[INFO] fetching crate usbd-serial 0.1.0...
[INFO] checking usbd-serial-0.1.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate usbd-serial 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate usbd-serial 0.1.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33f945e0ee2f3ebb9f4a99cc238a463347652b80fa3e8aaace74cd02400b616b
[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" "33f945e0ee2f3ebb9f4a99cc238a463347652b80fa3e8aaace74cd02400b616b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33f945e0ee2f3ebb9f4a99cc238a463347652b80fa3e8aaace74cd02400b616b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f945e0ee2f3ebb9f4a99cc238a463347652b80fa3e8aaace74cd02400b616b", kill_on_drop: false }`
[INFO] [stdout] 33f945e0ee2f3ebb9f4a99cc238a463347652b80fa3e8aaace74cd02400b616b
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf13a7317e24722f1209033cd6e5fb2158b2e0f09c3b4e851339a7ad5f9e3d9d
[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" "bf13a7317e24722f1209033cd6e5fb2158b2e0f09c3b4e851339a7ad5f9e3d9d", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking usb-device v0.2.5
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking usbd-serial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `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 function `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 function `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 function `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" "bf13a7317e24722f1209033cd6e5fb2158b2e0f09c3b4e851339a7ad5f9e3d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf13a7317e24722f1209033cd6e5fb2158b2e0f09c3b4e851339a7ad5f9e3d9d", kill_on_drop: false }`
[INFO] [stdout] bf13a7317e24722f1209033cd6e5fb2158b2e0f09c3b4e851339a7ad5f9e3d9d
