[INFO] updating cached repository jslone/crust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jslone/crust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jslone/crust" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jslone/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jslone/crust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jslone/crust" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jslone/crust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jslone/crust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dff9c6ac29b0881eef561258fdfd24a952012aae
[INFO] sha for GitHub repo jslone/crust: dff9c6ac29b0881eef561258fdfd24a952012aae
[INFO] validating manifest of jslone/crust on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jslone/crust on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jslone/crust
[INFO] removed path dependency libc from jslone/crust
[INFO] finished frobbing jslone/crust
[INFO] frobbed toml for jslone/crust written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jslone/crust/Cargo.toml
[INFO] started frobbing jslone/crust
[INFO] removed path dependency libc from jslone/crust
[INFO] finished frobbing jslone/crust
[INFO] frobbed toml for jslone/crust written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jslone/crust/Cargo.toml
[INFO] crate jslone/crust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jslone/crust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jslone/crust against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-5/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jslone/crust:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a0d6f150a5bb74f6f80ed756d20c3d2c7dda249584de8c9040466904e1b1cc6a
[INFO] running `"docker" "start" "-a" "a0d6f150a5bb74f6f80ed756d20c3d2c7dda249584de8c9040466904e1b1cc6a"`
[INFO] [stderr]    Compiling rust-libcore v0.0.3
[INFO] [stderr] error: failed to run custom build command for `rust-libcore v0.0.3`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rust-libcore-e9bf8813a1d09a04/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Box<Any>', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b4e62b8ea3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h805294fd9a8a1853
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55b4e62b465b - std::sys_common::backtrace::_print::h563674885828f2f5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55b4e62b7d36 - std::panicking::default_hook::{{closure}}::ha80a0fc374ac4513
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55b4e62b7ac9 - std::panicking::default_hook::h22bb6d1b97092339
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55b4e62b838f - std::panicking::rust_panic_with_hook::hb430545a95762309
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55b4e62aaa9a - std::panicking::begin_panic::h1f35a53e0a84865c
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/panicking.rs:408
[INFO] [stderr]    6:     0x55b4e629fcd8 - build_script_build::main::h6238d9ea5a21f99a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43
[INFO] [stderr]    7:     0x55b4e62a03cf - std::rt::lang_start::{{closure}}::h57edbcaa21b9a3a5
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]    8:     0x55b4e62b7de2 - std::panicking::try::do_call::h1f09ded7f50c84d3
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]    9:     0x55b4e62bef49 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   10:     0x55b4e62b889c - std::rt::lang_start_internal::hf27f440d51809051
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   11:     0x55b4e62a03a8 - std::rt::lang_start::h4779c029e4f25914
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55b4e62a0349 - main
[INFO] [stderr]   13:     0x7f66bccb32e0 - __libc_start_main
[INFO] [stderr]   14:     0x55b4e6295a39 - _start
[INFO] [stderr]   15:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "a0d6f150a5bb74f6f80ed756d20c3d2c7dda249584de8c9040466904e1b1cc6a"`
[INFO] running `"docker" "rm" "-f" "a0d6f150a5bb74f6f80ed756d20c3d2c7dda249584de8c9040466904e1b1cc6a"`
[INFO] [stdout] a0d6f150a5bb74f6f80ed756d20c3d2c7dda249584de8c9040466904e1b1cc6a