[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] checking vakabus/rumipsem against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvakabus%2Frumipsem" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vakabus/rumipsem on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded plain v0.2.3 [INFO] [stderr] Downloaded serde_json v1.0.19 [INFO] [stderr] Downloaded simplelog v0.5.2 [INFO] [stderr] Downloaded scroll_derive v0.7.0 [INFO] [stderr] Downloaded scroll v0.7.0 [INFO] [stderr] Downloaded goblin v0.0.11 [INFO] [stderr] Downloaded chrono v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] d9f444faa34aec61ae72311b2e3fe392ed6c6ca1163393137f8e8562a2252102 [INFO] running `Command { std: "docker" "start" "-a" "d9f444faa34aec61ae72311b2e3fe392ed6c6ca1163393137f8e8562a2252102", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9f444faa34aec61ae72311b2e3fe392ed6c6ca1163393137f8e8562a2252102", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9f444faa34aec61ae72311b2e3fe392ed6c6ca1163393137f8e8562a2252102", kill_on_drop: false }` [INFO] [stdout] d9f444faa34aec61ae72311b2e3fe392ed6c6ca1163393137f8e8562a2252102 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d441150b0b3b491a235029ef279ed7ba17eae48cea62e1d5b10ff14621b6ca49 [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" "d441150b0b3b491a235029ef279ed7ba17eae48cea62e1d5b10ff14621b6ca49", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking scroll v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking nix v0.11.0 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Checking chrono v0.4.3 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Compiling scroll_derive v0.7.0 [INFO] [stderr] Checking simplelog v0.5.2 [INFO] [stderr] Checking goblin v0.0.11 [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] [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/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] [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 57.76s [INFO] running `Command { std: "docker" "inspect" "d441150b0b3b491a235029ef279ed7ba17eae48cea62e1d5b10ff14621b6ca49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d441150b0b3b491a235029ef279ed7ba17eae48cea62e1d5b10ff14621b6ca49", kill_on_drop: false }` [INFO] [stdout] d441150b0b3b491a235029ef279ed7ba17eae48cea62e1d5b10ff14621b6ca49