[INFO] updating cached repository Gipphe/advent-of-code-2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gipphe/advent-of-code-2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gipphe/advent-of-code-2017" "work/ex/beta-1.38-1/sources/1.37.0/gh/Gipphe/advent-of-code-2017"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Gipphe/advent-of-code-2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gipphe/advent-of-code-2017" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gipphe/advent-of-code-2017"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gipphe/advent-of-code-2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 84c64926d4539c8632fe0b293c41c29fa4a5ffd3
[INFO] sha for GitHub repo Gipphe/advent-of-code-2017: 84c64926d4539c8632fe0b293c41c29fa4a5ffd3
[INFO] validating manifest of Gipphe/advent-of-code-2017 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 Gipphe/advent-of-code-2017 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 Gipphe/advent-of-code-2017
[INFO] finished frobbing Gipphe/advent-of-code-2017
[INFO] frobbed toml for Gipphe/advent-of-code-2017 written to work/ex/beta-1.38-1/sources/1.37.0/gh/Gipphe/advent-of-code-2017/Cargo.toml
[INFO] started frobbing Gipphe/advent-of-code-2017
[INFO] finished frobbing Gipphe/advent-of-code-2017
[INFO] frobbed toml for Gipphe/advent-of-code-2017 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gipphe/advent-of-code-2017/Cargo.toml
[INFO] crate Gipphe/advent-of-code-2017 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 Gipphe/advent-of-code-2017 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gipphe/advent-of-code-2017:/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] 4883d8657ed5c1e4a39fe264734752645da83b523f4c1f45224bae622dc47c8d
[INFO] running `"docker" "start" "-a" "4883d8657ed5c1e4a39fe264734752645da83b523f4c1f45224bae622dc47c8d"`
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling advent-of-code-2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/day_7/mod.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     for child in root.children {
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_child`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sum_weight`
[INFO] [stderr]   --> src/day_7/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn sum_weight(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_wrong_weight`
[INFO] [stderr]    --> src/day_7/mod.rs:134:1
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn find_wrong_weight(root: Program) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.46s
[INFO] running `"docker" "inspect" "4883d8657ed5c1e4a39fe264734752645da83b523f4c1f45224bae622dc47c8d"`
[INFO] running `"docker" "rm" "-f" "4883d8657ed5c1e4a39fe264734752645da83b523f4c1f45224bae622dc47c8d"`
[INFO] [stdout] 4883d8657ed5c1e4a39fe264734752645da83b523f4c1f45224bae622dc47c8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gipphe/advent-of-code-2017:/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] f6d1efc7324bf03342f2b8f655c95aa9df737f3d89823a82632b9a4bd7687b7f
[INFO] running `"docker" "start" "-a" "f6d1efc7324bf03342f2b8f655c95aa9df737f3d89823a82632b9a4bd7687b7f"`
[INFO] [stderr]    Compiling advent-of-code-2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/day_7/mod.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     for child in root.children {
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_child`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sum_weight`
[INFO] [stderr]   --> src/day_7/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn sum_weight(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_wrong_weight`
[INFO] [stderr]    --> src/day_7/mod.rs:134:1
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn find_wrong_weight(root: Program) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "f6d1efc7324bf03342f2b8f655c95aa9df737f3d89823a82632b9a4bd7687b7f"`
[INFO] running `"docker" "rm" "-f" "f6d1efc7324bf03342f2b8f655c95aa9df737f3d89823a82632b9a4bd7687b7f"`
[INFO] [stdout] f6d1efc7324bf03342f2b8f655c95aa9df737f3d89823a82632b9a4bd7687b7f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gipphe/advent-of-code-2017:/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] 9419aa28b675997256fe0111c7bcdc7238e9c22fbb3592d6f0ca3db7e8fe2ca1
[INFO] running `"docker" "start" "-a" "9419aa28b675997256fe0111c7bcdc7238e9c22fbb3592d6f0ca3db7e8fe2ca1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code_2017-51ce8e898989bb8a
[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" "9419aa28b675997256fe0111c7bcdc7238e9c22fbb3592d6f0ca3db7e8fe2ca1"`
[INFO] running `"docker" "rm" "-f" "9419aa28b675997256fe0111c7bcdc7238e9c22fbb3592d6f0ca3db7e8fe2ca1"`
[INFO] [stdout] 9419aa28b675997256fe0111c7bcdc7238e9c22fbb3592d6f0ca3db7e8fe2ca1