[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/beta-1.38-1/sources/1.37.0/gh/vakabus/rumipsem"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vakabus/rumipsem'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/vakabus/rumipsem" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vakabus/rumipsem"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of vakabus/rumipsem on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing vakabus/rumipsem against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 1b8f6a5a538e34d29207794b5fe4cb2a33b24c62639166356da35b32c9133ace [INFO] running `"docker" "start" "-a" "1b8f6a5a538e34d29207794b5fe4cb2a33b24c62639166356da35b32c9133ace"` [INFO] [stderr] Compiling scroll v0.7.0 [INFO] [stderr] Compiling plain v0.2.3 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling scroll_derive v0.7.0 [INFO] [stderr] Compiling serde_json v1.0.19 [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 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/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 34.56s [INFO] running `"docker" "inspect" "1b8f6a5a538e34d29207794b5fe4cb2a33b24c62639166356da35b32c9133ace"` [INFO] running `"docker" "rm" "-f" "1b8f6a5a538e34d29207794b5fe4cb2a33b24c62639166356da35b32c9133ace"` [INFO] [stdout] 1b8f6a5a538e34d29207794b5fe4cb2a33b24c62639166356da35b32c9133ace [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 2b2639d540e51c34b344644737bd9e2fa2bd8f48207453315d42f6adc5edcf41 [INFO] running `"docker" "start" "-a" "2b2639d540e51c34b344644737bd9e2fa2bd8f48207453315d42f6adc5edcf41"` [INFO] [stderr] Compiling 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/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 3.49s [INFO] running `"docker" "inspect" "2b2639d540e51c34b344644737bd9e2fa2bd8f48207453315d42f6adc5edcf41"` [INFO] running `"docker" "rm" "-f" "2b2639d540e51c34b344644737bd9e2fa2bd8f48207453315d42f6adc5edcf41"` [INFO] [stdout] 2b2639d540e51c34b344644737bd9e2fa2bd8f48207453315d42f6adc5edcf41 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 85341b260924b656d7df54a9d82b79a9f67ec409ccf196c32e7cc031641fef31 [INFO] running `"docker" "start" "-a" "85341b260924b656d7df54a9d82b79a9f67ec409ccf196c32e7cc031641fef31"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/rumipsem-7d9df0e3e9498d74 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test cpu::bitutils::test_sign_extend ... ok [INFO] [stdout] test cpu::bitutils::test_apply_offset ... ok [INFO] [stdout] test cpu::bitutils::test_add_to_upper_bits ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "85341b260924b656d7df54a9d82b79a9f67ec409ccf196c32e7cc031641fef31"` [INFO] running `"docker" "rm" "-f" "85341b260924b656d7df54a9d82b79a9f67ec409ccf196c32e7cc031641fef31"` [INFO] [stdout] 85341b260924b656d7df54a9d82b79a9f67ec409ccf196c32e7cc031641fef31