[INFO] fetching crate csv-groupby 0.8.2...
[INFO] testing csv-groupby-0.8.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate csv-groupby 0.8.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate csv-groupby 0.8.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate csv-groupby 0.8.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate csv-groupby 0.8.2
[INFO] tweaked toml for crates.io crate csv-groupby 0.8.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate csv-groupby 0.8.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.2+zstd.1.4.5` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c092d200d80e364eaec1aa698dd0a1b14a668e7be1ba4a5a5c7b2eb03c352cdb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c092d200d80e364eaec1aa698dd0a1b14a668e7be1ba4a5a5c7b2eb03c352cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c092d200d80e364eaec1aa698dd0a1b14a668e7be1ba4a5a5c7b2eb03c352cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c092d200d80e364eaec1aa698dd0a1b14a668e7be1ba4a5a5c7b2eb03c352cdb", kill_on_drop: false }`
[INFO] [stdout] c092d200d80e364eaec1aa698dd0a1b14a668e7be1ba4a5a5c7b2eb03c352cdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 620653136fd5e282d837efdc5d8e47a6935f10c38a5d2aa8be80ee1aa657cb6e
[INFO] running `Command { std: "docker" "start" "-a" "620653136fd5e282d837efdc5d8e47a6935f10c38a5d2aa8be80ee1aa657cb6e", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.2+zstd.1.4.5` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling strsim v0.8.0
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[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling paste-impl v0.1.17
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling cpu-time v1.0.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling paste v0.1.17
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]    Compiling pcre2-sys v0.2.2
[INFO] [stderr]    Compiling vergen v3.1.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling pcre2 v0.2.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling csv-groupby v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling grep-cli v0.1.5
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling assert_cmd v0.10.2
[INFO] [stderr]    Compiling zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]    Compiling zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]    Compiling jemallocator v0.3.2
[INFO] [stderr]    Compiling jemalloc-ctl v0.3.3
[INFO] [stdout] warning: function is never used: `gettid`
[INFO] [stdout]   --> src/gen.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn gettid() -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mem_metric`
[INFO] [stdout]   --> src/gen.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn mem_metric<'a>(v: usize) -> (f64, &'a str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sig_dig`
[INFO] [stdout]    --> src/gen.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn sig_dig(v: f64, digits: usize) -> String {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mem_metric_digit`
[INFO] [stdout]    --> src/gen.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn mem_metric_digit(v: usize, sig: usize) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greek`
[INFO] [stdout]    --> src/gen.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn greek(v: f64) -> String {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `user_pause`
[INFO] [stdout]    --> src/gen.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn user_pause() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/gen.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 223 |     pub fn new() -> IoSlicerStatus {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fill_buff`
[INFO] [stdout]    --> src/gen.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn fill_buff(handle: &mut dyn Read, buff: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `io_thread_slicer`
[INFO] [stdout]    --> src/gen.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 | pub fn io_thread_slicer(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `caps_to_vec_strings`
[INFO] [stdout]    --> src/gen.rs:379:8
[INFO] [stdout]     |
[INFO] [stdout] 379 | pub fn caps_to_vec_strings(caps: &Captures_pcre2) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subs_from_path_buff`
[INFO] [stdout]    --> src/gen.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub fn subs_from_path_buff(path: &PathBuf, regex: &Option<Regex_pre2>) -> (bool, Vec<String>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `per_file_thread`
[INFO] [stdout]    --> src/gen.rs:402:8
[INFO] [stdout]     |
[INFO] [stdout] 402 | pub fn per_file_thread(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:679:20
[INFO] [stdout]     |
[INFO] [stdout] 679 |             panic!(err_msg);
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 679 |             panic!("{}", err_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 679 |             std::panic::panic_any(err_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:790:20
[INFO] [stdout]     |
[INFO] [stdout] 790 |             panic!(err_msg);
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 790 |             panic!("{}", err_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 790 |             std::panic::panic_any(err_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:875:20
[INFO] [stdout]     |
[INFO] [stdout] 875 |             panic!(err_msg);
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 875 |             panic!("{}", err_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 875 |             std::panic::panic_any(err_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "620653136fd5e282d837efdc5d8e47a6935f10c38a5d2aa8be80ee1aa657cb6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620653136fd5e282d837efdc5d8e47a6935f10c38a5d2aa8be80ee1aa657cb6e", kill_on_drop: false }`
[INFO] [stdout] 620653136fd5e282d837efdc5d8e47a6935f10c38a5d2aa8be80ee1aa657cb6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 266614f174dc6adee0287e0249279f6a1146e4de6f78f3ccd532ee85cd445970
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "266614f174dc6adee0287e0249279f6a1146e4de6f78f3ccd532ee85cd445970", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.2+zstd.1.4.5` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling paste v0.1.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling cpu-time v1.0.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling pcre2-sys v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]    Compiling jemallocator v0.3.2
[INFO] [stderr]    Compiling jemalloc-ctl v0.3.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling pcre2 v0.2.3
[INFO] [stderr]    Compiling zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stdout] warning: function is never used: `gettid`
[INFO] [stdout]   --> src/gen.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn gettid() -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mem_metric`
[INFO] [stdout]   --> src/gen.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn mem_metric<'a>(v: usize) -> (f64, &'a str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sig_dig`
[INFO] [stdout]    --> src/gen.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn sig_dig(v: f64, digits: usize) -> String {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mem_metric_digit`
[INFO] [stdout]    --> src/gen.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn mem_metric_digit(v: usize, sig: usize) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greek`
[INFO] [stdout]    --> src/gen.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn greek(v: f64) -> String {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `user_pause`
[INFO] [stdout]    --> src/gen.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn user_pause() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/gen.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 223 |     pub fn new() -> IoSlicerStatus {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fill_buff`
[INFO] [stdout]    --> src/gen.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn fill_buff(handle: &mut dyn Read, buff: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `io_thread_slicer`
[INFO] [stdout]    --> src/gen.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 | pub fn io_thread_slicer(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `caps_to_vec_strings`
[INFO] [stdout]    --> src/gen.rs:379:8
[INFO] [stdout]     |
[INFO] [stdout] 379 | pub fn caps_to_vec_strings(caps: &Captures_pcre2) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subs_from_path_buff`
[INFO] [stdout]    --> src/gen.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub fn subs_from_path_buff(path: &PathBuf, regex: &Option<Regex_pre2>) -> (bool, Vec<String>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `per_file_thread`
[INFO] [stdout]    --> src/gen.rs:402:8
[INFO] [stdout]     |
[INFO] [stdout] 402 | pub fn per_file_thread(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:679:20
[INFO] [stdout]     |
[INFO] [stdout] 679 |             panic!(err_msg);
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 679 |             panic!("{}", err_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 679 |             std::panic::panic_any(err_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:790:20
[INFO] [stdout]     |
[INFO] [stdout] 790 |             panic!(err_msg);
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 790 |             panic!("{}", err_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 790 |             std::panic::panic_any(err_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:875:20
[INFO] [stdout]     |
[INFO] [stdout] 875 |             panic!(err_msg);
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 875 |             panic!("{}", err_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 875 |             std::panic::panic_any(err_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling grep-cli v0.1.5
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling assert_cmd v0.10.2
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling csv-groupby v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `gettid`
[INFO] [stdout]   --> src/gen.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn gettid() -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greek`
[INFO] [stdout]    --> src/gen.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn greek(v: f64) -> String {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `user_pause`
[INFO] [stdout]    --> src/gen.rs:207:8
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn user_pause() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/gen.rs:223:12
[INFO] [stdout]     |
[INFO] [stdout] 223 |     pub fn new() -> IoSlicerStatus {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fill_buff`
[INFO] [stdout]    --> src/gen.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn fill_buff(handle: &mut dyn Read, buff: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `io_thread_slicer`
[INFO] [stdout]    --> src/gen.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 | pub fn io_thread_slicer(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `caps_to_vec_strings`
[INFO] [stdout]    --> src/gen.rs:379:8
[INFO] [stdout]     |
[INFO] [stdout] 379 | pub fn caps_to_vec_strings(caps: &Captures_pcre2) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `subs_from_path_buff`
[INFO] [stdout]    --> src/gen.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 | pub fn subs_from_path_buff(path: &PathBuf, regex: &Option<Regex_pre2>) -> (bool, Vec<String>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `per_file_thread`
[INFO] [stdout]    --> src/gen.rs:402:8
[INFO] [stdout]     |
[INFO] [stdout] 402 | pub fn per_file_thread(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:679:20
[INFO] [stdout]     |
[INFO] [stdout] 679 |             panic!(err_msg);
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 679 |             panic!("{}", err_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 679 |             std::panic::panic_any(err_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:790:20
[INFO] [stdout]     |
[INFO] [stdout] 790 |             panic!(err_msg);
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 790 |             panic!("{}", err_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 790 |             std::panic::panic_any(err_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:875:20
[INFO] [stdout]     |
[INFO] [stdout] 875 |             panic!(err_msg);
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 875 |             panic!("{}", err_msg);
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 875 |             std::panic::panic_any(err_msg);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.96s
[INFO] running `Command { std: "docker" "inspect" "266614f174dc6adee0287e0249279f6a1146e4de6f78f3ccd532ee85cd445970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266614f174dc6adee0287e0249279f6a1146e4de6f78f3ccd532ee85cd445970", kill_on_drop: false }`
[INFO] [stdout] 266614f174dc6adee0287e0249279f6a1146e4de6f78f3ccd532ee85cd445970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3deaf78b2cac73a18dc08d75456f075468ec1fae0f7fa88c3f2ac138e1a26c7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3deaf78b2cac73a18dc08d75456f075468ec1fae0f7fa88c3f2ac138e1a26c7c", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.5.2+zstd.1.4.5` for dependency `zstd` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:679:20
[INFO] [stderr]     |
[INFO] [stderr] 679 |             panic!(err_msg);
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 679 |             panic!("{}", err_msg);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 679 |             std::panic::panic_any(err_msg);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:790:20
[INFO] [stderr]     |
[INFO] [stderr] 790 |             panic!(err_msg);
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 790 |             panic!("{}", err_msg);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 790 |             std::panic::panic_any(err_msg);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:875:20
[INFO] [stderr]     |
[INFO] [stderr] 875 |             panic!(err_msg);
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 875 |             panic!("{}", err_msg);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 875 |             std::panic::panic_any(err_msg);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gettid`
[INFO] [stderr]   --> src/gen.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn gettid() -> usize {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `greek`
[INFO] [stderr]    --> src/gen.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub fn greek(v: f64) -> String {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `user_pause`
[INFO] [stderr]    --> src/gen.rs:207:8
[INFO] [stderr]     |
[INFO] [stderr] 207 | pub fn user_pause() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/gen.rs:223:12
[INFO] [stderr]     |
[INFO] [stderr] 223 |     pub fn new() -> IoSlicerStatus {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fill_buff`
[INFO] [stderr]    --> src/gen.rs:241:4
[INFO] [stderr]     |
[INFO] [stderr] 241 | fn fill_buff(handle: &mut dyn Read, buff: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `io_thread_slicer`
[INFO] [stderr]    --> src/gen.rs:263:8
[INFO] [stderr]     |
[INFO] [stderr] 263 | 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:379:8
[INFO] [stderr]     |
[INFO] [stderr] 379 | pub fn caps_to_vec_strings(caps: &Captures_pcre2) -> Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `subs_from_path_buff`
[INFO] [stderr]    --> src/gen.rs:389:8
[INFO] [stderr]     |
[INFO] [stderr] 389 | pub fn subs_from_path_buff(path: &PathBuf, regex: &Option<Regex_pre2>) -> (bool, Vec<String>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `per_file_thread`
[INFO] [stderr]    --> src/gen.rs:402:8
[INFO] [stderr]     |
[INFO] [stderr] 402 | pub fn per_file_thread(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:679:20
[INFO] [stderr]     |
[INFO] [stderr] 679 |             panic!(err_msg);
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 679 |             panic!("{}", err_msg);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 679 |             std::panic::panic_any(err_msg);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:790:20
[INFO] [stderr]     |
[INFO] [stderr] 790 |             panic!(err_msg);
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 790 |             panic!("{}", err_msg);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 790 |             std::panic::panic_any(err_msg);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:875:20
[INFO] [stderr]     |
[INFO] [stderr] 875 |             panic!(err_msg);
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 875 |             panic!("{}", err_msg);
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 875 |             std::panic::panic_any(err_msg);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gettid`
[INFO] [stderr]   --> src/gen.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn gettid() -> usize {
[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:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | 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:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | 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:136:8
[INFO] [stderr]     |
[INFO] [stderr] 136 | 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:163:8
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub fn greek(v: f64) -> String {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `user_pause`
[INFO] [stderr]    --> src/gen.rs:207:8
[INFO] [stderr]     |
[INFO] [stderr] 207 | pub fn user_pause() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/gen.rs:223:12
[INFO] [stderr]     |
[INFO] [stderr] 223 |     pub fn new() -> IoSlicerStatus {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fill_buff`
[INFO] [stderr]    --> src/gen.rs:241:4
[INFO] [stderr]     |
[INFO] [stderr] 241 | fn fill_buff(handle: &mut dyn Read, buff: &mut [u8]) -> Result<usize, std::io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `io_thread_slicer`
[INFO] [stderr]    --> src/gen.rs:263:8
[INFO] [stderr]     |
[INFO] [stderr] 263 | 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:379:8
[INFO] [stderr]     |
[INFO] [stderr] 379 | pub fn caps_to_vec_strings(caps: &Captures_pcre2) -> Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `subs_from_path_buff`
[INFO] [stderr]    --> src/gen.rs:389:8
[INFO] [stderr]     |
[INFO] [stderr] 389 | pub fn subs_from_path_buff(path: &PathBuf, regex: &Option<Regex_pre2>) -> (bool, Vec<String>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `per_file_thread`
[INFO] [stderr]    --> src/gen.rs:402:8
[INFO] [stderr]     |
[INFO] [stderr] 402 | pub fn per_file_thread(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/append-ba68b365d0c26a6e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test gen::test_mem_metric_digit ... ok
[INFO] [stdout] test gen::test_distro_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/create_very_large_file-8f7a46e9da9484d2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gb-2c2fdb749f0f51ad)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test gen::test_distro_format ... ok
[INFO] [stdout] test gen::test_mem_metric_digit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quick-b00cee88ddaeb4cb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test gen::test_mem_metric_digit ... ok
[INFO] [stdout] test gen::test_distro_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running src/test.rs (/opt/rustwide/target/debug/deps/general_tests-132e78574d5d1ba4)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::just_write_stdstuff_to_look_at ... ok
[INFO] [stdout] test tests::force_threaded_small_block has been running for over 60 seconds
[INFO] [stdout] test tests::force_threaded_varied_block_size has been running for over 60 seconds
[INFO] [stdout] test tests::force_threaded_varied_block_size_keyones has been running for over 60 seconds
[INFO] [stdout] test tests::force_threaded_varied_block_size_no_final_newline has been running for over 60 seconds
[INFO] [stdout] test tests::re_force_thread_small_block has been running for over 60 seconds
[INFO] [stdout] test tests::re_force_thread_small_block_afile has been running for over 60 seconds
[INFO] [stdout] test tests::run_easy has been running for over 60 seconds
[INFO] [stdout] test tests::write_distros has been running for over 60 seconds
[INFO] [stdout] test tests::re_force_thread_small_block ... ok
[INFO] [stdout] test tests::re_force_thread_small_block_afile ... ok
[INFO] [stdout] test tests::run_easy ... ok
[INFO] [stdout] test tests::write_distros ... ok
[INFO] [stdout] test tests::force_threaded_small_block ... ok
[INFO] [stdout] test tests::force_threaded_varied_block_size_keyones ... ok
[INFO] [stdout] test tests::force_threaded_varied_block_size ... ok
[INFO] [stdout] test tests::force_threaded_varied_block_size_no_final_newline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 156.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3deaf78b2cac73a18dc08d75456f075468ec1fae0f7fa88c3f2ac138e1a26c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3deaf78b2cac73a18dc08d75456f075468ec1fae0f7fa88c3f2ac138e1a26c7c", kill_on_drop: false }`
[INFO] [stdout] 3deaf78b2cac73a18dc08d75456f075468ec1fae0f7fa88c3f2ac138e1a26c7c