[INFO] updating cached repository vakabus/rumipsem
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vakabus/rumipsem
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vakabus/rumipsem" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/vakabus/rumipsem"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/vakabus/rumipsem'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vakabus/rumipsem" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/vakabus/rumipsem"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/vakabus/rumipsem'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5eb40604e61a63db9ae12679df0a39052f3d65c2
[INFO] sha for GitHub repo vakabus/rumipsem: 5eb40604e61a63db9ae12679df0a39052f3d65c2
[INFO] validating manifest of vakabus/rumipsem on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vakabus/rumipsem on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vakabus/rumipsem
[INFO] finished frobbing vakabus/rumipsem
[INFO] frobbed toml for vakabus/rumipsem written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/vakabus/rumipsem/Cargo.toml
[INFO] started frobbing vakabus/rumipsem
[INFO] finished frobbing vakabus/rumipsem
[INFO] frobbed toml for vakabus/rumipsem written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/vakabus/rumipsem/Cargo.toml
[INFO] crate vakabus/rumipsem has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking vakabus/rumipsem against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4b4929ef048b33fee3d234ccfa7604766ecd5bd844ed6e9d05e13302309e97ad
[INFO] running `"docker" "start" "-a" "4b4929ef048b33fee3d234ccfa7604766ecd5bd844ed6e9d05e13302309e97ad"`
[INFO] [stderr]     Checking scroll v0.7.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking num-integer v0.1.38
[INFO] [stderr]    Compiling scroll_derive v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.19
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking goblin v0.0.11
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking rumipsem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `FlowChangeImmediate`
[INFO] [stderr]   --> src/cpu/event.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     FlowChangeImmediate(u32), // this is here to support compact branch
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RETURN_ADDRESS`
[INFO] [stderr]   --> src/cpu/registers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const RETURN_ADDRESS: u32 = 31;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_instruction_number`
[INFO] [stderr]   --> src/cpu/watchdog.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn get_instruction_number(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `disable_trace_checking`
[INFO] [stderr]    --> src/cpu/watchdog.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn disable_trace_checking(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FlowChangeImmediate`
[INFO] [stderr]   --> src/cpu/event.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     FlowChangeImmediate(u32), // this is here to support compact branch
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RETURN_ADDRESS`
[INFO] [stderr]   --> src/cpu/registers.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const RETURN_ADDRESS: u32 = 31;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_instruction_number`
[INFO] [stderr]   --> src/cpu/watchdog.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn get_instruction_number(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `disable_trace_checking`
[INFO] [stderr]    --> src/cpu/watchdog.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn disable_trace_checking(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `"docker" "inspect" "4b4929ef048b33fee3d234ccfa7604766ecd5bd844ed6e9d05e13302309e97ad"`
[INFO] running `"docker" "rm" "-f" "4b4929ef048b33fee3d234ccfa7604766ecd5bd844ed6e9d05e13302309e97ad"`
[INFO] [stdout] 4b4929ef048b33fee3d234ccfa7604766ecd5bd844ed6e9d05e13302309e97ad