[INFO] fetching crate fast_finder 0.1.2... [INFO] checking fast_finder-0.1.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate fast_finder 0.1.2 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate fast_finder 0.1.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7-tc2/source/Cargo.toml [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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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_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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6946ffdc552c94c0e7ef99203ded4e802960a184127a7650e000e763592521da [INFO] running `Command { std: "docker" "start" "-a" "6946ffdc552c94c0e7ef99203ded4e802960a184127a7650e000e763592521da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6946ffdc552c94c0e7ef99203ded4e802960a184127a7650e000e763592521da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6946ffdc552c94c0e7ef99203ded4e802960a184127a7650e000e763592521da", kill_on_drop: false }` [INFO] [stdout] 6946ffdc552c94c0e7ef99203ded4e802960a184127a7650e000e763592521da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e264cf41a0663259467ed03a2481e4c94eb1ee924d8b9e453e9eea3b4fc5ed5 [INFO] running `Command { std: "docker" "start" "-a" "6e264cf41a0663259467ed03a2481e4c94eb1ee924d8b9e453e9eea3b4fc5ed5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking mio v0.8.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking jwalk v0.5.1 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling async-recursion v1.0.0 [INFO] [stderr] Checking tokio v1.17.0 [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)]` 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)]` 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: 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) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [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) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.23s [INFO] running `Command { std: "docker" "inspect" "6e264cf41a0663259467ed03a2481e4c94eb1ee924d8b9e453e9eea3b4fc5ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e264cf41a0663259467ed03a2481e4c94eb1ee924d8b9e453e9eea3b4fc5ed5", kill_on_drop: false }` [INFO] [stdout] 6e264cf41a0663259467ed03a2481e4c94eb1ee924d8b9e453e9eea3b4fc5ed5