[INFO] cloning repository https://github.com/qshadun/aoc2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qshadun/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqshadun%2Faoc2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqshadun%2Faoc2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f78500b836f0748c73b5879c0fda97d0fc9749bd
[INFO] checking qshadun/aoc2018 against try#b152f5575a2ac7126ae0019e4e679abe9399213e for pr-157841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqshadun%2Faoc2018" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qshadun/aoc2018
[INFO] finished tweaking git repo https://github.com/qshadun/aoc2018
[INFO] tweaked toml for git repo https://github.com/qshadun/aoc2018 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qshadun/aoc2018 on toolchain b152f5575a2ac7126ae0019e4e679abe9399213e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qshadun/aoc2018 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" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded regex v1.10.2
[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded regex-automata v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ea01bb74bddfc2339bc2e8252aae2e884b7355dfa0306c14a2c21f03574a68fa
[INFO] running `Command { std: "docker" "start" "ea01bb74bddfc2339bc2e8252aae2e884b7355dfa0306c14a2c21f03574a68fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea01bb74bddfc2339bc2e8252aae2e884b7355dfa0306c14a2c21f03574a68fa" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea01bb74bddfc2339bc2e8252aae2e884b7355dfa0306c14a2c21f03574a68fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea01bb74bddfc2339bc2e8252aae2e884b7355dfa0306c14a2c21f03574a68fa" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking prob20 v0.1.0 (/opt/rustwide/workdir/prob20)
[INFO] [stderr]     Checking prob8 v0.1.0 (/opt/rustwide/workdir/prob8)
[INFO] [stderr]     Checking prob9 v0.1.0 (/opt/rustwide/workdir/prob9)
[INFO] [stderr]     Checking prob22 v0.1.0 (/opt/rustwide/workdir/prob22)
[INFO] [stderr]     Checking prob3 v0.1.0 (/opt/rustwide/workdir/prob3)
[INFO] [stderr]     Checking prob21 v0.1.0 (/opt/rustwide/workdir/prob21)
[INFO] [stderr]     Checking prob12 v0.1.0 (/opt/rustwide/workdir/prob12)
[INFO] [stderr]     Checking prob11 v0.1.0 (/opt/rustwide/workdir/prob11)
[INFO] [stderr]     Checking prob15 v0.1.0 (/opt/rustwide/workdir/prob15)
[INFO] [stderr]     Checking prob25 v0.1.0 (/opt/rustwide/workdir/prob25)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> prob3/src/bin/my1.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Rectangle {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     id: i32,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rectangle` has a derived impl for the trait `Debug`, 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: method `contains` is never used
[INFO] [stdout]   --> prob3/src/bin/my1.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Rectangle {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn contains(&self, x: i32, y: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> prob3/src/bin/my1.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn part1(input: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find `macos` in `os`
[INFO] [stdout]  --> prob12/src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, os::macos::raw::stat};
[INFO] [stdout]   |                                     ^^^^^ could not find `macos` in `os`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/b152f5575a2ac7126ae0019e4e679abe9399213e/library/std/src/os/mod.rs:156:6
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item is gated behind the `macos` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> prob11/src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut ans = (rack * y + serial_number) * rack;
[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: function `part1` is never used
[INFO] [stdout]   --> prob11/src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn part1(grid: &Vec<Vec<i32>>) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> prob3/src/main.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter_points(&self) -> IterPoints {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter_points(&self) -> IterPoints<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> prob9/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[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: `cell::RefCell` and `rc::Rc`
[INFO] [stdout]  --> prob9/src/main.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{cell::RefCell, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ss`
[INFO] [stdout]    --> prob12/src/main.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let ss: String = state.iter().collect();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_ss`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking prob2 v0.1.0 (/opt/rustwide/workdir/prob2)
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr]     Checking prob13 v0.1.0 (/opt/rustwide/workdir/prob13)
[INFO] [stdout] warning: constant `ops` is never used
[INFO] [stdout]   --> prob21/src/main.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | const ops: [&str; 16] = [
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ops` should have an upper case name
[INFO] [stdout]   --> prob21/src/main.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | const ops: [&str; 16] = [
[INFO] [stdout]    |       ^^^ help: convert the identifier to upper case: `OPS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> prob21/src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let A = operands[0];
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> prob21/src/main.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let B = operands[1];
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> prob21/src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let C = operands[2];
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> prob22/src/main.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut part1 = 0;
[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: unused variable: `part1`
[INFO] [stdout]    --> prob22/src/main.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut part1 = 0;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_part1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> prob3/src/main.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter_points(&self) -> IterPoints {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn iter_points(&self) -> IterPoints<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> prob11/src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut ans = (rack * y + serial_number) * rack;
[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: function `part1` is never used
[INFO] [stdout]   --> prob11/src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn part1(grid: &Vec<Vec<i32>>) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking prob14 v0.1.0 (/opt/rustwide/workdir/prob14)
[INFO] [stderr] error: could not compile `prob12` (bin "prob12") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> prob9/src/main.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut before = circle.clockwise(1);
[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: function `part1` is never used
[INFO] [stdout]    --> prob9/src/main.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn part1(num_of_players: usize, last_marble: usize) -> usize {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `elf_count` is never read
[INFO] [stdout]   --> prob15/src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Game {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     elf_count: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has a derived impl for the trait `Debug`, 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 `part1` is never used
[INFO] [stdout]   --> prob14/src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn part1() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `play` and `check_collision` are never used
[INFO] [stdout]    --> prob13/src/main.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl Game {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn play(&mut self) -> (usize, usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn check_collision(&self, i: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `elf_count` is never read
[INFO] [stdout]   --> prob15/src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Game {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     elf_count: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has a derived impl for the trait `Debug`, 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] running `Command { std: "docker" "inspect" "ea01bb74bddfc2339bc2e8252aae2e884b7355dfa0306c14a2c21f03574a68fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea01bb74bddfc2339bc2e8252aae2e884b7355dfa0306c14a2c21f03574a68fa", kill_on_drop: false }`
[INFO] [stdout] ea01bb74bddfc2339bc2e8252aae2e884b7355dfa0306c14a2c21f03574a68fa
