[INFO] fetching crate atsamd-usb-host 0.2.0...
[INFO] checking atsamd-usb-host-0.2.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate atsamd-usb-host 0.2.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate atsamd-usb-host 0.2.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atsamd-usb-host 0.2.0
[INFO] finished tweaking crates.io crate atsamd-usb-host 0.2.0
[INFO] tweaked toml for crates.io crate atsamd-usb-host 0.2.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usb-host v0.1.2
[INFO] [stderr]   Downloaded starb v0.3.0
[INFO] [stderr]   Downloaded atsamd-hal v0.7.4
[INFO] [stderr]   Downloaded atsamd21g18a v0.6.0
[INFO] [stderr]   Downloaded atsamd21e18a v0.6.0
[INFO] [stderr]   Downloaded atsamd51j19a v0.6.0
[INFO] [stderr]   Downloaded atsamd51g19a v0.6.0
[INFO] [stderr]   Downloaded atsamd51j20a v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19f22b7eca02ef1f0da35e9aba0ae36d2f03518f97fe3f0b6bad1cad54fab7b0
[INFO] running `Command { std: "docker" "start" "-a" "19f22b7eca02ef1f0da35e9aba0ae36d2f03518f97fe3f0b6bad1cad54fab7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19f22b7eca02ef1f0da35e9aba0ae36d2f03518f97fe3f0b6bad1cad54fab7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f22b7eca02ef1f0da35e9aba0ae36d2f03518f97fe3f0b6bad1cad54fab7b0", kill_on_drop: false }`
[INFO] [stdout] 19f22b7eca02ef1f0da35e9aba0ae36d2f03518f97fe3f0b6bad1cad54fab7b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02e0bd58d3ede57452bb517a1eefa74243254d4dc826350eda3b8e6618699141
[INFO] running `Command { std: "docker" "start" "-a" "02e0bd58d3ede57452bb517a1eefa74243254d4dc826350eda3b8e6618699141", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   atsamd-hal v0.7.4: atsamd21e18a, samd21e18a
[INFO] [stderr] 
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling atsamd21e18a v0.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking starb v0.3.0
[INFO] [stderr]     Checking usb-host v0.1.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]     Checking atsamd-hal v0.7.4
[INFO] [stderr]     Checking atsamd-usb-host v0.2.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: field is never read: `bank1`
[INFO] [stdout]    --> src/pipe.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 718 |     pub bank1: BankDesc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `DeviceDescriptor` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:396:22
[INFO] [stdout]     |
[INFO] [stdout] 396 |             unsafe { MaybeUninit::<DeviceDescriptor>::uninit().assume_init() };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this code causes undefined behavior when executed
[INFO] [stdout]     |                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/usb-host-0.1.2/src/descriptor.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | / pub enum DescriptorType {
[INFO] [stdout] 14  | |     Device = 1,
[INFO] [stdout] 15  | |     Configuration = 2,
[INFO] [stdout] 16  | |     String = 3,
[INFO] [stdout] ...   |
[INFO] [stdout] 21  | |     InterfacePower = 8,
[INFO] [stdout] 22  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `DeviceDescriptor` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:396:22
[INFO] [stdout]     |
[INFO] [stdout] 396 |             unsafe { MaybeUninit::<DeviceDescriptor>::uninit().assume_init() };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this code causes undefined behavior when executed
[INFO] [stdout]     |                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/usb-host-0.1.2/src/descriptor.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | / pub enum DescriptorType {
[INFO] [stdout] 14  | |     Device = 1,
[INFO] [stdout] 15  | |     Configuration = 2,
[INFO] [stdout] 16  | |     String = 3,
[INFO] [stdout] ...   |
[INFO] [stdout] 21  | |     InterfacePower = 8,
[INFO] [stdout] 22  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.70s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking atsamd-usb-host v0.2.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `bank1`
[INFO] [stdout]    --> src/pipe.rs:718:5
[INFO] [stdout]     |
[INFO] [stdout] 718 |     pub bank1: BankDesc,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `DeviceDescriptor` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:396:22
[INFO] [stdout]     |
[INFO] [stdout] 396 |             unsafe { MaybeUninit::<DeviceDescriptor>::uninit().assume_init() };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this code causes undefined behavior when executed
[INFO] [stdout]     |                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/usb-host-0.1.2/src/descriptor.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | / pub enum DescriptorType {
[INFO] [stdout] 14  | |     Device = 1,
[INFO] [stdout] 15  | |     Configuration = 2,
[INFO] [stdout] 16  | |     String = 3,
[INFO] [stdout] ...   |
[INFO] [stdout] 21  | |     InterfacePower = 8,
[INFO] [stdout] 22  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `DeviceDescriptor` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:396:22
[INFO] [stdout]     |
[INFO] [stdout] 396 |             unsafe { MaybeUninit::<DeviceDescriptor>::uninit().assume_init() };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this code causes undefined behavior when executed
[INFO] [stdout]     |                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: enums have to be initialized to a variant
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/usb-host-0.1.2/src/descriptor.rs:13:1
[INFO] [stdout]     |
[INFO] [stdout] 13  | / pub enum DescriptorType {
[INFO] [stdout] 14  | |     Device = 1,
[INFO] [stdout] 15  | |     Configuration = 2,
[INFO] [stdout] 16  | |     String = 3,
[INFO] [stdout] ...   |
[INFO] [stdout] 21  | |     InterfacePower = 8,
[INFO] [stdout] 22  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "02e0bd58d3ede57452bb517a1eefa74243254d4dc826350eda3b8e6618699141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e0bd58d3ede57452bb517a1eefa74243254d4dc826350eda3b8e6618699141", kill_on_drop: false }`
[INFO] [stdout] 02e0bd58d3ede57452bb517a1eefa74243254d4dc826350eda3b8e6618699141