[INFO] cloning repository badouralix/advent-of-code-2018 [INFO] running `"git" "clone" "--bare" "git://github.com/badouralix/advent-of-code-2018.git" "work/cache/sources/gh/badouralix/advent-of-code-2018"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/badouralix/advent-of-code-2018'... [INFO] running `"git" "clone" "work/cache/sources/gh/badouralix/advent-of-code-2018" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/badouralix/advent-of-code-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/badouralix/advent-of-code-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of badouralix/advent-of-code-2018 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-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-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking badouralix/advent-of-code-2018 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/badouralix/advent-of-code-2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6e74333f901613b101da79d5e1626d16b18ad0997e91cc6d8a6403113124fbd2 [INFO] running `"docker" "start" "-a" "6e74333f901613b101da79d5e1626d16b18ad0997e91cc6d8a6403113124fbd2"` [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: 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> { [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::, Box>>() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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: 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: 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> { [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::, Box>>() [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> { [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::, Box>>() [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-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> { [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::, Box>>() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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] Finished dev [unoptimized + debuginfo] target(s) in 7.21s [INFO] running `"docker" "inspect" "6e74333f901613b101da79d5e1626d16b18ad0997e91cc6d8a6403113124fbd2"` [INFO] running `"docker" "rm" "-f" "6e74333f901613b101da79d5e1626d16b18ad0997e91cc6d8a6403113124fbd2"` [INFO] [stdout] 6e74333f901613b101da79d5e1626d16b18ad0997e91cc6d8a6403113124fbd2