[INFO] updating cached repository https://github.com/dgoetsch/rust-search [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4f479b2acc3e6c029d0634f908074d99b971fb8a [INFO] checking dgoetsch/rust-search against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgoetsch%2Frust-search" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dgoetsch/rust-search on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dgoetsch/rust-search [INFO] finished tweaking git repo https://github.com/dgoetsch/rust-search [INFO] tweaked toml for git repo https://github.com/dgoetsch/rust-search written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/dgoetsch/rust-search already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 71a7d9783ba8a41438c9d569a25f5475ac865ad63852deeaf0ea13574706cc76 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "71a7d9783ba8a41438c9d569a25f5475ac865ad63852deeaf0ea13574706cc76"` [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking itertools v0.7.9 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking itertools-num v0.1.2 [INFO] [stderr] Checking criterion-stats v0.2.5 [INFO] [stderr] Compiling syn v0.15.21 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking regex v1.0.6 [INFO] [stderr] Checking csv v1.0.2 [INFO] [stderr] Checking criterion-plot v0.2.5 [INFO] [stderr] Checking handlebars v0.32.4 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking criterion v0.2.5 [INFO] [stderr] Checking search v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `SubCommand` [INFO] [stderr] --> src/main.rs:5:22 [INFO] [stderr] | [INFO] [stderr] 5 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `SendError` [INFO] [stderr] --> src/main.rs:7:41 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc::{Sender, Receiver, SendError}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `SystemTime` [INFO] [stderr] --> src/main.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | use std::time::{Duration, SystemTime}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Stdout` [INFO] [stderr] --> src/main.rs:16:22 [INFO] [stderr] | [INFO] [stderr] 16 | use std::io::{Write, Stdout}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:78:31 [INFO] [stderr] | [INFO] [stderr] 78 | let mut loggers: Vec> = vec![ WriteLogger::new(log_level, Config::default(), std::io::stderr())]; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SharedLogger` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `SubCommand` [INFO] [stderr] --> src/main.rs:5:22 [INFO] [stderr] | [INFO] [stderr] 5 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `SendError` [INFO] [stderr] --> src/main.rs:7:41 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc::{Sender, Receiver, SendError}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `SystemTime` [INFO] [stderr] --> src/main.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | use std::time::{Duration, SystemTime}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Stdout` [INFO] [stderr] --> src/main.rs:16:22 [INFO] [stderr] | [INFO] [stderr] 16 | use std::io::{Write, Stdout}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:78:31 [INFO] [stderr] | [INFO] [stderr] 78 | let mut loggers: Vec> = vec![ WriteLogger::new(log_level, Config::default(), std::io::stderr())]; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn SharedLogger` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:83:27 [INFO] [stderr] | [INFO] [stderr] 83 | .or_else(|err| File::open(file_name)) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/main.rs:255:22 [INFO] [stderr] | [INFO] [stderr] 255 | .filter(|p| path.file_name().and_then(|os_str| os_str.to_str()).unwrap_or("").contains(query.as_str())) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `File` [INFO] [stderr] --> src/main.rs:109:5 [INFO] [stderr] | [INFO] [stderr] 109 | File(String), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | init_logger(matches.value_of("log_level"), matches.value_of("debug_file")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | / File::create(file_name) [INFO] [stderr] 83 | | .or_else(|err| File::open(file_name)) [INFO] [stderr] 84 | | .map(|file| [INFO] [stderr] 85 | | loggers.push(WriteLogger::new(LevelFilter::Debug, Config::default(), file))); [INFO] [stderr] | |_________________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | / next_query [INFO] [stderr] 141 | | .map(|(path, query)| search.search(path, query)); [INFO] [stderr] | |_____________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:167:13 [INFO] [stderr] | [INFO] [stderr] 167 | writer.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:172:9 [INFO] [stderr] | [INFO] [stderr] 172 | query_thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:174:9 [INFO] [stderr] | [INFO] [stderr] 174 | result_thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/main.rs:83:27 [INFO] [stderr] | [INFO] [stderr] 83 | .or_else(|err| File::open(file_name)) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/main.rs:255:22 [INFO] [stderr] | [INFO] [stderr] 255 | .filter(|p| path.file_name().and_then(|os_str| os_str.to_str()).unwrap_or("").contains(query.as_str())) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `File` [INFO] [stderr] --> src/main.rs:109:5 [INFO] [stderr] | [INFO] [stderr] 109 | File(String), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | init_logger(matches.value_of("log_level"), matches.value_of("debug_file")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | / File::create(file_name) [INFO] [stderr] 83 | | .or_else(|err| File::open(file_name)) [INFO] [stderr] 84 | | .map(|file| [INFO] [stderr] 85 | | loggers.push(WriteLogger::new(LevelFilter::Debug, Config::default(), file))); [INFO] [stderr] | |_________________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | / next_query [INFO] [stderr] 141 | | .map(|(path, query)| search.search(path, query)); [INFO] [stderr] | |_____________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:167:13 [INFO] [stderr] | [INFO] [stderr] 167 | writer.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:172:9 [INFO] [stderr] | [INFO] [stderr] 172 | query_thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:174:9 [INFO] [stderr] | [INFO] [stderr] 174 | result_thread.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.56s [INFO] running `"docker" "inspect" "71a7d9783ba8a41438c9d569a25f5475ac865ad63852deeaf0ea13574706cc76"` [INFO] running `"docker" "rm" "-f" "71a7d9783ba8a41438c9d569a25f5475ac865ad63852deeaf0ea13574706cc76"` [INFO] [stdout] 71a7d9783ba8a41438c9d569a25f5475ac865ad63852deeaf0ea13574706cc76