[INFO] crate panic-itm 0.4.1 is already in cache [INFO] extracting crate panic-itm 0.4.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/panic-itm/0.4.1 [INFO] extracting crate panic-itm 0.4.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/panic-itm/0.4.1 [INFO] validating manifest of panic-itm-0.4.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of panic-itm-0.4.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing panic-itm-0.4.1 [INFO] finished frobbing panic-itm-0.4.1 [INFO] frobbed toml for panic-itm-0.4.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/panic-itm/0.4.1/Cargo.toml [INFO] started frobbing panic-itm-0.4.1 [INFO] finished frobbing panic-itm-0.4.1 [INFO] frobbed toml for panic-itm-0.4.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/panic-itm/0.4.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing panic-itm-0.4.1 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/panic-itm/0.4.1:/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 90bc48f1a5d9bd48efba745b8ac4ec09adac5a7f1a228b506cfb3eb8f2eb9355 [INFO] running `"docker" "start" "-a" "90bc48f1a5d9bd48efba745b8ac4ec09adac5a7f1a228b506cfb3eb8f2eb9355"` [INFO] [stderr] Compiling panic-itm v0.4.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `"docker" "inspect" "90bc48f1a5d9bd48efba745b8ac4ec09adac5a7f1a228b506cfb3eb8f2eb9355"` [INFO] running `"docker" "rm" "-f" "90bc48f1a5d9bd48efba745b8ac4ec09adac5a7f1a228b506cfb3eb8f2eb9355"` [INFO] [stdout] 90bc48f1a5d9bd48efba745b8ac4ec09adac5a7f1a228b506cfb3eb8f2eb9355 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/panic-itm/0.4.1:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 8c2693c800ae2b4494337fb6781a500d9b851a170b62884044a44da362de3904 [INFO] running `"docker" "start" "-a" "8c2693c800ae2b4494337fb6781a500d9b851a170b62884044a44da362de3904"` [INFO] [stderr] Compiling panic-itm v0.4.1 (/opt/crater/workdir) [INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`. [INFO] [stderr] --> src/lib.rs:45:1 [INFO] [stderr] | [INFO] [stderr] 45 | / fn panic(info: &PanicInfo) -> ! { [INFO] [stderr] 46 | | interrupt::disable(); [INFO] [stderr] 47 | | [INFO] [stderr] 48 | | let itm = unsafe { &mut *ITM::ptr() }; [INFO] [stderr] ... | [INFO] [stderr] 57 | | } [INFO] [stderr] 58 | | } [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 `panic-itm`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "8c2693c800ae2b4494337fb6781a500d9b851a170b62884044a44da362de3904"` [INFO] running `"docker" "rm" "-f" "8c2693c800ae2b4494337fb6781a500d9b851a170b62884044a44da362de3904"` [INFO] [stdout] 8c2693c800ae2b4494337fb6781a500d9b851a170b62884044a44da362de3904