[INFO] fetching crate unsegen 0.2.5...
[INFO] testing unsegen-0.2.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate unsegen 0.2.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate unsegen 0.2.5 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 unsegen 0.2.5
[INFO] finished tweaking crates.io crate unsegen 0.2.5
[INFO] tweaked toml for crates.io crate unsegen 0.2.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[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] 4a409164bf78e5fb8179cb522b4e260ce3fe10cd9b668fab42a6c3858aefbbfc
[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" "4a409164bf78e5fb8179cb522b4e260ce3fe10cd9b668fab42a6c3858aefbbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a409164bf78e5fb8179cb522b4e260ce3fe10cd9b668fab42a6c3858aefbbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a409164bf78e5fb8179cb522b4e260ce3fe10cd9b668fab42a6c3858aefbbfc", kill_on_drop: false }`
[INFO] [stdout] 4a409164bf78e5fb8179cb522b4e260ce3fe10cd9b668fab42a6c3858aefbbfc
[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] [stdout] e96e90a86ae69d0753ff298bcac7ea5a6927ddd5c33d603357147c6ccdf13ce8
[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" "e96e90a86ae69d0753ff298bcac7ea5a6927ddd5c33d603357147c6ccdf13ce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]    Compiling smallvec v0.3.4
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling raw_tty v0.1.0
[INFO] [stderr]    Compiling unsegen v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.73s
[INFO] running `Command { std: "docker" "inspect" "e96e90a86ae69d0753ff298bcac7ea5a6927ddd5c33d603357147c6ccdf13ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96e90a86ae69d0753ff298bcac7ea5a6927ddd5c33d603357147c6ccdf13ce8", kill_on_drop: false }`
[INFO] [stdout] e96e90a86ae69d0753ff298bcac7ea5a6927ddd5c33d603357147c6ccdf13ce8
[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] [stdout] 79d74d098c00744640eb1b790e82b3497d9c485147c859ee05901168c947a5ac
[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" "79d74d098c00744640eb1b790e82b3497d9c485147c859ee05901168c947a5ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling unsegen v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "79d74d098c00744640eb1b790e82b3497d9c485147c859ee05901168c947a5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d74d098c00744640eb1b790e82b3497d9c485147c859ee05901168c947a5ac", kill_on_drop: false }`
[INFO] [stdout] 79d74d098c00744640eb1b790e82b3497d9c485147c859ee05901168c947a5ac
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb5a6f1502587bd847135064c3cda92ee341c27220c63b2b9a7f7abdafdb0f38
[INFO] running `Command { std: "docker" "start" "-a" "bb5a6f1502587bd847135064c3cda92ee341c27220c63b2b9a7f7abdafdb0f38", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 17 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unsegen-d0d36b41ea4ea301
[INFO] [stdout] test base::cursor::test::test_cursor_simple ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_wrap_outside_window ... ok
[INFO] [stdout] test widget::layouts::test::test_horizontal_layout_draw ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_from_to ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_no_wrap ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_tabs_overwrite ... ok
[INFO] [stdout] test widget::layouts::test::test_vertical_layout_space_demand ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_wrap ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_wide_cluster ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_wide_cluster_overwrite ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_tabs ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_exact ... ok
[INFO] [stdout] test widget::layouts::test::test_horizontal_layout_space_demand ... ok
[INFO] [stdout] test widget::layouts::test::test_vertical_layout_draw ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_mixed ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_from_at_least ... ok
[INFO] [stdout] test widget::layouts::test::fuzz_layout_linearly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unsegen
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name unsegen -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-55c6ec446d408d1b.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-66272061e76849ff.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-b10ad4e25104109d.rlib --extern raw_tty=/opt/rustwide/target/debug/deps/libraw_tty-94ccbeaac42aeda4.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-d3cbbe62ba5a846d.rlib --extern termion=/opt/rustwide/target/debug/deps/libtermion-05ba7cb71b85649b.rlib --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-07ba75ebec98cf1f.rlib --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-906fa989c4fba052.rlib --extern unsegen=/opt/rustwide/target/debug/deps/libunsegen-4f48ba0aefe21efa.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bb5a6f1502587bd847135064c3cda92ee341c27220c63b2b9a7f7abdafdb0f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5a6f1502587bd847135064c3cda92ee341c27220c63b2b9a7f7abdafdb0f38", kill_on_drop: false }`
[INFO] [stdout] bb5a6f1502587bd847135064c3cda92ee341c27220c63b2b9a7f7abdafdb0f38