Dec 17 12:32:34.113 INFO checking vishusandy/splitter against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 17 12:32:34.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/vishusandy/splitter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 17 12:32:34.581 INFO [stdout] ae2ad0574088a2dff76567aa21d8e7cab78f4172990e9ddaa4db50ceb5a0839f Dec 17 12:32:34.586 INFO running `"docker" "start" "-a" "ae2ad0574088a2dff76567aa21d8e7cab78f4172990e9ddaa4db50ceb5a0839f"` Dec 17 12:32:36.260 INFO [stderr] Checking libc v0.2.30 Dec 17 12:32:36.260 INFO [stderr] Checking thread_local v0.3.4 Dec 17 12:32:37.598 INFO [stderr] Checking memchr v1.0.1 Dec 17 12:32:37.599 INFO [stderr] Checking time v0.1.38 Dec 17 12:32:38.056 INFO [stderr] Checking aho-corasick v0.6.3 Dec 17 12:32:38.928 INFO [stderr] Checking regex v0.2.2 Dec 17 12:32:40.974 INFO [stderr] Checking splitter v0.1.0 (/opt/crater/workdir) Dec 17 12:32:41.156 INFO [stderr] warning: unused import: `BufReader` Dec 17 12:32:41.156 INFO [stderr] --> src/main.rs:9:15 Dec 17 12:32:41.156 INFO [stderr] | Dec 17 12:32:41.156 INFO [stderr] 9 | use std::io::{BufReader, BufRead, BufWriter, Write, Read}; Dec 17 12:32:41.156 INFO [stderr] | ^^^^^^^^^ Dec 17 12:32:41.156 INFO [stderr] | Dec 17 12:32:41.156 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 12:32:41.156 INFO [stderr] Dec 17 12:32:41.156 INFO [stderr] warning: unused import: `std::prelude::*` Dec 17 12:32:41.156 INFO [stderr] --> src/main.rs:11:5 Dec 17 12:32:41.156 INFO [stderr] | Dec 17 12:32:41.156 INFO [stderr] 11 | use std::prelude::*; Dec 17 12:32:41.156 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 17 12:32:41.156 INFO [stderr] Dec 17 12:32:41.156 INFO [stderr] warning: unused import: `StoreFalse` Dec 17 12:32:41.156 INFO [stderr] --> src/main.rs:14:59 Dec 17 12:32:41.156 INFO [stderr] | Dec 17 12:32:41.156 INFO [stderr] 14 | use argparse::{ArgumentParser, Collect, StoreTrue, Store, StoreFalse}; Dec 17 12:32:41.156 INFO [stderr] | ^^^^^^^^^^ Dec 17 12:32:41.156 INFO [stderr] Dec 17 12:32:41.156 INFO [stderr] warning: unused import: `regex::Regex` Dec 17 12:32:41.156 INFO [stderr] --> src/main.rs:15:5 Dec 17 12:32:41.156 INFO [stderr] | Dec 17 12:32:41.156 INFO [stderr] 15 | use regex::Regex; Dec 17 12:32:41.156 INFO [stderr] | ^^^^^^^^^^^^ Dec 17 12:32:41.156 INFO [stderr] Dec 17 12:32:41.184 INFO [stderr] warning: unused import: `BufReader` Dec 17 12:32:41.184 INFO [stderr] --> src/main.rs:9:15 Dec 17 12:32:41.184 INFO [stderr] | Dec 17 12:32:41.184 INFO [stderr] 9 | use std::io::{BufReader, BufRead, BufWriter, Write, Read}; Dec 17 12:32:41.184 INFO [stderr] | ^^^^^^^^^ Dec 17 12:32:41.184 INFO [stderr] | Dec 17 12:32:41.184 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 12:32:41.184 INFO [stderr] Dec 17 12:32:41.184 INFO [stderr] warning: unused import: `std::prelude::*` Dec 17 12:32:41.184 INFO [stderr] --> src/main.rs:11:5 Dec 17 12:32:41.184 INFO [stderr] | Dec 17 12:32:41.184 INFO [stderr] 11 | use std::prelude::*; Dec 17 12:32:41.184 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 17 12:32:41.184 INFO [stderr] Dec 17 12:32:41.184 INFO [stderr] warning: unused import: `StoreFalse` Dec 17 12:32:41.184 INFO [stderr] --> src/main.rs:14:59 Dec 17 12:32:41.184 INFO [stderr] | Dec 17 12:32:41.184 INFO [stderr] 14 | use argparse::{ArgumentParser, Collect, StoreTrue, Store, StoreFalse}; Dec 17 12:32:41.184 INFO [stderr] | ^^^^^^^^^^ Dec 17 12:32:41.184 INFO [stderr] Dec 17 12:32:41.184 INFO [stderr] warning: unused import: `regex::Regex` Dec 17 12:32:41.184 INFO [stderr] --> src/main.rs:15:5 Dec 17 12:32:41.184 INFO [stderr] | Dec 17 12:32:41.184 INFO [stderr] 15 | use regex::Regex; Dec 17 12:32:41.184 INFO [stderr] | ^^^^^^^^^^^^ Dec 17 12:32:41.184 INFO [stderr] Dec 17 12:32:41.245 INFO [stderr] warning: unused import: `BufRead` Dec 17 12:32:41.245 INFO [stderr] --> src/main.rs:9:26 Dec 17 12:32:41.245 INFO [stderr] | Dec 17 12:32:41.245 INFO [stderr] 9 | use std::io::{BufReader, BufRead, BufWriter, Write, Read}; Dec 17 12:32:41.245 INFO [stderr] | ^^^^^^^ Dec 17 12:32:41.245 INFO [stderr] Dec 17 12:32:41.245 INFO [stderr] warning: unused variable: `size` Dec 17 12:32:41.245 INFO [stderr] --> src/main.rs:54:9 Dec 17 12:32:41.245 INFO [stderr] | Dec 17 12:32:41.245 INFO [stderr] 54 | let size = f.read_to_end(&mut b); Dec 17 12:32:41.245 INFO [stderr] | ^^^^ help: consider using `_size` instead Dec 17 12:32:41.245 INFO [stderr] | Dec 17 12:32:41.245 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 17 12:32:41.245 INFO [stderr] Dec 17 12:32:41.245 INFO [stderr] warning: unused variable: `file_path` Dec 17 12:32:41.245 INFO [stderr] --> src/main.rs:137:9 Dec 17 12:32:41.245 INFO [stderr] | Dec 17 12:32:41.245 INFO [stderr] 137 | let file_path = path.parent().unwrap().to_str().unwrap(); Dec 17 12:32:41.245 INFO [stderr] | ^^^^^^^^^ help: consider using `_file_path` instead Dec 17 12:32:41.245 INFO [stderr] Dec 17 12:32:41.256 INFO [stderr] warning: unused import: `BufRead` Dec 17 12:32:41.256 INFO [stderr] --> src/main.rs:9:26 Dec 17 12:32:41.256 INFO [stderr] | Dec 17 12:32:41.256 INFO [stderr] 9 | use std::io::{BufReader, BufRead, BufWriter, Write, Read}; Dec 17 12:32:41.256 INFO [stderr] | ^^^^^^^ Dec 17 12:32:41.256 INFO [stderr] Dec 17 12:32:41.260 INFO [stderr] warning: variable does not need to be mutable Dec 17 12:32:41.260 INFO [stderr] --> src/main.rs:62:9 Dec 17 12:32:41.260 INFO [stderr] | Dec 17 12:32:41.260 INFO [stderr] 62 | let mut text = &contents[..]; Dec 17 12:32:41.260 INFO [stderr] | ----^^^^ Dec 17 12:32:41.260 INFO [stderr] | | Dec 17 12:32:41.260 INFO [stderr] | help: remove this `mut` Dec 17 12:32:41.260 INFO [stderr] | Dec 17 12:32:41.260 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 17 12:32:41.260 INFO [stderr] Dec 17 12:32:41.260 INFO [stderr] warning: function is never used: `is_sep` Dec 17 12:32:41.260 INFO [stderr] --> src/main.rs:18:1 Dec 17 12:32:41.260 INFO [stderr] | Dec 17 12:32:41.260 INFO [stderr] 18 | fn is_sep(r: &str) -> bool { Dec 17 12:32:41.260 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 12:32:41.260 INFO [stderr] | Dec 17 12:32:41.260 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 12:32:41.260 INFO [stderr] Dec 17 12:32:41.260 INFO [stderr] warning: unused variable: `size` Dec 17 12:32:41.260 INFO [stderr] --> src/main.rs:54:9 Dec 17 12:32:41.260 INFO [stderr] | Dec 17 12:32:41.260 INFO [stderr] 54 | let size = f.read_to_end(&mut b); Dec 17 12:32:41.260 INFO [stderr] | ^^^^ help: consider using `_size` instead Dec 17 12:32:41.260 INFO [stderr] | Dec 17 12:32:41.260 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 17 12:32:41.260 INFO [stderr] Dec 17 12:32:41.260 INFO [stderr] warning: unused variable: `file_path` Dec 17 12:32:41.260 INFO [stderr] --> src/main.rs:137:9 Dec 17 12:32:41.260 INFO [stderr] | Dec 17 12:32:41.260 INFO [stderr] 137 | let file_path = path.parent().unwrap().to_str().unwrap(); Dec 17 12:32:41.260 INFO [stderr] | ^^^^^^^^^ help: consider using `_file_path` instead Dec 17 12:32:41.260 INFO [stderr] Dec 17 12:32:41.272 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 12:32:41.272 INFO [stderr] --> src/main.rs:178:9 Dec 17 12:32:41.272 INFO [stderr] | Dec 17 12:32:41.272 INFO [stderr] 178 | o.write(chunk.as_bytes()); Dec 17 12:32:41.272 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 12:32:41.272 INFO [stderr] | Dec 17 12:32:41.272 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 17 12:32:41.272 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 12:32:41.272 INFO [stderr] Dec 17 12:32:41.284 INFO [stderr] warning: variable does not need to be mutable Dec 17 12:32:41.284 INFO [stderr] --> src/main.rs:62:9 Dec 17 12:32:41.284 INFO [stderr] | Dec 17 12:32:41.284 INFO [stderr] 62 | let mut text = &contents[..]; Dec 17 12:32:41.284 INFO [stderr] | ----^^^^ Dec 17 12:32:41.284 INFO [stderr] | | Dec 17 12:32:41.284 INFO [stderr] | help: remove this `mut` Dec 17 12:32:41.284 INFO [stderr] | Dec 17 12:32:41.284 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 17 12:32:41.284 INFO [stderr] Dec 17 12:32:41.284 INFO [stderr] warning: function is never used: `is_sep` Dec 17 12:32:41.284 INFO [stderr] --> src/main.rs:18:1 Dec 17 12:32:41.284 INFO [stderr] | Dec 17 12:32:41.284 INFO [stderr] 18 | fn is_sep(r: &str) -> bool { Dec 17 12:32:41.284 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 12:32:41.284 INFO [stderr] | Dec 17 12:32:41.284 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 12:32:41.284 INFO [stderr] Dec 17 12:32:41.292 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 12:32:41.292 INFO [stderr] --> src/main.rs:178:9 Dec 17 12:32:41.292 INFO [stderr] | Dec 17 12:32:41.292 INFO [stderr] 178 | o.write(chunk.as_bytes()); Dec 17 12:32:41.292 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 12:32:41.292 INFO [stderr] | Dec 17 12:32:41.292 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 17 12:32:41.292 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 12:32:41.292 INFO [stderr] Dec 17 12:32:41.332 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.14s Dec 17 12:32:42.274 INFO running `"docker" "inspect" "ae2ad0574088a2dff76567aa21d8e7cab78f4172990e9ddaa4db50ceb5a0839f"` Dec 17 12:32:42.580 INFO running `"docker" "rm" "-f" "ae2ad0574088a2dff76567aa21d8e7cab78f4172990e9ddaa4db50ceb5a0839f"` Dec 17 12:32:42.824 INFO [stdout] ae2ad0574088a2dff76567aa21d8e7cab78f4172990e9ddaa4db50ceb5a0839f