[INFO] updating cached repository frogshead/blue-pill-ds1820-temp-sensor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/frogshead/blue-pill-ds1820-temp-sensor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/frogshead/blue-pill-ds1820-temp-sensor" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/frogshead/blue-pill-ds1820-temp-sensor"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/frogshead/blue-pill-ds1820-temp-sensor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/frogshead/blue-pill-ds1820-temp-sensor" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/frogshead/blue-pill-ds1820-temp-sensor"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/frogshead/blue-pill-ds1820-temp-sensor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ad2f49dbf7538842d7db1f9e7192d0d8a3b0c0a
[INFO] sha for GitHub repo frogshead/blue-pill-ds1820-temp-sensor: 6ad2f49dbf7538842d7db1f9e7192d0d8a3b0c0a
[INFO] validating manifest of frogshead/blue-pill-ds1820-temp-sensor on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of frogshead/blue-pill-ds1820-temp-sensor on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing frogshead/blue-pill-ds1820-temp-sensor
[INFO] finished frobbing frogshead/blue-pill-ds1820-temp-sensor
[INFO] frobbed toml for frogshead/blue-pill-ds1820-temp-sensor written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/frogshead/blue-pill-ds1820-temp-sensor/Cargo.toml
[INFO] started frobbing frogshead/blue-pill-ds1820-temp-sensor
[INFO] finished frobbing frogshead/blue-pill-ds1820-temp-sensor
[INFO] frobbed toml for frogshead/blue-pill-ds1820-temp-sensor written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/frogshead/blue-pill-ds1820-temp-sensor/Cargo.toml
[INFO] crate frogshead/blue-pill-ds1820-temp-sensor already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking frogshead/blue-pill-ds1820-temp-sensor against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/frogshead/blue-pill-ds1820-temp-sensor:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8d739c016be3c59dd22cdcfee836600bf1717df52bf55f0580d2f69381c67159
[INFO] running `"docker" "start" "-a" "8d739c016be3c59dd22cdcfee836600bf1717df52bf55f0580d2f69381c67159"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.7
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7m-none-eabi` 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" "8d739c016be3c59dd22cdcfee836600bf1717df52bf55f0580d2f69381c67159"`
[INFO] running `"docker" "rm" "-f" "8d739c016be3c59dd22cdcfee836600bf1717df52bf55f0580d2f69381c67159"`
[INFO] [stdout] 8d739c016be3c59dd22cdcfee836600bf1717df52bf55f0580d2f69381c67159