[INFO] fetching crate smolscale 0.4.10...
[INFO] checking smolscale-0.4.10 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate smolscale 0.4.10 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate smolscale 0.4.10 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smolscale 0.4.10
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate smolscale 0.4.10
[INFO] tweaked toml for crates.io crate smolscale 0.4.10 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate smolscale 0.4.10 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] [stdout] 30caa1ba46f87288da0ad3127cdc750c69c6031ccd4f96b0f7590ec95b779cf7
[INFO] running `Command { std: "docker" "start" "-a" "30caa1ba46f87288da0ad3127cdc750c69c6031ccd4f96b0f7590ec95b779cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30caa1ba46f87288da0ad3127cdc750c69c6031ccd4f96b0f7590ec95b779cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30caa1ba46f87288da0ad3127cdc750c69c6031ccd4f96b0f7590ec95b779cf7", kill_on_drop: false }`
[INFO] [stdout] 30caa1ba46f87288da0ad3127cdc750c69c6031ccd4f96b0f7590ec95b779cf7
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25c0fcaa6e588f2e086a79d6a97a143d31fc6545e96ba514304d7211d208b49c
[INFO] running `Command { std: "docker" "start" "-a" "25c0fcaa6e588f2e086a79d6a97a143d31fc6545e96ba514304d7211d208b49c", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `EventListener`
[INFO] [stdout]  --> src/queues.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use event_listener::{Event, EventListener};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MONITOR_MS` is never used
[INFO] [stdout]   --> src/lib.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const MONITOR_MS: u64 = 50;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lib.rs:188:12
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl<T, F: Future<Output = T> + 'static> WrappedFuture<T, F> {
[INFO] [stdout]     | ------------------------------------------------------------ associated function in this implementation
[INFO] [stdout] 188 |     pub fn new(fut: F) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `incr` is never used
[INFO] [stdout]   --> src/fastcounter.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl FastCounter {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn incr(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `global_rebalance` is never used
[INFO] [stdout]   --> src/new_executor.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn global_rebalance() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `event` is never read
[INFO] [stdout]   --> src/queues.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct GlobalQueue {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     event: Event,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventListener`
[INFO] [stdout]  --> src/queues.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use event_listener::{Event, EventListener};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slow_fibonacci` is never used
[INFO] [stdout]    --> benches/my_benchmark.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn slow_fibonacci(n: u64) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MONITOR_MS` is never used
[INFO] [stdout]   --> src/lib.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const MONITOR_MS: u64 = 50;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/lib.rs:188:12
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl<T, F: Future<Output = T> + 'static> WrappedFuture<T, F> {
[INFO] [stdout]     | ------------------------------------------------------------ associated function in this implementation
[INFO] [stdout] 188 |     pub fn new(fut: F) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `incr` is never used
[INFO] [stdout]   --> src/fastcounter.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl FastCounter {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn incr(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `global_rebalance` is never used
[INFO] [stdout]   --> src/new_executor.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn global_rebalance() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `event` is never read
[INFO] [stdout]   --> src/queues.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct GlobalQueue {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     event: Event,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "25c0fcaa6e588f2e086a79d6a97a143d31fc6545e96ba514304d7211d208b49c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c0fcaa6e588f2e086a79d6a97a143d31fc6545e96ba514304d7211d208b49c", kill_on_drop: false }`
[INFO] [stdout] 25c0fcaa6e588f2e086a79d6a97a143d31fc6545e96ba514304d7211d208b49c