[INFO] fetching crate atsamd-usb-host 0.2.0...
[INFO] testing atsamd-usb-host-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate atsamd-usb-host 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate atsamd-usb-host 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d23ed5902cd8292cf8f4057d10ce612507b88cc86503838e4da99004f5eed094
[INFO] running `Command { std: "docker" "start" "-a" "d23ed5902cd8292cf8f4057d10ce612507b88cc86503838e4da99004f5eed094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d23ed5902cd8292cf8f4057d10ce612507b88cc86503838e4da99004f5eed094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23ed5902cd8292cf8f4057d10ce612507b88cc86503838e4da99004f5eed094", kill_on_drop: false }`
[INFO] [stdout] d23ed5902cd8292cf8f4057d10ce612507b88cc86503838e4da99004f5eed094
[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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7e04f37e7c167ecd71f1b8a30f81a72ebe73e4727e7aef64741e93710224477
[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" "c7e04f37e7c167ecd71f1b8a30f81a72ebe73e4727e7aef64741e93710224477", 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] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling atsamd21e18a v0.6.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling usb-host v0.1.2
[INFO] [stderr]    Compiling starb v0.3.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling atsamd-hal v0.7.4
[INFO] [stderr]    Compiling atsamd-usb-host v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `usb_host::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 14.55s
[INFO] running `Command { std: "docker" "inspect" "c7e04f37e7c167ecd71f1b8a30f81a72ebe73e4727e7aef64741e93710224477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e04f37e7c167ecd71f1b8a30f81a72ebe73e4727e7aef64741e93710224477", kill_on_drop: false }`
[INFO] [stdout] c7e04f37e7c167ecd71f1b8a30f81a72ebe73e4727e7aef64741e93710224477
[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=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce156f06ada84d08e6e08815cbca80a0a87421a482b11b5aea2c269f9a286666
[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" "ce156f06ada84d08e6e08815cbca80a0a87421a482b11b5aea2c269f9a286666", kill_on_drop: false }`
[INFO] [stderr]    Compiling atsamd-usb-host v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `usb_host::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] [stdout] warning: the type `usb_host::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 test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "ce156f06ada84d08e6e08815cbca80a0a87421a482b11b5aea2c269f9a286666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce156f06ada84d08e6e08815cbca80a0a87421a482b11b5aea2c269f9a286666", kill_on_drop: false }`
[INFO] [stdout] ce156f06ada84d08e6e08815cbca80a0a87421a482b11b5aea2c269f9a286666
[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=warn" "-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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 032295122fe85522fe63c18d3a283ad90eefa4207732487cd4f1f42836acc2d3
[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" "032295122fe85522fe63c18d3a283ad90eefa4207732487cd4f1f42836acc2d3", kill_on_drop: false }`
[INFO] [stderr] warning: the type `usb_host::DeviceDescriptor` does not permit being left uninitialized
[INFO] [stderr]    --> src/lib.rs:396:22
[INFO] [stderr]     |
[INFO] [stderr] 396 |             unsafe { MaybeUninit::<DeviceDescriptor>::uninit().assume_init() };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      this code causes undefined behavior when executed
[INFO] [stderr]     |                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: enums have to be initialized to a variant
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/usb-host-0.1.2/src/descriptor.rs:13:1
[INFO] [stderr]     |
[INFO] [stderr] 13  | / pub enum DescriptorType {
[INFO] [stderr] 14  | |     Device = 1,
[INFO] [stderr] 15  | |     Configuration = 2,
[INFO] [stderr] 16  | |     String = 3,
[INFO] [stderr] ...   |
[INFO] [stderr] 21  | |     InterfacePower = 8,
[INFO] [stderr] 22  | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the type `usb_host::DeviceDescriptor` does not permit being left uninitialized
[INFO] [stderr]    --> src/lib.rs:396:22
[INFO] [stderr]     |
[INFO] [stderr] 396 |             unsafe { MaybeUninit::<DeviceDescriptor>::uninit().assume_init() };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      this code causes undefined behavior when executed
[INFO] [stderr]     |                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: enums have to be initialized to a variant
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/usb-host-0.1.2/src/descriptor.rs:13:1
[INFO] [stderr]     |
[INFO] [stderr] 13  | / pub enum DescriptorType {
[INFO] [stderr] 14  | |     Device = 1,
[INFO] [stderr] 15  | |     Configuration = 2,
[INFO] [stderr] 16  | |     String = 3,
[INFO] [stderr] ...   |
[INFO] [stderr] 21  | |     InterfacePower = 8,
[INFO] [stderr] 22  | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/atsamd_usb_host-f38e2ec638ccd2b8
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test pipe::test::bank_desc_offsets ... ok
[INFO] [stdout] test pipe::test::pipe_desc_offsets ... ok
[INFO] [stdout] test pipe::test::bank_desc_sizes ... ok
[INFO] [stdout] test pipe::test::pipe_desc_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests atsamd-usb-host
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "032295122fe85522fe63c18d3a283ad90eefa4207732487cd4f1f42836acc2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032295122fe85522fe63c18d3a283ad90eefa4207732487cd4f1f42836acc2d3", kill_on_drop: false }`
[INFO] [stdout] 032295122fe85522fe63c18d3a283ad90eefa4207732487cd4f1f42836acc2d3
