[INFO] cloning repository greenlaver/standalone_helloworld
[INFO] running `"git" "clone" "--bare" "git://github.com/greenlaver/standalone_helloworld.git" "work/cache/sources/gh/greenlaver/standalone_helloworld"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/greenlaver/standalone_helloworld'...
[INFO] running `"git" "clone" "work/cache/sources/gh/greenlaver/standalone_helloworld" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/greenlaver/standalone_helloworld"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/greenlaver/standalone_helloworld'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/greenlaver/standalone_helloworld" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/greenlaver/standalone_helloworld"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/greenlaver/standalone_helloworld'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc966abcad649b4f93e9114ece79aece7823802b
[INFO] sha for GitHub repo greenlaver/standalone_helloworld: cc966abcad649b4f93e9114ece79aece7823802b
[INFO] validating manifest of greenlaver/standalone_helloworld on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of greenlaver/standalone_helloworld on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing greenlaver/standalone_helloworld
[INFO] finished frobbing greenlaver/standalone_helloworld
[INFO] frobbed toml for greenlaver/standalone_helloworld written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/greenlaver/standalone_helloworld/Cargo.toml
[INFO] started frobbing greenlaver/standalone_helloworld
[INFO] finished frobbing greenlaver/standalone_helloworld
[INFO] frobbed toml for greenlaver/standalone_helloworld written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/greenlaver/standalone_helloworld/Cargo.toml
[INFO] crate greenlaver/standalone_helloworld already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking greenlaver/standalone_helloworld against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/greenlaver/standalone_helloworld:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df4440ab3c9f706bb38b208de8ae505f120c0f9c4da13e301cf8dcd59b1e78a5
[INFO] running `"docker" "start" "-a" "df4440ab3c9f706bb38b208de8ae505f120c0f9c4da13e301cf8dcd59b1e78a5"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stderr] 20 | |     loop {}
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `std`.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: Could not compile `hello`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "df4440ab3c9f706bb38b208de8ae505f120c0f9c4da13e301cf8dcd59b1e78a5"`
[INFO] running `"docker" "rm" "-f" "df4440ab3c9f706bb38b208de8ae505f120c0f9c4da13e301cf8dcd59b1e78a5"`
[INFO] [stdout] df4440ab3c9f706bb38b208de8ae505f120c0f9c4da13e301cf8dcd59b1e78a5