[INFO] fetching crate potential 3.0.1...
[INFO] testing potential-3.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[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 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v1.7.1
[INFO] [stderr]   Downloaded async-broadcast v0.7.2
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5360aea54b76e9c2dbb9586e2405b8714d03978fc7b8e1cbdb45bd5e23a61593
[INFO] running `Command { std: "docker" "start" "-a" "5360aea54b76e9c2dbb9586e2405b8714d03978fc7b8e1cbdb45bd5e23a61593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5360aea54b76e9c2dbb9586e2405b8714d03978fc7b8e1cbdb45bd5e23a61593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5360aea54b76e9c2dbb9586e2405b8714d03978fc7b8e1cbdb45bd5e23a61593", kill_on_drop: false }`
[INFO] [stdout] 5360aea54b76e9c2dbb9586e2405b8714d03978fc7b8e1cbdb45bd5e23a61593
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da4b835c395f9b8179100264add2ff1738988c8776eef79ee3b23c34c426329
[INFO] running `Command { std: "docker" "start" "-a" "4da4b835c395f9b8179100264add2ff1738988c8776eef79ee3b23c34c426329", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling log v0.4.25
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "4da4b835c395f9b8179100264add2ff1738988c8776eef79ee3b23c34c426329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da4b835c395f9b8179100264add2ff1738988c8776eef79ee3b23c34c426329", kill_on_drop: false }`
[INFO] [stdout] 4da4b835c395f9b8179100264add2ff1738988c8776eef79ee3b23c34c426329
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67b3deade2be918a6a08182a61fb06a93a1606fb4ff6dda4fc8164de40773dca
[INFO] running `Command { std: "docker" "start" "-a" "67b3deade2be918a6a08182a61fb06a93a1606fb4ff6dda4fc8164de40773dca", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling smallvec v1.14.0
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling thread_local v1.1.8
[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 tracing-log v0.2.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling async-broadcast v0.7.2
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "67b3deade2be918a6a08182a61fb06a93a1606fb4ff6dda4fc8164de40773dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b3deade2be918a6a08182a61fb06a93a1606fb4ff6dda4fc8164de40773dca", kill_on_drop: false }`
[INFO] [stdout] 67b3deade2be918a6a08182a61fb06a93a1606fb4ff6dda4fc8164de40773dca
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e465d2669bd6ee9497c2adfc95992c22d0106374390a68fb9a923f311acc142
[INFO] running `Command { std: "docker" "start" "-a" "5e465d2669bd6ee9497c2adfc95992c22d0106374390a68fb9a923f311acc142", kill_on_drop: false }`
[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] [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)]` 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)]` 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)]` 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 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/potential-69581abb2d13131f)
[INFO] [stdout] test future::async_threads_pub_sub ... ok
[INFO] [stdout] test sync::threads_pub_sub ... ok
[INFO] [stderr]    Doc-tests potential
[INFO] [stdout] test sync::threads_multi_pub_sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[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" "5e465d2669bd6ee9497c2adfc95992c22d0106374390a68fb9a923f311acc142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e465d2669bd6ee9497c2adfc95992c22d0106374390a68fb9a923f311acc142", kill_on_drop: false }`
[INFO] [stdout] 5e465d2669bd6ee9497c2adfc95992c22d0106374390a68fb9a923f311acc142