[INFO] crate card10-alloc 0.1.1 is already in cache
[INFO] checking card10-alloc-0.1.1 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] extracting crate card10-alloc 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate card10-alloc 0.1.1 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate card10-alloc 0.1.1
[INFO] finished tweaking crates.io crate card10-alloc 0.1.1
[INFO] tweaked toml for crates.io crate card10-alloc 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1809a5c0fd1f1d69dfcd4cf5af93f91853e2693bd2e3cf8c5b0471fc8303b19f
[INFO] running `"docker" "start" "-a" "1809a5c0fd1f1d69dfcd4cf5af93f91853e2693bd2e3cf8c5b0471fc8303b19f"`
[INFO] [stderr]     Checking volatile-register v0.1.2
[INFO] [stderr]     Checking panic-abort v0.3.2
[INFO] [stderr]     Checking linked_list_allocator v0.6.6
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling card10-sys v1.10.0
[INFO] [stderr]     Checking cortex-m v0.1.8
[INFO] [stderr]     Checking alloc-cortex-m v0.3.5
[INFO] [stderr]     Checking card10-alloc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stderr]   |
[INFO] [stderr]   = note: the lang item is first defined in crate `panic_abort` (which `card10_sys` depends on)
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: found duplicate lang item `oom`
[INFO] [stderr]   --> src/lib.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | / fn on_oom(_layout: Layout) -> ! {
[INFO] [stderr] 65 | |     panic!("OOM")
[INFO] [stderr] 66 | | }
[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 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `card10-alloc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1809a5c0fd1f1d69dfcd4cf5af93f91853e2693bd2e3cf8c5b0471fc8303b19f"`
[INFO] running `"docker" "rm" "-f" "1809a5c0fd1f1d69dfcd4cf5af93f91853e2693bd2e3cf8c5b0471fc8303b19f"`
[INFO] [stdout] 1809a5c0fd1f1d69dfcd4cf5af93f91853e2693bd2e3cf8c5b0471fc8303b19f