[INFO] updating cached repository badouralix/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/badouralix/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/badouralix/advent-of-code-2018" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/badouralix/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/badouralix/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/badouralix/advent-of-code-2018" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/badouralix/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/badouralix/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a9df1754343b31c67518392247e96572415e434
[INFO] sha for GitHub repo badouralix/advent-of-code-2018: 4a9df1754343b31c67518392247e96572415e434
[INFO] validating manifest of badouralix/advent-of-code-2018 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of badouralix/advent-of-code-2018 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing badouralix/advent-of-code-2018
[INFO] finished frobbing badouralix/advent-of-code-2018
[INFO] frobbed toml for badouralix/advent-of-code-2018 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/badouralix/advent-of-code-2018/Cargo.toml
[INFO] started frobbing badouralix/advent-of-code-2018
[INFO] finished frobbing badouralix/advent-of-code-2018
[INFO] frobbed toml for badouralix/advent-of-code-2018 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/badouralix/advent-of-code-2018/Cargo.toml
[INFO] crate badouralix/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking badouralix/advent-of-code-2018 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/badouralix/advent-of-code-2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3cca571c25dcfc174cede27f4e16d40ce47a7834935bb5b3381e3e2fcd52cd4d
[INFO] running `"docker" "start" "-a" "3cca571c25dcfc174cede27f4e16d40ce47a7834935bb5b3381e3e2fcd52cd4d"`
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day-06/part-1/enizor.rs:71:25
[INFO] [stderr]    |
[INFO] [stderr] 71 |                     let mut domain_size = domains.entry(index).or_insert(0);
[INFO] [stderr]    |                         ----^^^^^^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day-02/part-2/remicalixte.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes());
[INFO] [stderr]    |                  ----^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day-02/part-2/remicalixte.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes());
[INFO] [stderr]    |                             ----^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]  --> day-03/part-2/remicalixte.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-03/part-2/remicalixte.rs:20:49
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn from_string(s: &str) -> Result<Rect, Box<std::error::Error>> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-03/part-2/remicalixte.rs:47:42
[INFO] [stderr]    |
[INFO] [stderr] 47 |         .collect::<Result<Vec<Rect>, Box<std::error::Error>>>()
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]  --> day-03/part-2/remicalixte.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-03/part-2/remicalixte.rs:20:49
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn from_string(s: &str) -> Result<Rect, Box<std::error::Error>> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-03/part-2/remicalixte.rs:47:42
[INFO] [stderr]    |
[INFO] [stderr] 47 |         .collect::<Result<Vec<Rect>, Box<std::error::Error>>>()
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-03/part-1/remicalixte.rs:20:49
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn from_string(s: &str) -> Result<Rect, Box<std::error::Error>> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-03/part-1/remicalixte.rs:50:42
[INFO] [stderr]    |
[INFO] [stderr] 50 |         .collect::<Result<Vec<Rect>, Box<std::error::Error>>>()
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_hashmap`
[INFO] [stderr]   --> day-03/part-1/remicalixte.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn run_hashmap(input: String) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day-06/part-1/enizor.rs:71:25
[INFO] [stderr]    |
[INFO] [stderr] 71 |                     let mut domain_size = domains.entry(index).or_insert(0);
[INFO] [stderr]    |                         ----^^^^^^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day-02/part-2/remicalixte.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes());
[INFO] [stderr]    |                  ----^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day-02/part-2/remicalixte.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let (mut byte1, mut byte2) = (lines[i].as_bytes(), lines[j].as_bytes());
[INFO] [stderr]    |                             ----^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-03/part-1/remicalixte.rs:20:49
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn from_string(s: &str) -> Result<Rect, Box<std::error::Error>> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> day-03/part-1/remicalixte.rs:50:42
[INFO] [stderr]    |
[INFO] [stderr] 50 |         .collect::<Result<Vec<Rect>, Box<std::error::Error>>>()
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_hashmap`
[INFO] [stderr]   --> day-03/part-1/remicalixte.rs:78:1
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn run_hashmap(input: String) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.35s
[INFO] running `"docker" "inspect" "3cca571c25dcfc174cede27f4e16d40ce47a7834935bb5b3381e3e2fcd52cd4d"`
[INFO] running `"docker" "rm" "-f" "3cca571c25dcfc174cede27f4e16d40ce47a7834935bb5b3381e3e2fcd52cd4d"`
[INFO] [stdout] 3cca571c25dcfc174cede27f4e16d40ce47a7834935bb5b3381e3e2fcd52cd4d