[INFO] cloning repository https://github.com/ukaushik-98/futures [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ukaushik-98/futures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukaushik-98%2Ffutures", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukaushik-98%2Ffutures'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 67795dad8f2d1956434f5d2c3b0c5b83d74582de [INFO] testing ukaushik-98/futures against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fukaushik-98%2Ffutures" "/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/ukaushik-98/futures on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ukaushik-98/futures [INFO] finished tweaking git repo https://github.com/ukaushik-98/futures [INFO] tweaked toml for git repo https://github.com/ukaushik-98/futures written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ukaushik-98/futures 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] decf0684b9366101855cdc923b42fca7b1a747970c5647f4120c450dfd9765ec [INFO] running `Command { std: "docker" "start" "-a" "decf0684b9366101855cdc923b42fca7b1a747970c5647f4120c450dfd9765ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "decf0684b9366101855cdc923b42fca7b1a747970c5647f4120c450dfd9765ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "decf0684b9366101855cdc923b42fca7b1a747970c5647f4120c450dfd9765ec", kill_on_drop: false }` [INFO] [stdout] decf0684b9366101855cdc923b42fca7b1a747970c5647f4120c450dfd9765ec [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 904cf3fa31ca567361ccbad24fa23ff71f0c95202af92e50df777cab8f8d6fa2 [INFO] running `Command { std: "docker" "start" "-a" "904cf3fa31ca567361ccbad24fa23ff71f0c95202af92e50df777cab8f8d6fa2", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.17 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling pin-project-lite v0.2.16 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling smallvec v1.14.0 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling bytes v1.10.0 [INFO] [stderr] Compiling once_cell v1.20.3 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling equivalent v1.0.2 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling hashbrown v0.15.2 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling tower-service v0.3.3 [INFO] [stderr] Compiling hdrhistogram v7.5.4 [INFO] [stderr] Compiling sync_wrapper v1.0.2 [INFO] [stderr] Compiling syn v2.0.98 [INFO] [stderr] Compiling tower-layer v0.3.3 [INFO] [stderr] Compiling indexmap v2.7.1 [INFO] [stderr] Compiling socket2 v0.5.8 [INFO] [stderr] Compiling mio v1.0.3 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tokio v1.43.0 [INFO] [stderr] Compiling tokio-util v0.7.13 [INFO] [stderr] Compiling tower v0.5.2 [INFO] [stderr] Compiling futures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ops::DerefMut` [INFO] [stdout] --> src/futures_lifetimes/foo.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::Debug, ops::DerefMut, pin::Pin}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::Duration` [INFO] [stdout] --> src/futures_lifetimes/single.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{pin::Pin, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/futures_lifetimes/foo.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let s = tokio::spawn(async move { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/foo.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let x = foo.call(()).await; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let x = tokio::spawn(mr).await; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/single.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let x = tokio::spawn(mr).await; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let x = t.call(()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let mut m = MyService; [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: `v` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut v = vec![1, 2, 3]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let y = tokio::spawn(async move { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let mut v = vec![1, 2, 3]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:31:31 [INFO] [stdout] | [INFO] [stdout] 31 | fn call<'a>(&'a mut self, req: Request) -> Self::Future<'a> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let b = a.call(()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let b = a.call(()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/multi.rs:29:35 [INFO] [stdout] | [INFO] [stdout] 29 | fn call<'a, 'b>(&'a mut self, req: MyRequest) -> Self::Future<'a, 'b> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:25:35 [INFO] [stdout] | [INFO] [stdout] 25 | fn call<'a, 'b>(&'a mut self, req: MyRequest) -> Self::Future<'a, 'b> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | fn static_check(t: T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/single.rs:28:31 [INFO] [stdout] | [INFO] [stdout] 28 | fn call<'a>(&'a mut self, req: MyRequest) -> Self::Future<'a> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/futures_lifetimes/single.rs:57:29 [INFO] [stdout] | [INFO] [stdout] 57 | fn static_check(t: T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | fn call(&mut self, request: Request) -> Self::Future<'_> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:66:31 [INFO] [stdout] | [INFO] [stdout] 66 | fn call<'a>(&'a mut self, req: Request) -> Self::Future<'a> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:19:24 [INFO] [stdout] | [INFO] [stdout] 19 | fn call(&mut self, req: Request) -> Self::Future { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | cx: &mut std::task::Context<'_>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:42:29 [INFO] [stdout] | [INFO] [stdout] 42 | fn static_check(t: T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/foo.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | async fn runner<'a: 'static>(v: &'a Vec) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_runner` is never used [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn spawn_runner<'a>(s: &'a String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/multi.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 3 | trait Service { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 10 | fn call<'a, 'b>(&'a mut self, req: Request) -> Self::Future<'a, 'b>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `static_check` is never used [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn static_check(t: T) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `static_check` is never used [INFO] [stdout] --> src/futures_lifetimes/single.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn static_check(t: T) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/single.rs:59:10 [INFO] [stdout] | [INFO] [stdout] 59 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `timeout` is never read [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Timeout { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 9 | inner: T, [INFO] [stdout] 10 | timeout: Duration, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Timeout` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:71:10 [INFO] [stdout] | [INFO] [stdout] 71 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `url` is never read [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct MyService<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 9 | url: &'a String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyService` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `static_check` is never used [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn static_check(t: T) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | async fn runner(url: &'static String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.54s [INFO] running `Command { std: "docker" "inspect" "904cf3fa31ca567361ccbad24fa23ff71f0c95202af92e50df777cab8f8d6fa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "904cf3fa31ca567361ccbad24fa23ff71f0c95202af92e50df777cab8f8d6fa2", kill_on_drop: false }` [INFO] [stdout] 904cf3fa31ca567361ccbad24fa23ff71f0c95202af92e50df777cab8f8d6fa2 [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] add162004a11905e8da0aaac9c21992fc0c8ad9f7e7f98cfb407f4e25480c4b2 [INFO] running `Command { std: "docker" "start" "-a" "add162004a11905e8da0aaac9c21992fc0c8ad9f7e7f98cfb407f4e25480c4b2", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `ops::DerefMut` [INFO] [stdout] --> src/futures_lifetimes/foo.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::Debug, ops::DerefMut, pin::Pin}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::Duration` [INFO] [stdout] --> src/futures_lifetimes/single.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{pin::Pin, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/futures_lifetimes/foo.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let s = tokio::spawn(async move { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/foo.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let x = foo.call(()).await; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let x = tokio::spawn(mr).await; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/single.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let x = tokio::spawn(mr).await; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let x = t.call(()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let mut m = MyService; [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: `v` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut v = vec![1, 2, 3]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let y = tokio::spawn(async move { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let mut v = vec![1, 2, 3]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:31:31 [INFO] [stdout] | [INFO] [stdout] 31 | fn call<'a>(&'a mut self, req: Request) -> Self::Future<'a> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let b = a.call(()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let b = a.call(()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/multi.rs:29:35 [INFO] [stdout] | [INFO] [stdout] 29 | fn call<'a, 'b>(&'a mut self, req: MyRequest) -> Self::Future<'a, 'b> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:25:35 [INFO] [stdout] | [INFO] [stdout] 25 | fn call<'a, 'b>(&'a mut self, req: MyRequest) -> Self::Future<'a, 'b> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | fn static_check(t: T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/single.rs:28:31 [INFO] [stdout] | [INFO] [stdout] 28 | fn call<'a>(&'a mut self, req: MyRequest) -> Self::Future<'a> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/futures_lifetimes/single.rs:57:29 [INFO] [stdout] | [INFO] [stdout] 57 | fn static_check(t: T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | fn call(&mut self, request: Request) -> Self::Future<'_> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:66:31 [INFO] [stdout] | [INFO] [stdout] 66 | fn call<'a>(&'a mut self, req: Request) -> Self::Future<'a> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:19:24 [INFO] [stdout] | [INFO] [stdout] 19 | fn call(&mut self, req: Request) -> Self::Future { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | cx: &mut std::task::Context<'_>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:42:29 [INFO] [stdout] | [INFO] [stdout] 42 | fn static_check(t: T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/foo.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | async fn runner<'a: 'static>(v: &'a Vec) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_runner` is never used [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn spawn_runner<'a>(s: &'a String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/multi.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 3 | trait Service { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 10 | fn call<'a, 'b>(&'a mut self, req: Request) -> Self::Future<'a, 'b>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `static_check` is never used [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn static_check(t: T) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `static_check` is never used [INFO] [stdout] --> src/futures_lifetimes/single.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn static_check(t: T) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/single.rs:59:10 [INFO] [stdout] | [INFO] [stdout] 59 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `timeout` is never read [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Timeout { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 9 | inner: T, [INFO] [stdout] 10 | timeout: Duration, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Timeout` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:71:10 [INFO] [stdout] | [INFO] [stdout] 71 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `url` is never read [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct MyService<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 9 | url: &'a String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyService` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `static_check` is never used [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn static_check(t: T) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | async fn runner(url: &'static String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::DerefMut` [INFO] [stdout] --> src/futures_lifetimes/foo.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::Debug, ops::DerefMut, pin::Pin}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::Duration` [INFO] [stdout] --> src/futures_lifetimes/single.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{pin::Pin, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/futures_lifetimes/foo.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let s = tokio::spawn(async move { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/foo.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let x = foo.call(()).await; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let x = tokio::spawn(mr).await; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/single.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let x = tokio::spawn(mr).await; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let x = t.call(()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let mut m = MyService; [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: `v` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut v = vec![1, 2, 3]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let y = tokio::spawn(async move { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let mut v = vec![1, 2, 3]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:31:31 [INFO] [stdout] | [INFO] [stdout] 31 | fn call<'a>(&'a mut self, req: Request) -> Self::Future<'a> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let b = a.call(()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let b = a.call(()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/multi.rs:29:35 [INFO] [stdout] | [INFO] [stdout] 29 | fn call<'a, 'b>(&'a mut self, req: MyRequest) -> Self::Future<'a, 'b> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:25:35 [INFO] [stdout] | [INFO] [stdout] 25 | fn call<'a, 'b>(&'a mut self, req: MyRequest) -> Self::Future<'a, 'b> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | fn static_check(t: T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/single.rs:28:31 [INFO] [stdout] | [INFO] [stdout] 28 | fn call<'a>(&'a mut self, req: MyRequest) -> Self::Future<'a> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/futures_lifetimes/single.rs:57:29 [INFO] [stdout] | [INFO] [stdout] 57 | fn static_check(t: T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:49:24 [INFO] [stdout] | [INFO] [stdout] 49 | fn call(&mut self, request: Request) -> Self::Future<'_> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:66:31 [INFO] [stdout] | [INFO] [stdout] 66 | fn call<'a>(&'a mut self, req: Request) -> Self::Future<'a> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:19:24 [INFO] [stdout] | [INFO] [stdout] 19 | fn call(&mut self, req: Request) -> Self::Future { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | cx: &mut std::task::Context<'_>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:42:29 [INFO] [stdout] | [INFO] [stdout] 42 | fn static_check(t: T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/foo.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | async fn runner<'a: 'static>(v: &'a Vec) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_runner` is never used [INFO] [stdout] --> src/futures_lifetimes/foo2.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn spawn_runner<'a>(s: &'a String) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/multi.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 3 | trait Service { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 10 | fn call<'a, 'b>(&'a mut self, req: Request) -> Self::Future<'a, 'b>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `static_check` is never used [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn static_check(t: T) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/multi_exp.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `static_check` is never used [INFO] [stdout] --> src/futures_lifetimes/single.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn static_check(t: T) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/single.rs:59:10 [INFO] [stdout] | [INFO] [stdout] 59 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `timeout` is never read [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Timeout { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 9 | inner: T, [INFO] [stdout] 10 | timeout: Duration, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Timeout` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/timeout.rs:71:10 [INFO] [stdout] | [INFO] [stdout] 71 | async fn runner() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `url` is never read [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct MyService<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 9 | url: &'a String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyService` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `static_check` is never used [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn static_check(t: T) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `runner` is never used [INFO] [stdout] --> src/futures_lifetimes/tower_timeout.rs:44:10 [INFO] [stdout] | [INFO] [stdout] 44 | async fn runner(url: &'static String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "add162004a11905e8da0aaac9c21992fc0c8ad9f7e7f98cfb407f4e25480c4b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "add162004a11905e8da0aaac9c21992fc0c8ad9f7e7f98cfb407f4e25480c4b2", kill_on_drop: false }` [INFO] [stdout] add162004a11905e8da0aaac9c21992fc0c8ad9f7e7f98cfb407f4e25480c4b2 [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d2740b5f821b4a352859ecc1cdfecf54848c9625ca1b80fce878604473279f83 [INFO] running `Command { std: "docker" "start" "-a" "d2740b5f821b4a352859ecc1cdfecf54848c9625ca1b80fce878604473279f83", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `ops::DerefMut` [INFO] [stderr] --> src/futures_lifetimes/foo.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{fmt::Debug, ops::DerefMut, pin::Pin}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `time::Duration` [INFO] [stderr] --> src/futures_lifetimes/single.rs:1:21 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{pin::Pin, time::Duration}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/futures_lifetimes/foo.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let s = tokio::spawn(async move { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/futures_lifetimes/foo.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | let x = foo.call(()).await; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/futures_lifetimes/multi_exp.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let x = tokio::spawn(mr).await; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/futures_lifetimes/single.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let x = tokio::spawn(mr).await; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/futures_lifetimes/timeout.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | let x = t.call(()); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/futures_lifetimes/timeout.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | let mut m = MyService; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/futures_lifetimes/tower_timeout.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut v = vec![1, 2, 3]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/futures_lifetimes/tower_timeout.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let y = tokio::spawn(async move { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/futures_lifetimes/tower_timeout.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let mut v = vec![1, 2, 3]; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/futures_lifetimes/foo2.rs:31:31 [INFO] [stderr] | [INFO] [stderr] 31 | fn call<'a>(&'a mut self, req: Request) -> Self::Future<'a> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/futures_lifetimes/foo2.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let b = a.call(()); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/futures_lifetimes/foo2.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let b = a.call(()); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/futures_lifetimes/multi.rs:29:35 [INFO] [stderr] | [INFO] [stderr] 29 | fn call<'a, 'b>(&'a mut self, req: MyRequest) -> Self::Future<'a, 'b> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/futures_lifetimes/multi_exp.rs:25:35 [INFO] [stderr] | [INFO] [stderr] 25 | fn call<'a, 'b>(&'a mut self, req: MyRequest) -> Self::Future<'a, 'b> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/futures_lifetimes/multi_exp.rs:33:29 [INFO] [stderr] | [INFO] [stderr] 33 | fn static_check(t: T) {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/futures_lifetimes/single.rs:28:31 [INFO] [stderr] | [INFO] [stderr] 28 | fn call<'a>(&'a mut self, req: MyRequest) -> Self::Future<'a> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/futures_lifetimes/single.rs:57:29 [INFO] [stderr] | [INFO] [stderr] 57 | fn static_check(t: T) {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `request` [INFO] [stderr] --> src/futures_lifetimes/timeout.rs:49:24 [INFO] [stderr] | [INFO] [stderr] 49 | fn call(&mut self, request: Request) -> Self::Future<'_> { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/futures_lifetimes/timeout.rs:66:31 [INFO] [stderr] | [INFO] [stderr] 66 | fn call<'a>(&'a mut self, req: Request) -> Self::Future<'a> { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/futures_lifetimes/tower_timeout.rs:19:24 [INFO] [stderr] | [INFO] [stderr] 19 | fn call(&mut self, req: Request) -> Self::Future { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/futures_lifetimes/tower_timeout.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | cx: &mut std::task::Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/futures_lifetimes/tower_timeout.rs:42:29 [INFO] [stderr] | [INFO] [stderr] 42 | fn static_check(t: T) {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: function `runner` is never used [INFO] [stderr] --> src/futures_lifetimes/foo.rs:38:10 [INFO] [stderr] | [INFO] [stderr] 38 | async fn runner<'a: 'static>(v: &'a Vec) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `runner` is never used [INFO] [stderr] --> src/futures_lifetimes/foo2.rs:36:4 [INFO] [stderr] | [INFO] [stderr] 36 | fn runner() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `spawn_runner` is never used [INFO] [stderr] --> src/futures_lifetimes/foo2.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn spawn_runner<'a>(s: &'a String) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `runner` is never used [INFO] [stderr] --> src/futures_lifetimes/multi.rs:37:10 [INFO] [stderr] | [INFO] [stderr] 37 | async fn runner() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `call` is never used [INFO] [stderr] --> src/futures_lifetimes/multi_exp.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 3 | trait Service { [INFO] [stderr] | ------- method in this trait [INFO] [stderr] ... [INFO] [stderr] 10 | fn call<'a, 'b>(&'a mut self, req: Request) -> Self::Future<'a, 'b>; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `static_check` is never used [INFO] [stderr] --> src/futures_lifetimes/multi_exp.rs:33:4 [INFO] [stderr] | [INFO] [stderr] 33 | fn static_check(t: T) {} [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `runner` is never used [INFO] [stderr] --> src/futures_lifetimes/multi_exp.rs:35:10 [INFO] [stderr] | [INFO] [stderr] 35 | async fn runner() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `static_check` is never used [INFO] [stderr] --> src/futures_lifetimes/single.rs:57:4 [INFO] [stderr] | [INFO] [stderr] 57 | fn static_check(t: T) {} [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `runner` is never used [INFO] [stderr] --> src/futures_lifetimes/single.rs:59:10 [INFO] [stderr] | [INFO] [stderr] 59 | async fn runner() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `timeout` is never read [INFO] [stderr] --> src/futures_lifetimes/timeout.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct Timeout { [INFO] [stderr] | ------- field in this struct [INFO] [stderr] 9 | inner: T, [INFO] [stderr] 10 | timeout: Duration, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Timeout` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: function `runner` is never used [INFO] [stderr] --> src/futures_lifetimes/timeout.rs:71:10 [INFO] [stderr] | [INFO] [stderr] 71 | async fn runner() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `url` is never read [INFO] [stderr] --> src/futures_lifetimes/tower_timeout.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 8 | struct MyService<'a> { [INFO] [stderr] | --------- field in this struct [INFO] [stderr] 9 | url: &'a String, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `MyService` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: function `static_check` is never used [INFO] [stderr] --> src/futures_lifetimes/tower_timeout.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn static_check(t: T) {} [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `runner` is never used [INFO] [stderr] --> src/futures_lifetimes/tower_timeout.rs:44:10 [INFO] [stderr] | [INFO] [stderr] 44 | async fn runner(url: &'static String) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `futures` (lib) generated 38 warnings (run `cargo fix --lib -p futures` to apply 4 suggestions) [INFO] [stderr] warning: `futures` (lib test) generated 38 warnings (38 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures-6e2cf48559038ece) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/futures-144b8000e611a07e) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests futures [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d2740b5f821b4a352859ecc1cdfecf54848c9625ca1b80fce878604473279f83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2740b5f821b4a352859ecc1cdfecf54848c9625ca1b80fce878604473279f83", kill_on_drop: false }` [INFO] [stdout] d2740b5f821b4a352859ecc1cdfecf54848c9625ca1b80fce878604473279f83