[INFO] crate bincode-no-std 1.0.0 is already in cache [INFO] extracting crate bincode-no-std 1.0.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/bincode-no-std/1.0.0 [INFO] extracting crate bincode-no-std 1.0.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/bincode-no-std/1.0.0 [INFO] validating manifest of bincode-no-std-1.0.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of bincode-no-std-1.0.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing bincode-no-std-1.0.0 [INFO] finished frobbing bincode-no-std-1.0.0 [INFO] frobbed toml for bincode-no-std-1.0.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/bincode-no-std/1.0.0/Cargo.toml [INFO] started frobbing bincode-no-std-1.0.0 [INFO] finished frobbing bincode-no-std-1.0.0 [INFO] frobbed toml for bincode-no-std-1.0.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/bincode-no-std/1.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking bincode-no-std-1.0.0 against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/bincode-no-std/1.0.0:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 27bf1ff9c748fbd8263efc78956087dc17d687258f7537b20db748e364bb4328 [INFO] running `"docker" "start" "-a" "27bf1ff9c748fbd8263efc78956087dc17d687258f7537b20db748e364bb4328"` [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling core_io v0.1.20190701 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] error: failed to run custom build command for `core_io v0.1.20190701` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/core_io-155d4a0e358b270b/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_io?', src/libcore/option.rs:1166:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x561f86a157ab - backtrace::backtrace::libunwind::trace::h223ecf9e25ea61ed [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x561f86a157ab - backtrace::backtrace::trace_unsynchronized::h19c402a6233e597e [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x561f86a157ab - std::sys_common::backtrace::_print::h14947081e8315ba5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x561f86a157ab - std::sys_common::backtrace::print::h87cad3f0b50b59c5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x561f86a157ab - std::panicking::default_hook::{{closure}}::h497a714df189bd9d [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x561f86a15486 - std::panicking::default_hook::h8dc4a117b759bd96 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x561f86a15e6d - std::panicking::rust_panic_with_hook::h4cbf0f096b75f262 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x561f86a159f2 - std::panicking::continue_panic_fmt::hbfbfc57925685348 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x561f86a158d6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x561f86a2e81d - core::panicking::panic_fmt::h011c5c8794bf0cc5 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x561f86a2e887 - core::option::expect_failed::hbe3520226fd88260 [INFO] [stderr] at src/libcore/option.rs:1166 [INFO] [stderr] 11: 0x561f869e856a - core::option::Option::expect::h242262570883b7ac [INFO] [stderr] at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libcore/option.rs:345 [INFO] [stderr] 12: 0x561f869e335b - build_script_build::main::h4062b9602d881c03 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_io-0.1.20190701/build.rs:73 [INFO] [stderr] 13: 0x561f869e8ef0 - std::rt::lang_start::{{closure}}::h755176792e2c395e [INFO] [stderr] at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x561f86a158c3 - std::rt::lang_start_internal::{{closure}}::hb2a68345cd4d50f8 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x561f86a158c3 - std::panicking::try::do_call::ha4d88255f4a68d08 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x561f86a1beaa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x561f86a1637d - std::panicking::try::h6debac9988c5415d [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x561f86a1637d - std::panic::catch_unwind::h4659dbf6316a9c8d [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x561f86a1637d - std::rt::lang_start_internal::hdadab8536edf34fe [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x561f869e8ec9 - std::rt::lang_start::ha79b675ae90f83cb [INFO] [stderr] at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x561f869e3eca - main [INFO] [stderr] 22: 0x7fd8f59d82e1 - __libc_start_main [INFO] [stderr] 23: 0x561f869e0d1a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "27bf1ff9c748fbd8263efc78956087dc17d687258f7537b20db748e364bb4328"` [INFO] running `"docker" "rm" "-f" "27bf1ff9c748fbd8263efc78956087dc17d687258f7537b20db748e364bb4328"` [INFO] [stdout] 27bf1ff9c748fbd8263efc78956087dc17d687258f7537b20db748e364bb4328