[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 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipphe%2Fadvent-of-code-2017" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gipphe/advent-of-code-2017 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-1/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0455cd23c07884ad83b17bf0f831a7a0a7cf5634bb8f055f54bda2fbea10c9e7
[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" "0455cd23c07884ad83b17bf0f831a7a0a7cf5634bb8f055f54bda2fbea10c9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0455cd23c07884ad83b17bf0f831a7a0a7cf5634bb8f055f54bda2fbea10c9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0455cd23c07884ad83b17bf0f831a7a0a7cf5634bb8f055f54bda2fbea10c9e7", kill_on_drop: false }`
[INFO] [stdout] 0455cd23c07884ad83b17bf0f831a7a0a7cf5634bb8f055f54bda2fbea10c9e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a64693b052ff21564eb54ac8f6d27c5bdb4280a803e1731badc33e80eedda4f6
[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" "a64693b052ff21564eb54ac8f6d27c5bdb4280a803e1731badc33e80eedda4f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[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 item '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 item '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 item '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 item '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 31.28s
[INFO] running `Command { std: "docker" "inspect" "a64693b052ff21564eb54ac8f6d27c5bdb4280a803e1731badc33e80eedda4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64693b052ff21564eb54ac8f6d27c5bdb4280a803e1731badc33e80eedda4f6", kill_on_drop: false }`
[INFO] [stdout] a64693b052ff21564eb54ac8f6d27c5bdb4280a803e1731badc33e80eedda4f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] b5326dd7bd6b7310ecb7abb0e00f0b2c22246c540c45396c8d3be81843526579
[INFO] running `Command { std: "docker" "start" "-a" "b5326dd7bd6b7310ecb7abb0e00f0b2c22246c540c45396c8d3be81843526579", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 0.95s
[INFO] running `Command { std: "docker" "inspect" "b5326dd7bd6b7310ecb7abb0e00f0b2c22246c540c45396c8d3be81843526579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5326dd7bd6b7310ecb7abb0e00f0b2c22246c540c45396c8d3be81843526579", kill_on_drop: false }`
[INFO] [stdout] b5326dd7bd6b7310ecb7abb0e00f0b2c22246c540c45396c8d3be81843526579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d259395f0165b828cc8108fb72a4459b18e5260abc476c20580d772e57364696
[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" "d259395f0165b828cc8108fb72a4459b18e5260abc476c20580d772e57364696", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code_2017-119c1fc41ce95d9c
[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 `Command { std: "docker" "inspect" "d259395f0165b828cc8108fb72a4459b18e5260abc476c20580d772e57364696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d259395f0165b828cc8108fb72a4459b18e5260abc476c20580d772e57364696", kill_on_drop: false }`
[INFO] [stdout] d259395f0165b828cc8108fb72a4459b18e5260abc476c20580d772e57364696