[INFO] cloning repository https://github.com/crockeo/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crockeo/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrockeo%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrockeo%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecb30268cfc945d66f6a9c65914ad41c5fa28572
[INFO] testing crockeo/advent-of-code-2020 against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrockeo%2Fadvent-of-code-2020" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crockeo/advent-of-code-2020 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crockeo/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/crockeo/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/crockeo/advent-of-code-2020 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/crockeo/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8afa2934abde281265dcfefa5308ddc1fe0158ecc783adf46dc874ad0b9892c
[INFO] running `Command { std: "docker" "start" "-a" "b8afa2934abde281265dcfefa5308ddc1fe0158ecc783adf46dc874ad0b9892c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8afa2934abde281265dcfefa5308ddc1fe0158ecc783adf46dc874ad0b9892c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8afa2934abde281265dcfefa5308ddc1fe0158ecc783adf46dc874ad0b9892c", kill_on_drop: false }`
[INFO] [stdout] b8afa2934abde281265dcfefa5308ddc1fe0158ecc783adf46dc874ad0b9892c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7585053d5bfcc62b851415efe19ab8e400365f6ee772158f083777633f836343
[INFO] running `Command { std: "docker" "start" "-a" "7585053d5bfcc62b851415efe19ab8e400365f6ee772158f083777633f836343", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/problem_01.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/problem_07.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/problem_07.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expansion_rules`
[INFO] [stdout]   --> src/problem_07.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let expansion_rules = load_expansion_rules(
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expansion_rules`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/problem_07.rs:75:57
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn load_expansion_rules<'a, I: Iterator<Item = String>>(i: I) -> Option<ExpansionRules<'a>> {
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/problem_07.rs:79:28
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn load_expansion_rule<'a>(s: &'a str) -> Option<(&'a str, HashMap<&'a str, i64>)> {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/problem_16.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `country_id` is never read
[INFO] [stdout]   --> src/problem_04.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Passport<'a> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 89 |     country_id: Option<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_contain_target` is never used
[INFO] [stdout]   --> src/problem_07.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn can_contain_target<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_expansion_rule` is never used
[INFO] [stdout]   --> src/problem_07.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn load_expansion_rule<'a>(s: &'a str) -> Option<(&'a str, HashMap<&'a str, i64>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min` and `max` are never read
[INFO] [stdout]   --> src/problem_16.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Range {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 24 |     min: i64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     max: i64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/problem_16.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(min: i64, max: i64) -> Range {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]   --> src/problem_16.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn contains(&self, value: i64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/problem_16.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(ranges: Vec<Range>) -> DisjunctRange {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]   --> src/problem_16.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn contains(&self, value: i64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `are_any_valid` is never used
[INFO] [stdout]   --> src/problem_16.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn are_any_valid(&self, t: &Ticket) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "7585053d5bfcc62b851415efe19ab8e400365f6ee772158f083777633f836343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7585053d5bfcc62b851415efe19ab8e400365f6ee772158f083777633f836343", kill_on_drop: false }`
[INFO] [stdout] 7585053d5bfcc62b851415efe19ab8e400365f6ee772158f083777633f836343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e86836bd62f5cfcb2746523e1a675fe5aa906b90e42b113daec20e629318148
[INFO] running `Command { std: "docker" "start" "-a" "8e86836bd62f5cfcb2746523e1a675fe5aa906b90e42b113daec20e629318148", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/problem_07.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/problem_07.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expansion_rules`
[INFO] [stdout]   --> src/problem_07.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let expansion_rules = load_expansion_rules(
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expansion_rules`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/problem_07.rs:75:57
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn load_expansion_rules<'a, I: Iterator<Item = String>>(i: I) -> Option<ExpansionRules<'a>> {
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/problem_07.rs:79:28
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn load_expansion_rule<'a>(s: &'a str) -> Option<(&'a str, HashMap<&'a str, i64>)> {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/problem_16.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `country_id` is never read
[INFO] [stdout]   --> src/problem_04.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Passport<'a> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 89 |     country_id: Option<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_contain_target` is never used
[INFO] [stdout]   --> src/problem_07.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn can_contain_target<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min` and `max` are never read
[INFO] [stdout]   --> src/problem_16.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Range {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 24 |     min: i64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     max: i64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/problem_16.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn new(min: i64, max: i64) -> Range {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]   --> src/problem_16.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn contains(&self, value: i64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/problem_16.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(ranges: Vec<Range>) -> DisjunctRange {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]   --> src/problem_16.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn contains(&self, value: i64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `are_any_valid` is never used
[INFO] [stdout]   --> src/problem_16.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn are_any_valid(&self, t: &Ticket) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "8e86836bd62f5cfcb2746523e1a675fe5aa906b90e42b113daec20e629318148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e86836bd62f5cfcb2746523e1a675fe5aa906b90e42b113daec20e629318148", kill_on_drop: false }`
[INFO] [stdout] 8e86836bd62f5cfcb2746523e1a675fe5aa906b90e42b113daec20e629318148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fba8f36b0dd6bee4511ea2c97ff536a4faeaa2e7a0b7ab57552127e0a3bf471
[INFO] running `Command { std: "docker" "start" "-a" "8fba8f36b0dd6bee4511ea2c97ff536a4faeaa2e7a0b7ab57552127e0a3bf471", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `lazy_static::lazy_static`
[INFO] [stderr]  --> src/problem_07.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use lazy_static::lazy_static;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/problem_07.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expansion_rules`
[INFO] [stderr]   --> src/problem_07.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let expansion_rules = load_expansion_rules(
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expansion_rules`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/problem_07.rs:75:57
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn load_expansion_rules<'a, I: Iterator<Item = String>>(i: I) -> Option<ExpansionRules<'a>> {
[INFO] [stderr]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/problem_07.rs:79:28
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn load_expansion_rule<'a>(s: &'a str) -> Option<(&'a str, HashMap<&'a str, i64>)> {
[INFO] [stderr]    |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/problem_16.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: field `country_id` is never read
[INFO] [stderr]   --> src/problem_04.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | struct Passport<'a> {
[INFO] [stderr]    |        -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 89 |     country_id: Option<&'a str>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `can_contain_target` is never used
[INFO] [stderr]   --> src/problem_07.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn can_contain_target<'a>(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `min` and `max` are never read
[INFO] [stderr]   --> src/problem_16.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Range {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 24 |     min: i64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 25 |     max: i64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/problem_16.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn new(min: i64, max: i64) -> Range {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `contains` is never used
[INFO] [stderr]   --> src/problem_16.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn contains(&self, value: i64) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/problem_16.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn new(ranges: Vec<Range>) -> DisjunctRange {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `contains` is never used
[INFO] [stderr]   --> src/problem_16.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn contains(&self, value: i64) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `are_any_valid` is never used
[INFO] [stderr]   --> src/problem_16.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn are_any_valid(&self, t: &Ticket) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code-2020` (bin "advent-of-code-2020" test) generated 14 warnings (run `cargo fix --bin "advent-of-code-2020" --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code_2020-47613d9448291404)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test problem_01::tests::test_two_terms ... ok
[INFO] [stdout] test problem_01::tests::test_three_terms ... ok
[INFO] [stdout] test problem_04::test::test_is_valid_eye_color ... ok
[INFO] [stdout] test problem_04::test::test_is_valid_birth_year ... ok
[INFO] [stdout] test problem_03::tests::test_given_input ... ok
[INFO] [stdout] test problem_04::test::test_is_valid_hair_color ... ok
[INFO] [stdout] test problem_04::test::test_invalid ... ok
[INFO] [stdout] test problem_05::test::test_find_seat_failure ... ok
[INFO] [stdout] test problem_05::tests::test_seat_id ... ok
[INFO] [stdout] test problem_05::test::test_find_seat ... ok
[INFO] [stdout] test problem_04::test::test_is_valid_height ... ok
[INFO] [stdout] test problem_15::tests::test_number_game ... ok
[INFO] [stdout] test problem_04::test::test_is_valid_passport_id ... ok
[INFO] [stdout] test problem_04::test::test_valid ... ok
[INFO] [stdout] test problem_07::tests::test_load_expansion_rule ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin advent-of-code-2020`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- problem_07::tests::test_load_expansion_rule stdout ----
[INFO] [stdout] thread 'problem_07::tests::test_load_expansion_rule' panicked at 'not yet implemented', src/problem_07.rs:81:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55deb252669a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55deb252669a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55deb252669a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x55deb252669a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55deb254a57e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x55deb2523b15 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x55deb2526465 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x55deb2526465 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x55deb252822f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x55deb2527eef - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x55deb2372c67 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x55deb2372c67 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x55deb252895d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x55deb252895d - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x55deb2528692 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:581:13
[INFO] [stdout]   15:     0x55deb2526b06 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x55deb25283e2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   17:     0x55deb2326033 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   18:     0x55deb23260cd - core::panicking::panic::h9533b2fee90b999e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:114:5
[INFO] [stdout]   19:     0x55deb233dd0a - advent_of_code_2020::problem_07::load_expansion_rule::heb141542902d8d6b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/problem_07.rs:81:5
[INFO] [stdout]   20:     0x55deb2332698 - advent_of_code_2020::problem_07::tests::test_load_expansion_rule::hb0d429e14a6bd331
[INFO] [stdout]                                at /opt/rustwide/workdir/src/problem_07.rs:90:30
[INFO] [stdout]   21:     0x55deb2332647 - advent_of_code_2020::problem_07::tests::test_load_expansion_rule::{{closure}}::hbda843e4368d6f86
[INFO] [stdout]                                at /opt/rustwide/workdir/src/problem_07.rs:89:35
[INFO] [stdout]   22:     0x55deb233c895 - core::ops::function::FnOnce::call_once::he472d37f83aa5e26
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55deb237804f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55deb237804f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   25:     0x55deb234966c - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   26:     0x55deb234966c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x55deb2377016 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   28:     0x55deb2377016 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x55deb2377016 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   30:     0x55deb2377016 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   31:     0x55deb2377016 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x55deb2377016 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   33:     0x55deb2377016 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   34:     0x55deb2343ce1 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   35:     0x55deb2343ce1 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   36:     0x55deb23496fb - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   37:     0x55deb23496fb - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x55deb23496fb - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   39:     0x55deb23496fb - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   40:     0x55deb23496fb - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:     0x55deb23496fb - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x55deb23496fb - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x55deb252ccc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   44:     0x55deb252ccc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   45:     0x55deb252ccc3 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f38b81cab43 - <unknown>
[INFO] [stdout]   47:     0x7f38b825bbb4 - __clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     problem_07::tests::test_load_expansion_rule
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 14 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8fba8f36b0dd6bee4511ea2c97ff536a4faeaa2e7a0b7ab57552127e0a3bf471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fba8f36b0dd6bee4511ea2c97ff536a4faeaa2e7a0b7ab57552127e0a3bf471", kill_on_drop: false }`
[INFO] [stdout] 8fba8f36b0dd6bee4511ea2c97ff536a4faeaa2e7a0b7ab57552127e0a3bf471
