[INFO] cloning repository https://github.com/Gipphe/advent-of-code-2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gipphe/advent-of-code-2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipphe%2Fadvent-of-code-2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipphe%2Fadvent-of-code-2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84c64926d4539c8632fe0b293c41c29fa4a5ffd3
[INFO] testing Gipphe/advent-of-code-2017 against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipphe%2Fadvent-of-code-2017" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gipphe/advent-of-code-2017 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gipphe/advent-of-code-2017
[INFO] finished tweaking git repo https://github.com/Gipphe/advent-of-code-2017
[INFO] tweaked toml for git repo https://github.com/Gipphe/advent-of-code-2017 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Gipphe/advent-of-code-2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f62009f0fd023365ac664ead87ebaf3117d00ba556227d5a2284dfafa3ceba3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f62009f0fd023365ac664ead87ebaf3117d00ba556227d5a2284dfafa3ceba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f62009f0fd023365ac664ead87ebaf3117d00ba556227d5a2284dfafa3ceba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f62009f0fd023365ac664ead87ebaf3117d00ba556227d5a2284dfafa3ceba3", kill_on_drop: false }`
[INFO] [stdout] 8f62009f0fd023365ac664ead87ebaf3117d00ba556227d5a2284dfafa3ceba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7460ec02d190c46dd9c9ddad28799a409ddac55a493ca7f2ced7e2ed0c422f07
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7460ec02d190c46dd9c9ddad28799a409ddac55a493ca7f2ced7e2ed0c422f07", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[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/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day_7/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     lazy_static! {
[INFO] [stdout] 25 | |         static ref CHILDREN: Regex = Regex::new(r"-> (?P<children>.+)$").unwrap();
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day_7/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref NAME: Regex = Regex::new(r"^(\w+)").unwrap();
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day_7/mod.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     lazy_static! {
[INFO] [stdout] 84 | |         static ref NAME_AND_WEIGHT: Regex = Regex::new(r"^(?P<name>\w+) \((?P<weight>\d+)\)").unwrap();
[INFO] [stdout] 85 | |         static ref CHILDREN: Regex = Regex::new(r"-> (?P<children>.+)$").unwrap();
[INFO] [stdout] 86 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day_7/mod.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     lazy_static! {
[INFO] [stdout] 84 | |         static ref NAME_AND_WEIGHT: Regex = Regex::new(r"^(?P<name>\w+) \((?P<weight>\d+)\)").unwrap();
[INFO] [stdout] 85 | |         static ref CHILDREN: Regex = Regex::new(r"-> (?P<children>.+)$").unwrap();
[INFO] [stdout] 86 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/day_7/mod.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for child in root.children {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_weight`
[INFO] [stdout]   --> src/day_7/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn sum_weight(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_wrong_weight`
[INFO] [stdout]    --> src/day_7/mod.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn find_wrong_weight(root: Program) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.11s
[INFO] running `Command { std: "docker" "inspect" "7460ec02d190c46dd9c9ddad28799a409ddac55a493ca7f2ced7e2ed0c422f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7460ec02d190c46dd9c9ddad28799a409ddac55a493ca7f2ced7e2ed0c422f07", kill_on_drop: false }`
[INFO] [stdout] 7460ec02d190c46dd9c9ddad28799a409ddac55a493ca7f2ced7e2ed0c422f07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d37a440015e48de6649ec910f9beda70f6f9a7ce7f84e45d4cf7e4c1d1e1cfd0
[INFO] running `Command { std: "docker" "start" "-a" "d37a440015e48de6649ec910f9beda70f6f9a7ce7f84e45d4cf7e4c1d1e1cfd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day_7/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     lazy_static! {
[INFO] [stdout] 25 | |         static ref CHILDREN: Regex = Regex::new(r"-> (?P<children>.+)$").unwrap();
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day_7/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref NAME: Regex = Regex::new(r"^(\w+)").unwrap();
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day_7/mod.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     lazy_static! {
[INFO] [stdout] 84 | |         static ref NAME_AND_WEIGHT: Regex = Regex::new(r"^(?P<name>\w+) \((?P<weight>\d+)\)").unwrap();
[INFO] [stdout] 85 | |         static ref CHILDREN: Regex = Regex::new(r"-> (?P<children>.+)$").unwrap();
[INFO] [stdout] 86 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/day_7/mod.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | /     lazy_static! {
[INFO] [stdout] 84 | |         static ref NAME_AND_WEIGHT: Regex = Regex::new(r"^(?P<name>\w+) \((?P<weight>\d+)\)").unwrap();
[INFO] [stdout] 85 | |         static ref CHILDREN: Regex = Regex::new(r"-> (?P<children>.+)$").unwrap();
[INFO] [stdout] 86 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/day_7/mod.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     for child in root.children {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_weight`
[INFO] [stdout]   --> src/day_7/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn sum_weight(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_wrong_weight`
[INFO] [stdout]    --> src/day_7/mod.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn find_wrong_weight(root: Program) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "d37a440015e48de6649ec910f9beda70f6f9a7ce7f84e45d4cf7e4c1d1e1cfd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37a440015e48de6649ec910f9beda70f6f9a7ce7f84e45d4cf7e4c1d1e1cfd0", kill_on_drop: false }`
[INFO] [stdout] d37a440015e48de6649ec910f9beda70f6f9a7ce7f84e45d4cf7e4c1d1e1cfd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d384e2b4a5a3984ee0524c71c51a628ef3fddc3a11d547546f08099099648507
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d384e2b4a5a3984ee0524c71c51a628ef3fddc3a11d547546f08099099648507", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/day_7/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     lazy_static! {
[INFO] [stderr] 25 | |         static ref CHILDREN: Regex = Regex::new(r"-> (?P<children>.+)$").unwrap();
[INFO] [stderr] 26 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/day_7/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | /     lazy_static! {
[INFO] [stderr] 40 | |         static ref NAME: Regex = Regex::new(r"^(\w+)").unwrap();
[INFO] [stderr] 41 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/day_7/mod.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | /     lazy_static! {
[INFO] [stderr] 84 | |         static ref NAME_AND_WEIGHT: Regex = Regex::new(r"^(?P<name>\w+) \((?P<weight>\d+)\)").unwrap();
[INFO] [stderr] 85 | |         static ref CHILDREN: Regex = Regex::new(r"-> (?P<children>.+)$").unwrap();
[INFO] [stderr] 86 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/day_7/mod.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | /     lazy_static! {
[INFO] [stderr] 84 | |         static ref NAME_AND_WEIGHT: Regex = Regex::new(r"^(?P<name>\w+) \((?P<weight>\d+)\)").unwrap();
[INFO] [stderr] 85 | |         static ref CHILDREN: Regex = Regex::new(r"-> (?P<children>.+)$").unwrap();
[INFO] [stderr] 86 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[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: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sum_weight`
[INFO] [stderr]   --> src/day_7/mod.rs:14:8
[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:134:4
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn find_wrong_weight(root: Program) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code_2017-3c54d8cd2c1b26b7
[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 `Command { std: "docker" "inspect" "d384e2b4a5a3984ee0524c71c51a628ef3fddc3a11d547546f08099099648507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d384e2b4a5a3984ee0524c71c51a628ef3fddc3a11d547546f08099099648507", kill_on_drop: false }`
[INFO] [stdout] d384e2b4a5a3984ee0524c71c51a628ef3fddc3a11d547546f08099099648507