[INFO] fetching crate flipdot-testing 0.6.0...
[INFO] testing flipdot-testing-0.6.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate flipdot-testing 0.6.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate flipdot-testing 0.6.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flipdot-testing 0.6.0
[INFO] finished tweaking crates.io crate flipdot-testing 0.6.0
[INFO] tweaked toml for crates.io crate flipdot-testing 0.6.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70e39121db81099a1a07d6ecfc119c1323939f8726db00e5bb78179255c45d0c
[INFO] running `Command { std: "docker" "start" "-a" "70e39121db81099a1a07d6ecfc119c1323939f8726db00e5bb78179255c45d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70e39121db81099a1a07d6ecfc119c1323939f8726db00e5bb78179255c45d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e39121db81099a1a07d6ecfc119c1323939f8726db00e5bb78179255c45d0c", kill_on_drop: false }`
[INFO] [stdout] 70e39121db81099a1a07d6ecfc119c1323939f8726db00e5bb78179255c45d0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3200eaee36742bf033776c85f3fae417b3c507e80560d0d91051adb7323d65b1
[INFO] running `Command { std: "docker" "start" "-a" "3200eaee36742bf033776c85f3fae417b3c507e80560d0d91051adb7323d65b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling flipdot-core v0.6.0
[INFO] [stderr]    Compiling flipdot-serial v0.6.0
[INFO] [stderr]    Compiling flipdot-testing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.28s
[INFO] running `Command { std: "docker" "inspect" "3200eaee36742bf033776c85f3fae417b3c507e80560d0d91051adb7323d65b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3200eaee36742bf033776c85f3fae417b3c507e80560d0d91051adb7323d65b1", kill_on_drop: false }`
[INFO] [stdout] 3200eaee36742bf033776c85f3fae417b3c507e80560d0d91051adb7323d65b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c13ffc2c9b0d9ae949ba2955d912773554ea888c569cf5cf29b109c92db586c
[INFO] running `Command { std: "docker" "start" "-a" "2c13ffc2c9b0d9ae949ba2955d912773554ea888c569cf5cf29b109c92db586c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flipdot-testing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "2c13ffc2c9b0d9ae949ba2955d912773554ea888c569cf5cf29b109c92db586c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c13ffc2c9b0d9ae949ba2955d912773554ea888c569cf5cf29b109c92db586c", kill_on_drop: false }`
[INFO] [stdout] 2c13ffc2c9b0d9ae949ba2955d912773554ea888c569cf5cf29b109c92db586c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11191e86562a5c7b9e9c460f522f83fe72c97d6de4127ed115a220fa1ec3f9f6
[INFO] running `Command { std: "docker" "start" "-a" "11191e86562a5c7b9e9c460f522f83fe72c97d6de4127ed115a220fa1ec3f9f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flipdot_testing-1aaa19de00fa4c4a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test virtual_sign_bus::tests::invalid_config ... ok
[INFO] [stdout] test virtual_sign_bus::tests::unknown_config ... ok
[INFO] [stdout] test virtual_sign_bus::tests::invalid_operations ... ok
[INFO] [stdout] test virtual_sign_bus::tests::normal_behavior ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flipdot-testing
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - (line 14) - compile ... FAILED
[INFO] [stdout] test src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSignBus (line 22) - compile ... FAILED
[INFO] [stdout] test src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSignBus::new (line 51) - compile ... FAILED
[INFO] [stdout] test src/odk.rs - odk::Odk<P,B>::try_new (line 72) - compile ... FAILED
[INFO] [stdout] test src/odk.rs - odk::Odk (line 36) - compile ... FAILED
[INFO] [stdout] test src/odk.rs - odk::Odk<P,B>::process_message (line 103) - compile ... FAILED
[INFO] [stdout] test src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSign::address (line 154) ... ok
[INFO] [stdout] test src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSign::new (line 131) ... ok
[INFO] [stdout] test src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSignBus::sign (line 78) ... ok
[INFO] [stdout] test src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSign::sign_type (line 186) ... ok
[INFO] [stdout] test src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSign::process_message (line 214) ... ok
[INFO] [stdout] test src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSign::state (line 167) ... ok
[INFO] [stdout] test src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSign::pages (line 201) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 14) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serial`
[INFO] [stdout]   --> src/lib.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | let port = serial::open("COM3")?;
[INFO] [stdout]    |            ^^^^^^ use of undeclared crate or module `serial`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSignBus (line 22) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serial`
[INFO] [stdout]  --> src/virtual_sign_bus.rs:29:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | let port = serial::open("/dev/ttyUSB0")?;
[INFO] [stdout]   |            ^^^^^^ use of undeclared crate or module `serial`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSignBus::new (line 51) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serial`
[INFO] [stdout]  --> src/virtual_sign_bus.rs:58:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | let port = serial::open("COM3")?;
[INFO] [stdout]   |            ^^^^^^ use of undeclared crate or module `serial`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/odk.rs - odk::Odk<P,B>::try_new (line 72) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serial`
[INFO] [stdout]  --> src/odk.rs:79:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | let port = serial::open("COM3")?;
[INFO] [stdout]   |            ^^^^^^ use of undeclared crate or module `serial`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/odk.rs - odk::Odk (line 36) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serial`
[INFO] [stdout]   --> src/odk.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | let port = serial::open("/dev/ttyUSB0")?;
[INFO] [stdout]    |            ^^^^^^ use of undeclared crate or module `serial`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/odk.rs - odk::Odk<P,B>::process_message (line 103) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serial`
[INFO] [stdout]  --> src/odk.rs:110:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | let port = serial::open("/dev/ttyUSB0")?;
[INFO] [stdout]   |            ^^^^^^ use of undeclared crate or module `serial`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 14)
[INFO] [stdout]     src/odk.rs - odk::Odk (line 36)
[INFO] [stdout]     src/odk.rs - odk::Odk<P,B>::process_message (line 103)
[INFO] [stdout]     src/odk.rs - odk::Odk<P,B>::try_new (line 72)
[INFO] [stdout]     src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSignBus (line 22)
[INFO] [stdout]     src/virtual_sign_bus.rs - virtual_sign_bus::VirtualSignBus::new (line 51)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.68s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "11191e86562a5c7b9e9c460f522f83fe72c97d6de4127ed115a220fa1ec3f9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11191e86562a5c7b9e9c460f522f83fe72c97d6de4127ed115a220fa1ec3f9f6", kill_on_drop: false }`
[INFO] [stdout] 11191e86562a5c7b9e9c460f522f83fe72c97d6de4127ed115a220fa1ec3f9f6