[INFO] fetching crate flipdot 0.6.0...
[INFO] testing flipdot-0.6.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate flipdot 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flipdot 0.6.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", 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] 3e32838640ea5c54e2ed12008416e53ac799a024ccfa32bb115113328bf32d17
[INFO] running `Command { std: "docker" "start" "-a" "3e32838640ea5c54e2ed12008416e53ac799a024ccfa32bb115113328bf32d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e32838640ea5c54e2ed12008416e53ac799a024ccfa32bb115113328bf32d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e32838640ea5c54e2ed12008416e53ac799a024ccfa32bb115113328bf32d17", kill_on_drop: false }`
[INFO] [stdout] 3e32838640ea5c54e2ed12008416e53ac799a024ccfa32bb115113328bf32d17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c064859df5d67f2292b9c5c7a3c60cef45345027d8cbb571c962f44b128fd25
[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" "0c064859df5d67f2292b9c5c7a3c60cef45345027d8cbb571c962f44b128fd25", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling regex v1.3.7
[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 17.66s
[INFO] running `Command { std: "docker" "inspect" "0c064859df5d67f2292b9c5c7a3c60cef45345027d8cbb571c962f44b128fd25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c064859df5d67f2292b9c5c7a3c60cef45345027d8cbb571c962f44b128fd25", kill_on_drop: false }`
[INFO] [stdout] 0c064859df5d67f2292b9c5c7a3c60cef45345027d8cbb571c962f44b128fd25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6daeaf4e37790df664fc9bdbe3d25382eafb7f6da7e8b66591f09581920c329e
[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" "6daeaf4e37790df664fc9bdbe3d25382eafb7f6da7e8b66591f09581920c329e", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.2
[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 humantime v1.3.0
[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 4.40s
[INFO] running `Command { std: "docker" "inspect" "6daeaf4e37790df664fc9bdbe3d25382eafb7f6da7e8b66591f09581920c329e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6daeaf4e37790df664fc9bdbe3d25382eafb7f6da7e8b66591f09581920c329e", kill_on_drop: false }`
[INFO] [stdout] 6daeaf4e37790df664fc9bdbe3d25382eafb7f6da7e8b66591f09581920c329e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08cef6deb55c53a0a89896d9cc205e5ba4b8bd9e830ec7e5217d70dacb494d58
[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" "08cef6deb55c53a0a89896d9cc205e5ba4b8bd9e830ec7e5217d70dacb494d58", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flipdot-81fd4989ac901057)
[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] [stderr]      Running tests/error_tests.rs (/opt/rustwide/target/debug/deps/error_tests-9095815d517336e6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]      Running tests/serial_sign_bus_tests.rs (/opt/rustwide/target/debug/deps/serial_sign_bus_tests-0989dbc91d07f254)
[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_ready_to_reset ... ok
[INFO] [stdout] test config_retry_gives_up ... ok
[INFO] [stdout] test unexpected_response_error ... ok
[INFO] [stdout] test create_page ... ok
[INFO] [stdout] test page_flip ... ok
[INFO] [stdout] test happy_path ... ok
[INFO] [stdout] test error_propagates ... ok
[INFO] [stdout] test pixels_retry ... ok
[INFO] [stdout] test shut_down ... ok
[INFO] [stdout] test config_retry ... ok
[INFO] [stdout] test config_retry_unexpected_state_fails ... ok
[INFO] [stdout] test flip_page_unexpected_response_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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 0.01s
[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] [stdout] test src/sign.rs - sign::Sign::width (line 163) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::new (line 92) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::create_page (line 211) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::address (line 115) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::sign_type (line 139) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::shut_down (line 426) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::send_pages (line 297) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::configure (line 252) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::load_next_page (line 343) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::height (line 187) ... ok
[INFO] [stdout] test src/sign.rs - sign::Sign::show_loaded_page (line 385) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08cef6deb55c53a0a89896d9cc205e5ba4b8bd9e830ec7e5217d70dacb494d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08cef6deb55c53a0a89896d9cc205e5ba4b8bd9e830ec7e5217d70dacb494d58", kill_on_drop: false }`
[INFO] [stdout] 08cef6deb55c53a0a89896d9cc205e5ba4b8bd9e830ec7e5217d70dacb494d58