.20s
[INFO] running `Command { std: "docker" "inspect" "b35c61c353b764f4951940dd3637ccde09da092150bf959d7a1b866e04886917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35c61c353b764f4951940dd3637ccde09da092150bf959d7a1b866e04886917", kill_on_drop: false }`
[INFO] [stdout] b35c61c353b764f4951940dd3637ccde09da092150bf959d7a1b866e04886917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] d934f5c02ea56c2ecf8855a75684e86ca6d16d531766d15a22a58487b19228d8
[INFO] running `Command { std: "docker" "start" "-a" "d934f5c02ea56c2ecf8855a75684e86ca6d16d531766d15a22a58487b19228d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling quit_macros v1.1.2
[INFO] [stderr]    Compiling quit v1.1.2
[INFO] [stderr]    Compiling pwner v0.1.3
[INFO] [stderr]    Compiling rucline v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.92s
[INFO] running `Command { std: "docker" "inspect" "d934f5c02ea56c2ecf8855a75684e86ca6d16d531766d15a22a58487b19228d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d934f5c02ea56c2ecf8855a75684e86ca6d16d531766d15a22a58487b19228d8", kill_on_drop: false }`
[INFO] [stdout] d934f5c02ea56c2ecf8855a75684e86ca6d16d531766d15a22a58487b19228d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55f6d56ed04c3685a2b2695cf9527c8d16abf71baa8ab06626a7eec06e9665e9
[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" "55f6d56ed04c3685a2b2695cf9527c8d16abf71baa8ab06626a7eec06e9665e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rucline-cc3b63393ad110ae
[INFO] [stdout] running 32 tests
[INFO] [stdout] test actions::test::closure::should_default_if_event_missing_form_mapping ... ok
[INFO] [stdout] test actions::test::should_complete_if_at_end ... ok
[INFO] [stdout] test actions::test::basic::should_default_if_event_missing_form_mapping ... ok
[INFO] [stdout] test buffer::navigation::test::next_word ... ok
[INFO] [stdout] test buffer::navigation::test::previous_scalar_value ... ok
[INFO] [stdout] test buffer::navigation::test::previous_word ... ok
[INFO] [stdout] test buffer::navigation::test::previous_word_end ... ok
[INFO] [stdout] test buffer::navigation::test::within_multiple_unicode_scalar_values ... ok
[INFO] [stdout] test buffer::test::delete_char_forward ... ok
[INFO] [stdout] test buffer::test::delete_line_backward ... ok
[INFO] [stdout] test buffer::test::delete_line_forward ... ok
[INFO] [stdout] test buffer::test::delete_char_backward ... ok
[INFO] [stdout] test buffer::navigation::test::next_scalar_value ... ok
[INFO] [stdout] test actions::test::basic::should_override_if_defined ... ok
[INFO] [stdout] test actions::test::should_default_if_no_mapping ... ok
[INFO] [stdout] test actions::test::closure::should_override_if_defined ... ok
[INFO] [stdout] test buffer::test::delete_whole_line ... ok
[INFO] [stdout] test buffer::test::partial_grapheme_cluster ... ok
[INFO] [stdout] test buffer::test::write ... ok
[INFO] [stdout] test completion::test::should_not_complete_if_empty ... ok
[INFO] [stdout] test buffer::test::delete_whole_word ... ok
[INFO] [stdout] test buffer::test::write_large_unicode_scalar_value ... ok
[INFO] [stdout] test buffer::test::write_multiple_unicode_scalar_values ... ok
[INFO] [stdout] test buffer::test::write_str ... ok
[INFO] [stdout] test completion::test::complete_the_first_match ... ok
[INFO] [stdout] test prompt::builder::test::accept_decorated_prompt ... ok
[INFO] [stdout] test prompt::builder::test::last_hook_is_used ... ok
[INFO] [stdout] test completion::test::only_complete_the_remainder ... ok
[INFO] [stdout] test completion::test::should_not_complete_if_context_is_different ... ok
[INFO] [stdout] test buffer::test::delete_word_backward ... ok
[INFO] [stdout] test buffer::test::delete_word_forward ... ok
[INFO] [stdout] test completion::test::always_suggest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rucline
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/completion.rs - completion (line 14) ... ok
[INFO] [stdout] test src/completion.rs - completion::Suggester::suggest_for (line 166) ... ok
[INFO] [stdout] test src/buffer/mod.rs - buffer::Buffer::new_with_cursor (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/completion.rs - completion::Completer (line 82) ... ok
[INFO] [stdout] test src/completion.rs - completion (line 36) ... ok
[INFO] [stdout] test src/actions.rs - actions (line 73) ... ok
[INFO] [stdout] test src/prompt/builder.rs - prompt::builder::Builder (line 129) ... ok
[INFO] [stdout] test src/completion.rs - completion (line 51) ... ok
[INFO] [stdout] test src/prompt/builder.rs - prompt::builder::Builder (line 114) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/prompt/mod.rs - prompt (line 10) ... ok
[INFO] [stdout] test src/prompt/builder.rs - prompt::builder::Builder (line 151) ... ok
[INFO] [stdout] test src/prompt/builder.rs - prompt::builder::Prompt (line 308) ... ok
[INFO] [stdout] test src/buffer/mod.rs - buffer::Buffer (line 22) ... ok
[INFO] [stdout] test src/actions.rs - actions (line 26) ... ok
[INFO] [stdout] test src/actions.rs - actions (line 15) ... ok
[INFO] [stdout] test src/actions.rs - actions::Overrider (line 209) ... ok
[INFO] [stdout] test src/actions.rs - actions (line 44) ... ok
[INFO] [stdout] test src/actions.rs - actions (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55f6d56ed04c3685a2b2695cf9527c8d16abf71baa8ab06626a7eec06e9665e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f6d56ed04c3685a2b2695cf9527c8d16abf71baa8ab06626a7eec06e9665e9", kill_on_drop: false }`
[INFO] [stdout] 55f6d56ed04c3685a2b2695cf9527c8d16abf71baa8ab06626a7eec06e9665e9