[INFO] cloning repository https://github.com/bczhc/rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bczhc/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbczhc%2Frust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbczhc%2Frust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0504ddab8093f0c4818594669e7c506cc58a6fc0 [INFO] checking bczhc/rust against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbczhc%2Frust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bczhc/rust on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bczhc/rust [INFO] finished tweaking git repo https://github.com/bczhc/rust [INFO] tweaked toml for git repo https://github.com/bczhc/rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/bczhc/rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", 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] c26d9affd19300bb6e8959eac22a023f6732b8290f85982254c3fdef79c87bf4 [INFO] running `Command { std: "docker" "start" "-a" "c26d9affd19300bb6e8959eac22a023f6732b8290f85982254c3fdef79c87bf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c26d9affd19300bb6e8959eac22a023f6732b8290f85982254c3fdef79c87bf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c26d9affd19300bb6e8959eac22a023f6732b8290f85982254c3fdef79c87bf4", kill_on_drop: false }` [INFO] [stdout] c26d9affd19300bb6e8959eac22a023f6732b8290f85982254c3fdef79c87bf4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a26ccfb33b0dde0f47408396e717badd908bc6d3287c10ac2664fda3205d5202 [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" "a26ccfb33b0dde0f47408396e717badd908bc6d3287c10ac2664fda3205d5202", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking lib v1.0.0 (/opt/rustwide/workdir/lib) [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking size_format v1.0.2 [INFO] [stderr] Checking rust v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufReader`, `ErrorKind` [INFO] [stdout] --> src/shuffle_string.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{stdin, BufReader, Read, ErrorKind}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::f64::consts::PI` [INFO] [stdout] --> src/demo.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::f64::consts::PI; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lib::complex_num::ComplexValueF64` [INFO] [stdout] --> src/demo.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use lib::complex_num::ComplexValueF64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ComplexFunction`, `IntegralCalculator` [INFO] [stdout] --> src/demo.rs:5:42 [INFO] [stdout] | [INFO] [stdout] 5 | use lib::complex_num::complex_integral::{IntegralCalculator, ComplexFunction}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lib::utf8::get_utf8_size` [INFO] [stdout] --> src/demo.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use lib::utf8::get_utf8_size; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/demo.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/demo.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/shuffle_string.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let mut stdin = &mut stdin as &mut dyn Read; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/reverse.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, ErrorKind, stdin}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::f64::consts::PI` [INFO] [stdout] --> src/demo.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::f64::consts::PI; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/reverse.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | let mut i = (chars.len() - 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lib::complex_num::ComplexValueF64` [INFO] [stdout] --> src/demo.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use lib::complex_num::ComplexValueF64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ComplexFunction`, `IntegralCalculator` [INFO] [stdout] --> src/demo.rs:5:42 [INFO] [stdout] | [INFO] [stdout] 5 | use lib::complex_num::complex_integral::{IntegralCalculator, ComplexFunction}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lib::utf8::get_utf8_size` [INFO] [stdout] --> src/demo.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use lib::utf8::get_utf8_size; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/demo.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::args` [INFO] [stdout] --> src/demo.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env::args; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/reverse.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Read, ErrorKind, stdin}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/reverse.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | let mut i = (chars.len() - 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SizeFormatter` [INFO] [stdout] --> src/stdin_size.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use size_format::{SizeFormatter, SizeFormatterBinary}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/reverse.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | let mut stdin = &mut stdin as &mut dyn Read; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader`, `ErrorKind` [INFO] [stdout] --> src/shuffle_string.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{stdin, BufReader, Read, ErrorKind}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SizeFormatter` [INFO] [stdout] --> src/stdin_size.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use size_format::{SizeFormatter, SizeFormatterBinary}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_settings` is never read [INFO] [stdout] --> src/demo.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | let mut new_settings = init_termios_struct(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/demo.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | let mut stored_settings = init_termios_struct(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/reverse.rs:47:17 [INFO] [stdout] | [INFO] [stdout] 47 | let mut stdin = &mut stdin as &mut dyn Read; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/demo.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | return unsafe { s.as_ptr() as *const libc::c_char }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `str_to_c_char_ptr` [INFO] [stdout] --> src/demo.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn str_to_c_char_ptr(s: &str) -> *const libc::c_char { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_settings` is never read [INFO] [stdout] --> src/demo.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | let mut new_settings = init_termios_struct(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/demo.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | let mut stored_settings = init_termios_struct(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/demo.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | return unsafe { s.as_ptr() as *const libc::c_char }; [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `str_to_c_char_ptr` [INFO] [stdout] --> src/demo.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn str_to_c_char_ptr(s: &str) -> *const libc::c_char { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/shuffle_string.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let mut stdin = &mut stdin as &mut dyn Read; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `input_stream` is assigned to, but never used [INFO] [stdout] --> src/utf_converter.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut input_stream: &dyn Read = &stdin(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_input_stream` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `output_stream` is assigned to, but never used [INFO] [stdout] --> src/utf_converter.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut output_stream: &dyn Write = &stdout(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_output_stream` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `buffer_size` is assigned to, but never used [INFO] [stdout] --> src/utf_converter.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut buffer_size: i64 = 8192; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_buffer_size` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `buffer_size` is never read [INFO] [stdout] --> src/utf_converter.rs:60:21 [INFO] [stdout] | [INFO] [stdout] 60 | buffer_size = v; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `input_stream` is never read [INFO] [stdout] --> src/utf_converter.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | input_stream = &File::open(path).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `output_stream` is never read [INFO] [stdout] --> src/utf_converter.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | output_stream = &File::open(path).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `input_stream` is assigned to, but never used [INFO] [stdout] --> src/utf_converter.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut input_stream: &dyn Read = &stdin(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_input_stream` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `output_stream` is assigned to, but never used [INFO] [stdout] --> src/utf_converter.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut output_stream: &dyn Write = &stdout(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_output_stream` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `buffer_size` is assigned to, but never used [INFO] [stdout] --> src/utf_converter.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut buffer_size: i64 = 8192; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_buffer_size` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `buffer_size` is never read [INFO] [stdout] --> src/utf_converter.rs:60:21 [INFO] [stdout] | [INFO] [stdout] 60 | buffer_size = v; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `input_stream` is never read [INFO] [stdout] --> src/utf_converter.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | input_stream = &File::open(path).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `output_stream` is never read [INFO] [stdout] --> src/utf_converter.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | output_stream = &File::open(path).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.52s [INFO] running `Command { std: "docker" "inspect" "a26ccfb33b0dde0f47408396e717badd908bc6d3287c10ac2664fda3205d5202", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a26ccfb33b0dde0f47408396e717badd908bc6d3287c10ac2664fda3205d5202", kill_on_drop: false }` [INFO] [stdout] a26ccfb33b0dde0f47408396e717badd908bc6d3287c10ac2664fda3205d5202