[INFO] updating cached repository oresat/stm32f446xx-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/oresat/stm32f446xx-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/oresat/stm32f446xx-rs" "work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/oresat/stm32f446xx-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/oresat/stm32f446xx-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/oresat/stm32f446xx-rs" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/oresat/stm32f446xx-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/oresat/stm32f446xx-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2cf06b15e8a8b8cc280709320bbbb21df44d4ad6
[INFO] sha for GitHub repo oresat/stm32f446xx-rs: 2cf06b15e8a8b8cc280709320bbbb21df44d4ad6
[INFO] validating manifest of oresat/stm32f446xx-rs on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of oresat/stm32f446xx-rs on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing oresat/stm32f446xx-rs
[INFO] finished frobbing oresat/stm32f446xx-rs
[INFO] frobbed toml for oresat/stm32f446xx-rs written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/oresat/stm32f446xx-rs/Cargo.toml
[INFO] started frobbing oresat/stm32f446xx-rs
[INFO] finished frobbing oresat/stm32f446xx-rs
[INFO] frobbed toml for oresat/stm32f446xx-rs written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/oresat/stm32f446xx-rs/Cargo.toml
[INFO] crate oresat/stm32f446xx-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking oresat/stm32f446xx-rs against try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-2/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/oresat/stm32f446xx-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 50e645bedc78f888288b6d1bff168d0a1d0fdd4100877d814a6edfd72d64b6d7
[INFO] running `"docker" "start" "-a" "50e645bedc78f888288b6d1bff168d0a1d0fdd4100877d814a6edfd72d64b6d7"`
[INFO] [stderr]    Compiling cortex-m v0.2.9
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]     Checking aligned v0.1.1
[INFO] [stderr]     Checking cortex-m-semihosting v0.1.3
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-semihosting-0.1.3/src/lib.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | #![feature(asm)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `cortex-m-semihosting`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.1/src/lib.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | #![feature(const_fn)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `aligned`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "50e645bedc78f888288b6d1bff168d0a1d0fdd4100877d814a6edfd72d64b6d7"`
[INFO] running `"docker" "rm" "-f" "50e645bedc78f888288b6d1bff168d0a1d0fdd4100877d814a6edfd72d64b6d7"`
[INFO] [stdout] 50e645bedc78f888288b6d1bff168d0a1d0fdd4100877d814a6edfd72d64b6d7