[INFO] cloning repository https://github.com/serxka/uriscv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serxka/uriscv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserxka%2Furiscv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserxka%2Furiscv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c2e7e4ca54666b5df6920b931ac914d372a2060
[INFO] testing serxka/uriscv against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserxka%2Furiscv" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serxka/uriscv on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] removed /workspace/builds/worker-11/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/serxka/uriscv
[INFO] finished tweaking git repo https://github.com/serxka/uriscv
[INFO] tweaked toml for git repo https://github.com/serxka/uriscv written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/serxka/uriscv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 37e6b62d46f45d6a194c1ca7afa4f9c3383c2d5c2148e9b4ca89e4f15b589fa9
[INFO] running `Command { std: "docker" "start" "-a" "37e6b62d46f45d6a194c1ca7afa4f9c3383c2d5c2148e9b4ca89e4f15b589fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37e6b62d46f45d6a194c1ca7afa4f9c3383c2d5c2148e9b4ca89e4f15b589fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e6b62d46f45d6a194c1ca7afa4f9c3383c2d5c2148e9b4ca89e4f15b589fa9", kill_on_drop: false }`
[INFO] [stdout] 37e6b62d46f45d6a194c1ca7afa4f9c3383c2d5c2148e9b4ca89e4f15b589fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", 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] 7b44aac66a11e557d04efaa1ece620223f5144fa45cb3fffe974b7ce2b8d2acc
[INFO] running `Command { std: "docker" "start" "-a" "7b44aac66a11e557d04efaa1ece620223f5144fa45cb3fffe974b7ce2b8d2acc", kill_on_drop: false }`
[INFO] [stderr]    Compiling uriscv v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid instruction mnemonic 'wfi'
[INFO] [stdout]   --> src/util.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         asm!("wfi", options(nomem, nostack));
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:2:2
[INFO] [stdout]    |
[INFO] [stdout] 2  |     wfi
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uriscv` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7b44aac66a11e557d04efaa1ece620223f5144fa45cb3fffe974b7ce2b8d2acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b44aac66a11e557d04efaa1ece620223f5144fa45cb3fffe974b7ce2b8d2acc", kill_on_drop: false }`
[INFO] [stdout] 7b44aac66a11e557d04efaa1ece620223f5144fa45cb3fffe974b7ce2b8d2acc