[INFO] fetching crate fast_finder 0.1.2...
[INFO] checking fast_finder-0.1.2 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate fast_finder 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fast_finder 0.1.2
[INFO] finished tweaking crates.io crate fast_finder 0.1.2
[INFO] tweaked toml for crates.io crate fast_finder 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast_finder 0.1.2 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fast_finder 0.1.2 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-recursion v1.0.0
[INFO] [stderr]   Downloaded jwalk v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfe67507719a872be09c06f37166b1448e22c99c76347a326ebb01d46c4df296
[INFO] running `Command { std: "docker" "start" "-a" "cfe67507719a872be09c06f37166b1448e22c99c76347a326ebb01d46c4df296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfe67507719a872be09c06f37166b1448e22c99c76347a326ebb01d46c4df296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe67507719a872be09c06f37166b1448e22c99c76347a326ebb01d46c4df296", kill_on_drop: false }`
[INFO] [stdout] cfe67507719a872be09c06f37166b1448e22c99c76347a326ebb01d46c4df296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7bc5311ca08e8799f13ca3b4935e932a3b999d6a594aa054ae4db401e808800
[INFO] running `Command { std: "docker" "start" "-a" "c7bc5311ca08e8799f13ca3b4935e932a3b999d6a594aa054ae4db401e808800", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking parking_lot_core v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling async-recursion v1.0.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking jwalk v0.5.1
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking clap v3.1.5
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking fast_finder v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `async_recursion::async_recursion`
[INFO] [stdout]  --> src/finder/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use async_recursion::async_recursion;
[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 import: `home::home_dir`
[INFO] [stdout]  --> src/finder/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use home::home_dir;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jwalk::WalkDir`
[INFO] [stdout]  --> src/finder/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use jwalk::WalkDir;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::metadata`
[INFO] [stdout]   --> src/finder/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::fs::metadata;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]   --> src/finder/mod.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                     ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/finder/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use std::time::Instant;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `home::home_dir`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use home::home_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::finder::finder::Found`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::finder::finder::Found;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_recursion::async_recursion`
[INFO] [stdout]  --> src/finder/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use async_recursion::async_recursion;
[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 import: `home::home_dir`
[INFO] [stdout]  --> src/finder/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use home::home_dir;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jwalk::WalkDir`
[INFO] [stdout]  --> src/finder/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use jwalk::WalkDir;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::metadata`
[INFO] [stdout]   --> src/finder/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::fs::metadata;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]   --> src/finder/mod.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                     ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/finder/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use std::time::Instant;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `home::home_dir`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use home::home_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::finder::finder::Found`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::finder::finder::Found;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/finder/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use rayon::prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::TryFutureExt`
[INFO] [stdout]  --> src/finder/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use futures::TryFutureExt;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_of` is never used
[INFO] [stdout]    --> src/finder/mod.rs:352:12
[INFO] [stdout]     |
[INFO] [stdout] 352 |     pub fn type_of<T>(_: T) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/finder/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use rayon::prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::TryFutureExt`
[INFO] [stdout]  --> src/finder/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use futures::TryFutureExt;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_of` is never used
[INFO] [stdout]    --> src/finder/mod.rs:352:12
[INFO] [stdout]     |
[INFO] [stdout] 352 |     pub fn type_of<T>(_: T) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "c7bc5311ca08e8799f13ca3b4935e932a3b999d6a594aa054ae4db401e808800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7bc5311ca08e8799f13ca3b4935e932a3b999d6a594aa054ae4db401e808800", kill_on_drop: false }`
[INFO] [stdout] c7bc5311ca08e8799f13ca3b4935e932a3b999d6a594aa054ae4db401e808800