[INFO] updating cached repository https://github.com/thenixan/aoc-2016
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b238207f2a332c2a6fea7823ffe65f2f4554432f
[INFO] testing thenixan/aoc-2016 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthenixan%2Faoc-2016" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thenixan/aoc-2016 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/thenixan/aoc-2016
[INFO] finished tweaking git repo https://github.com/thenixan/aoc-2016
[INFO] tweaked toml for git repo https://github.com/thenixan/aoc-2016 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/thenixan/aoc-2016 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9089754adbbb528f08dd785041616f4d3ada96eb83231a641f142985973471c4
[INFO] running `"docker" "start" "-a" "9089754adbbb528f08dd785041616f4d3ada96eb83231a641f142985973471c4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling iterslide v1.0.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling aoc-2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `empty_pos`
[INFO] [stderr]   --> src/task_22.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let (empty_pos, empty_meta) = self.empty();
[INFO] [stderr]    |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `"docker" "inspect" "9089754adbbb528f08dd785041616f4d3ada96eb83231a641f142985973471c4"`
[INFO] running `"docker" "rm" "-f" "9089754adbbb528f08dd785041616f4d3ada96eb83231a641f142985973471c4"`
[INFO] [stdout] 9089754adbbb528f08dd785041616f4d3ada96eb83231a641f142985973471c4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b4e350b70e6bd80bade217598d34e9e80245d52cf7c2a250189ac5278e2d21a
[INFO] running `"docker" "start" "-a" "3b4e350b70e6bd80bade217598d34e9e80245d52cf7c2a250189ac5278e2d21a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling aoc-2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `empty_pos`
[INFO] [stderr]   --> src/task_22.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let (empty_pos, empty_meta) = self.empty();
[INFO] [stderr]    |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "3b4e350b70e6bd80bade217598d34e9e80245d52cf7c2a250189ac5278e2d21a"`
[INFO] running `"docker" "rm" "-f" "3b4e350b70e6bd80bade217598d34e9e80245d52cf7c2a250189ac5278e2d21a"`
[INFO] [stdout] 3b4e350b70e6bd80bade217598d34e9e80245d52cf7c2a250189ac5278e2d21a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59f161d973b1bffcba4888cbbab4ff163bf4d0f470fc269ef57356f3a21ecc8c
[INFO] running `"docker" "start" "-a" "59f161d973b1bffcba4888cbbab4ff163bf4d0f470fc269ef57356f3a21ecc8c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `empty_pos`
[INFO] [stdout] 
[INFO] [stderr]   --> src/task_22.rs:63:18
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 63 |             let (empty_pos, empty_meta) = self.empty();
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_pos`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aoc_2016-e408bd4da9a06900
[INFO] running `"docker" "inspect" "59f161d973b1bffcba4888cbbab4ff163bf4d0f470fc269ef57356f3a21ecc8c"`
[INFO] running `"docker" "rm" "-f" "59f161d973b1bffcba4888cbbab4ff163bf4d0f470fc269ef57356f3a21ecc8c"`
[INFO] [stdout] 59f161d973b1bffcba4888cbbab4ff163bf4d0f470fc269ef57356f3a21ecc8c