[INFO] updating cached repository https://github.com/rybot666/bootloader
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] bd0bce685052cf1a4f562247a70a84ccbf64275b
[INFO] checking rybot666/bootloader against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frybot666%2Fbootloader" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rybot666/bootloader on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rybot666/bootloader
[INFO] finished tweaking git repo https://github.com/rybot666/bootloader
[INFO] tweaked toml for git repo https://github.com/rybot666/bootloader written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rybot666/bootloader already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f5cf2b2bdcd2988af9bb0a17147b2bd3d4eb61ff6f0350faf70abc21d036e85d
[INFO] running `"docker" "start" "-a" "f5cf2b2bdcd2988af9bb0a17147b2bd3d4eb61ff6f0350faf70abc21d036e85d"`
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking rusty16 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `stored_es`
[INFO] [stderr]   --> src/utils/mod.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let stored_es = es.read();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_stored_es`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stored_ds`
[INFO] [stderr]   --> src/utils/mod.rs:31:6
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let stored_ds = ds.read();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_stored_ds`
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
[INFO] [stderr]   --> src/main.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | / pub extern "C" fn panic(info: &PanicInfo) -> ! {
[INFO] [stderr] 30 | |     // Write a message telling the user that we've panicked
[INFO] [stderr] 31 | |     let (file, line, column) = match info.location() {
[INFO] [stderr] 32 | |         Some(location) => (location.file(), location.line(), location.column()),
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     loop {}
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `std`.
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `eh_personality`.
[INFO] [stderr]   --> src/main.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | extern "C" fn eh_personality() { loop {} }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `panic_unwind`.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: Could not compile `rusty16`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f5cf2b2bdcd2988af9bb0a17147b2bd3d4eb61ff6f0350faf70abc21d036e85d"`
[INFO] running `"docker" "rm" "-f" "f5cf2b2bdcd2988af9bb0a17147b2bd3d4eb61ff6f0350faf70abc21d036e85d"`
[INFO] [stdout] f5cf2b2bdcd2988af9bb0a17147b2bd3d4eb61ff6f0350faf70abc21d036e85d