[INFO] cloning repository https://github.com/badouralix/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/badouralix/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadouralix%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadouralix%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 543ce39d4eeb7d9d695459ffadca001a8c56386d
[INFO] checking badouralix/advent-of-code-2018 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadouralix%2Fadvent-of-code-2018" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/badouralix/advent-of-code-2018 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/badouralix/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/badouralix/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/badouralix/advent-of-code-2018 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/badouralix/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcb5714e6ecb56403e2148c57da81936b8fb7dd6f947e8df1c81eb49643fd346
[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" "dcb5714e6ecb56403e2148c57da81936b8fb7dd6f947e8df1c81eb49643fd346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb5714e6ecb56403e2148c57da81936b8fb7dd6f947e8df1c81eb49643fd346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb5714e6ecb56403e2148c57da81936b8fb7dd6f947e8df1c81eb49643fd346", kill_on_drop: false }`
[INFO] [stdout] dcb5714e6ecb56403e2148c57da81936b8fb7dd6f947e8df1c81eb49643fd346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea8c5daa4ef5f20455ee2487b2acf96e96f49813068f1f6450c0365736e840b
[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" "6ea8c5daa4ef5f20455ee2487b2acf96e96f49813068f1f6450c0365736e840b", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-02/part-2/remicalixte.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes());
[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 does not need to be mutable
[INFO] [stdout]   --> day-02/part-2/remicalixte.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes());
[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]   --> day-02/part-2/remicalixte.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes());
[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 does not need to be mutable
[INFO] [stdout]   --> day-02/part-2/remicalixte.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes());
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-03/part-1/remicalixte.rs:20:49
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from_string(s: &str) -> Result<Rect, Box<std::error::Error>> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-03/part-1/remicalixte.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .collect::<Result<Vec<Rect>, Box<std::error::Error>>>()
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-03/part-1/remicalixte.rs:20:49
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from_string(s: &str) -> Result<Rect, Box<std::error::Error>> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-03/part-1/remicalixte.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .collect::<Result<Vec<Rect>, Box<std::error::Error>>>()
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> day-03/part-2/remicalixte.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-03/part-2/remicalixte.rs:20:49
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from_string(s: &str) -> Result<Rect, Box<std::error::Error>> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-03/part-2/remicalixte.rs:47:42
[INFO] [stdout]    |
[INFO] [stdout] 47 |         .collect::<Result<Vec<Rect>, Box<std::error::Error>>>()
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-06/part-1/enizor.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     let mut domain_size = domains.entry(index).or_insert(0);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_hashmap`
[INFO] [stdout]   --> day-03/part-1/remicalixte.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn run_hashmap(input: String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> day-03/part-2/remicalixte.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-03/part-2/remicalixte.rs:20:49
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from_string(s: &str) -> Result<Rect, Box<std::error::Error>> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> day-03/part-2/remicalixte.rs:47:42
[INFO] [stdout]    |
[INFO] [stdout] 47 |         .collect::<Result<Vec<Rect>, Box<std::error::Error>>>()
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_hashmap`
[INFO] [stdout]   --> day-03/part-1/remicalixte.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn run_hashmap(input: String) -> String {
[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]   --> day-06/part-1/enizor.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     let mut domain_size = domains.entry(index).or_insert(0);
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "6ea8c5daa4ef5f20455ee2487b2acf96e96f49813068f1f6450c0365736e840b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea8c5daa4ef5f20455ee2487b2acf96e96f49813068f1f6450c0365736e840b", kill_on_drop: false }`
[INFO] [stdout] 6ea8c5daa4ef5f20455ee2487b2acf96e96f49813068f1f6450c0365736e840b