[INFO] fetching crate mh-z19c 0.2.0...
[INFO] checking mh-z19c-0.2.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate mh-z19c 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mh-z19c 0.2.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mh-z19c 0.2.0
[INFO] finished tweaking crates.io crate mh-z19c 0.2.0
[INFO] tweaked toml for crates.io crate mh-z19c 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bda60c02b3b4381f7df3a6a911534bc707192c0339d644912a9311dc3b490463
[INFO] running `Command { std: "docker" "start" "-a" "bda60c02b3b4381f7df3a6a911534bc707192c0339d644912a9311dc3b490463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bda60c02b3b4381f7df3a6a911534bc707192c0339d644912a9311dc3b490463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda60c02b3b4381f7df3a6a911534bc707192c0339d644912a9311dc3b490463", kill_on_drop: false }`
[INFO] [stdout] bda60c02b3b4381f7df3a6a911534bc707192c0339d644912a9311dc3b490463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 167c12cb3cf5c688f611c9d9a747a7e59d3a6279656f9d184cc56e1ad88cd916
[INFO] running `Command { std: "docker" "start" "-a" "167c12cb3cf5c688f611c9d9a747a7e59d3a6279656f9d184cc56e1ad88cd916", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking mh-z19c v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `test_support`
[INFO] [stdout]    --> src/nb_comm.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |     use test_support::serial_mock::SerialMock;
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `test_support`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `test_support`
[INFO] [stdout]    --> src/lib.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |     use test_support::serial_mock::SerialMock;
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `test_support`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_support`
[INFO] [stdout]    --> src/lib.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use test_support::{
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `test_support`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/nb_comm.rs:322:26
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let write_mock = SerialMock::new(
[INFO] [stdout]     |                          ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/nb_comm.rs:344:13
[INFO] [stdout]     |
[INFO] [stdout] 344 |             SerialMock::new(vec![], vec![Err(nb::Error::Other("expected error".into()))]);
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/nb_comm.rs:356:25
[INFO] [stdout]     |
[INFO] [stdout] 356 |         let read_mock = SerialMock::new(
[INFO] [stdout]     |                         ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/nb_comm.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 378 |             SerialMock::new(vec![Err(nb::Error::Other("expected error".into()))], vec![]);
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/nb_comm.rs:390:27
[INFO] [stdout]     |
[INFO] [stdout] 390 |         let serial_mock = SerialMock::new(
[INFO] [stdout]     |                           ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/nb_comm.rs:414:13
[INFO] [stdout]     |
[INFO] [stdout] 414 |             SerialMock::new(vec![], vec![Err(nb::Error::Other("expected error".into()))]);
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/lib.rs:263:20
[INFO] [stdout]     |
[INFO] [stdout] 263 |         let uart = SerialMock::new(
[INFO] [stdout]     |                    ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/lib.rs:314:20
[INFO] [stdout]     |
[INFO] [stdout] 314 |         let uart = SerialMock::new(vec![], vec![Err(nb::Error::Other("No more data.".into()))]);
[INFO] [stdout]     |                    ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/lib.rs:324:20
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let uart = SerialMock::new(vec![], vec![Err(nb::Error::WouldBlock)]);
[INFO] [stdout]     |                    ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/lib.rs:335:20
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let uart = SerialMock::new(read_data, vec![Ok(()); 2 * 9]);
[INFO] [stdout]     |                    ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialMock`
[INFO] [stdout]    --> src/lib.rs:345:20
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let uart = SerialMock::new(
[INFO] [stdout]     |                    ^^^^^^^^^^ use of undeclared type `SerialMock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mh-z19c`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "167c12cb3cf5c688f611c9d9a747a7e59d3a6279656f9d184cc56e1ad88cd916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167c12cb3cf5c688f611c9d9a747a7e59d3a6279656f9d184cc56e1ad88cd916", kill_on_drop: false }`
[INFO] [stdout] 167c12cb3cf5c688f611c9d9a747a7e59d3a6279656f9d184cc56e1ad88cd916