[INFO] updating cached repository https://github.com/nannap/D7018E-Embedded-decryption
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] ce9bccdb023fb34b93444d8600e7b4148678e438
[INFO] checking nannap/D7018E-Embedded-decryption against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnannap%2FD7018E-Embedded-decryption" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nannap/D7018E-Embedded-decryption on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nannap/D7018E-Embedded-decryption
[INFO] finished tweaking git repo https://github.com/nannap/D7018E-Embedded-decryption
[INFO] tweaked toml for git repo https://github.com/nannap/D7018E-Embedded-decryption written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nannap/D7018E-Embedded-decryption already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b5e93ef990814615aa1cad1c16739ae2beea64af8ab63c7246ee6eaba8e214b
[INFO] running `"docker" "start" "-a" "8b5e93ef990814615aa1cad1c16739ae2beea64af8ab63c7246ee6eaba8e214b"`
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.3.1
[INFO] [stderr]    Compiling cortex-m-rt v0.3.6
[INFO] [stderr]     Checking aligned v0.1.1
[INFO] [stderr]     Checking bare-metal v0.1.1
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cortex-m-semihosting v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr] error[E0635]: unknown feature `const_unsafe_cell_new`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.1/src/lib.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(const_fn,const_unsafe_cell_new)]
[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 E0635`.
[INFO] [stderr] error: could not compile `bare-metal`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8b5e93ef990814615aa1cad1c16739ae2beea64af8ab63c7246ee6eaba8e214b"`
[INFO] running `"docker" "rm" "-f" "8b5e93ef990814615aa1cad1c16739ae2beea64af8ab63c7246ee6eaba8e214b"`
[INFO] [stdout] 8b5e93ef990814615aa1cad1c16739ae2beea64af8ab63c7246ee6eaba8e214b