[INFO] crate core_rustc-serialize 0.3.20-v0.3.19patch1 is already in cache [INFO] checking core_rustc-serialize-0.3.20-v0.3.19patch1 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530 [INFO] extracting crate core_rustc-serialize 0.3.20-v0.3.19patch1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 [INFO] finished tweaking crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 [INFO] tweaked toml for crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b6a6956014468c640693885cb4f6b343325770058a69b7f27e16293e4249bc64 [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" "b6a6956014468c640693885cb4f6b343325770058a69b7f27e16293e4249bc64"` [INFO] [stderr] Compiling core_collections v0.3.20170409 [INFO] [stderr] error: failed to run custom build command for `core_collections v0.3.20170409` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/core_collections-16bda9514e4e095d/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_collections?', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_collections-0.3.20170409/build.rs:48:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557b07a7cbb4 - backtrace::backtrace::libunwind::trace::h4c42d7a28713e66c [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x557b07a7cbb4 - backtrace::backtrace::trace_unsynchronized::hea5bb01664ae4a3b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x557b07a7cbb4 - std::sys_common::backtrace::_print_fmt::h84e640c363e9906a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x557b07a7cbb4 - ::fmt::hcd6ef3b391ce8f42 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x557b07a9a1ac - core::fmt::write::h339351c8e5383b2b [INFO] [stderr] at src/libcore/fmt/mod.rs:1053 [INFO] [stderr] 5: 0x557b07a7a0d7 - std::io::Write::write_fmt::h9d839029d2da7e4b [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x557b07a7f045 - std::sys_common::backtrace::_print::h236df9224a3e0798 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x557b07a7f045 - std::sys_common::backtrace::print::hec3df07a76753185 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x557b07a7f045 - std::panicking::default_hook::{{closure}}::h42e034bee82e8964 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x557b07a7ed87 - std::panicking::default_hook::hca8e29f89a1fe45d [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x557b07a7f602 - std::panicking::rust_panic_with_hook::h7f4cdeab0774c3aa [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x557b07a7f1eb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:378 [INFO] [stderr] 12: 0x557b07a99521 - core::panicking::panic_fmt::h8f223f9707be3b3d [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x557b07a992b3 - core::option::expect_failed::h607744df5aee5856 [INFO] [stderr] at src/libcore/option.rs:1203 [INFO] [stderr] 14: 0x557b07a561bf - core::option::Option::expect::h52f69760991c9034 [INFO] [stderr] at /rustc/1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0/src/libcore/option.rs:347 [INFO] [stderr] 15: 0x557b07a546d4 - build_script_build::main::hb86d4580b5bf44c9 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_collections-0.3.20170409/build.rs:48 [INFO] [stderr] 16: 0x557b07a564eb - std::rt::lang_start::{{closure}}::hbcfd0af46923f49c [INFO] [stderr] at /rustc/1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x557b07a7f113 - std::rt::lang_start_internal::{{closure}}::h4be81bc73aab0ad7 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x557b07a7f113 - std::panicking::try::do_call::h939cc44d5708b5fd [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 19: 0x557b07a85697 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 20: 0x557b07a7faa9 - std::panicking::try::ha798276602052e14 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 21: 0x557b07a7faa9 - std::panic::catch_unwind::h65fa2b034e543427 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x557b07a7faa9 - std::rt::lang_start_internal::hfc215951a8372eea [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x557b07a564c7 - std::rt::lang_start::hee1fcc0d73a0707a [INFO] [stderr] at /rustc/1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x557b07a54eda - main [INFO] [stderr] 25: 0x7fb22e233b97 - __libc_start_main [INFO] [stderr] 26: 0x557b07a4e55a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "b6a6956014468c640693885cb4f6b343325770058a69b7f27e16293e4249bc64"` [INFO] running `"docker" "rm" "-f" "b6a6956014468c640693885cb4f6b343325770058a69b7f27e16293e4249bc64"` [INFO] [stdout] b6a6956014468c640693885cb4f6b343325770058a69b7f27e16293e4249bc64