[INFO] updating cached repository https://github.com/3541/syzygy
[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] 85536e8498c97d282e6031abf4d685a06165ae26
[INFO] checking 3541/syzygy against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3541%2Fsyzygy" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/3541/syzygy on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/3541/syzygy
[INFO] finished tweaking git repo https://github.com/3541/syzygy
[INFO] tweaked toml for git repo https://github.com/3541/syzygy written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/3541/syzygy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 564166f7db4f1a8c6827b79801f5976f04c28794a772a1d6d7c027850d2c6050
[INFO] running `"docker" "start" "-a" "564166f7db4f1a8c6827b79801f5976f04c28794a772a1d6d7c027850d2c6050"`
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking array-init v0.1.0
[INFO] [stderr]     Checking multiboot2 v0.8.1
[INFO] [stderr]     Checking syzygy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/hardware/interrupt/exception.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / macro_rules! errc_handler_ret {
[INFO] [stderr] 21 | |     ( $n:ident ) => {
[INFO] [stderr] 22 | |         pub extern "x86-interrupt" fn $n(stack: &mut InterruptStackFrame, err: usize) {
[INFO] [stderr] 23 | |             crate::println!(
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     };
[INFO] [stderr] 31 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/hardware/interrupt/exception.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / macro_rules! errc_handler_halt {
[INFO] [stderr] 34 | |     ( $n:ident ) => {
[INFO] [stderr] 35 | |         pub extern "x86-interrupt" fn $n(stack: &mut InterruptStackFrame, err: usize) {
[INFO] [stderr] 36 | |             crate::println!(
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     };
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `syzygy`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "564166f7db4f1a8c6827b79801f5976f04c28794a772a1d6d7c027850d2c6050"`
[INFO] running `"docker" "rm" "-f" "564166f7db4f1a8c6827b79801f5976f04c28794a772a1d6d7c027850d2c6050"`
[INFO] [stdout] 564166f7db4f1a8c6827b79801f5976f04c28794a772a1d6d7c027850d2c6050