[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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/vakabus/rumipsem"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/vakabus/rumipsem'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/vakabus/rumipsem" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/vakabus/rumipsem"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of vakabus/rumipsem on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/vakabus/rumipsem/Cargo.toml [INFO] crate vakabus/rumipsem already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking vakabus/rumipsem against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7a931c22ec18ec1436a885bf610dcc589d256728da862fd7e15f19391ebec10a [INFO] running `"docker" "start" "-a" "7a931c22ec18ec1436a885bf610dcc589d256728da862fd7e15f19391ebec10a"` [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking scroll v0.7.0 [INFO] [stderr] Checking argparse v0.2.1 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Checking nix v0.11.0 [INFO] [stderr] Compiling scroll_derive v0.7.0 [INFO] [stderr] Checking serde_json v1.0.19 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking chrono v0.4.3 [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: variable does not need to be mutable [INFO] [stderr] --> src/cpu/instructions.rs:490:17 [INFO] [stderr] | [INFO] [stderr] 490 | let mut link; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cpu/instructions.rs:491:17 [INFO] [stderr] | [INFO] [stderr] 491 | let mut inst; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cpu/instructions.rs:490:17 [INFO] [stderr] | [INFO] [stderr] 490 | let mut link; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cpu/instructions.rs:491:17 [INFO] [stderr] | [INFO] [stderr] 491 | let mut inst; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:329:25 [INFO] [stderr] | [INFO] [stderr] 329 | let mut oldsigaction = self.sigactions.insert( [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:657:25 [INFO] [stderr] | [INFO] [stderr] 657 | let mut iovec = translate_iovec_libc(arg2, arg3, memory); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:678:25 [INFO] [stderr] | [INFO] [stderr] 678 | let mut iovec = translate_iovec(arg2, arg3, memory); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:691:33 [INFO] [stderr] | [INFO] [stderr] 691 | let mut already_written = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:737:25 [INFO] [stderr] | [INFO] [stderr] 737 | let mut result = unsafe { ::libc::lseek(fd as i32, offset, whence as i32) }; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:884:17 [INFO] [stderr] | [INFO] [stderr] 884 | let mut flags = translate_signal_flags(sigact.sa_flags); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:329:25 [INFO] [stderr] | [INFO] [stderr] 329 | let mut oldsigaction = self.sigactions.insert( [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:657:25 [INFO] [stderr] | [INFO] [stderr] 657 | let mut iovec = translate_iovec_libc(arg2, arg3, memory); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:678:25 [INFO] [stderr] | [INFO] [stderr] 678 | let mut iovec = translate_iovec(arg2, arg3, memory); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:691:33 [INFO] [stderr] | [INFO] [stderr] 691 | let mut already_written = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:737:25 [INFO] [stderr] | [INFO] [stderr] 737 | let mut result = unsafe { ::libc::lseek(fd as i32, offset, whence as i32) }; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/syscalls.rs:884:17 [INFO] [stderr] | [INFO] [stderr] 884 | let mut flags = translate_signal_flags(sigact.sa_flags); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [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 16.49s [INFO] running `"docker" "inspect" "7a931c22ec18ec1436a885bf610dcc589d256728da862fd7e15f19391ebec10a"` [INFO] running `"docker" "rm" "-f" "7a931c22ec18ec1436a885bf610dcc589d256728da862fd7e15f19391ebec10a"` [INFO] [stdout] 7a931c22ec18ec1436a885bf610dcc589d256728da862fd7e15f19391ebec10a