[INFO] cloning repository https://github.com/zdcthomas/advent_rs_20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zdcthomas/advent_rs_20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdcthomas%2Fadvent_rs_20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdcthomas%2Fadvent_rs_20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ff36b2c561fdc6833807516b8f602058ad00a53
[INFO] checking zdcthomas/advent_rs_20 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdcthomas%2Fadvent_rs_20" "/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/zdcthomas/advent_rs_20 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zdcthomas/advent_rs_20
[INFO] finished tweaking git repo https://github.com/zdcthomas/advent_rs_20
[INFO] tweaked toml for git repo https://github.com/zdcthomas/advent_rs_20 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zdcthomas/advent_rs_20 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24188919a1353675069dae20159ec41d990bf595bb363e3d34fcc056b19ea5d5
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[INFO] running `Command { std: "docker" "inspect" "24188919a1353675069dae20159ec41d990bf595bb363e3d34fcc056b19ea5d5", kill_on_drop: false }`
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[INFO] [stdout] 24188919a1353675069dae20159ec41d990bf595bb363e3d34fcc056b19ea5d5
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dcb421bd3214710064b05dbfa7d1eb5febacebb2f204a1e17aab6690dfc4549
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[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking day_2 v0.0.0 (/opt/rustwide/workdir/day_2)
[INFO] [stderr]     Checking day_1 v0.0.0 (/opt/rustwide/workdir/day_1)
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stdout] warning: function `sample_input` is never used
[INFO] [stdout]   --> day_1/src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn sample_input() -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sample_input` is never used
[INFO] [stdout]  --> day_2/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sample_input() -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day_5 v0.0.0 (/opt/rustwide/workdir/day_5)
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking day_3 v0.0.0 (/opt/rustwide/workdir/day_3)
[INFO] [stdout] warning: function `get_id` is never used
[INFO] [stdout]  --> day_5/src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn get_id(location: &str) -> u32 {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_missing_seat` is never used
[INFO] [stdout]   --> day_5/src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn find_missing_seat() -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_row` is never used
[INFO] [stdout]   --> day_5/src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn get_row(location: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]   --> day_5/src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn get_column(location: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `half_round_up` is never used
[INFO] [stdout]   --> day_5/src/lib.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn half_round_up(i: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get` is never used
[INFO] [stdout]   --> day_5/src/lib.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn get(location: &str, lower: char, upper: char, highest: u32) -> u32 {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> day_5/src/lib.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |               character => panic!(format!(
[INFO] [stdout]    |  _________________________________^
[INFO] [stdout] 49 | |                 "unexpected char in get_column, {:?}\nExpected either {}, or {}",
[INFO] [stdout] 50 | |                 character, upper, lower
[INFO] [stdout] 51 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 48 ~             character => panic!(
[INFO] [stdout] 49 |                 "unexpected char in get_column, {:?}\nExpected either {}, or {}",
[INFO] [stdout] 50 |                 character, upper, lower
[INFO] [stdout] 51 ~             ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> day_5/src/lib.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |               character => panic!(format!(
[INFO] [stdout]    |  _________________________________^
[INFO] [stdout] 49 | |                 "unexpected char in get_column, {:?}\nExpected either {}, or {}",
[INFO] [stdout] 50 | |                 character, upper, lower
[INFO] [stdout] 51 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 48 ~             character => panic!(
[INFO] [stdout] 49 |                 "unexpected char in get_column, {:?}\nExpected either {}, or {}",
[INFO] [stdout] 50 |                 character, upper, lower
[INFO] [stdout] 51 ~             ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sample_data` is never used
[INFO] [stdout]  --> day_3/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sample_data() -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `input` is never used
[INFO] [stdout]   --> day_3/src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn input() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]    --> day_3/src/lib.rs:351:4
[INFO] [stdout]     |
[INFO] [stdout] 351 | fn run(input: Vec<String>, rise: usize, run: usize) -> u32 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking day_4 v0.0.0 (/opt/rustwide/workdir/day_4)
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> day_4/src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn run(raw: String) -> u32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Valid` is never used
[INFO] [stdout]   --> day_4/src/lib.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | trait Valid {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Byr(BirthYear),
[INFO] [stdout]    |     --- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Byr(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Iyr(IssueYear),
[INFO] [stdout]    |     --- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Iyr(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Eyr(ExpirationYear),
[INFO] [stdout]    |     --- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Eyr(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Hgt(Height),
[INFO] [stdout]    |     --- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Hgt(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     Hcl(HairColor),
[INFO] [stdout]    |     --- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 67 |     Hcl(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Ecl(EyeColor),
[INFO] [stdout]    |     --- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Ecl(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Pid(PassportId),
[INFO] [stdout]    |     --- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Pid(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct BirthYear {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 76 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BirthYear` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct IssueYear {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 80 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IssueYear` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct ExpirationYear {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 84 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExpirationYear` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | struct HairColor {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 88 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HairColor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct Height {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 92 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Height` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> day_4/src/lib.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct EyeColor {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 97 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EyeColor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> day_4/src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct PassportId {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 101 |     value: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PassportId` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `year_between` is never used
[INFO] [stdout]    --> day_4/src/lib.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn year_between(year: &str, earliest: u32, latest: u32) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `valid_colors` is never used
[INFO] [stdout]    --> day_4/src/lib.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 171 | impl EyeColor {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 172 |     pub fn valid_colors() -> Vec<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_all_fields` is never used
[INFO] [stdout]    --> day_4/src/lib.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn check_all_fields(input: Vec<String>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking benchmarks v0.0.0 (/opt/rustwide/workdir/benchmarks)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.71s
[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 3`
[INFO] running `Command { std: "docker" "inspect" "7dcb421bd3214710064b05dbfa7d1eb5febacebb2f204a1e17aab6690dfc4549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcb421bd3214710064b05dbfa7d1eb5febacebb2f204a1e17aab6690dfc4549", kill_on_drop: false }`
[INFO] [stdout] 7dcb421bd3214710064b05dbfa7d1eb5febacebb2f204a1e17aab6690dfc4549