[INFO] crate core_io 0.1.20190701 is already in cache [INFO] checking core_io-0.1.20190701 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325 [INFO] extracting crate core_io 0.1.20190701 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate core_io 0.1.20190701 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd [INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate core_io 0.1.20190701 [INFO] finished tweaking crates.io crate core_io 0.1.20190701 [INFO] tweaked toml for crates.io crate core_io 0.1.20190701 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 44bc6473e20ab720546ad8b1d0b430fea8696cadb5611ac04489b594d15af85d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "44bc6473e20ab720546ad8b1d0b430fea8696cadb5611ac04489b594d15af85d"` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling core_io v0.1.20190701 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `core_io v0.1.20190701 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/core_io-4a426621856ea6ee/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_io?', build.rs:73:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5570de5127d4 - backtrace::backtrace::libunwind::trace::hfbeb01b07def3f05 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5570de5127d4 - backtrace::backtrace::trace_unsynchronized::h45f2e41cc54dcd88 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5570de5127d4 - std::sys_common::backtrace::_print_fmt::hf5722840fcbb1187 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x5570de5127d4 - ::fmt::ha9e99845bfb0ebce [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5570de52db7c - core::fmt::write::hc529a780634bfe15 [INFO] [stderr] at src/libcore/fmt/mod.rs:1052 [INFO] [stderr] 5: 0x5570de510077 - std::io::Write::write_fmt::hd171fdefd1d3df69 [INFO] [stderr] at src/libstd/io/mod.rs:1426 [INFO] [stderr] 6: 0x5570de514855 - std::sys_common::backtrace::_print::h8a5740dde9a43cd0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5570de514855 - std::sys_common::backtrace::print::h5436dddfead7eae5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5570de514855 - std::panicking::default_hook::{{closure}}::h3cc0af59c5ca4cc4 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x5570de514541 - std::panicking::default_hook::hf6b2894115daa715 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x5570de514e0a - std::panicking::rust_panic_with_hook::h5bd6ca89052faee2 [INFO] [stderr] at src/libstd/panicking.rs:472 [INFO] [stderr] 11: 0x5570de5149f0 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x5570de52d041 - core::panicking::panic_fmt::h04dc8ee033acc967 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5570de52cdd3 - core::option::expect_failed::h1febba08943d7d18 [INFO] [stderr] at src/libcore/option.rs:1191 [INFO] [stderr] 14: 0x5570de4eadd5 - core::option::Option::expect::h26f0a29a3b0868bd [INFO] [stderr] at /rustc/a243773eaf3fedcd203f10ae4579e4f106bf7ccd/src/libcore/option.rs:347 [INFO] [stderr] 15: 0x5570de4e6e6a - build_script_build::main::h8162e174262a0b96 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:73 [INFO] [stderr] 16: 0x5570de4ecf60 - std::rt::lang_start::{{closure}}::hdc92e1014b56a523 [INFO] [stderr] at /rustc/a243773eaf3fedcd203f10ae4579e4f106bf7ccd/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5570de514923 - std::rt::lang_start_internal::{{closure}}::h1290f4aaa12eba49 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5570de514923 - std::panicking::try::do_call::h67a25163f365bfb5 [INFO] [stderr] at src/libstd/panicking.rs:305 [INFO] [stderr] 19: 0x5570de51ab97 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 20: 0x5570de5152b0 - std::panicking::try::h45cfcab1f9dbff97 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 21: 0x5570de5152b0 - std::panic::catch_unwind::hcc46ddf27ba0ee14 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5570de5152b0 - std::rt::lang_start_internal::hf64f629cd7f49f66 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x5570de4ecf39 - std::rt::lang_start::h1dff0caaf9c370b4 [INFO] [stderr] at /rustc/a243773eaf3fedcd203f10ae4579e4f106bf7ccd/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x5570de4e7a3a - main [INFO] [stderr] 25: 0x7fe8685a8b97 - __libc_start_main [INFO] [stderr] 26: 0x5570de4e47fa - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "44bc6473e20ab720546ad8b1d0b430fea8696cadb5611ac04489b594d15af85d"` [INFO] running `"docker" "rm" "-f" "44bc6473e20ab720546ad8b1d0b430fea8696cadb5611ac04489b594d15af85d"` [INFO] [stdout] 44bc6473e20ab720546ad8b1d0b430fea8696cadb5611ac04489b594d15af85d