[INFO] cloning repository https://github.com/ivardb/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivardb/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivardb%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivardb%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba07af90afca60b7a62def23a0eec67e001f2ca
[INFO] testing ivardb/AdventOfCode2020 against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivardb%2FAdventOfCode2020" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ivardb/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/ivardb/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/ivardb/AdventOfCode2020 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ivardb/AdventOfCode2020 on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ivardb/AdventOfCode2020 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a
[INFO] running `Command { std: "docker" "start" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling coord_2d v0.2.22
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling direction v0.17.10
[INFO] [stderr]    Compiling grid v0.2.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day16/part1.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day16/part2.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day17/part1.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day17/part2.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&String` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day16/part2.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 match_rule = Some(rule.clone());
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&&String` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day21/part2.rs:32:39
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 match_rule = Some(rule.clone());
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&&&String` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day21/part2.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |         .sorted_by_key(|(k, _v)| k.clone())
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:23:46
[INFO] [stdout]    |
[INFO] [stdout] 23 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:23:96
[INFO] [stdout]    |
[INFO] [stdout] 23 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                                                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:23:164
[INFO] [stdout]    |
[INFO] [stdout] 23 | ..., nxt.get(nxt.get(nxt.get(curr).unwrap()).unwrap()).unwrap().clone()];
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:43:47
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut nxt_node = nxt.get(node1).unwrap().clone();
[INFO] [stdout]    |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:47:46
[INFO] [stdout]    |
[INFO] [stdout] 47 |         nxt_node = nxt.get(nxt_node).unwrap().clone();
[INFO] [stdout]    |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:26:96
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                                                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:26:164
[INFO] [stdout]    |
[INFO] [stdout] 26 | ..., nxt.get(nxt.get(nxt.get(curr).unwrap()).unwrap()).unwrap().clone()];
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let dest = lookup.get(&dest).unwrap().clone();
[INFO] [stdout]    |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:43:40
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let node1 = lookup.get(&1).unwrap().clone();
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:44:43
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let nxt_node = nxt.get(node1).unwrap().clone();
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:45:50
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let nxt_nxt_node = nxt.get(nxt_node).unwrap().clone();
[INFO] [stdout]    |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.67s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day16/part1.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day16/part2.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day17/part1.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day17/part2.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&String` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day16/part2.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 match_rule = Some(rule.clone());
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&&String` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day21/part2.rs:32:39
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 match_rule = Some(rule.clone());
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&&&String` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day21/part2.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |         .sorted_by_key(|(k, _v)| k.clone())
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:23:46
[INFO] [stdout]    |
[INFO] [stdout] 23 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:23:96
[INFO] [stdout]    |
[INFO] [stdout] 23 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                                                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:23:164
[INFO] [stdout]    |
[INFO] [stdout] 23 | ..., nxt.get(nxt.get(nxt.get(curr).unwrap()).unwrap()).unwrap().clone()];
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:43:47
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut nxt_node = nxt.get(node1).unwrap().clone();
[INFO] [stdout]    |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:47:46
[INFO] [stdout]    |
[INFO] [stdout] 47 |         nxt_node = nxt.get(nxt_node).unwrap().clone();
[INFO] [stdout]    |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:26:96
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                                                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:26:164
[INFO] [stdout]    |
[INFO] [stdout] 26 | ..., nxt.get(nxt.get(nxt.get(curr).unwrap()).unwrap()).unwrap().clone()];
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let dest = lookup.get(&dest).unwrap().clone();
[INFO] [stdout]    |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:43:40
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let node1 = lookup.get(&1).unwrap().clone();
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:44:43
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let nxt_node = nxt.get(node1).unwrap().clone();
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:45:50
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let nxt_nxt_node = nxt.get(nxt_node).unwrap().clone();
[INFO] [stdout]    |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day16/part1.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day16/part2.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day17/part1.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tests`
[INFO] [stdout]   --> src/days/day17/part2.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[cfg(tests)]
[INFO] [stdout]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&String` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day16/part2.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 match_rule = Some(rule.clone());
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&&String` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day21/part2.rs:32:39
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 match_rule = Some(rule.clone());
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&&&String` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day21/part2.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |         .sorted_by_key(|(k, _v)| k.clone())
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:23:46
[INFO] [stdout]    |
[INFO] [stdout] 23 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:23:96
[INFO] [stdout]    |
[INFO] [stdout] 23 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                                                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:23:164
[INFO] [stdout]    |
[INFO] [stdout] 23 | ..., nxt.get(nxt.get(nxt.get(curr).unwrap()).unwrap()).unwrap().clone()];
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:43:47
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut nxt_node = nxt.get(node1).unwrap().clone();
[INFO] [stdout]    |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part1.rs:47:46
[INFO] [stdout]    |
[INFO] [stdout] 47 |         nxt_node = nxt.get(nxt_node).unwrap().clone();
[INFO] [stdout]    |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:26:96
[INFO] [stdout]    |
[INFO] [stdout] 26 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stdout]    |                                                                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:26:164
[INFO] [stdout]    |
[INFO] [stdout] 26 | ..., nxt.get(nxt.get(nxt.get(curr).unwrap()).unwrap()).unwrap().clone()];
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let dest = lookup.get(&dest).unwrap().clone();
[INFO] [stdout]    |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:43:40
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let node1 = lookup.get(&1).unwrap().clone();
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:44:43
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let nxt_node = nxt.get(node1).unwrap().clone();
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stdout]   --> src/days/day23/part2.rs:45:50
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let nxt_nxt_node = nxt.get(nxt_node).unwrap().clone();
[INFO] [stdout]    |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `tests`
[INFO] [stderr]   --> src/days/day16/part1.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[cfg(tests)]
[INFO] [stderr]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `tests`
[INFO] [stderr]   --> src/days/day16/part2.rs:58:7
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[cfg(tests)]
[INFO] [stderr]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `tests`
[INFO] [stderr]   --> src/days/day17/part1.rs:36:7
[INFO] [stderr]    |
[INFO] [stderr] 36 | #[cfg(tests)]
[INFO] [stderr]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `tests`
[INFO] [stderr]   --> src/days/day17/part2.rs:44:7
[INFO] [stderr]    |
[INFO] [stderr] 44 | #[cfg(tests)]
[INFO] [stderr]    |       ^^^^^ help: there is a config with a similar name: `test`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tests)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tests)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&String` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day16/part2.rs:38:39
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 match_rule = Some(rule.clone());
[INFO] [stderr]    |                                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&&String` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day21/part2.rs:32:39
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 match_rule = Some(rule.clone());
[INFO] [stderr]    |                                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&&&String` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day21/part2.rs:46:35
[INFO] [stderr]    |
[INFO] [stderr] 46 |         .sorted_by_key(|(k, _v)| k.clone())
[INFO] [stderr]    |                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part1.rs:23:46
[INFO] [stderr]    |
[INFO] [stderr] 23 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part1.rs:23:96
[INFO] [stderr]    |
[INFO] [stderr] 23 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part1.rs:23:164
[INFO] [stderr]    |
[INFO] [stderr] 23 | ..., nxt.get(nxt.get(nxt.get(curr).unwrap()).unwrap()).unwrap().clone()];
[INFO] [stderr]    |                                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part1.rs:43:47
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut nxt_node = nxt.get(node1).unwrap().clone();
[INFO] [stderr]    |                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part1.rs:47:46
[INFO] [stderr]    |
[INFO] [stderr] 47 |         nxt_node = nxt.get(nxt_node).unwrap().clone();
[INFO] [stderr]    |                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part2.rs:26:46
[INFO] [stderr]    |
[INFO] [stderr] 26 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part2.rs:26:96
[INFO] [stderr]    |
[INFO] [stderr] 26 | ...   let removed = [nxt.get(curr).unwrap().clone(), nxt.get(nxt.get(curr).unwrap()).unwrap().clone(), nxt.get(nxt.get(nxt.get(curr)...
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part2.rs:26:164
[INFO] [stderr]    |
[INFO] [stderr] 26 | ..., nxt.get(nxt.get(nxt.get(curr).unwrap()).unwrap()).unwrap().clone()];
[INFO] [stderr]    |                                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part2.rs:38:46
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let dest = lookup.get(&dest).unwrap().clone();
[INFO] [stderr]    |                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part2.rs:43:40
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let node1 = lookup.get(&1).unwrap().clone();
[INFO] [stderr]    |                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part2.rs:44:43
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let nxt_node = nxt.get(node1).unwrap().clone();
[INFO] [stderr]    |                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&Node<i64>` instead of cloning the inner type
[INFO] [stderr]   --> src/days/day23/part2.rs:45:50
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let nxt_nxt_node = nxt.get(nxt_node).unwrap().clone();
[INFO] [stderr]    |                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2020` (lib) generated 19 warnings
[INFO] [stderr] warning: `aoc2020` (lib test) generated 19 warnings (19 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aoc2020-bfe4a4c7f9f854cc)
[INFO] [stdout] 
[INFO] [stdout] running 58 tests
[INFO] [stdout] test days::day10::part2::tests::example1 ... ok
[INFO] [stdout] test days::day10::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day10::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day13::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day13::part2::tests::example ... ok
[INFO] [stdout] test days::day13::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day14::part1::tests::example ... ok
[INFO] [stdout] test days::day12::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day11::part2::tests::example1 ... ok
[INFO] [stdout] test days::day12::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day14::part2::tests::example ... ok
[INFO] [stdout] test days::day15::part1::tests::part2_answer ... ignored
[INFO] [stdout] test days::day13::part1::tests::example ... ok
[INFO] [stdout] test days::day14::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day15::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day18::part2::tests::part1_answer ... ok
[INFO] [stdout] test days::day15::part1::tests::example ... ok
[INFO] [stdout] test days::day18::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day1::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day1::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day20::part1::tests::example ... ok
[INFO] [stdout] test days::day20::part2::tests::example ... ok
[INFO] [stdout] test days::day21::part1::tests::example ... ok
[INFO] [stdout] test days::day19::part1::tests::example ... ok
[INFO] [stdout] test days::day21::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day21::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day22::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day22::part2::tests::example ... ok
[INFO] [stdout] test days::day23::part1::tests::example ... ok
[INFO] [stdout] test days::day23::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day23::part2::tests::part2_answer ... ignored
[INFO] [stdout] test days::day19::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day20::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day2::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day2::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day20::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day3::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day3::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day4::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day5::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day5::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day6::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day6::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day4::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day7::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day8::part1::tests::example ... ok
[INFO] [stdout] test days::day8::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day8::part2::tests::example ... ok
[INFO] [stdout] test days::day8::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day9::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day9::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day14::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day7::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day11::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day11::part1::tests::part1_answer ... ok
[INFO] [stdout] test days::day24::part2::tests::example ... ok
[INFO] [stdout] test days::day24::part2::tests::part2_answer ... ok
[INFO] [stdout] test days::day22::part2::tests::part2_answer ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc2020_runner-66f3be88f047e0b2)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 5.18s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aoc2020
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a", kill_on_drop: false }`
[INFO] [stdout] f9f4b44988ae27be1d90502ca9e2317f06f40a8258af0f62a325eb721f17713a
