[INFO] updating cached repository https://github.com/vakabus/rumipsem [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5eb40604e61a63db9ae12679df0a39052f3d65c2 [INFO] checking vakabus/rumipsem against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvakabus%2Frumipsem" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vakabus/rumipsem on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [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-12/source/Cargo.toml [INFO] crate git repo https://github.com/vakabus/rumipsem already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 61ea1853f96b20a0fefcb037e13d2b2afd2a256f814ee1587c69bd4b791f91c2 [INFO] running `"docker" "start" "-a" "61ea1853f96b20a0fefcb037e13d2b2afd2a256f814ee1587c69bd4b791f91c2"` [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] 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] Compiling scroll_derive v0.7.0 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Checking goblin v0.0.11 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Checking chrono v0.4.3 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking simplelog v0.5.2 [INFO] [stderr] Compiling serde_derive v1.0.66 [INFO] [stderr] Checking serde_json v1.0.19 [INFO] [stderr] Checking rumipsem v0.1.0 (/opt/rustwide/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 42.21s [INFO] running `"docker" "inspect" "61ea1853f96b20a0fefcb037e13d2b2afd2a256f814ee1587c69bd4b791f91c2"` [INFO] running `"docker" "rm" "-f" "61ea1853f96b20a0fefcb037e13d2b2afd2a256f814ee1587c69bd4b791f91c2"` [INFO] [stdout] 61ea1853f96b20a0fefcb037e13d2b2afd2a256f814ee1587c69bd4b791f91c2