[INFO] crate core_collections 0.3.20170409 is already in cache [INFO] checking core_collections-0.3.20170409 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] extracting crate core_collections 0.3.20170409 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate core_collections 0.3.20170409 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate core_collections 0.3.20170409 [INFO] finished tweaking crates.io crate core_collections 0.3.20170409 [INFO] tweaked toml for crates.io crate core_collections 0.3.20170409 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] bb642bba2ff6275d124d085ca3f001a745bfd117d43d6a90244393080c051e34 [INFO] running `"docker" "start" "-a" "bb642bba2ff6275d124d085ca3f001a745bfd117d43d6a90244393080c051e34"` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling core_collections v0.3.20170409 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `core_collections v0.3.20170409 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/core_collections-f30dea796f6d6802/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_collections?', build.rs:48:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55bf3b136c34 - backtrace::backtrace::libunwind::trace::h6f1fdce296b4568c [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55bf3b136c34 - backtrace::backtrace::trace_unsynchronized::h0824f4cb76b782a8 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55bf3b136c34 - std::sys_common::backtrace::_print_fmt::hc9ad027a2ec1d486 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55bf3b136c34 - ::fmt::hc92f9fae3f41d466 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55bf3b1594fc - core::fmt::write::h6e3f1a0635b4e386 [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55bf3b1343e3 - std::io::Write::write_fmt::he392f419b7f87fef [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55bf3b1391f5 - std::sys_common::backtrace::_print::hf2161343b596ab76 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55bf3b1391f5 - std::sys_common::backtrace::print::hcbfa657355778d58 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55bf3b1391f5 - std::panicking::default_hook::{{closure}}::he53abf341150e4be [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55bf3b138f32 - std::panicking::default_hook::hbca798dce458d477 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55bf3b139802 - std::panicking::rust_panic_with_hook::h8cc81269affb1635 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55bf3b1393eb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x55bf3b1588e1 - core::panicking::panic_fmt::h6d3e657898a3f448 [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x55bf3b158673 - core::option::expect_failed::h34c62241c478ec19 [INFO] [stderr] at src/libcore/option.rs:1260 [INFO] [stderr] 14: 0x55bf3b10e20d - core::option::Option::expect::h6e042e5088a365f4 [INFO] [stderr] at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libcore/option.rs:347 [INFO] [stderr] 15: 0x55bf3b10beb4 - build_script_build::main::h1821075ca1d9f7b5 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:48 [INFO] [stderr] 16: 0x55bf3b10e64b - std::rt::lang_start::{{closure}}::hd7336e7e2e72dbbe [INFO] [stderr] at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55bf3b139c48 - std::rt::lang_start_internal::{{closure}}::h1e37a448ebe88799 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55bf3b139c48 - std::panicking::try::do_call::h0e616054d2c64056 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x55bf3b139c48 - std::panicking::try::h1265f7ff6bd115c4 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x55bf3b139c48 - std::panic::catch_unwind::h3aec84c4d67bf08d [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55bf3b139c48 - std::rt::lang_start_internal::h71f12b7d78e58cce [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55bf3b10e627 - std::rt::lang_start::h4e9cd875f84b09c4 [INFO] [stderr] at /rustc/e4dba30b9b475d8750370c4dfb49b6541990904d/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55bf3b10c6ca - main [INFO] [stderr] 24: 0x7fccf755ab97 - __libc_start_main [INFO] [stderr] 25: 0x55bf3b105d3a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "bb642bba2ff6275d124d085ca3f001a745bfd117d43d6a90244393080c051e34"` [INFO] running `"docker" "rm" "-f" "bb642bba2ff6275d124d085ca3f001a745bfd117d43d6a90244393080c051e34"` [INFO] [stdout] bb642bba2ff6275d124d085ca3f001a745bfd117d43d6a90244393080c051e34