[INFO] fetching crate core_rustc-serialize 0.3.20-v0.3.19patch1... [INFO] checking core_rustc-serialize-0.3.20-v0.3.19patch1 against try#4662032ab74cd44d423120d08d251dfead4914a0 for pr-72788 [INFO] extracting crate core_rustc-serialize 0.3.20-v0.3.19patch1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 on toolchain 4662032ab74cd44d423120d08d251dfead4914a0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "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-3/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded core_collections v0.3.20170409 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+4662032ab74cd44d423120d08d251dfead4914a0" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ebd31a5048f6fc6ae3ef65b4762d068f4cb327323c6926ba3994fc6a8a180af9 [INFO] running `"docker" "start" "-a" "ebd31a5048f6fc6ae3ef65b4762d068f4cb327323c6926ba3994fc6a8a180af9"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling rustc_version v0.1.7 [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-27cf860537a9c6d3/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: 0x55dd1f005a95 - backtrace::backtrace::libunwind::trace::h508d2c55eb856ef2 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55dd1f005a95 - backtrace::backtrace::trace_unsynchronized::h31c9d8a0097b92f8 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55dd1f005a95 - std::sys_common::backtrace::_print_fmt::h520f528c4c103a3f [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55dd1f005a95 - ::fmt::hf4dec5da8360bccb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55dd1f0273fc - core::fmt::write::hdf236390fbd68d3d [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55dd1f003253 - std::io::Write::write_fmt::hd33447f61d92a88a [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55dd1f007fc0 - std::sys_common::backtrace::_print::h856c809943c588ab [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55dd1f007fc0 - std::sys_common::backtrace::print::hc042b4237cc3648a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55dd1f007fc0 - std::panicking::default_hook::{{closure}}::h35997132c163f935 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55dd1f007d0c - std::panicking::default_hook::h8555bf398b0f1318 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55dd1f0085a7 - std::panicking::rust_panic_with_hook::h9b80e82887819c44 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x55dd1f0081ab - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 12: 0x55dd1f026801 - core::panicking::panic_fmt::hd101a87121fa411f [INFO] [stderr] at src/libcore/panicking.rs:101 [INFO] [stderr] 13: 0x55dd1f026593 - core::option::expect_failed::hfc3d552dc2a46896 [INFO] [stderr] at src/libcore/option.rs:1264 [INFO] [stderr] 14: 0x55dd1efdf841 - core::option::Option::expect::h7bdddc5d44a74e80 [INFO] [stderr] at /rustc/4662032ab74cd44d423120d08d251dfead4914a0/src/libcore/option.rs:349 [INFO] [stderr] 15: 0x55dd1efde24f - build_script_build::main::h7b864de111ca514f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_collections-0.3.20170409/build.rs:48 [INFO] [stderr] 16: 0x55dd1efe21ab - std::rt::lang_start::{{closure}}::hbab78062036382c0 [INFO] [stderr] at /rustc/4662032ab74cd44d423120d08d251dfead4914a0/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55dd1f008978 - std::rt::lang_start_internal::{{closure}}::h4c8bd631e3dc2cb9 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55dd1f008978 - std::panicking::try::do_call::h88ce8513ed0d613c [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 19: 0x55dd1f008978 - std::panicking::try::he181ad9c483671e2 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x55dd1f008978 - std::panic::catch_unwind::heb113c382f4c732f [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55dd1f008978 - std::rt::lang_start_internal::h807304d390ed60ab [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55dd1efe2187 - std::rt::lang_start::h9d1d42c73dcf4857 [INFO] [stderr] at /rustc/4662032ab74cd44d423120d08d251dfead4914a0/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55dd1efdea6a - main [INFO] [stderr] 24: 0x7f4b81a930b3 - __libc_start_main [INFO] [stderr] 25: 0x55dd1efd817e - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "ebd31a5048f6fc6ae3ef65b4762d068f4cb327323c6926ba3994fc6a8a180af9"` [INFO] running `"docker" "rm" "-f" "ebd31a5048f6fc6ae3ef65b4762d068f4cb327323c6926ba3994fc6a8a180af9"` [INFO] [stdout] ebd31a5048f6fc6ae3ef65b4762d068f4cb327323c6926ba3994fc6a8a180af9