[INFO] crate panic-semihosting 0.5.3 is already in cache
[INFO] testing panic-semihosting-0.5.3 against 1.38.0 for beta-1.39-1
[INFO] extracting crate panic-semihosting 0.5.3 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate panic-semihosting 0.5.3 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate panic-semihosting 0.5.3
[INFO] finished tweaking crates.io crate panic-semihosting 0.5.3
[INFO] tweaked toml for crates.io crate panic-semihosting 0.5.3 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 6a9614dcf3fe72c84a42165a35eac3ac46f6696208ada1557c17520449988c87
[INFO] running `"docker" "start" "-a" "6a9614dcf3fe72c84a42165a35eac3ac46f6696208ada1557c17520449988c87"`
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling aligned v0.3.1
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling panic-semihosting v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "6a9614dcf3fe72c84a42165a35eac3ac46f6696208ada1557c17520449988c87"`
[INFO] running `"docker" "rm" "-f" "6a9614dcf3fe72c84a42165a35eac3ac46f6696208ada1557c17520449988c87"`
[INFO] [stdout] 6a9614dcf3fe72c84a42165a35eac3ac46f6696208ada1557c17520449988c87
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b67a3adf584a391df1f15f7a3ed025334da99a40433fe62529a7b6b12070a8aa
[INFO] running `"docker" "start" "-a" "b67a3adf584a391df1f15f7a3ed025334da99a40433fe62529a7b6b12070a8aa"`
[INFO] [stderr]    Compiling panic-semihosting v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
[INFO] [stderr]   --> src/lib.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stderr] 78 | |     interrupt::disable();
[INFO] [stderr] 79 | |
[INFO] [stderr] 80 | |     if let Ok(mut hstdout) = hio::hstdout() {
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | |     loop {}
[INFO] [stderr] 95 | | }
[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-semihosting`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b67a3adf584a391df1f15f7a3ed025334da99a40433fe62529a7b6b12070a8aa"`
[INFO] running `"docker" "rm" "-f" "b67a3adf584a391df1f15f7a3ed025334da99a40433fe62529a7b6b12070a8aa"`
[INFO] [stdout] b67a3adf584a391df1f15f7a3ed025334da99a40433fe62529a7b6b12070a8aa