[INFO] fetching crate atsamd-usb-host 0.2.1...
[INFO] testing atsamd-usb-host-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate atsamd-usb-host 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate atsamd-usb-host 0.2.1
[INFO] finished tweaking crates.io crate atsamd-usb-host 0.2.1
[INFO] tweaked toml for crates.io crate atsamd-usb-host 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate atsamd-usb-host 0.2.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding atsamd-hal v0.7.4 (available: v0.22.2)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded usb-host v0.1.3
[INFO] [stderr]   Downloaded starb v0.3.1
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded atsamd-hal v0.7.4
[INFO] [stderr]   Downloaded atsamd21e18a v0.6.0
[INFO] [stderr]   Downloaded atsamd21g18a v0.6.0
[INFO] [stderr]   Downloaded atsamd51g19a v0.6.0
[INFO] [stderr]   Downloaded atsamd51j19a v0.6.0
[INFO] [stderr]   Downloaded atsamd51j20a v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09c83757c8d5fc8452033f7deb81aaeb675d41dab0eb83bfb98eb77635727f7f
[INFO] running `Command { std: "docker" "start" "-a" "09c83757c8d5fc8452033f7deb81aaeb675d41dab0eb83bfb98eb77635727f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09c83757c8d5fc8452033f7deb81aaeb675d41dab0eb83bfb98eb77635727f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c83757c8d5fc8452033f7deb81aaeb675d41dab0eb83bfb98eb77635727f7f", kill_on_drop: false }`
[INFO] [stdout] 09c83757c8d5fc8452033f7deb81aaeb675d41dab0eb83bfb98eb77635727f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 97cd0f02f1e6083cf73b0a0d688dfb316b31d9e55b4cbde27831d2a52b3ef339
[INFO] running `Command { std: "docker" "start" "-a" "97cd0f02f1e6083cf73b0a0d688dfb316b31d9e55b4cbde27831d2a52b3ef339", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling atsamd21e18a v0.6.0
[INFO] [stderr]    Compiling usb-host v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling starb v0.3.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stdout] error[E0432]: unresolved import `cortex_m_0_7::peripheral::fpu`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.6.7/src/peripheral/mod.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub use cortex_m_0_7::peripheral::fpu;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^---
[INFO] [stdout]    |         |                         |
[INFO] [stdout]    |         |                         help: a similar name exists in the module: `FPU`
[INFO] [stdout]    |         no `fpu` in `peripheral`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/peripheral/mod.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub mod fpu;
[INFO] [stdout]    |         ^^^
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/peripheral/mod.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[cfg(any(has_fpu, native))]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `SecureFault` found for enum `cortex_m_0_7::peripheral::scb::Exception` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.6.7/src/peripheral/scb.rs:92:51
[INFO] [stdout]    |
[INFO] [stdout] 92 |             7 => VectActive::Exception(Exception::SecureFault),
[INFO] [stdout]    |                                                   ^^^^^^^^^^^ variant or associated item not found in `cortex_m_0_7::peripheral::scb::Exception`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cortex-m` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "97cd0f02f1e6083cf73b0a0d688dfb316b31d9e55b4cbde27831d2a52b3ef339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cd0f02f1e6083cf73b0a0d688dfb316b31d9e55b4cbde27831d2a52b3ef339", kill_on_drop: false }`
[INFO] [stdout] 97cd0f02f1e6083cf73b0a0d688dfb316b31d9e55b4cbde27831d2a52b3ef339