Nov 18 16:46:29.259 INFO testing crushtool-0.3.10 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 16:46:29.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 16:46:29.759 INFO [stdout] b320ffb7223e7e4fd47177743c8314f71a19206ed0a6161ced2345846b26039f
Nov 18 16:46:29.762 INFO running `"docker" "start" "-a" "b320ffb7223e7e4fd47177743c8314f71a19206ed0a6161ced2345846b26039f"`
Nov 18 16:46:30.831 INFO [stderr] usermod: no changes
Nov 18 16:46:31.023 INFO [stderr]    Compiling uuid v0.4.0
Nov 18 16:46:31.027 INFO [stderr]    Compiling clap v2.14.1
Nov 18 16:46:46.395 INFO [stderr]    Compiling crushtool v0.3.10 (/source)
Nov 18 16:46:49.183 INFO [stderr] warning: variable does not need to be mutable
Nov 18 16:46:49.183 INFO [stderr]    --> src/lib.rs:451:13
Nov 18 16:46:49.184 INFO [stderr]     |
Nov 18 16:46:49.184 INFO [stderr] 451 |         let mut crushmap = CrushMap::default();
Nov 18 16:46:49.184 INFO [stderr]     |             ----^^^^^^^^
Nov 18 16:46:49.184 INFO [stderr]     |             |
Nov 18 16:46:49.185 INFO [stderr]     |             help: remove this `mut`
Nov 18 16:46:49.185 INFO [stderr]     |
Nov 18 16:46:49.185 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 16:46:49.185 INFO [stderr] 
Nov 18 16:46:50.399 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 16:46:50.471 INFO [stderr] error: Could not compile `crushtool`.
Nov 18 16:46:50.471 INFO [stderr] 
Nov 18 16:46:50.471 INFO [stderr] Caused by:
Nov 18 16:46:50.471 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=352238c8725d6399 -C extra-filename=-352238c8725d6399 --out-dir /target/debug/deps -L dependency=/target/debug/deps --extern byteorder=/target/debug/deps/libbyteorder-2c23eea09d2ad67e.rlib --extern clap=/target/debug/deps/libclap-3626ff540a8b9b63.rlib --extern enum_primitive=/target/debug/deps/libenum_primitive-303d7f699cdbce9d.rlib --extern log=/target/debug/deps/liblog-f804b4f2c8d626c2.rlib --extern nom=/target/debug/deps/libnom-f05919e98611020b.rlib --extern num=/target/debug/deps/libnum-b34430ccc4fb48dc.rlib --extern rustc_serialize=/target/debug/deps/librustc_serialize-3b413c0759e88ab2.rlib --extern uuid=/target/debug/deps/libuuid-30dd62dcd9769a17.rlib --cap-lints=forbid` (signal: 6, SIGABRT: process abort signal)
Nov 18 16:46:50.475 INFO [stderr] su: No module specific data is present
Nov 18 16:46:51.695 INFO running `"docker" "inspect" "b320ffb7223e7e4fd47177743c8314f71a19206ed0a6161ced2345846b26039f"`
Nov 18 16:46:52.189 INFO running `"docker" "rm" "-f" "b320ffb7223e7e4fd47177743c8314f71a19206ed0a6161ced2345846b26039f"`
Nov 18 16:46:52.529 INFO [stdout] b320ffb7223e7e4fd47177743c8314f71a19206ed0a6161ced2345846b26039f