[INFO] cloning repository https://github.com/Necoo33/chtxt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Necoo33/chtxt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNecoo33%2Fchtxt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNecoo33%2Fchtxt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbcf93b5abe21da1ecc905303b1ca8c509d75884
[INFO] checking Necoo33/chtxt against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNecoo33%2Fchtxt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Necoo33/chtxt
[INFO] finished tweaking git repo https://github.com/Necoo33/chtxt
[INFO] tweaked toml for git repo https://github.com/Necoo33/chtxt written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Necoo33/chtxt on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Necoo33/chtxt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef1b8998e2dcd09827413f7798f36ff4b62d44a3fe188857f6ba922c990444dd
[INFO] running `Command { std: "docker" "start" "-a" "ef1b8998e2dcd09827413f7798f36ff4b62d44a3fe188857f6ba922c990444dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef1b8998e2dcd09827413f7798f36ff4b62d44a3fe188857f6ba922c990444dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1b8998e2dcd09827413f7798f36ff4b62d44a3fe188857f6ba922c990444dd", kill_on_drop: false }`
[INFO] [stdout] ef1b8998e2dcd09827413f7798f36ff4b62d44a3fe188857f6ba922c990444dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06e8a010eb5d2f591d825cd70a48ee260a3e53f25a038671f4c7876211a13671
[INFO] running `Command { std: "docker" "start" "-a" "06e8a010eb5d2f591d825cd70a48ee260a3e53f25a038671f4c7876211a13671", kill_on_drop: false }`
[INFO] [stderr]     Checking models v0.1.0 (/opt/rustwide/workdir/models)
[INFO] [stderr]     Checking replacer v0.1.0 (/opt/rustwide/workdir/replacer)
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> replacer/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> replacer/src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> replacer/src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ChangeString` and `ChangeSubject`
[INFO] [stdout]  --> replacer/src/lib.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use models::{ChangeString, ChangeSubject, ChangeStatus};
[INFO] [stdout]   |              ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> replacer/src/lib.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let mut get_string = String::from_utf8_lossy(&buffer);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> replacer/src/lib.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let mut get_from: String = from.clone();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> replacer/src/lib.rs:233:29
[INFO] [stdout]     |
[INFO] [stdout] 233 |                         let mut from_length = get_from.chars().count();
[INFO] [stdout]     |                             ----^^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> replacer/src/lib.rs:288:26
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     Some(mut last) => {
[INFO] [stdout]     |                          ----^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> replacer/src/lib.rs:289:29
[INFO] [stdout]     |
[INFO] [stdout] 289 |                         let mut last_as_bytes = last.as_bytes().to_vec();
[INFO] [stdout]     |                             ----^^^^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> replacer/src/lib.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         let mut last_count = 0;
[INFO] [stdout]     |                             ----^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_count`
[INFO] [stdout]    --> replacer/src/lib.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         let mut last_count = 0;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `replace_in_buffer` is never used
[INFO] [stdout]    --> replacer/src/lib.rs:411:4
[INFO] [stdout]     |
[INFO] [stdout] 411 | fn replace_in_buffer(buffer: &mut Vec<u8>, from: &[u8], to: &[u8]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking convert-some-text-with-other v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/main.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                     ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/main.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                     ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:643:9
[INFO] [stdout]     |
[INFO] [stdout] 643 |         _ => println!("Not implemented yet!")
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:643:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         ChangeSubject::All => {
[INFO] [stdout]     |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 373 |         ChangeSubject::AllForwardDir(forward) => {
[INFO] [stdout]     |         ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 420 |         ChangeSubject::Singular(singular) => {
[INFO] [stdout]     |         --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 465 |         ChangeSubject::AllBackDir(back_dirs) => {
[INFO] [stdout]     |         ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 643 |         _ => println!("Not implemented yet!")
[INFO] [stdout]     |         ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:643:9
[INFO] [stdout]     |
[INFO] [stdout] 643 |         _ => println!("Not implemented yet!")
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:643:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         ChangeSubject::All => {
[INFO] [stdout]     |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 373 |         ChangeSubject::AllForwardDir(forward) => {
[INFO] [stdout]     |         ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 420 |         ChangeSubject::Singular(singular) => {
[INFO] [stdout]     |         --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 465 |         ChangeSubject::AllBackDir(back_dirs) => {
[INFO] [stdout]     |         ------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 643 |         _ => println!("Not implemented yet!")
[INFO] [stdout]     |         ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "06e8a010eb5d2f591d825cd70a48ee260a3e53f25a038671f4c7876211a13671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e8a010eb5d2f591d825cd70a48ee260a3e53f25a038671f4c7876211a13671", kill_on_drop: false }`
[INFO] [stdout] 06e8a010eb5d2f591d825cd70a48ee260a3e53f25a038671f4c7876211a13671
