[INFO] updating cached repository ralphrecto/advent-of-code
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ralphrecto/advent-of-code
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ralphrecto/advent-of-code" "work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/ralphrecto/advent-of-code"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/ralphrecto/advent-of-code'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ralphrecto/advent-of-code" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/ralphrecto/advent-of-code"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/ralphrecto/advent-of-code'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3854da8857bc6941fd8eb93b33f5a1e7ce922e86
[INFO] sha for GitHub repo ralphrecto/advent-of-code: 3854da8857bc6941fd8eb93b33f5a1e7ce922e86
[INFO] validating manifest of ralphrecto/advent-of-code on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ralphrecto/advent-of-code on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ralphrecto/advent-of-code
[INFO] finished frobbing ralphrecto/advent-of-code
[INFO] frobbed toml for ralphrecto/advent-of-code written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/ralphrecto/advent-of-code/Cargo.toml
[INFO] started frobbing ralphrecto/advent-of-code
[INFO] finished frobbing ralphrecto/advent-of-code
[INFO] frobbed toml for ralphrecto/advent-of-code written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/ralphrecto/advent-of-code/Cargo.toml
[INFO] crate ralphrecto/advent-of-code has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ralphrecto/advent-of-code against try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-3/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/ralphrecto/advent-of-code:/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" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b10484af896439ed9e75e3c86b1958c72266d4a9ad851bc50537ef7146242be6
[INFO] running `"docker" "start" "-a" "b10484af896439ed9e75e3c86b1958c72266d4a9ad851bc50537ef7146242be6"`
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/day1.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |             if (seen.contains(&rolling)) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/day3.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/day2.rs:53:51
[INFO] [stderr]    |
[INFO] [stderr] 53 |                                 .filter(|&(c_idx, c)| idx != c_idx)
[INFO] [stderr]    |                                                   ^ help: consider using `_c` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]  --> src/day1.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn pt1(lines: &Vec<String>) -> () {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/day1.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn pt2(lines: &Vec<String>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day1.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/day2.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run() -> () {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `within`
[INFO] [stderr]   --> src/day3.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn within(x: i32, y: i32, claim: &Claim) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersects`
[INFO] [stderr]   --> src/day3.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn intersects(a: &Claim, b: &Claim) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]   --> src/day3.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn pt1(claims: &Vec<Claim>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/day1.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |             if (seen.contains(&rolling)) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/day3.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/day2.rs:53:51
[INFO] [stderr]    |
[INFO] [stderr] 53 |                                 .filter(|&(c_idx, c)| idx != c_idx)
[INFO] [stderr]    |                                                   ^ help: consider using `_c` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]  --> src/day1.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn pt1(lines: &Vec<String>) -> () {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/day1.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn pt2(lines: &Vec<String>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/day1.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn run() -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/day2.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run() -> () {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]   --> src/day3.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn pt1(claims: &Vec<Claim>) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "b10484af896439ed9e75e3c86b1958c72266d4a9ad851bc50537ef7146242be6"`
[INFO] running `"docker" "rm" "-f" "b10484af896439ed9e75e3c86b1958c72266d4a9ad851bc50537ef7146242be6"`
[INFO] [stdout] b10484af896439ed9e75e3c86b1958c72266d4a9ad851bc50537ef7146242be6