[INFO] cloning repository tl8roy/stm32f302r8_rust
[INFO] running `"git" "clone" "--bare" "git://github.com/tl8roy/stm32f302r8_rust.git" "work/cache/sources/gh/tl8roy/stm32f302r8_rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tl8roy/stm32f302r8_rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tl8roy/stm32f302r8_rust" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tl8roy/stm32f302r8_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tl8roy/stm32f302r8_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tl8roy/stm32f302r8_rust" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tl8roy/stm32f302r8_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tl8roy/stm32f302r8_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0b2e694ce6d6835cca465c215db33f13ac689211
[INFO] sha for GitHub repo tl8roy/stm32f302r8_rust: 0b2e694ce6d6835cca465c215db33f13ac689211
[INFO] validating manifest of tl8roy/stm32f302r8_rust on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tl8roy/stm32f302r8_rust on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tl8roy/stm32f302r8_rust
[INFO] finished frobbing tl8roy/stm32f302r8_rust
[INFO] frobbed toml for tl8roy/stm32f302r8_rust written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tl8roy/stm32f302r8_rust/Cargo.toml
[INFO] started frobbing tl8roy/stm32f302r8_rust
[INFO] finished frobbing tl8roy/stm32f302r8_rust
[INFO] frobbed toml for tl8roy/stm32f302r8_rust written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tl8roy/stm32f302r8_rust/Cargo.toml
[INFO] crate tl8roy/stm32f302r8_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm32f3xx-hal v0.1.3
[INFO] [stderr]   Downloaded cortex-m v0.5.9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tl8roy/stm32f302r8_rust against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-1/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tl8roy/stm32f302r8_rust:/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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 91e06fd0a2fe98df1a630c45d8ad11e18f6945042165df0557d22f9af661db85
[INFO] running `"docker" "start" "-a" "91e06fd0a2fe98df1a630c45d8ad11e18f6945042165df0557d22f9af661db85"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.28
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7em-none-eabihf` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `stable_deref_trait`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7em-none-eabihf` target may not be installed
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `vcell`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "91e06fd0a2fe98df1a630c45d8ad11e18f6945042165df0557d22f9af661db85"`
[INFO] running `"docker" "rm" "-f" "91e06fd0a2fe98df1a630c45d8ad11e18f6945042165df0557d22f9af661db85"`
[INFO] [stdout] 91e06fd0a2fe98df1a630c45d8ad11e18f6945042165df0557d22f9af661db85