[INFO] updating cached repository https://github.com/lwagner94/mycpu
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d057e3d466e95dea6ce0124997f4d08b01ce4cd5
[INFO] checking lwagner94/mycpu against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flwagner94%2Fmycpu" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lwagner94/mycpu on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lwagner94/mycpu
[INFO] finished tweaking git repo https://github.com/lwagner94/mycpu
[INFO] tweaked toml for git repo https://github.com/lwagner94/mycpu written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lwagner94/mycpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5f9544dc38ad72bcd0d9bdc996a6e6d59c0cb6560991012e60294a193f8fd4e
[INFO] running `Command { std: "docker" "start" "-a" "e5f9544dc38ad72bcd0d9bdc996a6e6d59c0cb6560991012e60294a193f8fd4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5f9544dc38ad72bcd0d9bdc996a6e6d59c0cb6560991012e60294a193f8fd4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f9544dc38ad72bcd0d9bdc996a6e6d59c0cb6560991012e60294a193f8fd4e", kill_on_drop: false }`
[INFO] [stdout] e5f9544dc38ad72bcd0d9bdc996a6e6d59c0cb6560991012e60294a193f8fd4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cf054a16f3f9bc34a3e0fc59b87bee18b9fc696d7009ad5091d6d44e2cb1b28
[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" "1cf054a16f3f9bc34a3e0fc59b87bee18b9fc696d7009ad5091d6d44e2cb1b28", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mycpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mycpu v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mycpu-b5d863015c8a9977/build-script-build` (exit code: 2)
[INFO] [stderr] --- stderr
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "generate_instructions.py", line 45, in <module>
[INFO] [stderr]     with open("src/common/generated/instruction.rs", "w") as f:
[INFO] [stderr] OSError: [Errno 30] Read-only file system: 'src/common/generated/instruction.rs'
[INFO] [stderr] Traceback (most recent call last):
[INFO] [stderr]   File "generate_parser.py", line 41, in <module>
[INFO] [stderr]     with open("src/assembler/generated/matcher.rs", "w") as f:
[INFO] [stderr] OSError: [Errno 30] Read-only file system: 'src/assembler/generated/matcher.rs'
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "1cf054a16f3f9bc34a3e0fc59b87bee18b9fc696d7009ad5091d6d44e2cb1b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf054a16f3f9bc34a3e0fc59b87bee18b9fc696d7009ad5091d6d44e2cb1b28", kill_on_drop: false }`
[INFO] [stdout] 1cf054a16f3f9bc34a3e0fc59b87bee18b9fc696d7009ad5091d6d44e2cb1b28