[INFO] fetching crate sk-skimmer 0.13.6...
[INFO] checking sk-skimmer-0.13.6 against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] extracting crate sk-skimmer 0.13.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sk-skimmer 0.13.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sk-skimmer 0.13.6
[INFO] tweaked toml for crates.io crate sk-skimmer 0.13.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sk-skimmer 0.13.6 on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sk-skimmer 0.13.6 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] 588f5ba23ee083ea7923e28fc866c6483f8d848bba8603bdde8d347ada7067ef
[INFO] running `Command { std: "docker" "start" "-a" "588f5ba23ee083ea7923e28fc866c6483f8d848bba8603bdde8d347ada7067ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588f5ba23ee083ea7923e28fc866c6483f8d848bba8603bdde8d347ada7067ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588f5ba23ee083ea7923e28fc866c6483f8d848bba8603bdde8d347ada7067ef", kill_on_drop: false }`
[INFO] [stdout] 588f5ba23ee083ea7923e28fc866c6483f8d848bba8603bdde8d347ada7067ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb5ddd361b7462be38220ada78e0150aebbddfa22918eda253ff0b2ba3bd888d
[INFO] running `Command { std: "docker" "start" "-a" "bb5ddd361b7462be38220ada78e0150aebbddfa22918eda253ff0b2ba3bd888d", kill_on_drop: false }`
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[INFO] [stderr]     Checking sk-skimmer v0.13.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/engine/factory.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/engine/factory.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/engine/factory.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 238 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/engine/factory.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/engine/factory.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/engine/factory.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 238 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/item.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn take(&self) -> ItemPoolGuard<Arc<dyn SkimItem>> {
[INFO] [stdout]     |                 ^^^^^     -------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn take(&self) -> ItemPoolGuard<'_, Arc<dyn SkimItem>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/item.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn reserved(&self) -> ItemPoolGuard<Arc<dyn SkimItem>> {
[INFO] [stdout]     |                     ^^^^^     -------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn reserved(&self) -> ItemPoolGuard<'_, Arc<dyn SkimItem>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/orderedvec.rs:138:16
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get(&self, index: usize) -> Option<Ref<T>> {
[INFO] [stdout]     |                ^^^^^                          ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get(&self, index: usize) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/orderedvec.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn iter(&self) -> impl Iterator<Item = Ref<T>> {
[INFO] [stdout]     |                 ^^^^^                          ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn iter(&self) -> impl Iterator<Item = Ref<'_, T>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/spinlock.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn lock(&self) -> SpinLockGuard<T> {
[INFO] [stdout]    |                 ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn lock(&self) -> SpinLockGuard<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/item.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn take(&self) -> ItemPoolGuard<Arc<dyn SkimItem>> {
[INFO] [stdout]     |                 ^^^^^     -------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn take(&self) -> ItemPoolGuard<'_, Arc<dyn SkimItem>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/item.rs:189:21
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn reserved(&self) -> ItemPoolGuard<Arc<dyn SkimItem>> {
[INFO] [stdout]     |                     ^^^^^     -------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub fn reserved(&self) -> ItemPoolGuard<'_, Arc<dyn SkimItem>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/orderedvec.rs:138:16
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get(&self, index: usize) -> Option<Ref<T>> {
[INFO] [stdout]     |                ^^^^^                          ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn get(&self, index: usize) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/orderedvec.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn iter(&self) -> impl Iterator<Item = Ref<T>> {
[INFO] [stdout]     |                 ^^^^^                          ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn iter(&self) -> impl Iterator<Item = Ref<'_, T>> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/spinlock.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn lock(&self) -> SpinLockGuard<T> {
[INFO] [stdout]    |                 ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn lock(&self) -> SpinLockGuard<'_, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.32s
[INFO] running `Command { std: "docker" "inspect" "bb5ddd361b7462be38220ada78e0150aebbddfa22918eda253ff0b2ba3bd888d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5ddd361b7462be38220ada78e0150aebbddfa22918eda253ff0b2ba3bd888d", kill_on_drop: false }`
[INFO] [stdout] bb5ddd361b7462be38220ada78e0150aebbddfa22918eda253ff0b2ba3bd888d
