[INFO] crate card10-alloc 0.1.0 is already in cache
[INFO] checking card10-alloc-0.1.0 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] extracting crate card10-alloc 0.1.0 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate card10-alloc 0.1.0 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate card10-alloc 0.1.0
[INFO] finished tweaking crates.io crate card10-alloc 0.1.0
[INFO] tweaked toml for crates.io crate card10-alloc 0.1.0 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-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-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2ca64892bfa27be251b61a44c11d40c2092e02767fdd8ac11954e99977c06301
[INFO] running `"docker" "start" "-a" "2ca64892bfa27be251b61a44c11d40c2092e02767fdd8ac11954e99977c06301"`
[INFO] [stderr]     Checking linked_list_allocator v0.6.4
[INFO] [stderr]     Checking panic-abort v0.3.1
[INFO] [stderr]     Checking cortex-m v0.1.8
[INFO] [stderr]    Compiling card10-sys v1.9.0
[INFO] [stderr]     Checking alloc-cortex-m v0.3.5
[INFO] [stderr]     Checking card10-alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: duplicate lang item in crate `std`: `panic_impl`.
[INFO] [stderr]   |
[INFO] [stderr]   = note: first defined in crate `panic_abort`.
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `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: first defined in crate `std`.
[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" "2ca64892bfa27be251b61a44c11d40c2092e02767fdd8ac11954e99977c06301"`
[INFO] running `"docker" "rm" "-f" "2ca64892bfa27be251b61a44c11d40c2092e02767fdd8ac11954e99977c06301"`
[INFO] [stdout] 2ca64892bfa27be251b61a44c11d40c2092e02767fdd8ac11954e99977c06301