[INFO] updating cached repository prmejc/AdventOfCode2016
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/prmejc/AdventOfCode2016
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/prmejc/AdventOfCode2016" "work/ex/beta-1.37-6/sources/1.36.0/gh/prmejc/AdventOfCode2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/prmejc/AdventOfCode2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/prmejc/AdventOfCode2016" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/prmejc/AdventOfCode2016"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/prmejc/AdventOfCode2016'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d2e234183a18b10b1e47e2ab22f4ae6cfc6253f
[INFO] sha for GitHub repo prmejc/AdventOfCode2016: 5d2e234183a18b10b1e47e2ab22f4ae6cfc6253f
[INFO] validating manifest of prmejc/AdventOfCode2016 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of prmejc/AdventOfCode2016 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing prmejc/AdventOfCode2016
[INFO] finished frobbing prmejc/AdventOfCode2016
[INFO] frobbed toml for prmejc/AdventOfCode2016 written to work/ex/beta-1.37-6/sources/1.36.0/gh/prmejc/AdventOfCode2016/Cargo.toml
[INFO] started frobbing prmejc/AdventOfCode2016
[INFO] finished frobbing prmejc/AdventOfCode2016
[INFO] frobbed toml for prmejc/AdventOfCode2016 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/prmejc/AdventOfCode2016/Cargo.toml
[INFO] crate prmejc/AdventOfCode2016 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing prmejc/AdventOfCode2016 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/prmejc/AdventOfCode2016:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 47f9e7a4e1a4440993e88a40dc7d5ff6611555d21411e334ca72ad733d1d61b0
[INFO] running `"docker" "start" "-a" "47f9e7a4e1a4440993e88a40dc7d5ff6611555d21411e334ca72ad733d1d61b0"`
[INFO] [stderr]    Compiling advent2016 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `checksum`
[INFO] [stderr]   --> src/day4.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 |   let checksum = room.split("[").last().unwrap().replace("]","");
[INFO] [stderr]    |       ^^^^^^^^ help: consider prefixing with an underscore: `_checksum`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]  --> src/day4.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn part1(){
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_a_room`
[INFO] [stderr]   --> src/day4.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn is_a_room(room: &str) -> (bool, i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "47f9e7a4e1a4440993e88a40dc7d5ff6611555d21411e334ca72ad733d1d61b0"`
[INFO] running `"docker" "rm" "-f" "47f9e7a4e1a4440993e88a40dc7d5ff6611555d21411e334ca72ad733d1d61b0"`
[INFO] [stdout] 47f9e7a4e1a4440993e88a40dc7d5ff6611555d21411e334ca72ad733d1d61b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/prmejc/AdventOfCode2016:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 68592f3114a6f5a42a2e213279fe815d1a3d286ef1743705d8cf1a720570af6d
[INFO] running `"docker" "start" "-a" "68592f3114a6f5a42a2e213279fe815d1a3d286ef1743705d8cf1a720570af6d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent2016 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `checksum`
[INFO] [stderr]   --> src/day4.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 |   let checksum = room.split("[").last().unwrap().replace("]","");
[INFO] [stderr]    |       ^^^^^^^^ help: consider prefixing with an underscore: `_checksum`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]  --> src/day4.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn part1(){
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_a_room`
[INFO] [stderr]   --> src/day4.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn is_a_room(room: &str) -> (bool, i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "68592f3114a6f5a42a2e213279fe815d1a3d286ef1743705d8cf1a720570af6d"`
[INFO] running `"docker" "rm" "-f" "68592f3114a6f5a42a2e213279fe815d1a3d286ef1743705d8cf1a720570af6d"`
[INFO] [stdout] 68592f3114a6f5a42a2e213279fe815d1a3d286ef1743705d8cf1a720570af6d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/prmejc/AdventOfCode2016:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 8633be96c537a1bb1effae3b55a5bd3057e67533261ac3cea64575976b468564
[INFO] running `"docker" "start" "-a" "8633be96c537a1bb1effae3b55a5bd3057e67533261ac3cea64575976b468564"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent2016-7c11d708b4b1867c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8633be96c537a1bb1effae3b55a5bd3057e67533261ac3cea64575976b468564"`
[INFO] running `"docker" "rm" "-f" "8633be96c537a1bb1effae3b55a5bd3057e67533261ac3cea64575976b468564"`
[INFO] [stdout] 8633be96c537a1bb1effae3b55a5bd3057e67533261ac3cea64575976b468564