[INFO] updating cached repository https://github.com/Vectole/metal-detector-project [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8a309b675506fff00b018905272f7fa87b535f58 [INFO] testing Vectole/metal-detector-project against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FVectole%2Fmetal-detector-project" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vectole/metal-detector-project on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Vectole/metal-detector-project [INFO] finished tweaking git repo https://github.com/Vectole/metal-detector-project [INFO] tweaked toml for git repo https://github.com/Vectole/metal-detector-project written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Vectole/metal-detector-project already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] f52a8d08deff6b2465c9ce4f6c60d6fe09c7bffc27c567ff41901b822c01336a [INFO] running `"docker" "start" "-a" "f52a8d08deff6b2465c9ce4f6c60d6fe09c7bffc27c567ff41901b822c01336a"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling cortex-m v0.6.1 [INFO] [stderr] Compiling cortex-m-rt v0.6.10 [INFO] [stderr] Compiling vcell v0.1.0 [INFO] [stderr] Compiling r0 v0.2.2 [INFO] [stderr] Compiling stm32f1 v0.8.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling nb v0.1.2 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling panic-halt v0.2.0 [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[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[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[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[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[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[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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0463`. [INFO] [stderr] For more information about this error, try `rustc --explain E0463`. [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: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0463`. [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: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0463`. [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: Could not compile `r0`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `nb`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `cast`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `vcell`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `void`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `panic-halt`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f52a8d08deff6b2465c9ce4f6c60d6fe09c7bffc27c567ff41901b822c01336a"` [INFO] running `"docker" "rm" "-f" "f52a8d08deff6b2465c9ce4f6c60d6fe09c7bffc27c567ff41901b822c01336a"` [INFO] [stdout] f52a8d08deff6b2465c9ce4f6c60d6fe09c7bffc27c567ff41901b822c01336a