Dec 17 12:42:43.213 INFO checking vakabus/rumipsem against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 12:42:43.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:42:43.753 INFO [stdout] e6b1e1751d49a8499313f8f4a811d7aac28ef9d19365fa403aeab8619941ec8d
Dec 17 12:42:43.755 INFO running `"docker" "start" "-a" "e6b1e1751d49a8499313f8f4a811d7aac28ef9d19365fa403aeab8619941ec8d"`
Dec 17 12:42:45.686 INFO [stderr]    Compiling num-integer v0.1.38
Dec 17 12:42:45.686 INFO [stderr]    Compiling serde v1.0.66
Dec 17 12:42:45.694 INFO [stderr]     Checking scroll v0.7.0
Dec 17 12:42:45.696 INFO [stderr]     Checking plain v0.2.3
Dec 17 12:42:45.696 INFO [stderr]     Checking argparse v0.2.1
Dec 17 12:42:45.697 INFO [stderr]     Checking time v0.1.39
Dec 17 12:42:45.697 INFO [stderr]     Checking term v0.5.1
Dec 17 12:42:45.697 INFO [stderr]     Checking nix v0.11.0
Dec 17 12:42:46.137 INFO [stderr]    Compiling scroll_derive v0.7.0
Dec 17 12:42:49.008 INFO [stderr]    Compiling syn v0.14.2
Dec 17 12:42:49.576 INFO [stderr]     Checking flate2 v0.2.20
Dec 17 12:42:51.948 INFO [stderr]     Checking goblin v0.0.11
Dec 17 12:42:52.242 INFO [stderr]     Checking chrono v0.4.3
Dec 17 12:42:57.846 INFO [stderr]     Checking simplelog v0.5.2
Dec 17 12:43:06.433 INFO [stderr]    Compiling serde_derive v1.0.66
Dec 17 12:43:11.471 INFO [stderr]     Checking serde_json v1.0.19
Dec 17 12:43:20.064 INFO [stderr]     Checking rumipsem v0.1.0 (/opt/crater/workdir)
Dec 17 12:43:23.232 INFO [stderr] warning: variant is never constructed: `FlowChangeImmediate`
Dec 17 12:43:23.232 INFO [stderr]   --> src/cpu/event.rs:10:5
Dec 17 12:43:23.232 INFO [stderr]    |
Dec 17 12:43:23.232 INFO [stderr] 10 |     FlowChangeImmediate(u32), // this is here to support compact branch
Dec 17 12:43:23.232 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:23.232 INFO [stderr]    |
Dec 17 12:43:23.232 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 12:43:23.232 INFO [stderr] 
Dec 17 12:43:23.232 INFO [stderr] warning: constant item is never used: `RETURN_ADDRESS`
Dec 17 12:43:23.232 INFO [stderr]   --> src/cpu/registers.rs:10:1
Dec 17 12:43:23.232 INFO [stderr]    |
Dec 17 12:43:23.232 INFO [stderr] 10 | pub const RETURN_ADDRESS: u32 = 31;
Dec 17 12:43:23.232 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:23.232 INFO [stderr] 
Dec 17 12:43:23.232 INFO [stderr] warning: method is never used: `get_instruction_number`
Dec 17 12:43:23.232 INFO [stderr]   --> src/cpu/watchdog.rs:43:5
Dec 17 12:43:23.232 INFO [stderr]    |
Dec 17 12:43:23.232 INFO [stderr] 43 |     pub fn get_instruction_number(&self) -> usize {
Dec 17 12:43:23.232 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:23.232 INFO [stderr] 
Dec 17 12:43:23.232 INFO [stderr] warning: method is never used: `disable_trace_checking`
Dec 17 12:43:23.232 INFO [stderr]    --> src/cpu/watchdog.rs:102:5
Dec 17 12:43:23.232 INFO [stderr]     |
Dec 17 12:43:23.232 INFO [stderr] 102 |     pub fn disable_trace_checking(&mut self) {
Dec 17 12:43:23.232 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:23.232 INFO [stderr] 
Dec 17 12:43:23.608 INFO [stderr] warning: variant is never constructed: `FlowChangeImmediate`
Dec 17 12:43:23.608 INFO [stderr]   --> src/cpu/event.rs:10:5
Dec 17 12:43:23.608 INFO [stderr]    |
Dec 17 12:43:23.608 INFO [stderr] 10 |     FlowChangeImmediate(u32), // this is here to support compact branch
Dec 17 12:43:23.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:23.608 INFO [stderr]    |
Dec 17 12:43:23.608 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 12:43:23.608 INFO [stderr] 
Dec 17 12:43:23.608 INFO [stderr] warning: constant item is never used: `RETURN_ADDRESS`
Dec 17 12:43:23.608 INFO [stderr]   --> src/cpu/registers.rs:10:1
Dec 17 12:43:23.608 INFO [stderr]    |
Dec 17 12:43:23.608 INFO [stderr] 10 | pub const RETURN_ADDRESS: u32 = 31;
Dec 17 12:43:23.608 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:23.608 INFO [stderr] 
Dec 17 12:43:23.608 INFO [stderr] warning: method is never used: `get_instruction_number`
Dec 17 12:43:23.608 INFO [stderr]   --> src/cpu/watchdog.rs:43:5
Dec 17 12:43:23.608 INFO [stderr]    |
Dec 17 12:43:23.608 INFO [stderr] 43 |     pub fn get_instruction_number(&self) -> usize {
Dec 17 12:43:23.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:23.608 INFO [stderr] 
Dec 17 12:43:23.608 INFO [stderr] warning: method is never used: `disable_trace_checking`
Dec 17 12:43:23.608 INFO [stderr]    --> src/cpu/watchdog.rs:102:5
Dec 17 12:43:23.608 INFO [stderr]     |
Dec 17 12:43:23.608 INFO [stderr] 102 |     pub fn disable_trace_checking(&mut self) {
Dec 17 12:43:23.608 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:43:23.608 INFO [stderr] 
Dec 17 12:43:23.684 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.15s
Dec 17 12:43:24.694 INFO running `"docker" "inspect" "e6b1e1751d49a8499313f8f4a811d7aac28ef9d19365fa403aeab8619941ec8d"`
Dec 17 12:43:24.986 INFO running `"docker" "rm" "-f" "e6b1e1751d49a8499313f8f4a811d7aac28ef9d19365fa403aeab8619941ec8d"`
Dec 17 12:43:25.360 INFO [stdout] e6b1e1751d49a8499313f8f4a811d7aac28ef9d19365fa403aeab8619941ec8d