[INFO] fetching crate core_collections 0.3.20170409... [INFO] checking core_collections-0.3.20170409 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] extracting crate core_collections 0.3.20170409 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate core_collections 0.3.20170409 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 671ce6e9d25f98489f8b222ee1c3e6de5c6cb05e655e9e02cf1cc141c3e090fc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "671ce6e9d25f98489f8b222ee1c3e6de5c6cb05e655e9e02cf1cc141c3e090fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "671ce6e9d25f98489f8b222ee1c3e6de5c6cb05e655e9e02cf1cc141c3e090fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "671ce6e9d25f98489f8b222ee1c3e6de5c6cb05e655e9e02cf1cc141c3e090fc", kill_on_drop: false }` [INFO] [stdout] 671ce6e9d25f98489f8b222ee1c3e6de5c6cb05e655e9e02cf1cc141c3e090fc [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c0fed80009fbb90ec5a9eb7b29136cfed82d74198f5882f77b2ab0a0f98b8954 [INFO] running `Command { std: "docker" "start" "-a" "c0fed80009fbb90ec5a9eb7b29136cfed82d74198f5882f77b2ab0a0f98b8954", kill_on_drop: false }` [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-005c3f6e972799c3/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_collections?', build.rs:48:69 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55915a0ecf00 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55915a0ecf00 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55915a0ecf00 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55915a0ecf00 - ::fmt::hc132ae1a5b5aa7cd [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55915a10a73c - core::fmt::write::hdf023a0036d2a25f [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55915a0ea382 - std::io::Write::write_fmt::h8580846154bcb66a [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55915a0eec55 - std::sys_common::backtrace::_print::h7ee55fed88d107a3 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55915a0eec55 - std::sys_common::backtrace::print::h54a7d3e52a524177 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55915a0eec55 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55915a0ee7aa - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55915a0ef3f1 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55915a0eef37 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55915a0ed3bc - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55915a0eee99 - rust_begin_unwind [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55915a109b11 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55915a1098a3 - core::option::expect_failed::h8be1ca96ca0d69ca [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/option.rs:1260:5 [INFO] [stderr] 16: 0x55915a0baf01 - core::option::Option::expect::h6eb4a2b7f2c2852b [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/option.rs:349:21 [INFO] [stderr] 17: 0x55915a0b90b2 - build_script_build::main::hffc6d603a6ea7604 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:48:4 [INFO] [stderr] 18: 0x55915a0bd40b - core::ops::function::FnOnce::call_once::hb1bf38e3f5c33005 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55915a0badfe - std::sys_common::backtrace::__rust_begin_short_backtrace::h1c20dd1fe40aafd1 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55915a0bd1b1 - std::rt::lang_start::{{closure}}::h1ad8a8b2fd26ba38 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55915a0ef817 - core::ops::function::impls:: for &F>::call_once::h54c39b9b8451875a [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55915a0ef817 - std::panicking::try::do_call::hcdfba51a06e21b42 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55915a0ef817 - std::panicking::try::hb36953ccd24f930d [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55915a0ef817 - std::panic::catch_unwind::hbb374cd03beb3824 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55915a0ef817 - std::rt::lang_start_internal::h97dca9624db2aa85 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55915a0bd187 - std::rt::lang_start::h005dfe7f85113030 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55915a0b999a - main [INFO] [stderr] 28: 0x7fe6f9a940b3 - __libc_start_main [INFO] [stderr] 29: 0x55915a0b30ae - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "c0fed80009fbb90ec5a9eb7b29136cfed82d74198f5882f77b2ab0a0f98b8954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0fed80009fbb90ec5a9eb7b29136cfed82d74198f5882f77b2ab0a0f98b8954", kill_on_drop: false }` [INFO] [stdout] c0fed80009fbb90ec5a9eb7b29136cfed82d74198f5882f77b2ab0a0f98b8954