[INFO] updating cached repository https://github.com/JedimEmO/futures-signals-observable [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 257ea35d6835aa8ca2b2496903199f8451448b86 [INFO] checking JedimEmO/futures-signals-observable/257ea35d6835aa8ca2b2496903199f8451448b86 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJedimEmO%2Ffutures-signals-observable" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JedimEmO/futures-signals-observable on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JedimEmO/futures-signals-observable [INFO] finished tweaking git repo https://github.com/JedimEmO/futures-signals-observable [INFO] tweaked toml for git repo https://github.com/JedimEmO/futures-signals-observable written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JedimEmO/futures-signals-observable 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" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50817ec3f9b255732338aa9b2facebf9ec72bae2647f5d169fbff798dbb77980 [INFO] running `Command { std: "docker" "start" "-a" "50817ec3f9b255732338aa9b2facebf9ec72bae2647f5d169fbff798dbb77980", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50817ec3f9b255732338aa9b2facebf9ec72bae2647f5d169fbff798dbb77980", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50817ec3f9b255732338aa9b2facebf9ec72bae2647f5d169fbff798dbb77980", kill_on_drop: false }` [INFO] [stdout] 50817ec3f9b255732338aa9b2facebf9ec72bae2647f5d169fbff798dbb77980 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a3d535e6d542e01d477e89b80d8be2f41523a34ae104117a1451b1815b7fe12 [INFO] running `Command { std: "docker" "start" "-a" "5a3d535e6d542e01d477e89b80d8be2f41523a34ae104117a1451b1815b7fe12", kill_on_drop: false }` [INFO] [stderr] Compiling futures-signals-observable-derive v0.1.0 (/opt/rustwide/workdir/crates/futures-signals-observable-derive) [INFO] [stderr] Checking futures-signals-observable v0.1.0 (/opt/rustwide/workdir/crates/futures-signals-observable) [INFO] [stdout] warning: unused import: `proc_macro2::TokenStream` [INFO] [stdout] --> crates/futures-signals-observable-derive/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use proc_macro2::TokenStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `proc_macro2::TokenStream` [INFO] [stdout] --> crates/futures-signals-observable-derive/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use proc_macro2::TokenStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `empty` and `select_all` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::stream::{empty, iter, select, select_all}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `always` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:4:31 [INFO] [stdout] | [INFO] [stdout] 4 | use futures_signals::signal::{always, SignalExt}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Signal` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:5:40 [INFO] [stdout] | [INFO] [stdout] 5 | use futures_signals::signal::{Mutable, Signal}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `from_stream` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:7:35 [INFO] [stdout] | [INFO] [stdout] 7 | use futures_signals::signal_vec::{from_stream, MutableVec, SignalVecExt}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `proc_macro2::TokenStream` [INFO] [stdout] --> crates/futures-signals-observable-derive/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use proc_macro2::TokenStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `empty` and `select_all` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::stream::{empty, iter, select, select_all}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `always` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:4:31 [INFO] [stdout] | [INFO] [stdout] 4 | use futures_signals::signal::{always, SignalExt}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Signal` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:5:40 [INFO] [stdout] | [INFO] [stdout] 5 | use futures_signals::signal::{Mutable, Signal}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `from_stream` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:7:35 [INFO] [stdout] | [INFO] [stdout] 7 | use futures_signals::signal_vec::{from_stream, MutableVec, SignalVecExt}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `empty` and `select_all` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::stream::{empty, iter, select, select_all}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `always` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:4:31 [INFO] [stdout] | [INFO] [stdout] 4 | use futures_signals::signal::{always, SignalExt}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Signal` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:5:40 [INFO] [stdout] | [INFO] [stdout] 5 | use futures_signals::signal::{Mutable, Signal}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `from_stream` [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:7:35 [INFO] [stdout] | [INFO] [stdout] 7 | use futures_signals::signal_vec::{from_stream, MutableVec, SignalVecExt}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking test-lib v0.1.0 (/opt/rustwide/workdir/crates/test-lib) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> crates/test-lib/src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> crates/futures-signals-observable/src/lib.rs:185:13 [INFO] [stdout] | [INFO] [stdout] 185 | let mut changes = a.changed(); [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 `#[macro_use]` import [INFO] [stdout] --> crates/futures-signals-observable-derive/tests/test_derive.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestB` is never constructed [INFO] [stdout] --> crates/test-lib/src/lib.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | struct TestB { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestB` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> crates/futures-signals-observable-derive/tests/test_derive.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let mut a = Arc::new(TestA::default()); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.73s [INFO] running `Command { std: "docker" "inspect" "5a3d535e6d542e01d477e89b80d8be2f41523a34ae104117a1451b1815b7fe12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a3d535e6d542e01d477e89b80d8be2f41523a34ae104117a1451b1815b7fe12", kill_on_drop: false }` [INFO] [stdout] 5a3d535e6d542e01d477e89b80d8be2f41523a34ae104117a1451b1815b7fe12