[INFO] updating cached repository https://github.com/sasuseso/mek
[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] d6647cdf7342cfb322ab217262180cdeeea74ba7
[INFO] checking sasuseso/mek against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasuseso%2Fmek" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sasuseso/mek on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sasuseso/mek
[INFO] finished tweaking git repo https://github.com/sasuseso/mek
[INFO] tweaked toml for git repo https://github.com/sasuseso/mek written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sasuseso/mek already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: build
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] c13d7dbf99d88899194c3f2364a6c2cc46c497efb2c425c3a044697b1a843403
[INFO] running `"docker" "start" "-a" "c13d7dbf99d88899194c3f2364a6c2cc46c497efb2c425c3a044697b1a843403"`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]     Checking multiboot2 v0.8.2
[INFO] [stderr]     Checking mek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/lib.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         asm!(""::"{rbx}"(info));
[INFO] [stderr]    |         ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'asm': the syntax of asm! will change soon, use llvm_asm! to avoid breakage
[INFO] [stderr]   --> src/lib.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             asm!("hlt");
[INFO] [stderr]    |             ^^^ help: replace the use of the deprecated item: `llvm_asm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FramebufferField`
[INFO] [stderr]  --> src/lib.rs:8:41
[INFO] [stderr]   |
[INFO] [stderr] 8 | use multiboot2::{load, FramebufferType, FramebufferField};
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/lib.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn panic(_info: &PanicInfo) -> ! { loop {} }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `mek`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c13d7dbf99d88899194c3f2364a6c2cc46c497efb2c425c3a044697b1a843403"`
[INFO] running `"docker" "rm" "-f" "c13d7dbf99d88899194c3f2364a6c2cc46c497efb2c425c3a044697b1a843403"`
[INFO] [stdout] c13d7dbf99d88899194c3f2364a6c2cc46c497efb2c425c3a044697b1a843403