[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#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087 [INFO] extracting crate core_rustc-serialize 0.3.20-v0.3.19patch1 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 on toolchain f88e9a4452e792c29632101b348a1df9876d45cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "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-14/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f88e9a4452e792c29632101b348a1df9876d45cd" "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] 12efc2ec7d4eb73c05f4d0df896ebbe377c993eaa04d0b5d33c2748e37cc7e88 [INFO] running `"docker" "start" "-a" "12efc2ec7d4eb73c05f4d0df896ebbe377c993eaa04d0b5d33c2748e37cc7e88"` [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-fd31ba9c6e9f3f4c/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: 0x5647291cf0d4 - backtrace::backtrace::libunwind::trace::h38165ce57912732f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5647291cf0d4 - backtrace::backtrace::trace_unsynchronized::hd57d5ffed9185e53 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5647291cf0d4 - std::sys_common::backtrace::_print_fmt::hbff8e3b3fa287914 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5647291cf0d4 - ::fmt::h55dc3ba90a10b9b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5647291ec4ec - core::fmt::write::h3733b8e43227b83a [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x5647291cc913 - std::io::Write::write_fmt::h849647cdb56488ce [INFO] [stderr] at src/libstd/io/mod.rs:1427 [INFO] [stderr] 6: 0x5647291d16d5 - std::sys_common::backtrace::_print::hb55551afabbfdb0c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5647291d16d5 - std::sys_common::backtrace::print::h8cdfee4c43ff1d8d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5647291d16d5 - std::panicking::default_hook::{{closure}}::h27054589509be60a [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5647291d1422 - std::panicking::default_hook::h604fae1e8c9c8119 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5647291d1ce2 - std::panicking::rust_panic_with_hook::h431484e1a8c1ccb3 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x5647291d18cb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x5647291eb861 - core::panicking::panic_fmt::h510f2b9967da4a22 [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x5647291eb5f3 - core::option::expect_failed::hb701b59b0c7e6de8 [INFO] [stderr] at src/libcore/option.rs:1203 [INFO] [stderr] 14: 0x5647291a82cd - core::option::Option::expect::h6824e6d532dc598b [INFO] [stderr] at /rustc/f88e9a4452e792c29632101b348a1df9876d45cd/src/libcore/option.rs:347 [INFO] [stderr] 15: 0x5647291a6714 - build_script_build::main::h1f61671c0e48215d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_collections-0.3.20170409/build.rs:48 [INFO] [stderr] 16: 0x5647291a855b - std::rt::lang_start::{{closure}}::h9a84117aa54baf41 [INFO] [stderr] at /rustc/f88e9a4452e792c29632101b348a1df9876d45cd/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5647291d21af - std::rt::lang_start_internal::{{closure}}::h649a6d1a49a22764 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5647291d21af - std::panicking::try::do_call::haf016ad10a1f4de3 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5647291d21af - std::panicking::try::hac4cc9614e51697b [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x5647291d21af - std::panic::catch_unwind::h4e22eb63aa7f2e12 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5647291d21af - std::rt::lang_start_internal::hbbe8ba95095217ea [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x5647291a8537 - std::rt::lang_start::h8bef3868e3dc96a8 [INFO] [stderr] at /rustc/f88e9a4452e792c29632101b348a1df9876d45cd/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x5647291a6f1a - main [INFO] [stderr] 24: 0x7fe62915bb97 - __libc_start_main [INFO] [stderr] 25: 0x5647291a059a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "12efc2ec7d4eb73c05f4d0df896ebbe377c993eaa04d0b5d33c2748e37cc7e88"` [INFO] running `"docker" "rm" "-f" "12efc2ec7d4eb73c05f4d0df896ebbe377c993eaa04d0b5d33c2748e37cc7e88"` [INFO] [stdout] 12efc2ec7d4eb73c05f4d0df896ebbe377c993eaa04d0b5d33c2748e37cc7e88