[INFO] fetching crate unsegen 0.3.0...
[INFO] testing unsegen-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate unsegen 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate unsegen 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unsegen 0.3.0
[INFO] finished tweaking crates.io crate unsegen 0.3.0
[INFO] tweaked toml for crates.io crate unsegen 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a203a16732e732d849845c640a3cce0ebe91e8e74dc8412fa27d7b3c39336a2
[INFO] running `Command { std: "docker" "start" "-a" "0a203a16732e732d849845c640a3cce0ebe91e8e74dc8412fa27d7b3c39336a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a203a16732e732d849845c640a3cce0ebe91e8e74dc8412fa27d7b3c39336a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a203a16732e732d849845c640a3cce0ebe91e8e74dc8412fa27d7b3c39336a2", kill_on_drop: false }`
[INFO] [stdout] 0a203a16732e732d849845c640a3cce0ebe91e8e74dc8412fa27d7b3c39336a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 211dc81b03b7237aec81363517d709a7d5f45132a863bcaddcf28987dc16e13c
[INFO] running `Command { std: "docker" "start" "-a" "211dc81b03b7237aec81363517d709a7d5f45132a863bcaddcf28987dc16e13c", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]    Compiling void v1.0.2
[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 termion v1.5.6
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling raw_tty v0.1.0
[INFO] [stderr]    Compiling unsegen v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "211dc81b03b7237aec81363517d709a7d5f45132a863bcaddcf28987dc16e13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211dc81b03b7237aec81363517d709a7d5f45132a863bcaddcf28987dc16e13c", kill_on_drop: false }`
[INFO] [stdout] 211dc81b03b7237aec81363517d709a7d5f45132a863bcaddcf28987dc16e13c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6b1b73cae6d482db14494dac5968ba9dd6ed95461773c80056b9221d1e32f8c
[INFO] running `Command { std: "docker" "start" "-a" "a6b1b73cae6d482db14494dac5968ba9dd6ed95461773c80056b9221d1e32f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling unsegen v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "a6b1b73cae6d482db14494dac5968ba9dd6ed95461773c80056b9221d1e32f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b1b73cae6d482db14494dac5968ba9dd6ed95461773c80056b9221d1e32f8c", kill_on_drop: false }`
[INFO] [stdout] a6b1b73cae6d482db14494dac5968ba9dd6ed95461773c80056b9221d1e32f8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8806c5f094a9d5c0a6a14f615c562f9cafc37d1f6bc4116107872a01b612a0c8
[INFO] running `Command { std: "docker" "start" "-a" "8806c5f094a9d5c0a6a14f615c562f9cafc37d1f6bc4116107872a01b612a0c8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 31 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unsegen-27395b05c5f50652)
[INFO] [stdout] test base::cursor::test::test_cursor_tabs ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_wide_cluster ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_simple ... ok
[INFO] [stdout] test widget::builtin::promptline::test::test_search_next ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_wrap ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_wide_cluster_overwrite ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_no_wrap ... ok
[INFO] [stdout] test widget::builtin::table::test::scroll_down_multiline ... ok
[INFO] [stdout] test widget::builtin::table::test::scroll_down_multiline_sep ... ok
[INFO] [stdout] test widget::builtin::table::test::smaller_than_terminal ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_tabs_overwrite ... ok
[INFO] [stdout] test widget::builtin::table::test::sep_char ... ok
[INFO] [stdout] test base::cursor::test::test_cursor_wrap_outside_window ... ok
[INFO] [stdout] test widget::builtin::table::test::scroll_down_sep ... ok
[INFO] [stdout] test widget::layouts::test::test_vertical_layout_space_demand ... ok
[INFO] [stdout] test widget::layouts::test::test_horizontal_layout_space_demand ... ok
[INFO] [stdout] test widget::builtin::table::test::scroll_up_sep ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_weighted_between_min_max ... ok
[INFO] [stdout] test widget::builtin::promptline::test::test_search_prev ... ok
[INFO] [stdout] test widget::builtin::table::test::sep_none ... ok
[INFO] [stdout] test widget::layouts::test::test_vertical_layout_draw ... ok
[INFO] [stdout] test widget::builtin::table::test::scroll_down_simple ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_from_at_least ... ok
[INFO] [stdout] test widget::builtin::table::test::scroll_up_simple ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_exact ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_from_to ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_weighted_less_than_min ... ok
[INFO] [stdout] test widget::layouts::test::test_layout_linearly_mixed ... ok
[INFO] [stdout] test widget::builtin::table::test::sep_alternate_rows ... ok
[INFO] [stdout] test widget::layouts::test::test_horizontal_layout_draw ... ok
[INFO] [stderr]    Doc-tests unsegen
[INFO] [stdout] test widget::layouts::test::fuzz_layout_linearly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test src/base/mod.rs - base (line 5) - compile ... ok
[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 --crate-name unsegen --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-d7b457f8ffe91f8b.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-e5f9501d32852be9.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d0369df3236904c2.rlib --extern raw_tty=/opt/rustwide/target/debug/deps/libraw_tty-2ae28ef489104508.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-c5f4bff6ab6e121a.rlib --extern termion=/opt/rustwide/target/debug/deps/libtermion-30cbec8dc7c07229.rlib --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-6c95ab588f06b03b.rlib --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-05a4b639dec6224c.rlib --extern unsegen=/opt/rustwide/target/debug/deps/libunsegen-6e71fa7dea7ad186.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8806c5f094a9d5c0a6a14f615c562f9cafc37d1f6bc4116107872a01b612a0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8806c5f094a9d5c0a6a14f615c562f9cafc37d1f6bc4116107872a01b612a0c8", kill_on_drop: false }`
[INFO] [stdout] 8806c5f094a9d5c0a6a14f615c562f9cafc37d1f6bc4116107872a01b612a0c8