Dec 17 12:42:45.597 INFO checking vakabus/rumipsem against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 12:42:45.597 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/vakabus/rumipsem:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:42:46.063 INFO [stdout] fddfdddc1108bc22e826f51320d3ba494d53d52aff40031cfd5a10cc24e97cb1
Dec 17 12:42:46.068 INFO running `"docker" "start" "-a" "fddfdddc1108bc22e826f51320d3ba494d53d52aff40031cfd5a10cc24e97cb1"`
Dec 17 12:42:47.727 INFO [stderr]     Checking scroll v0.7.0
Dec 17 12:42:47.727 INFO [stderr]     Checking plain v0.2.3
Dec 17 12:42:47.737 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 17 12:42:47.737 INFO [stderr]     Checking time v0.1.39
Dec 17 12:42:47.737 INFO [stderr]     Checking nix v0.11.0
Dec 17 12:42:47.737 INFO [stderr]     Checking num-integer v0.1.38
Dec 17 12:42:47.737 INFO [stderr]    Compiling scroll_derive v0.7.0
Dec 17 12:42:47.737 INFO [stderr]     Checking serde_json v1.0.19
Dec 17 12:42:51.312 INFO [stderr]     Checking chrono v0.4.3
Dec 17 12:42:53.712 INFO [stderr]     Checking flate2 v0.2.20
Dec 17 12:42:54.029 INFO [stderr]     Checking goblin v0.0.11
Dec 17 12:42:56.936 INFO [stderr]     Checking simplelog v0.5.2
Dec 17 12:43:03.704 INFO [stderr]     Checking rumipsem v0.1.0 (/opt/crater/workdir)
Dec 17 12:43:06.764 INFO [stderr] warning: variant is never constructed: `FlowChangeImmediate`
Dec 17 12:43:06.764 INFO [stderr]   --> src/cpu/event.rs:10:5
Dec 17 12:43:06.764 INFO [stderr]    |
Dec 17 12:43:06.764 INFO [stderr] 10 |     FlowChangeImmediate(u32), // this is here to support compact branch
Dec 17 12:43:06.764 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:06.764 INFO [stderr]    |
Dec 17 12:43:06.764 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 12:43:06.764 INFO [stderr] 
Dec 17 12:43:06.764 INFO [stderr] warning: constant item is never used: `RETURN_ADDRESS`
Dec 17 12:43:06.764 INFO [stderr]   --> src/cpu/registers.rs:10:1
Dec 17 12:43:06.764 INFO [stderr]    |
Dec 17 12:43:06.764 INFO [stderr] 10 | pub const RETURN_ADDRESS: u32 = 31;
Dec 17 12:43:06.764 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:06.764 INFO [stderr] 
Dec 17 12:43:06.764 INFO [stderr] warning: method is never used: `get_instruction_number`
Dec 17 12:43:06.764 INFO [stderr]   --> src/cpu/watchdog.rs:43:5
Dec 17 12:43:06.765 INFO [stderr]    |
Dec 17 12:43:06.765 INFO [stderr] 43 |     pub fn get_instruction_number(&self) -> usize {
Dec 17 12:43:06.765 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:06.765 INFO [stderr] 
Dec 17 12:43:06.765 INFO [stderr] warning: method is never used: `disable_trace_checking`
Dec 17 12:43:06.765 INFO [stderr]    --> src/cpu/watchdog.rs:102:5
Dec 17 12:43:06.765 INFO [stderr]     |
Dec 17 12:43:06.765 INFO [stderr] 102 |     pub fn disable_trace_checking(&mut self) {
Dec 17 12:43:06.765 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:06.765 INFO [stderr] 
Dec 17 12:43:07.066 INFO [stderr] warning: variant is never constructed: `FlowChangeImmediate`
Dec 17 12:43:07.066 INFO [stderr]   --> src/cpu/event.rs:10:5
Dec 17 12:43:07.066 INFO [stderr]    |
Dec 17 12:43:07.066 INFO [stderr] 10 |     FlowChangeImmediate(u32), // this is here to support compact branch
Dec 17 12:43:07.066 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:07.066 INFO [stderr]    |
Dec 17 12:43:07.066 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 12:43:07.066 INFO [stderr] 
Dec 17 12:43:07.066 INFO [stderr] warning: constant item is never used: `RETURN_ADDRESS`
Dec 17 12:43:07.066 INFO [stderr]   --> src/cpu/registers.rs:10:1
Dec 17 12:43:07.066 INFO [stderr]    |
Dec 17 12:43:07.066 INFO [stderr] 10 | pub const RETURN_ADDRESS: u32 = 31;
Dec 17 12:43:07.066 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:07.066 INFO [stderr] 
Dec 17 12:43:07.066 INFO [stderr] warning: method is never used: `get_instruction_number`
Dec 17 12:43:07.066 INFO [stderr]   --> src/cpu/watchdog.rs:43:5
Dec 17 12:43:07.066 INFO [stderr]    |
Dec 17 12:43:07.066 INFO [stderr] 43 |     pub fn get_instruction_number(&self) -> usize {
Dec 17 12:43:07.066 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:07.066 INFO [stderr] 
Dec 17 12:43:07.066 INFO [stderr] warning: method is never used: `disable_trace_checking`
Dec 17 12:43:07.066 INFO [stderr]    --> src/cpu/watchdog.rs:102:5
Dec 17 12:43:07.066 INFO [stderr]     |
Dec 17 12:43:07.066 INFO [stderr] 102 |     pub fn disable_trace_checking(&mut self) {
Dec 17 12:43:07.066 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:07.066 INFO [stderr] 
Dec 17 12:43:07.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.58s
Dec 17 12:43:07.804 INFO running `"docker" "inspect" "fddfdddc1108bc22e826f51320d3ba494d53d52aff40031cfd5a10cc24e97cb1"`
Dec 17 12:43:07.967 INFO running `"docker" "rm" "-f" "fddfdddc1108bc22e826f51320d3ba494d53d52aff40031cfd5a10cc24e97cb1"`
Dec 17 12:43:08.229 INFO [stdout] fddfdddc1108bc22e826f51320d3ba494d53d52aff40031cfd5a10cc24e97cb1