[INFO] fetching crate flipdot 0.6.0...
[INFO] testing flipdot-0.6.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate flipdot 0.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate flipdot 0.6.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flipdot 0.6.0
[INFO] finished tweaking crates.io crate flipdot 0.6.0
[INFO] tweaked toml for crates.io crate flipdot 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate flipdot 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded derive_more v0.99.5
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.16
[INFO] [stderr]   Downloaded thiserror v1.0.16
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.52
[INFO] [stderr]   Downloaded flipdot-testing v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6206e5781a2750bc83814887f70d5615b329f8bb240976ee79f095d0cd6e147
[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" "d6206e5781a2750bc83814887f70d5615b329f8bb240976ee79f095d0cd6e147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6206e5781a2750bc83814887f70d5615b329f8bb240976ee79f095d0cd6e147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6206e5781a2750bc83814887f70d5615b329f8bb240976ee79f095d0cd6e147", kill_on_drop: false }`
[INFO] [stdout] d6206e5781a2750bc83814887f70d5615b329f8bb240976ee79f095d0cd6e147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53437b570e181f6dbb99d07f59e07cea2ffad0dfff6204e34ced9509146a657e
[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" "53437b570e181f6dbb99d07f59e07cea2ffad0dfff6204e34ced9509146a657e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling thiserror v1.0.16
[INFO] [stderr]    Compiling flipdot-core v0.6.0
[INFO] [stderr]    Compiling flipdot-serial v0.6.0
[INFO] [stderr]    Compiling flipdot v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.79s
[INFO] running `Command { std: "docker" "inspect" "53437b570e181f6dbb99d07f59e07cea2ffad0dfff6204e34ced9509146a657e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53437b570e181f6dbb99d07f59e07cea2ffad0dfff6204e34ced9509146a657e", kill_on_drop: false }`
[INFO] [stdout] 53437b570e181f6dbb99d07f59e07cea2ffad0dfff6204e34ced9509146a657e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 54708f78e207a882feaa6b0fd0eec933e07aca6df263d7184af5536b55d3ed98
[INFO] running `Command { std: "docker" "start" "-a" "54708f78e207a882feaa6b0fd0eec933e07aca6df263d7184af5536b55d3ed98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling flipdot-testing v0.6.0
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling flipdot v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "54708f78e207a882feaa6b0fd0eec933e07aca6df263d7184af5536b55d3ed98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54708f78e207a882feaa6b0fd0eec933e07aca6df263d7184af5536b55d3ed98", kill_on_drop: false }`
[INFO] [stdout] 54708f78e207a882feaa6b0fd0eec933e07aca6df263d7184af5536b55d3ed98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 7cfff13bbfb95e589d720a27b759b714f44a2f1c11eb98813e7d2f416aebb4a5
[INFO] running `Command { std: "docker" "start" "-a" "7cfff13bbfb95e589d720a27b759b714f44a2f1c11eb98813e7d2f416aebb4a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flipdot-81fd4989ac901057)
[INFO] [stderr]      Running tests/error_tests.rs (/opt/rustwide/target/debug/deps/error_tests-9095815d517336e6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/serial_sign_bus_tests.rs (/opt/rustwide/target/debug/deps/serial_sign_bus_tests-0989dbc91d07f254)
[INFO] [stdout] test format_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test serial_sign_bus_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sign_tests.rs (/opt/rustwide/target/debug/deps/sign_tests-78860770ec0d8aa0)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test config_needs_reset ... ok
[INFO] [stdout] test config_retry ... ok
[INFO] [stdout] test config_retry_unexpected_state_fails ... ok
[INFO] [stdout] test create_page ... ok
[INFO] [stdout] test config_retry_gives_up ... ok
[INFO] [stdout] test error_propagates ... ok
[INFO] [stdout] test flip_page_unexpected_response_error ... ok
[INFO] [stdout] test happy_path ... ok
[INFO] [stdout] test page_flip ... ok
[INFO] [stdout] test pixels_retry ... ok
[INFO] [stdout] test shut_down ... ok
[INFO] [stdout] test config_ready_to_reset ... ok
[INFO] [stdout] test unexpected_response_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/virtual_sign_bus_tests.rs (/opt/rustwide/target/debug/deps/virtual_sign_bus_tests-e4374c4744e9b218)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sign_virtual_sign_interaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flipdot
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - (line 14) - compile ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign (line 44) - 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 --edition=2018 --crate-type lib --crate-name flipdot --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-927d0996c96f1d65.rlib --extern flipdot=/opt/rustwide/target/debug/deps/libflipdot-24531a0b2ed5bf6b.rlib --extern flipdot_core=/opt/rustwide/target/debug/deps/libflipdot_core-7f61f5c5e678b8bc.rlib --extern flipdot_serial=/opt/rustwide/target/debug/deps/libflipdot_serial-c652c078685654ee.rlib --extern flipdot_testing=/opt/rustwide/target/debug/deps/libflipdot_testing-b23ccd30321a2a92.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-6ffe52a3dc07db35.rlib --extern serial=/opt/rustwide/target/debug/deps/libserial-d9e7fc25b5f9cf90.rlib --extern serial_core=/opt/rustwide/target/debug/deps/libserial_core-8713d65e0fadfd72.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-d407816bcf15fa89.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7cfff13bbfb95e589d720a27b759b714f44a2f1c11eb98813e7d2f416aebb4a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfff13bbfb95e589d720a27b759b714f44a2f1c11eb98813e7d2f416aebb4a5", kill_on_drop: false }`
[INFO] [stdout] 7cfff13bbfb95e589d720a27b759b714f44a2f1c11eb98813e7d2f416aebb4a5