[INFO] updating cached repository AleVul/kernel_playground [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/AleVul/kernel_playground [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/AleVul/kernel_playground" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/AleVul/kernel_playground"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/AleVul/kernel_playground'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/AleVul/kernel_playground" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/AleVul/kernel_playground"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/AleVul/kernel_playground'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f2027c0a818473d324ee67f318f2235c5d7b7ab1 [INFO] sha for GitHub repo AleVul/kernel_playground: f2027c0a818473d324ee67f318f2235c5d7b7ab1 [INFO] validating manifest of AleVul/kernel_playground on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of AleVul/kernel_playground on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing AleVul/kernel_playground [INFO] finished frobbing AleVul/kernel_playground [INFO] frobbed toml for AleVul/kernel_playground written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/AleVul/kernel_playground/Cargo.toml [INFO] started frobbing AleVul/kernel_playground [INFO] finished frobbing AleVul/kernel_playground [INFO] frobbed toml for AleVul/kernel_playground written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/AleVul/kernel_playground/Cargo.toml [INFO] crate AleVul/kernel_playground has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking AleVul/kernel_playground against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-0/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/AleVul/kernel_playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fe8d93072b0f6aa751e50a55e975bf4af1aecd282d3e3af3381e0841720beef8 [INFO] running `"docker" "start" "-a" "fe8d93072b0f6aa751e50a55e975bf4af1aecd282d3e3af3381e0841720beef8"` [INFO] [stderr] Checking os_bootinfo v0.2.1 [INFO] [stderr] Checking usize_conversions v0.2.0 [INFO] [stderr] Checking ux v0.1.2 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking x86_64 v0.2.11 [INFO] [stderr] Checking bootloader_precompiled v0.3.0 [INFO] [stderr] Checking kernel_playground v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`. [INFO] [stderr] --> src/main.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | / fn panic(_info: &PanicInfo) -> ! { [INFO] [stderr] 33 | | loop {} [INFO] [stderr] 34 | | } [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 `kernel_playground`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "fe8d93072b0f6aa751e50a55e975bf4af1aecd282d3e3af3381e0841720beef8"` [INFO] running `"docker" "rm" "-f" "fe8d93072b0f6aa751e50a55e975bf4af1aecd282d3e3af3381e0841720beef8"` [INFO] [stdout] fe8d93072b0f6aa751e50a55e975bf4af1aecd282d3e3af3381e0841720beef8