Nov 18 16:46:29.103 INFO testing crushtool-0.3.10 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 16:46:29.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 18 16:46:29.711 INFO [stdout] ed1619af64cc8b52200a96977ff650801cb2d0ece4e06628f90bf0ee78ca5f55
Nov 18 16:46:29.715 INFO running `"docker" "start" "-a" "ed1619af64cc8b52200a96977ff650801cb2d0ece4e06628f90bf0ee78ca5f55"`
Nov 18 16:46:30.787 INFO [stderr] usermod: no changes
Nov 18 16:46:30.995 INFO [stderr]    Compiling uuid v0.4.0
Nov 18 16:46:30.995 INFO [stderr]    Compiling clap v2.14.1
Nov 18 16:46:46.373 INFO [stderr]    Compiling crushtool v0.3.10 (/source)
Nov 18 16:46:49.187 INFO [stderr] warning: variable does not need to be mutable
Nov 18 16:46:49.187 INFO [stderr]    --> src/lib.rs:451:13
Nov 18 16:46:49.187 INFO [stderr]     |
Nov 18 16:46:49.188 INFO [stderr] 451 |         let mut crushmap = CrushMap::default();
Nov 18 16:46:49.188 INFO [stderr]     |             ----^^^^^^^^
Nov 18 16:46:49.188 INFO [stderr]     |             |
Nov 18 16:46:49.188 INFO [stderr]     |             help: remove this `mut`
Nov 18 16:46:49.188 INFO [stderr]     |
Nov 18 16:46:49.188 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 16:46:49.188 INFO [stderr] 
Nov 18 16:46:50.507 INFO [stderr] rustc: /checkout/src/llvm/lib/IR/Type.cpp:241: static llvm::IntegerType *llvm::IntegerType::get(llvm::LLVMContext &, unsigned int): Assertion `NumBits >= MIN_INT_BITS && "bitwidth too small"' failed.
Nov 18 16:46:50.534 INFO [stderr] error: Could not compile `crushtool`.
Nov 18 16:46:50.534 INFO [stderr] 
Nov 18 16:46:50.534 INFO [stderr] Caused by:
Nov 18 16:46:50.534 INFO [stderr]   process didn't exit successfully: `rustc --crate-name crushtool src/lib.rs --color never --crate-type lib --emit=dep-info,link -C debuginfo=2 -C metadata=c0199578da8f249e -C extra-filename=-c0199578da8f249e --out-dir /target/debug/deps -L dependency=/target/debug/deps --extern byteorder=/target/debug/deps/libbyteorder-4d7054f014207c48.rlib --extern clap=/target/debug/deps/libclap-d90cac692dce308d.rlib --extern enum_primitive=/target/debug/deps/libenum_primitive-2c157415378165cf.rlib --extern log=/target/debug/deps/liblog-f9fcc0fef53cd37b.rlib --extern nom=/target/debug/deps/libnom-64e9bc55e8a351e2.rlib --extern num=/target/debug/deps/libnum-155818d99a5cdb60.rlib --extern rustc_serialize=/target/debug/deps/librustc_serialize-07b75066ef6e7ca6.rlib --extern uuid=/target/debug/deps/libuuid-fd89b4ecd8ae6411.rlib --cap-lints=forbid` (signal: 6, SIGABRT: process abort signal)
Nov 18 16:46:50.543 INFO [stderr] su: No module specific data is present
Nov 18 16:46:51.715 INFO running `"docker" "inspect" "ed1619af64cc8b52200a96977ff650801cb2d0ece4e06628f90bf0ee78ca5f55"`
Nov 18 16:46:52.062 INFO running `"docker" "rm" "-f" "ed1619af64cc8b52200a96977ff650801cb2d0ece4e06628f90bf0ee78ca5f55"`
Nov 18 16:46:52.425 INFO [stdout] ed1619af64cc8b52200a96977ff650801cb2d0ece4e06628f90bf0ee78ca5f55