[INFO] updating cached repository SamSmith7/aoc2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SamSmith7/aoc2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SamSmith7/aoc2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/SamSmith7/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/SamSmith7/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SamSmith7/aoc2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SamSmith7/aoc2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SamSmith7/aoc2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f79752af8949a41b7e1c6a77d7ee871e9391dc30
[INFO] sha for GitHub repo SamSmith7/aoc2018: f79752af8949a41b7e1c6a77d7ee871e9391dc30
[INFO] validating manifest of SamSmith7/aoc2018 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SamSmith7/aoc2018 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SamSmith7/aoc2018
[INFO] finished frobbing SamSmith7/aoc2018
[INFO] frobbed toml for SamSmith7/aoc2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/SamSmith7/aoc2018/Cargo.toml
[INFO] started frobbing SamSmith7/aoc2018
[INFO] finished frobbing SamSmith7/aoc2018
[INFO] frobbed toml for SamSmith7/aoc2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/SamSmith7/aoc2018/Cargo.toml
[INFO] crate SamSmith7/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing SamSmith7/aoc2018 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SamSmith7/aoc2018:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ec76639887867eddf6be83e8d6b214fe68ee4ade5e1928865f7b0c9c21ff07cb
[INFO] running `"docker" "start" "-a" "ec76639887867eddf6be83e8d6b214fe68ee4ade5e1928865f7b0c9c21ff07cb"`
[INFO] [stderr]    Compiling aoc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/day1/mod.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 Err(e) => 0
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/day2/mod.rs:42:18
[INFO] [stderr]    |
[INFO] [stderr] 42 |             for (key, val) in letters.iter() {
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `"docker" "inspect" "ec76639887867eddf6be83e8d6b214fe68ee4ade5e1928865f7b0c9c21ff07cb"`
[INFO] running `"docker" "rm" "-f" "ec76639887867eddf6be83e8d6b214fe68ee4ade5e1928865f7b0c9c21ff07cb"`
[INFO] [stdout] ec76639887867eddf6be83e8d6b214fe68ee4ade5e1928865f7b0c9c21ff07cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SamSmith7/aoc2018:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 231b359d940d07f3e4d667fc48bd49a22451686253305ee1e95b5d220495ae33
[INFO] running `"docker" "start" "-a" "231b359d940d07f3e4d667fc48bd49a22451686253305ee1e95b5d220495ae33"`
[INFO] [stderr]    Compiling aoc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/day1/mod.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 Err(e) => 0
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/day2/mod.rs:42:18
[INFO] [stderr]    |
[INFO] [stderr] 42 |             for (key, val) in letters.iter() {
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "231b359d940d07f3e4d667fc48bd49a22451686253305ee1e95b5d220495ae33"`
[INFO] running `"docker" "rm" "-f" "231b359d940d07f3e4d667fc48bd49a22451686253305ee1e95b5d220495ae33"`
[INFO] [stdout] 231b359d940d07f3e4d667fc48bd49a22451686253305ee1e95b5d220495ae33
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/SamSmith7/aoc2018:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 719f2579771194c4435834184d653eac9d747a438be8aa67f87cdc20c060a467
[INFO] running `"docker" "start" "-a" "719f2579771194c4435834184d653eac9d747a438be8aa67f87cdc20c060a467"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[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] [stderr]      Running /opt/crater/target/debug/deps/aoc2018-b59793a9a0ed997e
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-f0451baaea7e0709
[INFO] [stderr]    Doc-tests aoc2018
[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] [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" "719f2579771194c4435834184d653eac9d747a438be8aa67f87cdc20c060a467"`
[INFO] running `"docker" "rm" "-f" "719f2579771194c4435834184d653eac9d747a438be8aa67f87cdc20c060a467"`
[INFO] [stdout] 719f2579771194c4435834184d653eac9d747a438be8aa67f87cdc20c060a467