[INFO] cloning repository https://github.com/d1agnozzz/os-lab4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d1agnozzz/os-lab4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1agnozzz%2Fos-lab4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1agnozzz%2Fos-lab4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11dc9790209aaaeee2d4b46e35c322bf61c668b4 [INFO] checking d1agnozzz/os-lab4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1agnozzz%2Fos-lab4" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/d1agnozzz/os-lab4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/d1agnozzz/os-lab4 [INFO] finished tweaking git repo https://github.com/d1agnozzz/os-lab4 [INFO] tweaked toml for git repo https://github.com/d1agnozzz/os-lab4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/d1agnozzz/os-lab4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 103 packages [INFO] [stderr] Adding async-channel v2.2.0 [INFO] [stderr] Adding async-lock v3.3.0 [INFO] [stderr] Adding async-task v4.7.0 [INFO] [stderr] Adding atomic-waker v1.1.2 [INFO] [stderr] Adding autocfg v1.2.0 [INFO] [stderr] Adding bincode v1.3.3 [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bitflags v2.5.0 [INFO] [stderr] Adding blocking v1.5.1 [INFO] [stderr] Adding cc v1.0.90 [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cfg-if v1.0.0 [INFO] [stderr] Adding concurrent-queue v2.4.0 [INFO] [stderr] Adding crossbeam-channel v0.5.12 [INFO] [stderr] Adding crossbeam-utils v0.8.19 [INFO] [stderr] Adding errno v0.3.8 [INFO] [stderr] Adding event-listener v4.0.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v5.3.0 [INFO] [stderr] Adding event-listener-strategy v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding event-listener-strategy v0.5.1 [INFO] [stderr] Adding fastrand v2.0.2 [INFO] [stderr] Adding fnv v1.0.7 [INFO] [stderr] Adding fuchsia-zircon v0.3.3 [INFO] [stderr] Adding fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Adding futures-core v0.3.30 [INFO] [stderr] Adding futures-io v0.3.30 [INFO] [stderr] Adding futures-lite v2.3.0 [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.13) [INFO] [stderr] Adding getrandom v0.2.13 [INFO] [stderr] Adding interprocess v1.2.1 [INFO] [stderr] Adding intmap v0.7.1 (latest: v2.0.0) [INFO] [stderr] Adding iovec v0.1.4 [INFO] [stderr] Adding ipc-channel v0.16.1 (latest: v0.18.0) [INFO] [stderr] Adding kernel32-sys v0.2.2 [INFO] [stderr] Adding lazy_static v1.4.0 [INFO] [stderr] Adding libc v0.2.153 [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding lock_api v0.4.11 [INFO] [stderr] Adding log v0.4.21 [INFO] [stderr] Adding memoffset v0.6.5 (latest: v0.9.1) [INFO] [stderr] Adding memoffset v0.7.1 (latest: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding net2 v0.2.39 [INFO] [stderr] Adding nix v0.23.2 (latest: v0.28.0) [INFO] [stderr] Adding nix v0.26.4 (latest: v0.28.0) [INFO] [stderr] Adding once_cell v1.19.0 [INFO] [stderr] Adding parking v2.2.0 [INFO] [stderr] Adding pin-project-lite v0.2.14 [INFO] [stderr] Adding pin-utils v0.1.0 [INFO] [stderr] Adding piper v0.2.1 [INFO] [stderr] Adding ppv-lite86 v0.2.17 [INFO] [stderr] Adding proc-macro2 v1.0.79 [INFO] [stderr] Adding quote v1.0.35 [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.8.5 [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_chacha v0.3.1 [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.6.4 [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rustc_version v0.4.0 [INFO] [stderr] Adding rustix v0.38.32 [INFO] [stderr] Adding scopeguard v1.2.0 [INFO] [stderr] Adding semver v1.0.22 [INFO] [stderr] Adding serde v1.0.197 [INFO] [stderr] Adding serde_derive v1.0.197 [INFO] [stderr] Adding shared_memory v0.12.4 [INFO] [stderr] Adding slab v0.4.9 [INFO] [stderr] Adding spinning v0.1.0 [INFO] [stderr] Adding syn v2.0.58 [INFO] [stderr] Adding tempfile v3.10.1 [INFO] [stderr] Adding thiserror v1.0.58 [INFO] [stderr] Adding thiserror-impl v1.0.58 [INFO] [stderr] Adding to_method v1.1.0 [INFO] [stderr] Adding tracing v0.1.40 [INFO] [stderr] Adding tracing-core v0.1.32 [INFO] [stderr] Adding unicode-ident v1.0.12 [INFO] [stderr] Adding uuid v1.8.0 [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding win-sys v0.3.1 [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding winapi v0.3.9 [INFO] [stderr] Adding winapi-build v0.1.1 [INFO] [stderr] Adding winapi-i686-pc-windows-gnu v0.4.0 [INFO] [stderr] Adding winapi-x86_64-pc-windows-gnu v0.4.0 [INFO] [stderr] Adding windows v0.34.0 (latest: v0.54.0) [INFO] [stderr] Adding windows-sys v0.52.0 [INFO] [stderr] Adding windows-targets v0.52.4 [INFO] [stderr] Adding windows_aarch64_gnullvm v0.52.4 [INFO] [stderr] Adding windows_aarch64_msvc v0.34.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.52.4 [INFO] [stderr] Adding windows_i686_gnu v0.34.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.52.4 [INFO] [stderr] Adding windows_i686_msvc v0.34.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.52.4 [INFO] [stderr] Adding windows_x86_64_gnu v0.34.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.52.4 [INFO] [stderr] Adding windows_x86_64_gnullvm v0.52.4 [INFO] [stderr] Adding windows_x86_64_msvc v0.34.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.52.4 [INFO] [stderr] Adding ws2_32-sys v0.2.1 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded win-sys v0.3.1 [INFO] [stderr] Downloaded shared_memory v0.12.4 [INFO] [stderr] Downloaded windows v0.34.0 [INFO] [stderr] Downloaded ipc-channel v0.16.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0733c3060131bbc816ec4203fccb9b7ceb697bb0175754c961007c6c9c33661 [INFO] running `Command { std: "docker" "start" "-a" "e0733c3060131bbc816ec4203fccb9b7ceb697bb0175754c961007c6c9c33661", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0733c3060131bbc816ec4203fccb9b7ceb697bb0175754c961007c6c9c33661", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0733c3060131bbc816ec4203fccb9b7ceb697bb0175754c961007c6c9c33661", kill_on_drop: false }` [INFO] [stdout] e0733c3060131bbc816ec4203fccb9b7ceb697bb0175754c961007c6c9c33661 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 581b0e3eacf20b6b1e98cc23b9fb52381ad2dcb2b346499e2b2e41b60ff57af8 [INFO] running `Command { std: "docker" "start" "-a" "581b0e3eacf20b6b1e98cc23b9fb52381ad2dcb2b346499e2b2e41b60ff57af8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking async-task v4.7.0 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking intmap v0.7.1 [INFO] [stderr] Checking to_method v1.1.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking spinning v0.1.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Compiling interprocess v1.2.1 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking event-listener v4.0.3 [INFO] [stderr] Checking event-listener v5.3.0 [INFO] [stderr] Checking event-listener-strategy v0.5.1 [INFO] [stderr] Checking event-listener-strategy v0.4.0 [INFO] [stderr] Checking async-channel v2.2.0 [INFO] [stderr] Checking async-lock v3.3.0 [INFO] [stderr] Checking getrandom v0.2.13 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking nix v0.23.2 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking uuid v1.8.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking ipc-channel v0.16.1 [INFO] [stderr] Checking shared_memory v0.12.4 [INFO] [stderr] Checking lab4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `WaitPidFlag` [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | sys::wait::{WaitPidFlag, WaitStatus}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 46 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UnixListener` [INFO] [stdout] --> src/lib.rs:47:30 [INFO] [stdout] | [INFO] [stdout] 47 | use std::os::unix::net::{UnixListener, UnixStream}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `WaitPidFlag` [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | sys::wait::{WaitPidFlag, WaitStatus}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 46 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UnixListener` [INFO] [stdout] --> src/lib.rs:47:30 [INFO] [stdout] | [INFO] [stdout] 47 | use std::os::unix::net::{UnixListener, UnixStream}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/lib.rs:93:37 [INFO] [stdout] | [INFO] [stdout] 93 | Ok(ForkResult::Parent { child }) => match unsafe { fork() } { [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/lib.rs:94:41 [INFO] [stdout] | [INFO] [stdout] 94 | Ok(ForkResult::Parent { child }) => (), [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:268:31 [INFO] [stdout] | [INFO] [stdout] 268 | for (col, val) in matrix.iter().enumerate() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:323:13 [INFO] [stdout] | [INFO] [stdout] 323 | let mut f = BufReader::new(File::open(path).unwrap()); [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/lib.rs:93:37 [INFO] [stdout] | [INFO] [stdout] 93 | Ok(ForkResult::Parent { child }) => match unsafe { fork() } { [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/lib.rs:94:41 [INFO] [stdout] | [INFO] [stdout] 94 | Ok(ForkResult::Parent { child }) => (), [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:268:31 [INFO] [stdout] | [INFO] [stdout] 268 | for (col, val) in matrix.iter().enumerate() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:323:13 [INFO] [stdout] | [INFO] [stdout] 323 | let mut f = BufReader::new(File::open(path).unwrap()); [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::wait::WaitStatus` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::sys::wait::WaitStatus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ForkResult`, `fork` [INFO] [stdout] --> src/main.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::unistd::{fork, ForkResult}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:64:26 [INFO] [stdout] | [INFO] [stdout] 64 | use std::os::unix::net::{SocketAddr, UnixListener}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::channel` [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | use std::sync::mpsc::channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matrix_2` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let matrix_2 = vec![vec![1, 2, 3], vec![4, 5, 6], vec![7, 8, 9]]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shmem` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let shmem = match shared_memory::ShmemConf::new().size(8).create() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shmem` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unix_listener` [INFO] [stdout] --> src/main.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | let unix_listener = UnixListener::bind(socket_path).expect("bind error"); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unix_listener` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unix_socket` is never used [INFO] [stdout] --> src/main.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn unix_socket() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_existing_socket` is never used [INFO] [stdout] --> src/main.rs:124:4 [INFO] [stdout] | [INFO] [stdout] 124 | fn delete_existing_socket(socket_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::wait::WaitStatus` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::sys::wait::WaitStatus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ForkResult`, `fork` [INFO] [stdout] --> src/main.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::unistd::{fork, ForkResult}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:64:26 [INFO] [stdout] | [INFO] [stdout] 64 | use std::os::unix::net::{SocketAddr, UnixListener}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::channel` [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | use std::sync::mpsc::channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matrix_2` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let matrix_2 = vec![vec![1, 2, 3], vec![4, 5, 6], vec![7, 8, 9]]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shmem` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let shmem = match shared_memory::ShmemConf::new().size(8).create() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shmem` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unix_listener` [INFO] [stdout] --> src/main.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | let unix_listener = UnixListener::bind(socket_path).expect("bind error"); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unix_listener` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unix_socket` is never used [INFO] [stdout] --> src/main.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn unix_socket() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_existing_socket` is never used [INFO] [stdout] --> src/main.rs:124:4 [INFO] [stdout] | [INFO] [stdout] 124 | fn delete_existing_socket(socket_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.45s [INFO] running `Command { std: "docker" "inspect" "581b0e3eacf20b6b1e98cc23b9fb52381ad2dcb2b346499e2b2e41b60ff57af8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581b0e3eacf20b6b1e98cc23b9fb52381ad2dcb2b346499e2b2e41b60ff57af8", kill_on_drop: false }` [INFO] [stdout] 581b0e3eacf20b6b1e98cc23b9fb52381ad2dcb2b346499e2b2e41b60ff57af8 [INFO] checking d1agnozzz/os-lab4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd1agnozzz%2Fos-lab4" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/d1agnozzz/os-lab4 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/d1agnozzz/os-lab4 [INFO] finished tweaking git repo https://github.com/d1agnozzz/os-lab4 [INFO] tweaked toml for git repo https://github.com/d1agnozzz/os-lab4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/d1agnozzz/os-lab4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e9403f439fee46fe8497f3ea1087bafd415b5877b413b3ea7793caf2e5aa2a37 [INFO] running `Command { std: "docker" "start" "-a" "e9403f439fee46fe8497f3ea1087bafd415b5877b413b3ea7793caf2e5aa2a37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9403f439fee46fe8497f3ea1087bafd415b5877b413b3ea7793caf2e5aa2a37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9403f439fee46fe8497f3ea1087bafd415b5877b413b3ea7793caf2e5aa2a37", kill_on_drop: false }` [INFO] [stdout] e9403f439fee46fe8497f3ea1087bafd415b5877b413b3ea7793caf2e5aa2a37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48de4eb1b88a2b78df9e22a8ff5e48c5fcee3c4dab72c498b97f60c7ff0ece23 [INFO] running `Command { std: "docker" "start" "-a" "48de4eb1b88a2b78df9e22a8ff5e48c5fcee3c4dab72c498b97f60c7ff0ece23", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking async-task v4.7.0 [INFO] [stderr] Checking piper v0.2.1 [INFO] [stderr] Checking to_method v1.1.0 [INFO] [stderr] Checking intmap v0.7.1 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking spinning v0.1.0 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Compiling interprocess v1.2.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking event-listener v4.0.3 [INFO] [stderr] Checking event-listener v5.3.0 [INFO] [stderr] Checking event-listener-strategy v0.5.1 [INFO] [stderr] Checking event-listener-strategy v0.4.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking async-lock v3.3.0 [INFO] [stderr] Checking async-channel v2.2.0 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking getrandom v0.2.13 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking nix v0.23.2 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking uuid v1.8.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking ipc-channel v0.16.1 [INFO] [stderr] Checking shared_memory v0.12.4 [INFO] [stderr] Checking lab4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `WaitPidFlag` [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | sys::wait::{WaitPidFlag, WaitStatus}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 46 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UnixListener` [INFO] [stdout] --> src/lib.rs:47:30 [INFO] [stdout] | [INFO] [stdout] 47 | use std::os::unix::net::{UnixListener, UnixStream}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Error` [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `WaitPidFlag` [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | sys::wait::{WaitPidFlag, WaitStatus}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 46 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UnixListener` [INFO] [stdout] --> src/lib.rs:47:30 [INFO] [stdout] | [INFO] [stdout] 47 | use std::os::unix::net::{UnixListener, UnixStream}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/lib.rs:93:37 [INFO] [stdout] | [INFO] [stdout] 93 | Ok(ForkResult::Parent { child }) => match unsafe { fork() } { [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/lib.rs:94:41 [INFO] [stdout] | [INFO] [stdout] 94 | Ok(ForkResult::Parent { child }) => (), [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:268:31 [INFO] [stdout] | [INFO] [stdout] 268 | for (col, val) in matrix.iter().enumerate() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:323:13 [INFO] [stdout] | [INFO] [stdout] 323 | let mut f = BufReader::new(File::open(path).unwrap()); [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: unused variable: `child` [INFO] [stdout] --> src/lib.rs:93:37 [INFO] [stdout] | [INFO] [stdout] 93 | Ok(ForkResult::Parent { child }) => match unsafe { fork() } { [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/lib.rs:94:41 [INFO] [stdout] | [INFO] [stdout] 94 | Ok(ForkResult::Parent { child }) => (), [INFO] [stdout] | ^^^^^ help: try ignoring the field: `child: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/lib.rs:268:31 [INFO] [stdout] | [INFO] [stdout] 268 | for (col, val) in matrix.iter().enumerate() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:323:13 [INFO] [stdout] | [INFO] [stdout] 323 | let mut f = BufReader::new(File::open(path).unwrap()); [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::wait::WaitStatus` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::sys::wait::WaitStatus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ForkResult`, `fork` [INFO] [stdout] --> src/main.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::unistd::{fork, ForkResult}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:64:26 [INFO] [stdout] | [INFO] [stdout] 64 | use std::os::unix::net::{SocketAddr, UnixListener}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::channel` [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | use std::sync::mpsc::channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matrix_2` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let matrix_2 = vec![vec![1, 2, 3], vec![4, 5, 6], vec![7, 8, 9]]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shmem` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let shmem = match shared_memory::ShmemConf::new().size(8).create() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shmem` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unix_listener` [INFO] [stdout] --> src/main.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | let unix_listener = UnixListener::bind(socket_path).expect("bind error"); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unix_listener` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unix_socket` is never used [INFO] [stdout] --> src/main.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn unix_socket() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_existing_socket` is never used [INFO] [stdout] --> src/main.rs:124:4 [INFO] [stdout] | [INFO] [stdout] 124 | fn delete_existing_socket(socket_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::sys::wait::WaitStatus` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::sys::wait::WaitStatus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ForkResult`, `fork` [INFO] [stdout] --> src/main.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::unistd::{fork, ForkResult}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:64:26 [INFO] [stdout] | [INFO] [stdout] 64 | use std::os::unix::net::{SocketAddr, UnixListener}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::channel` [INFO] [stdout] --> src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | use std::sync::mpsc::channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/main.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matrix_2` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let matrix_2 = vec![vec![1, 2, 3], vec![4, 5, 6], vec![7, 8, 9]]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix_2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shmem` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let shmem = match shared_memory::ShmemConf::new().size(8).create() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shmem` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unix_listener` [INFO] [stdout] --> src/main.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | let unix_listener = UnixListener::bind(socket_path).expect("bind error"); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unix_listener` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unix_socket` is never used [INFO] [stdout] --> src/main.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn unix_socket() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_existing_socket` is never used [INFO] [stdout] --> src/main.rs:124:4 [INFO] [stdout] | [INFO] [stdout] 124 | fn delete_existing_socket(socket_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.80s [INFO] running `Command { std: "docker" "inspect" "48de4eb1b88a2b78df9e22a8ff5e48c5fcee3c4dab72c498b97f60c7ff0ece23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48de4eb1b88a2b78df9e22a8ff5e48c5fcee3c4dab72c498b97f60c7ff0ece23", kill_on_drop: false }` [INFO] [stdout] 48de4eb1b88a2b78df9e22a8ff5e48c5fcee3c4dab72c498b97f60c7ff0ece23