[INFO] cloning repository https://github.com/vakabus/rumipsem [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vakabus/rumipsem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvakabus%2Frumipsem", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvakabus%2Frumipsem'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5eb40604e61a63db9ae12679df0a39052f3d65c2 [INFO] testing vakabus/rumipsem against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvakabus%2Frumipsem" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vakabus/rumipsem on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vakabus/rumipsem [INFO] finished tweaking git repo https://github.com/vakabus/rumipsem [INFO] tweaked toml for git repo https://github.com/vakabus/rumipsem written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/vakabus/rumipsem already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 011b1931b18bdd15e090b0dae4fe4e8e4c31117018aea1f97ce67a840f960cab [INFO] running `Command { std: "docker" "start" "-a" "011b1931b18bdd15e090b0dae4fe4e8e4c31117018aea1f97ce67a840f960cab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "011b1931b18bdd15e090b0dae4fe4e8e4c31117018aea1f97ce67a840f960cab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "011b1931b18bdd15e090b0dae4fe4e8e4c31117018aea1f97ce67a840f960cab", kill_on_drop: false }` [INFO] [stdout] 011b1931b18bdd15e090b0dae4fe4e8e4c31117018aea1f97ce67a840f960cab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 406a5e00add78e11c76eeadd4d61b25bf9bd3ab35c8d825ca2d29d2ba5ec439f [INFO] running `Command { std: "docker" "start" "-a" "406a5e00add78e11c76eeadd4d61b25bf9bd3ab35c8d825ca2d29d2ba5ec439f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling byteorder v1.2.3 [INFO] [stderr] Compiling plain v0.2.3 [INFO] [stderr] Compiling scroll v0.7.0 [INFO] [stderr] Compiling itoa v0.4.1 [INFO] [stderr] Compiling argparse v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling term v0.5.1 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling scroll_derive v0.7.0 [INFO] [stderr] Compiling chrono v0.4.3 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling goblin v0.0.11 [INFO] [stderr] Compiling simplelog v0.5.2 [INFO] [stderr] Compiling serde_derive v1.0.66 [INFO] [stderr] Compiling serde_json v1.0.19 [INFO] [stderr] Compiling rumipsem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu/instructions.rs:490:17 [INFO] [stdout] | [INFO] [stdout] 490 | let mut link; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu/instructions.rs:491:17 [INFO] [stdout] | [INFO] [stdout] 491 | let mut inst; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:329:25 [INFO] [stdout] | [INFO] [stdout] 329 | let mut oldsigaction = self.sigactions.insert( [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:657:25 [INFO] [stdout] | [INFO] [stdout] 657 | let mut iovec = translate_iovec_libc(arg2, arg3, memory); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:678:25 [INFO] [stdout] | [INFO] [stdout] 678 | let mut iovec = translate_iovec(arg2, arg3, memory); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:691:33 [INFO] [stdout] | [INFO] [stdout] 691 | ... let mut already_written = 0; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:737:25 [INFO] [stdout] | [INFO] [stdout] 737 | let mut result = unsafe { ::libc::lseek(fd as i32, offset, whence as i32) }; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:884:17 [INFO] [stdout] | [INFO] [stdout] 884 | let mut flags = translate_signal_flags(sigact.sa_flags); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FlowChangeImmediate` [INFO] [stdout] --> src/cpu/event.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | FlowChangeImmediate(u32), // this is here to support compact branch [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `RETURN_ADDRESS` [INFO] [stdout] --> src/cpu/registers.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | pub const RETURN_ADDRESS: u32 = 31; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_instruction_number` [INFO] [stdout] --> src/cpu/watchdog.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_instruction_number(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `disable_trace_checking` [INFO] [stdout] --> src/cpu/watchdog.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn disable_trace_checking(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `Command { std: "docker" "inspect" "406a5e00add78e11c76eeadd4d61b25bf9bd3ab35c8d825ca2d29d2ba5ec439f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "406a5e00add78e11c76eeadd4d61b25bf9bd3ab35c8d825ca2d29d2ba5ec439f", kill_on_drop: false }` [INFO] [stdout] 406a5e00add78e11c76eeadd4d61b25bf9bd3ab35c8d825ca2d29d2ba5ec439f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e66ccb075b2e4aba14c6900e7d08d1c4206e78789df53dccead92886edd3a0a8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e66ccb075b2e4aba14c6900e7d08d1c4206e78789df53dccead92886edd3a0a8", kill_on_drop: false }` [INFO] [stderr] Compiling rumipsem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu/instructions.rs:490:17 [INFO] [stdout] | [INFO] [stdout] 490 | let mut link; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu/instructions.rs:491:17 [INFO] [stdout] | [INFO] [stdout] 491 | let mut inst; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:329:25 [INFO] [stdout] | [INFO] [stdout] 329 | let mut oldsigaction = self.sigactions.insert( [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:657:25 [INFO] [stdout] | [INFO] [stdout] 657 | let mut iovec = translate_iovec_libc(arg2, arg3, memory); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:678:25 [INFO] [stdout] | [INFO] [stdout] 678 | let mut iovec = translate_iovec(arg2, arg3, memory); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:691:33 [INFO] [stdout] | [INFO] [stdout] 691 | ... let mut already_written = 0; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:737:25 [INFO] [stdout] | [INFO] [stdout] 737 | let mut result = unsafe { ::libc::lseek(fd as i32, offset, whence as i32) }; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/syscalls.rs:884:17 [INFO] [stdout] | [INFO] [stdout] 884 | let mut flags = translate_signal_flags(sigact.sa_flags); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FlowChangeImmediate` [INFO] [stdout] --> src/cpu/event.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | FlowChangeImmediate(u32), // this is here to support compact branch [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `RETURN_ADDRESS` [INFO] [stdout] --> src/cpu/registers.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | pub const RETURN_ADDRESS: u32 = 31; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_instruction_number` [INFO] [stdout] --> src/cpu/watchdog.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_instruction_number(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `disable_trace_checking` [INFO] [stdout] --> src/cpu/watchdog.rs:102:12 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn disable_trace_checking(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.41s [INFO] running `Command { std: "docker" "inspect" "e66ccb075b2e4aba14c6900e7d08d1c4206e78789df53dccead92886edd3a0a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e66ccb075b2e4aba14c6900e7d08d1c4206e78789df53dccead92886edd3a0a8", kill_on_drop: false }` [INFO] [stdout] e66ccb075b2e4aba14c6900e7d08d1c4206e78789df53dccead92886edd3a0a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5a768e861069f59c770ea44f0d2a1d940780aa8d71fc26c2f693e0c3923edd72 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5a768e861069f59c770ea44f0d2a1d940780aa8d71fc26c2f693e0c3923edd72", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 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: associated function is never used: `get_instruction_number` [INFO] [stderr] --> src/cpu/watchdog.rs:43:12 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn get_instruction_number(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `disable_trace_checking` [INFO] [stderr] --> src/cpu/watchdog.rs:102:12 [INFO] [stderr] | [INFO] [stderr] 102 | pub fn disable_trace_checking(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.35s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rumipsem-4b45c99e847aeffb [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test cpu::bitutils::test_apply_offset ... ok [INFO] [stdout] test cpu::bitutils::test_add_to_upper_bits ... ok [INFO] [stdout] test cpu::bitutils::test_sign_extend ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5a768e861069f59c770ea44f0d2a1d940780aa8d71fc26c2f693e0c3923edd72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a768e861069f59c770ea44f0d2a1d940780aa8d71fc26c2f693e0c3923edd72", kill_on_drop: false }` [INFO] [stdout] 5a768e861069f59c770ea44f0d2a1d940780aa8d71fc26c2f693e0c3923edd72