[INFO] updating cached repository https://github.com/saethlin/fls
[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] [stderr] From https://github.com/saethlin/fls
[INFO] [stderr]    179bf62..e9605d8  master     -> master
[INFO] [stderr]  * [new tag]         e9605d8    -> e9605d8
[INFO] [stderr]  * [new tag]         03fbc2c    -> 03fbc2c
[INFO] [stderr]  * [new tag]         37eb6ee    -> 37eb6ee
[INFO] [stderr]  * [new tag]         8bf2905    -> 8bf2905
[INFO] [stderr]  * [new tag]         cbb76a2    -> cbb76a2
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e9605d8dbaaeedd8e109e9a2bc4c5ae91b30cb6f
[INFO] checking saethlin/fls against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68746
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaethlin%2Ffls" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saethlin/fls on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/saethlin/fls
[INFO] finished tweaking git repo https://github.com/saethlin/fls
[INFO] tweaked toml for git repo https://github.com/saethlin/fls written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/saethlin/fls already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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] bde2ded88eae058b8869f4b0941e7583fac2e1afc8557e406e6e4c5623d9dd70
[INFO] running `"docker" "start" "-a" "bde2ded88eae058b8869f4b0941e7583fac2e1afc8557e406e6e4c5623d9dd70"`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking syscall v0.2.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking veneer v0.1.0 (https://github.com/saethlin/veneer#c5813b08)
[INFO] [stderr]     Checking fls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0152]: found duplicate lang item `eh_personality`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub extern "C" fn rust_eh_personality() {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: the lang item is first defined in crate `panic_unwind` (which `std` depends on)
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stderr] 17 | |     unsafe { libc::abort() }
[INFO] [stderr] 18 | | }
[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[E0152]: found duplicate lang item `oom`
[INFO] [stderr]   --> src/main.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / fn alloc_error(_: core::alloc::Layout) -> ! {
[INFO] [stderr] 22 | |     unsafe { libc::abort() }
[INFO] [stderr] 23 | | }
[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 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `fls`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bde2ded88eae058b8869f4b0941e7583fac2e1afc8557e406e6e4c5623d9dd70"`
[INFO] running `"docker" "rm" "-f" "bde2ded88eae058b8869f4b0941e7583fac2e1afc8557e406e6e4c5623d9dd70"`
[INFO] [stdout] bde2ded88eae058b8869f4b0941e7583fac2e1afc8557e406e6e4c5623d9dd70