[INFO] fetching crate futures-rate 0.1.5... [INFO] checking futures-rate-0.1.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate futures-rate 0.1.5 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate futures-rate 0.1.5 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate futures-rate 0.1.5 [INFO] finished tweaking crates.io crate futures-rate 0.1.5 [INFO] tweaked toml for crates.io crate futures-rate 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate futures-rate 0.1.5 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c3bebeaedd33500bbccfc5f103e0cfecf96b4a99553d543b7c2054af7b4c3fb [INFO] running `Command { std: "docker" "start" "-a" "8c3bebeaedd33500bbccfc5f103e0cfecf96b4a99553d543b7c2054af7b4c3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c3bebeaedd33500bbccfc5f103e0cfecf96b4a99553d543b7c2054af7b4c3fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c3bebeaedd33500bbccfc5f103e0cfecf96b4a99553d543b7c2054af7b4c3fb", kill_on_drop: false }` [INFO] [stdout] 8c3bebeaedd33500bbccfc5f103e0cfecf96b4a99553d543b7c2054af7b4c3fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbfeaed7da99840f2cae358e469954638e00fa9ca804e09bef6044eddc020f49 [INFO] running `Command { std: "docker" "start" "-a" "fbfeaed7da99840f2cae358e469954638e00fa9ca804e09bef6044eddc020f49", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking futures-rate v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/gatekeeper.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | / ( [INFO] [stdout] 105 | | async move { [INFO] [stdout] | |________________^ [INFO] [stdout] ... [INFO] [stdout] 108 | } [INFO] [stdout] | __________________^ [INFO] [stdout] 109 | | // Token {}, [INFO] [stdout] 110 | | ), [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 104 ~ async move { [INFO] [stdout] 105 | ticket.await?; [INFO] [stdout] 106 | Ok(fut.await) [INFO] [stdout] 107 ~ }, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_token` is never used [INFO] [stdout] --> src/inner.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 92 | pub(crate) trait TokenFetcher { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] 93 | fn add_token(&self, count: usize); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stdout] warning: unused imports: `GateKeeperConfig` and `TokenPolicy` [INFO] [stdout] --> examples/cooperative_mode.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use futures_rate::{GateKeeper, GateKeeperConfig, TokenPolicy}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/gatekeeper.rs:104:13 [INFO] [stdout] | [INFO] [stdout] 104 | / ( [INFO] [stdout] 105 | | async move { [INFO] [stdout] | |________________^ [INFO] [stdout] ... [INFO] [stdout] 108 | } [INFO] [stdout] | __________________^ [INFO] [stdout] 109 | | // Token {}, [INFO] [stdout] 110 | | ), [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 104 ~ async move { [INFO] [stdout] 105 | ticket.await?; [INFO] [stdout] 106 | Ok(fut.await) [INFO] [stdout] 107 ~ }, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/cooperative_mode.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut keeper = GateKeeper::new(1); [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: panic message is not a string literal [INFO] [stdout] --> examples/cooperative_mode.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | / format!( [INFO] [stdout] 55 | | "{}'s exclusive access is violated ... which should not happen to this test ...", [INFO] [stdout] 56 | | id [INFO] [stdout] 57 | | ) [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 54 ~ [INFO] [stdout] 55 | "{}'s exclusive access is violated ... which should not happen to this test ...", [INFO] [stdout] 56 | id [INFO] [stdout] 57 ~ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_token` is never used [INFO] [stdout] --> src/inner.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 92 | pub(crate) trait TokenFetcher { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] 93 | fn add_token(&self, count: usize); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.03s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fbfeaed7da99840f2cae358e469954638e00fa9ca804e09bef6044eddc020f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbfeaed7da99840f2cae358e469954638e00fa9ca804e09bef6044eddc020f49", kill_on_drop: false }` [INFO] [stdout] fbfeaed7da99840f2cae358e469954638e00fa9ca804e09bef6044eddc020f49