[INFO] cloning repository https://github.com/raimon49/rust-channel-study [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raimon49/rust-channel-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-channel-study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-channel-study'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b168b8e45feaa89314cd8b2d53676bd9555a058 [INFO] testing raimon49/rust-channel-study against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-channel-study" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/raimon49/rust-channel-study [INFO] finished tweaking git repo https://github.com/raimon49/rust-channel-study [INFO] tweaked toml for git repo https://github.com/raimon49/rust-channel-study written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/raimon49/rust-channel-study on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/raimon49/rust-channel-study 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cbaeabde198226771a6a8a9d1abc822146ea932b55f989119e17e3f6daa62279 [INFO] running `Command { std: "docker" "start" "-a" "cbaeabde198226771a6a8a9d1abc822146ea932b55f989119e17e3f6daa62279", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbaeabde198226771a6a8a9d1abc822146ea932b55f989119e17e3f6daa62279", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbaeabde198226771a6a8a9d1abc822146ea932b55f989119e17e3f6daa62279", kill_on_drop: false }` [INFO] [stdout] cbaeabde198226771a6a8a9d1abc822146ea932b55f989119e17e3f6daa62279 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd05a18eaf28fa54b3e9a67984fa105283436822b841e1242d6423e767377596 [INFO] running `Command { std: "docker" "start" "-a" "cd05a18eaf28fa54b3e9a67984fa105283436822b841e1242d6423e767377596", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling rust-channel-study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:159:16 [INFO] [stdout] | [INFO] [stdout] 159 | if (worker_cancel_flag.load(Ordering::SeqCst)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 159 - if (worker_cancel_flag.load(Ordering::SeqCst)) { [INFO] [stdout] 159 + if worker_cancel_flag.load(Ordering::SeqCst) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:173:46 [INFO] [stdout] | [INFO] [stdout] 173 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:179:46 [INFO] [stdout] | [INFO] [stdout] 179 | static PACKETS_SERVED: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 179 - static PACKETS_SERVED: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] 179 + static PACKETS_SERVED: AtomicUsize = AtomicUsize::new(0); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/main.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | / lazy_static! { [INFO] [stdout] 192 | | // lazy_staticクレートのlazy_static!マクロで初期化が可能 [INFO] [stdout] 193 | | // 中の実装はstd::sync::Onceを使っている [INFO] [stdout] 194 | | static ref HOSTNAME: Mutex = Mutex::new(String::new()); [INFO] [stdout] 195 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/main.rs:11:18 [INFO] [stdout] | [INFO] [stdout] 11 | let (sender, receiver) = channel(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let handle = spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rc2` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let rc2 = rc1.clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rc2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `app` [INFO] [stdout] --> src/main.rs:112:13 [INFO] [stdout] | [INFO] [stdout] 112 | let app = Arc::new(FermEmpireApp { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_app` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut text = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `players` [INFO] [stdout] --> src/main.rs:90:25 [INFO] [stdout] | [INFO] [stdout] 90 | let players = guard.split_off(0); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_players` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `OffThreadExt` is never used [INFO] [stdout] --> src/main.rs:33:15 [INFO] [stdout] | [INFO] [stdout] 33 | pub trait OffThreadExt: Iterator { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `GAME_SIZE` is never used [INFO] [stdout] --> src/main.rs:64:15 [INFO] [stdout] | [INFO] [stdout] 64 | const GAME_SIZE: usize = 8; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `num` is never read [INFO] [stdout] --> src/main.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 68 | struct AppConfig { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 69 | num: u32 [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `config` and `waiting_list` are never read [INFO] [stdout] --> src/main.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 72 | struct FermEmpireApp { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 73 | config: RwLock, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 74 | waiting_list: Mutex [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `join_waiting_list`, `read_config`, and `reload_config` are never used [INFO] [stdout] --> src/main.rs:78:16 [INFO] [stdout] | [INFO] [stdout] 77 | impl FermEmpireApp { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] 78 | fn join_waiting_list(&self, player: PlayerId) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 96 | fn read_config(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | fn reload_config(&self) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SharedReceiver` is never constructed [INFO] [stdout] --> src/main.rs:127:24 [INFO] [stdout] | [INFO] [stdout] 127 | pub struct SharedReceiver(Arc>>); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shared_channel` is never used [INFO] [stdout] --> src/main.rs:140:20 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn shared_channel() -> (Sender, SharedReceiver) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `clone` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | rc1.clone(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: cloning is often expensive and is not expected to have side effects [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = rc1.clone(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "cd05a18eaf28fa54b3e9a67984fa105283436822b841e1242d6423e767377596", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd05a18eaf28fa54b3e9a67984fa105283436822b841e1242d6423e767377596", kill_on_drop: false }` [INFO] [stdout] cd05a18eaf28fa54b3e9a67984fa105283436822b841e1242d6423e767377596 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d48a7e674850e40740db6becc7e43380ac9de1aa2d49086675b3ce13e7a2565 [INFO] running `Command { std: "docker" "start" "-a" "8d48a7e674850e40740db6becc7e43380ac9de1aa2d49086675b3ce13e7a2565", kill_on_drop: false }` [INFO] [stderr] Compiling rust-channel-study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:159:16 [INFO] [stdout] | [INFO] [stdout] 159 | if (worker_cancel_flag.load(Ordering::SeqCst)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 159 - if (worker_cancel_flag.load(Ordering::SeqCst)) { [INFO] [stdout] 159 + if worker_cancel_flag.load(Ordering::SeqCst) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:173:46 [INFO] [stdout] | [INFO] [stdout] 173 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:179:46 [INFO] [stdout] | [INFO] [stdout] 179 | static PACKETS_SERVED: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: replace the use of the deprecated constant [INFO] [stdout] | [INFO] [stdout] 179 - static PACKETS_SERVED: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stdout] 179 + static PACKETS_SERVED: AtomicUsize = AtomicUsize::new(0); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/main.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | / lazy_static! { [INFO] [stdout] 192 | | // lazy_staticクレートのlazy_static!マクロで初期化が可能 [INFO] [stdout] 193 | | // 中の実装はstd::sync::Onceを使っている [INFO] [stdout] 194 | | static ref HOSTNAME: Mutex = Mutex::new(String::new()); [INFO] [stdout] 195 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/main.rs:11:18 [INFO] [stdout] | [INFO] [stdout] 11 | let (sender, receiver) = channel(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let handle = spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rc2` [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let rc2 = rc1.clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rc2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `app` [INFO] [stdout] --> src/main.rs:112:13 [INFO] [stdout] | [INFO] [stdout] 112 | let app = Arc::new(FermEmpireApp { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_app` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let mut text = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `players` [INFO] [stdout] --> src/main.rs:90:25 [INFO] [stdout] | [INFO] [stdout] 90 | let players = guard.split_off(0); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_players` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `clone` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | rc1.clone(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: cloning is often expensive and is not expected to have side effects [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = rc1.clone(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "8d48a7e674850e40740db6becc7e43380ac9de1aa2d49086675b3ce13e7a2565", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d48a7e674850e40740db6becc7e43380ac9de1aa2d49086675b3ce13e7a2565", kill_on_drop: false }` [INFO] [stdout] 8d48a7e674850e40740db6becc7e43380ac9de1aa2d49086675b3ce13e7a2565 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9c3036aa489652a7793a567f9eba65aecf9103ba885124892867f3930017fd19 [INFO] running `Command { std: "docker" "start" "-a" "9c3036aa489652a7793a567f9eba65aecf9103ba885124892867f3930017fd19", kill_on_drop: false }` [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stdout] [INFO] [stderr] --> src/main.rs:159:16 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 159 | if (worker_cancel_flag.load(Ordering::SeqCst)) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 159 - if (worker_cancel_flag.load(Ordering::SeqCst)) { [INFO] [stderr] 159 + if worker_cancel_flag.load(Ordering::SeqCst) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stderr] --> src/main.rs:173:46 [INFO] [stderr] | [INFO] [stderr] 173 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred [INFO] [stderr] --> src/main.rs:179:46 [INFO] [stderr] | [INFO] [stderr] 179 | static PACKETS_SERVED: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: replace the use of the deprecated constant [INFO] [stderr] | [INFO] [stderr] 179 - static PACKETS_SERVED: AtomicUsize = ATOMIC_USIZE_INIT; [INFO] [stderr] 179 + static PACKETS_SERVED: AtomicUsize = AtomicUsize::new(0); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stderr] --> src/main.rs:191:9 [INFO] [stderr] | [INFO] [stderr] 191 | / lazy_static! { [INFO] [stderr] 192 | | // lazy_staticクレートのlazy_static!マクロで初期化が可能 [INFO] [stderr] 193 | | // 中の実装はstd::sync::Onceを使っている [INFO] [stderr] 194 | | static ref HOSTNAME: Mutex = Mutex::new(String::new()); [INFO] [stderr] 195 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `receiver` [INFO] [stderr] --> src/main.rs:11:18 [INFO] [stderr] | [INFO] [stderr] 11 | let (sender, receiver) = channel(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle` [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let handle = spawn(move || { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rc2` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let rc2 = rc1.clone(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_rc2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `app` [INFO] [stderr] --> src/main.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | let app = Arc::new(FermEmpireApp { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_app` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut text = String::new(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `players` [INFO] [stderr] --> src/main.rs:90:25 [INFO] [stderr] | [INFO] [stderr] 90 | let players = guard.split_off(0); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_players` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `clone` that must be used [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | rc1.clone(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: cloning is often expensive and is not expected to have side effects [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 30 | let _ = rc1.clone(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rust-channel-study` (bin "rust-channel-study" test) generated 11 warnings (run `cargo fix --bin "rust-channel-study" --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_channel_study-8cd657479d657b32) [INFO] running `Command { std: "docker" "inspect" "9c3036aa489652a7793a567f9eba65aecf9103ba885124892867f3930017fd19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c3036aa489652a7793a567f9eba65aecf9103ba885124892867f3930017fd19", kill_on_drop: false }` [INFO] [stdout] 9c3036aa489652a7793a567f9eba65aecf9103ba885124892867f3930017fd19