[INFO] fetching crate csv-groupby 0.6.2... [INFO] checking csv-groupby-0.6.2 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate csv-groupby 0.6.2 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate csv-groupby 0.6.2 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate csv-groupby 0.6.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate csv-groupby 0.6.2 [INFO] tweaked toml for crates.io crate csv-groupby 0.6.2 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate crates.io crate csv-groupby 0.6.2 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4896070fe3ad471408aad8d467a7133869c79d8f462f8fa34adc1feca94c724c [INFO] running `"docker" "start" "-a" "4896070fe3ad471408aad8d467a7133869c79d8f462f8fa34adc1feca94c724c"` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling fs_extra v1.1.0 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling winapi v0.3.8 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling pkg-config v0.3.16 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling csv-groupby v0.6.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rgb v0.8.14 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking seahash v3.0.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking ryu v1.0.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Compiling pcre2-sys v0.2.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking cpu-time v0.1.0 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking csv v0.15.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking prettytable-rs v0.6.7 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking crossbeam v0.7.2 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking chan v0.1.23 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking winconsole v0.10.0 [INFO] [stderr] Checking colored v1.8.0 [INFO] [stderr] Checking pcre2 v0.2.2 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling proc-macro-hack v0.5.10 [INFO] [stderr] Compiling structopt-derive v0.3.2 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Checking structopt v0.3.2 [INFO] [stderr] Checking paste v0.1.6 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking globset v0.4.4 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking escargot v0.3.1 [INFO] [stderr] Checking grep-cli v0.1.3 [INFO] [stderr] Checking ignore v0.4.10 [INFO] [stderr] Checking assert_cmd v0.10.2 [INFO] [stderr] Checking jemallocator v0.3.2 [INFO] [stderr] Checking jemalloc-ctl v0.3.3 [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/create_very_large_file.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/create_very_large_file.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buffered` [INFO] [stderr] --> src/create_very_large_file.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut buffered = BufWriter::new(stdout.lock()); [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffered` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/create_very_large_file.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut buffered = BufWriter::new(stdout.lock()); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buffered` [INFO] [stderr] --> src/create_very_large_file.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut buffered = BufWriter::new(stdout.lock()); [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffered` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/create_very_large_file.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut buffered = BufWriter::new(stdout.lock()); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: function is never used: `distro_format` [INFO] [stderr] --> src/gen.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn distro_format(map: &HashMap, upper: usize, bottom: usize) -> String [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mem_metric` [INFO] [stderr] --> src/gen.rs:85:4 [INFO] [stderr] | [INFO] [stderr] 85 | fn mem_metric<'a>(v: usize) -> (f64, &'a str) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sig_dig` [INFO] [stderr] --> src/gen.rs:99:4 [INFO] [stderr] | [INFO] [stderr] 99 | fn sig_dig(v: f64, digits: usize) -> String { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `mem_metric_digit` [INFO] [stderr] --> src/gen.rs:123:8 [INFO] [stderr] | [INFO] [stderr] 123 | pub fn mem_metric_digit(v: usize, sig: usize) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `greek` [INFO] [stderr] --> src/gen.rs:150:8 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn greek(v: f64) -> String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `user_pause` [INFO] [stderr] --> src/gen.rs:193:8 [INFO] [stderr] | [INFO] [stderr] 193 | pub fn user_pause() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/gen.rs:209:5 [INFO] [stderr] | [INFO] [stderr] 209 | pub fn new() -> IoSlicerStatus { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `io_thread_slicer` [INFO] [stderr] --> src/gen.rs:227:8 [INFO] [stderr] | [INFO] [stderr] 227 | pub fn io_thread_slicer( [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `caps_to_vec_strings` [INFO] [stderr] --> src/gen.rs:342:8 [INFO] [stderr] | [INFO] [stderr] 342 | pub fn caps_to_vec_strings(caps: &Captures_pcre2) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `subs_from_path_buff` [INFO] [stderr] --> src/gen.rs:352:8 [INFO] [stderr] | [INFO] [stderr] 352 | pub fn subs_from_path_buff(path: &PathBuf, regex: &Option) -> (bool, Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `per_file_thread` [INFO] [stderr] --> src/gen.rs:365:8 [INFO] [stderr] | [INFO] [stderr] 365 | pub fn per_file_thread( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/main.rs:358:9 [INFO] [stderr] | [INFO] [stderr] 358 | (v + 1.into()) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `greek` [INFO] [stderr] --> src/gen.rs:150:8 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn greek(v: f64) -> String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `user_pause` [INFO] [stderr] --> src/gen.rs:193:8 [INFO] [stderr] | [INFO] [stderr] 193 | pub fn user_pause() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/gen.rs:209:5 [INFO] [stderr] | [INFO] [stderr] 209 | pub fn new() -> IoSlicerStatus { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `io_thread_slicer` [INFO] [stderr] --> src/gen.rs:227:8 [INFO] [stderr] | [INFO] [stderr] 227 | pub fn io_thread_slicer( [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `caps_to_vec_strings` [INFO] [stderr] --> src/gen.rs:342:8 [INFO] [stderr] | [INFO] [stderr] 342 | pub fn caps_to_vec_strings(caps: &Captures_pcre2) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/main.rs:358:9 [INFO] [stderr] | [INFO] [stderr] 358 | (v + 1.into()) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `subs_from_path_buff` [INFO] [stderr] --> src/gen.rs:352:8 [INFO] [stderr] | [INFO] [stderr] 352 | pub fn subs_from_path_buff(path: &PathBuf, regex: &Option) -> (bool, Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `per_file_thread` [INFO] [stderr] --> src/gen.rs:365:8 [INFO] [stderr] | [INFO] [stderr] 365 | pub fn per_file_thread( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 14s [INFO] running `"docker" "inspect" "4896070fe3ad471408aad8d467a7133869c79d8f462f8fa34adc1feca94c724c"` [INFO] running `"docker" "rm" "-f" "4896070fe3ad471408aad8d467a7133869c79d8f462f8fa34adc1feca94c724c"` [INFO] [stdout] 4896070fe3ad471408aad8d467a7133869c79d8f462f8fa34adc1feca94c724c