[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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthenixan%2Faoc-2016" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thenixan/aoc-2016 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-5/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.44.0" "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] 06d253e6be2bf9ee9ecef825aac6d23fe0373958bb4b7edc2777cfe93bb0198f
[INFO] running `"docker" "start" "-a" "06d253e6be2bf9ee9ecef825aac6d23fe0373958bb4b7edc2777cfe93bb0198f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling iterslide v1.0.1
[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 7.80s
[INFO] running `"docker" "inspect" "06d253e6be2bf9ee9ecef825aac6d23fe0373958bb4b7edc2777cfe93bb0198f"`
[INFO] running `"docker" "rm" "-f" "06d253e6be2bf9ee9ecef825aac6d23fe0373958bb4b7edc2777cfe93bb0198f"`
[INFO] [stdout] 06d253e6be2bf9ee9ecef825aac6d23fe0373958bb4b7edc2777cfe93bb0198f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.44.0" "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] 0dd16dccf72fdf5d74f489a677e0b589436b7ecd28c216b3cc9f54e6aa222ec1
[INFO] running `"docker" "start" "-a" "0dd16dccf72fdf5d74f489a677e0b589436b7ecd28c216b3cc9f54e6aa222ec1"`
[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 1.55s
[INFO] running `"docker" "inspect" "0dd16dccf72fdf5d74f489a677e0b589436b7ecd28c216b3cc9f54e6aa222ec1"`
[INFO] running `"docker" "rm" "-f" "0dd16dccf72fdf5d74f489a677e0b589436b7ecd28c216b3cc9f54e6aa222ec1"`
[INFO] [stdout] 0dd16dccf72fdf5d74f489a677e0b589436b7ecd28c216b3cc9f54e6aa222ec1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.44.0" "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] 5a2a738f661473c01a9a891a57b0cf32e3d0749c6a3a0f5165c0e5d7ea533cb7
[INFO] running `"docker" "start" "-a" "5a2a738f661473c01a9a891a57b0cf32e3d0749c6a3a0f5165c0e5d7ea533cb7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aoc_2016-73e0ad651cb1df95
[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" "5a2a738f661473c01a9a891a57b0cf32e3d0749c6a3a0f5165c0e5d7ea533cb7"`
[INFO] running `"docker" "rm" "-f" "5a2a738f661473c01a9a891a57b0cf32e3d0749c6a3a0f5165c0e5d7ea533cb7"`
[INFO] [stdout] 5a2a738f661473c01a9a891a57b0cf32e3d0749c6a3a0f5165c0e5d7ea533cb7