[INFO] updating cached repository https://github.com/IsaacWoods/teensy_kbd
[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] c7fc064d791e54c2f45e2909b87e7eac250aa470
[INFO] testing IsaacWoods/teensy_kbd against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsaacWoods%2Fteensy_kbd" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IsaacWoods/teensy_kbd on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/IsaacWoods/teensy_kbd
[INFO] finished tweaking git repo https://github.com/IsaacWoods/teensy_kbd
[INFO] tweaked toml for git repo https://github.com/IsaacWoods/teensy_kbd written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/IsaacWoods/teensy_kbd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2add5c0c503b88fb6af26185985e3896541a29a52bc64d4216d1f65d04f4c8a
[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" "e2add5c0c503b88fb6af26185985e3896541a29a52bc64d4216d1f65d04f4c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2add5c0c503b88fb6af26185985e3896541a29a52bc64d4216d1f65d04f4c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2add5c0c503b88fb6af26185985e3896541a29a52bc64d4216d1f65d04f4c8a", kill_on_drop: false }`
[INFO] [stdout] e2add5c0c503b88fb6af26185985e3896541a29a52bc64d4216d1f65d04f4c8a
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 044bb209ea24be1c3758c1c7a7dbff9f1abde3b45f5b2348fe1521017a7d79fd
[INFO] running `Command { std: "docker" "start" "-a" "044bb209ea24be1c3758c1c7a7dbff9f1abde3b45f5b2348fe1521017a7d79fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling volatile v0.2.4
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling teensy_kbd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/watchdog.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             asm!("nop; nop" : : : "memory");
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: replace with: `llvm_asm!`
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]    = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:71:70
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub static _VECTORS: [unsafe extern "C" fn() -> !; 2] = [_stack_top, main];
[INFO] [stdout]    |                                                                      ^^^^ expected fn pointer, found fn item
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `unsafe extern "C" fn() -> !`
[INFO] [stdout]                  found fn item `extern "C" fn() {main}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `teensy_kbd`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "044bb209ea24be1c3758c1c7a7dbff9f1abde3b45f5b2348fe1521017a7d79fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044bb209ea24be1c3758c1c7a7dbff9f1abde3b45f5b2348fe1521017a7d79fd", kill_on_drop: false }`
[INFO] [stdout] 044bb209ea24be1c3758c1c7a7dbff9f1abde3b45f5b2348fe1521017a7d79fd