[INFO] cloning repository https://github.com/Lyrai/algos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lyrai/algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyrai%2Falgos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyrai%2Falgos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ce08f41e926e41aefd8172bc0556937580d7337
[INFO] checking Lyrai/algos against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyrai%2Falgos" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lyrai/algos
[INFO] finished tweaking git repo https://github.com/Lyrai/algos
[INFO] tweaked toml for git repo https://github.com/Lyrai/algos written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lyrai/algos on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lyrai/algos 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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a13ee2832c4cbc72b1475b68d16cc1b9075ee3b4d72e182b44df5290e4820988
[INFO] running `Command { std: "docker" "start" "-a" "a13ee2832c4cbc72b1475b68d16cc1b9075ee3b4d72e182b44df5290e4820988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a13ee2832c4cbc72b1475b68d16cc1b9075ee3b4d72e182b44df5290e4820988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13ee2832c4cbc72b1475b68d16cc1b9075ee3b4d72e182b44df5290e4820988", kill_on_drop: false }`
[INFO] [stdout] a13ee2832c4cbc72b1475b68d16cc1b9075ee3b4d72e182b44df5290e4820988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44880c91436e315f9aebdca4ac9404ad44d759c18695983ca61aa4cfa90217e8
[INFO] running `Command { std: "docker" "start" "-a" "44880c91436e315f9aebdca4ac9404ad44d759c18695983ca61aa4cfa90217e8", kill_on_drop: false }`
[INFO] [stderr]     Checking untitled6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/algos.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[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::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/algos.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[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::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct GameInfo {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     platform: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     na_sales: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     eu_sales: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 24 |     jp_sales: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     other_sales: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 26 |     global_sales: f64,
[INFO] [stdout] 27 |     critic_score: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 28 |     critic_count: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     user_score: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     user_count: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     developer: Option<String>,
[INFO] [stdout] 32 |     rating: Option<String>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameInfo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn task1(text: &String) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task2` is never used
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn task2(text: &String) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task3` is never used
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn task3(text: &String) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AnagramGroup` is never constructed
[INFO] [stdout]  --> src/anagram.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct AnagramGroup<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `push` are never used
[INFO] [stdout]   --> src/anagram.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl<'a> AnagramGroup<'a> {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout]  7 |     pub fn new(word: &'a str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn push(&mut self, word: &'a str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `qsort2` is never used
[INFO] [stdout]   --> src/algos.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn qsort2(vec: &mut Vec<(String, AnagramGroup)>, begin: usize, end: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `partition2` is never used
[INFO] [stdout]   --> src/algos.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn partition2(vec: &mut Vec<(String, AnagramGroup)>, begin: usize, end: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_words` is never used
[INFO] [stdout]  --> src/misc.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn to_words(str: &String) -> impl Iterator<Item = &str>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_if_name` is never used
[INFO] [stdout]   --> src/misc.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn insert_if_name<'a>(map: &mut HashMap<&'a str, usize>, item: &'a str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `as_anagram` is never used
[INFO] [stdout]   --> src/misc.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn as_anagram(str: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct GameInfo {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     platform: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     na_sales: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     eu_sales: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 24 |     jp_sales: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     other_sales: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 26 |     global_sales: f64,
[INFO] [stdout] 27 |     critic_score: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 28 |     critic_count: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     user_score: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     user_count: Option<f64>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     developer: Option<String>,
[INFO] [stdout] 32 |     rating: Option<String>
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameInfo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn task1(text: &String) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task2` is never used
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn task2(text: &String) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task3` is never used
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn task3(text: &String) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AnagramGroup` is never constructed
[INFO] [stdout]  --> src/anagram.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct AnagramGroup<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `push` are never used
[INFO] [stdout]   --> src/anagram.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl<'a> AnagramGroup<'a> {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout]  7 |     pub fn new(word: &'a str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn push(&mut self, word: &'a str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `qsort2` is never used
[INFO] [stdout]   --> src/algos.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn qsort2(vec: &mut Vec<(String, AnagramGroup)>, begin: usize, end: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `partition2` is never used
[INFO] [stdout]   --> src/algos.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn partition2(vec: &mut Vec<(String, AnagramGroup)>, begin: usize, end: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_words` is never used
[INFO] [stdout]  --> src/misc.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn to_words(str: &String) -> impl Iterator<Item = &str>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_if_name` is never used
[INFO] [stdout]   --> src/misc.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn insert_if_name<'a>(map: &mut HashMap<&'a str, usize>, item: &'a str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `as_anagram` is never used
[INFO] [stdout]   --> src/misc.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn as_anagram(str: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     file.read_to_string(&mut buf);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = file.read_to_string(&mut buf);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     file.read_to_string(&mut buf);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = file.read_to_string(&mut buf);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "44880c91436e315f9aebdca4ac9404ad44d759c18695983ca61aa4cfa90217e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44880c91436e315f9aebdca4ac9404ad44d759c18695983ca61aa4cfa90217e8", kill_on_drop: false }`
[INFO] [stdout] 44880c91436e315f9aebdca4ac9404ad44d759c18695983ca61aa4cfa90217e8