[INFO] cloning repository https://github.com/nannap/D7018E-Embedded-decryption
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nannap/D7018E-Embedded-decryption" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnannap%2FD7018E-Embedded-decryption", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnannap%2FD7018E-Embedded-decryption'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce9bccdb023fb34b93444d8600e7b4148678e438
[INFO] testing nannap/D7018E-Embedded-decryption against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnannap%2FD7018E-Embedded-decryption" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nannap/D7018E-Embedded-decryption on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a267680a408ec46131d80b3ae58db3a6b256e21b8b41690e511c1046aa5f3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9a267680a408ec46131d80b3ae58db3a6b256e21b8b41690e511c1046aa5f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a267680a408ec46131d80b3ae58db3a6b256e21b8b41690e511c1046aa5f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a267680a408ec46131d80b3ae58db3a6b256e21b8b41690e511c1046aa5f3c", kill_on_drop: false }`
[INFO] [stdout] b9a267680a408ec46131d80b3ae58db3a6b256e21b8b41690e511c1046aa5f3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ffc2909659f2fd59574a942d2cae0d9eeecb10dc55d8b07b879f43d9c4414f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2ffc2909659f2fd59574a942d2cae0d9eeecb10dc55d8b07b879f43d9c4414f", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.3.1
[INFO] [stderr]    Compiling cortex-m-rt v0.3.6
[INFO] [stderr]    Compiling aligned v0.1.1
[INFO] [stderr]    Compiling bare-metal v0.1.1
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cortex-m-semihosting v0.2.0
[INFO] [stdout] error[E0635]: unknown feature `const_unsafe_cell_new`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.1/src/lib.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_fn,const_unsafe_cell_new)]
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bare-metal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b2ffc2909659f2fd59574a942d2cae0d9eeecb10dc55d8b07b879f43d9c4414f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ffc2909659f2fd59574a942d2cae0d9eeecb10dc55d8b07b879f43d9c4414f", kill_on_drop: false }`
[INFO] [stdout] b2ffc2909659f2fd59574a942d2cae0d9eeecb10dc55d8b07b879f43d9c4414f