[INFO] fetching crate potential 3.0.1... [INFO] testing potential-3.0.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate potential 3.0.1 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate potential 3.0.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate potential 3.0.1 [INFO] tweaked toml for crates.io crate potential 3.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate potential 3.0.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate potential 3.0.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4708c4f1beb8635284f55e3d69c43a8a2f2df68f53e62ea1a94e15e1e94112a [INFO] running `Command { std: "docker" "start" "-a" "e4708c4f1beb8635284f55e3d69c43a8a2f2df68f53e62ea1a94e15e1e94112a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4708c4f1beb8635284f55e3d69c43a8a2f2df68f53e62ea1a94e15e1e94112a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4708c4f1beb8635284f55e3d69c43a8a2f2df68f53e62ea1a94e15e1e94112a", kill_on_drop: false }` [INFO] [stdout] e4708c4f1beb8635284f55e3d69c43a8a2f2df68f53e62ea1a94e15e1e94112a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35a522d34317b2712b1ef2c712de4fdc1aadc306d2bf1d02f3eafff6148b6ece [INFO] running `Command { std: "docker" "start" "-a" "35a522d34317b2712b1ef2c712de4fdc1aadc306d2bf1d02f3eafff6148b6ece", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.25 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling potential v3.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sync::Arc` [INFO] [stdout] --> src/stream.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | sync::Arc, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "35a522d34317b2712b1ef2c712de4fdc1aadc306d2bf1d02f3eafff6148b6ece", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35a522d34317b2712b1ef2c712de4fdc1aadc306d2bf1d02f3eafff6148b6ece", kill_on_drop: false }` [INFO] [stdout] 35a522d34317b2712b1ef2c712de4fdc1aadc306d2bf1d02f3eafff6148b6ece [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0403aaeaff65014abd7752dd615fed61079111f7ae5478657d070411d5fda9f [INFO] running `Command { std: "docker" "start" "-a" "b0403aaeaff65014abd7752dd615fed61079111f7ae5478657d070411d5fda9f", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling potential v3.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sync::Arc` [INFO] [stdout] --> src/stream.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | sync::Arc, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tracing-subscriber v0.3.19 [INFO] [stderr] Compiling futures-lite v2.6.0 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling event-listener v5.4.0 [INFO] [stderr] Compiling event-listener-strategy v0.5.3 [INFO] [stderr] Compiling async-broadcast v0.7.2 [INFO] [stdout] warning: unused import: `iter` [INFO] [stdout] --> examples/pubsub.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{iter, time::Instant}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> examples/pubsub.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | while let Ok(v) = subs.try_pop() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sync::Arc` [INFO] [stdout] --> src/stream.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | sync::Arc, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.88s [INFO] running `Command { std: "docker" "inspect" "b0403aaeaff65014abd7752dd615fed61079111f7ae5478657d070411d5fda9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0403aaeaff65014abd7752dd615fed61079111f7ae5478657d070411d5fda9f", kill_on_drop: false }` [INFO] [stdout] b0403aaeaff65014abd7752dd615fed61079111f7ae5478657d070411d5fda9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a2d265ff98483ba3bddd4a940eced40a9761efd754e75875b2999b5d2cab626d [INFO] running `Command { std: "docker" "start" "-a" "a2d265ff98483ba3bddd4a940eced40a9761efd754e75875b2999b5d2cab626d", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `sync::Arc` [INFO] [stderr] --> src/stream.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | sync::Arc, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `potential` (lib) generated 1 warning (run `cargo fix --lib -p potential` to apply 1 suggestion) [INFO] [stderr] warning: unused import: `iter` [INFO] [stderr] --> examples/pubsub.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{iter, time::Instant}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> examples/pubsub.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | while let Ok(v) = subs.try_pop() { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `potential` (example "pubsub") generated 2 warnings (run `cargo fix --example "pubsub"` to apply 1 suggestion) [INFO] [stderr] warning: `potential` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/potential-69581abb2d13131f) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test future::async_pub_sub ... ok [INFO] [stdout] test stream::streams ... ok [INFO] [stdout] test sync::sync_pub_sub ... ok [INFO] [stdout] test future::async_threads_pub_sub ... ok [INFO] [stdout] test sync::threads_pub_sub ... ok [INFO] [stdout] test sync::threads_multi_pub_sub ... ok [INFO] [stderr] Doc-tests potential [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [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" "a2d265ff98483ba3bddd4a940eced40a9761efd754e75875b2999b5d2cab626d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2d265ff98483ba3bddd4a940eced40a9761efd754e75875b2999b5d2cab626d", kill_on_drop: false }` [INFO] [stdout] a2d265ff98483ba3bddd4a940eced40a9761efd754e75875b2999b5d2cab626d