[INFO] fetching crate core_collections 0.3.20170409... [INFO] checking core_collections-0.3.20170409 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104 [INFO] extracting crate core_collections 0.3.20170409 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate core_collections 0.3.20170409 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c76c382da9989060ea26c60f4528c6b6db4bd9493dd3d4a6a6200f9ec716b6ed [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" "c76c382da9989060ea26c60f4528c6b6db4bd9493dd3d4a6a6200f9ec716b6ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c76c382da9989060ea26c60f4528c6b6db4bd9493dd3d4a6a6200f9ec716b6ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c76c382da9989060ea26c60f4528c6b6db4bd9493dd3d4a6a6200f9ec716b6ed", kill_on_drop: false }` [INFO] [stdout] c76c382da9989060ea26c60f4528c6b6db4bd9493dd3d4a6a6200f9ec716b6ed [INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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] 9391eb1d5486a67f86a7865727d17a507bdc04299f4120f0698fa6ea27520f6b [INFO] running `Command { std: "docker" "start" "-a" "9391eb1d5486a67f86a7865727d17a507bdc04299f4120f0698fa6ea27520f6b", 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-d5da15111f63b368/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: 0x55e5136df0b0 - std::backtrace_rs::backtrace::libunwind::trace::h14e81b0c16b543a7 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55e5136df0b0 - std::backtrace_rs::backtrace::trace_unsynchronized::hc9e39e172835ff32 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55e5136df0b0 - std::sys_common::backtrace::_print_fmt::h31994df1c8c77b8f [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55e5136df0b0 - ::fmt::he74e98acff43ec99 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55e5136fbecc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x55e5136dc907 - std::io::Write::write_fmt::hea6289e6649ff508 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/io/mod.rs:1517 [INFO] [stderr] 6: 0x55e5136e11e0 - std::sys_common::backtrace::_print::h8cc65937fea24014 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55e5136e11e0 - std::sys_common::backtrace::print::hff6a0ebb96535e34 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55e5136e11e0 - std::panicking::default_hook::{{closure}}::h71b9700c5dda1b1d [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x55e5136e0f2c - std::panicking::default_hook::h0c46e634c06c69b6 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x55e5136e1843 - std::panicking::rust_panic_with_hook::he52576a0c2093334 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x55e5136e1419 - std::panicking::begin_panic_handler::{{closure}}::h411c800b810762b2 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x55e5136df53c - std::sys_common::backtrace::__rust_end_short_backtrace::ha657a272019e6aad [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55e5136e13d9 - rust_begin_unwind [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x55e5136fb1f1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x55e5136faf83 - core::option::expect_failed::h6bc6a05976f4cb88 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/option.rs:1213 [INFO] [stderr] 16: 0x55e5136ad8ac - core::option::Option::expect::ha8000642675b1718 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/option.rs:333 [INFO] [stderr] 17: 0x55e5136ac1b0 - build_script_build::main::h864f12b6c15906d2 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:48 [INFO] [stderr] 18: 0x55e5136afe5b - core::ops::function::FnOnce::call_once::h3c53054f8a23c5d4 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x55e5136ada5e - std::sys_common::backtrace::__rust_begin_short_backtrace::h14928e8e406b2c04 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x55e5136afc31 - std::rt::lang_start::{{closure}}::hb28b8226147fad7c [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x55e5136e1c41 - core::ops::function::impls:: for &F>::call_once::h009d20b8a620bf60 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x55e5136e1c41 - std::panicking::try::do_call::h09431c39e2107c90 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x55e5136e1c41 - std::panicking::try::he27cf60b958af343 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x55e5136e1c41 - std::panic::catch_unwind::h7b646b0041dc5591 [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x55e5136e1c41 - std::rt::lang_start_internal::hdad6c98af1e4747e [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x55e5136afc07 - std::rt::lang_start::haec76e868f7d9d3f [INFO] [stderr] at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x55e5136ac9da - main [INFO] [stderr] 28: 0x7fc1796cd0b3 - __libc_start_main [INFO] [stderr] 29: 0x55e5136a60ae - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "9391eb1d5486a67f86a7865727d17a507bdc04299f4120f0698fa6ea27520f6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9391eb1d5486a67f86a7865727d17a507bdc04299f4120f0698fa6ea27520f6b", kill_on_drop: false }` [INFO] [stdout] 9391eb1d5486a67f86a7865727d17a507bdc04299f4120f0698fa6ea27520f6b