[INFO] fetching crate neutils 0.1.1...
[INFO] testing neutils-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate neutils 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate neutils 0.1.1
[INFO] finished tweaking crates.io crate neutils 0.1.1
[INFO] tweaked toml for crates.io crate neutils 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate neutils 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 295bc1b7a7055fcaa274b30ebf68e695504c7190c1fcf96c8618e6cc280e45b0
[INFO] running `Command { std: "docker" "start" "-a" "295bc1b7a7055fcaa274b30ebf68e695504c7190c1fcf96c8618e6cc280e45b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "295bc1b7a7055fcaa274b30ebf68e695504c7190c1fcf96c8618e6cc280e45b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295bc1b7a7055fcaa274b30ebf68e695504c7190c1fcf96c8618e6cc280e45b0", kill_on_drop: false }`
[INFO] [stdout] 295bc1b7a7055fcaa274b30ebf68e695504c7190c1fcf96c8618e6cc280e45b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d14bfeb13351f68aa02e2e6f5407301fb668f1f7118040af4c79d22f19005d7
[INFO] running `Command { std: "docker" "start" "-a" "3d14bfeb13351f68aa02e2e6f5407301fb668f1f7118040af4c79d22f19005d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling neutils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `destination`
[INFO] [stdout]   --> src/fair_queue.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |         if let Some((destination, queue)) = self.get_next_queue() {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "3d14bfeb13351f68aa02e2e6f5407301fb668f1f7118040af4c79d22f19005d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d14bfeb13351f68aa02e2e6f5407301fb668f1f7118040af4c79d22f19005d7", kill_on_drop: false }`
[INFO] [stdout] 3d14bfeb13351f68aa02e2e6f5407301fb668f1f7118040af4c79d22f19005d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a69d07b11d2fd29f28f82aa0c1aa91a02333152a49fe56c7d7464b44ccf1b4c6
[INFO] running `Command { std: "docker" "start" "-a" "a69d07b11d2fd29f28f82aa0c1aa91a02333152a49fe56c7d7464b44ccf1b4c6", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `destination`
[INFO] [stdout]   --> src/fair_queue.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |         if let Some((destination, queue)) = self.get_next_queue() {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling neutils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `destination`
[INFO] [stdout]   --> src/fair_queue.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |         if let Some((destination, queue)) = self.get_next_queue() {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/lib.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut rng = rand::thread_rng();
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "a69d07b11d2fd29f28f82aa0c1aa91a02333152a49fe56c7d7464b44ccf1b4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a69d07b11d2fd29f28f82aa0c1aa91a02333152a49fe56c7d7464b44ccf1b4c6", kill_on_drop: false }`
[INFO] [stdout] a69d07b11d2fd29f28f82aa0c1aa91a02333152a49fe56c7d7464b44ccf1b4c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 178df816e86dee4bd5266aff1a91f16a1f3c7c42a54e1c7fb04dc26f35aece7b
[INFO] running `Command { std: "docker" "start" "-a" "178df816e86dee4bd5266aff1a91f16a1f3c7c42a54e1c7fb04dc26f35aece7b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `destination`
[INFO] [stderr]   --> src/fair_queue.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |         if let Some((destination, queue)) = self.get_next_queue() {
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `neutils` (lib) generated 1 warning
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/lib.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut rng = rand::thread_rng();
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut rng = rand::thread_rng();
[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: `neutils` (lib test) generated 3 warnings (1 duplicate) (run `cargo fix --lib -p neutils --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neutils-0f7f47edfa550eaa)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests neutils
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 32.07s
[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" "178df816e86dee4bd5266aff1a91f16a1f3c7c42a54e1c7fb04dc26f35aece7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178df816e86dee4bd5266aff1a91f16a1f3c7c42a54e1c7fb04dc26f35aece7b", kill_on_drop: false }`
[INFO] [stdout] 178df816e86dee4bd5266aff1a91f16a1f3c7c42a54e1c7fb04dc26f35aece7b