[INFO] fetching crate flipdot-core 0.6.0...
[INFO] testing flipdot-core-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate flipdot-core 0.6.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate flipdot-core 0.6.0 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 flipdot-core 0.6.0
[INFO] finished tweaking crates.io crate flipdot-core 0.6.0
[INFO] tweaked toml for crates.io crate flipdot-core 0.6.0 written to /workspace/builds/worker-84/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 929da4fccd60fea28774af7961b4182cb8328af8c464762d9fed68b2a82e1b08
[INFO] running `Command { std: "docker" "start" "-a" "929da4fccd60fea28774af7961b4182cb8328af8c464762d9fed68b2a82e1b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "929da4fccd60fea28774af7961b4182cb8328af8c464762d9fed68b2a82e1b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929da4fccd60fea28774af7961b4182cb8328af8c464762d9fed68b2a82e1b08", kill_on_drop: false }`
[INFO] [stdout] 929da4fccd60fea28774af7961b4182cb8328af8c464762d9fed68b2a82e1b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] c9e3028609b0e252d2762547210b2394b82770a2351fef0c9fea46de58cc772c
[INFO] running `Command { std: "docker" "start" "-a" "c9e3028609b0e252d2762547210b2394b82770a2351fef0c9fea46de58cc772c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling flipdot-core v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.34s
[INFO] running `Command { std: "docker" "inspect" "c9e3028609b0e252d2762547210b2394b82770a2351fef0c9fea46de58cc772c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e3028609b0e252d2762547210b2394b82770a2351fef0c9fea46de58cc772c", kill_on_drop: false }`
[INFO] [stdout] c9e3028609b0e252d2762547210b2394b82770a2351fef0c9fea46de58cc772c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] facbe206cbaa94f22dd0e9046ac4bcb9c4be6fd8d6e2f81b1dbec422a7288e10
[INFO] running `Command { std: "docker" "start" "-a" "facbe206cbaa94f22dd0e9046ac4bcb9c4be6fd8d6e2f81b1dbec422a7288e10", kill_on_drop: false }`
[INFO] [stderr]    Compiling flipdot-core v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "facbe206cbaa94f22dd0e9046ac4bcb9c4be6fd8d6e2f81b1dbec422a7288e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facbe206cbaa94f22dd0e9046ac4bcb9c4be6fd8d6e2f81b1dbec422a7288e10", kill_on_drop: false }`
[INFO] [stdout] facbe206cbaa94f22dd0e9046ac4bcb9c4be6fd8d6e2f81b1dbec422a7288e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 683bb590ae579d05d533fe5d8aa33edf82fc1bf4e7000a7f7ebc58f6ed71e03d
[INFO] running `Command { std: "docker" "start" "-a" "683bb590ae579d05d533fe5d8aa33edf82fc1bf4e7000a7f7ebc58f6ed71e03d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flipdot_core-f1f53122b531ca8f)
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test frame::tests::display ... ok
[INFO] [stdout] test frame::tests::data_length_over_255_rejected ... ok
[INFO] [stdout] test frame::tests::getters ... ok
[INFO] [stdout] test frame::tests::bad_char_detected ... ok
[INFO] [stdout] test frame::tests::write ... ok
[INFO] [stdout] test frame::tests::extra_data_detected ... ok
[INFO] [stdout] test frame::tests::trailing_chars_detected ... ok
[INFO] [stdout] test frame::tests::newline_accepted ... ok
[INFO] [stdout] test frame::tests::leading_chars_detected ... ok
[INFO] [stdout] test message::tests::frame_message_roundtrip ... ok
[INFO] [stdout] test message::tests::display ... ok
[INFO] [stdout] test frame::tests::roundtrip_complex_frame ... ok
[INFO] [stdout] test page::tests::display ... ok
[INFO] [stdout] test page::tests::one_byte_per_column_set_bits ... ok
[INFO] [stdout] test frame::tests::bad_checksum_detected ... ok
[INFO] [stdout] test frame::tests::invalid_format_detected ... ok
[INFO] [stdout] test frame::tests::garbage_detected ... ok
[INFO] [stdout] test page::tests::one_byte_per_column_empty ... ok
[INFO] [stdout] test page::tests::two_bytes_per_column_empty ... ok
[INFO] [stdout] test frame::tests::roundtrip_complex_frame_newline ... ok
[INFO] [stdout] test page::tests::two_bytes_per_column_set_bits ... ok
[INFO] [stdout] test sign_type::tests::not_enough_data ... ok
[INFO] [stdout] test sign_type::tests::sizes_correct ... ok
[INFO] [stdout] test frame::tests::parsed_lifetime_independent ... ok
[INFO] [stdout] test frame::tests::missing_data_detected ... ok
[INFO] [stdout] test frame::tests::missing_char_detected ... ok
[INFO] [stdout] test page::tests::wrong_size_rejected ... ok
[INFO] [stdout] test sign_type::tests::unknown_horizon_rejected ... ok
[INFO] [stdout] test sign_type::tests::too_much_data ... ok
[INFO] [stdout] test page::tests::set_get_pixels ... ok
[INFO] [stdout] test sign_type::tests::sign_type_roundtrip ... ok
[INFO] [stdout] test sign_type::tests::unknown_type_rejected ... ok
[INFO] [stdout] test frame::tests::roundtrip_empty_data ... ok
[INFO] [stdout] test frame::tests::read ... ok
[INFO] [stdout] test sign_type::tests::unknown_max3000_rejected ... ok
[INFO] [stdout] test frame::tests::roundtrip_simple_frame ... ok
[INFO] [stdout] test page::tests::out_of_bounds_x - should panic ... ok
[INFO] [stdout] test page::tests::out_of_bounds_y - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flipdot-core
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test src/frame.rs - frame::Frame::read (line 428) - compile ... FAILED
[INFO] [stdout] test src/message.rs - message::Message (line 15) ... FAILED
[INFO] [stdout] test src/frame.rs - frame::Frame::write (line 400) - compile ... FAILED
[INFO] [stdout] test src/frame.rs - frame::Frame::into_data (line 258) ... FAILED
[INFO] [stdout] test src/frame.rs - frame::Data (line 514) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 17) - compile ... FAILED
[INFO] [stdout] test src/sign_bus.rs - sign_bus::SignBus (line 15) ... FAILED
[INFO] [stdout] test src/sign_type.rs - sign_type::SignType (line 34) ... FAILED
[INFO] [stdout] test src/frame.rs - frame::Frame::new (line 174) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name flipdot_core --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-3900569adda86201.so --extern flipdot_core=/opt/rustwide/target/debug/deps/libflipdot_core-e78d9f3a2abe8c70.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-7b6445d372d84407.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-27bd9e77ed307a48.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-ac5b8ebe56f0b292.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "683bb590ae579d05d533fe5d8aa33edf82fc1bf4e7000a7f7ebc58f6ed71e03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683bb590ae579d05d533fe5d8aa33edf82fc1bf4e7000a7f7ebc58f6ed71e03d", kill_on_drop: false }`
[INFO] [stdout] 683bb590ae579d05d533fe5d8aa33edf82fc1bf4e7000a7f7ebc58f6ed71e03d