[INFO] crate usbd-serial 0.1.0 is already in cache
[INFO] checking usbd-serial-0.1.0 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate usbd-serial 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate usbd-serial 0.1.0 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usbd-serial 0.1.0
[INFO] finished tweaking crates.io crate usbd-serial 0.1.0
[INFO] tweaked toml for crates.io crate usbd-serial 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a2d967ad957f2bb6c67df80407ecb57d6500e5f42334f8abca20784e6841df2
[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" "6a2d967ad957f2bb6c67df80407ecb57d6500e5f42334f8abca20784e6841df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a2d967ad957f2bb6c67df80407ecb57d6500e5f42334f8abca20784e6841df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2d967ad957f2bb6c67df80407ecb57d6500e5f42334f8abca20784e6841df2", kill_on_drop: false }`
[INFO] [stdout] 6a2d967ad957f2bb6c67df80407ecb57d6500e5f42334f8abca20784e6841df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a39261323e05dad14378f25f5b22550bb211176a5ba3a5a1c6e5565532f3059
[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" "3a39261323e05dad14378f25f5b22550bb211176a5ba3a5a1c6e5565532f3059", kill_on_drop: false }`
[INFO] [stderr]     Checking usbd-serial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/serial_port.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |             unsafe { mem::uninitialized() },
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/serial_port.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |             unsafe { mem::uninitialized() })
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `generic_array`
[INFO] [stdout]    --> src/buffer.rs:141:38
[INFO] [stdout]     |
[INFO] [stdout] 141 |     type Buf = crate::buffer::Buffer<generic_array::typenum::consts::U5>;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ use of undeclared type or module `generic_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/serial_port.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |             unsafe { mem::uninitialized() },
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/serial_port.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |             unsafe { mem::uninitialized() })
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `usbd-serial`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3a39261323e05dad14378f25f5b22550bb211176a5ba3a5a1c6e5565532f3059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a39261323e05dad14378f25f5b22550bb211176a5ba3a5a1c6e5565532f3059", kill_on_drop: false }`
[INFO] [stdout] 3a39261323e05dad14378f25f5b22550bb211176a5ba3a5a1c6e5565532f3059