[INFO] cloning repository https://github.com/christopherjreid/advent-of-code-2020-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christopherjreid/advent-of-code-2020-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjreid%2Fadvent-of-code-2020-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjreid%2Fadvent-of-code-2020-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9badd54218f6aba22e26878d56dc32e84b9f23a7
[INFO] building christopherjreid/advent-of-code-2020-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjreid%2Fadvent-of-code-2020-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christopherjreid/advent-of-code-2020-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christopherjreid/advent-of-code-2020-rust
[INFO] finished tweaking git repo https://github.com/christopherjreid/advent-of-code-2020-rust
[INFO] tweaked toml for git repo https://github.com/christopherjreid/advent-of-code-2020-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/christopherjreid/advent-of-code-2020-rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8691059d5af6b5448d9b9d917b071a7e5669b2622e85a7802b78e984ca802ba4
[INFO] running `Command { std: "docker" "start" "-a" "8691059d5af6b5448d9b9d917b071a7e5669b2622e85a7802b78e984ca802ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8691059d5af6b5448d9b9d917b071a7e5669b2622e85a7802b78e984ca802ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8691059d5af6b5448d9b9d917b071a7e5669b2622e85a7802b78e984ca802ba4", kill_on_drop: false }`
[INFO] [stdout] 8691059d5af6b5448d9b9d917b071a7e5669b2622e85a7802b78e984ca802ba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51100a2972a03597f5c518f759f67c7e29c92c9f63baeafdb79d098d2cd49f3
[INFO] running `Command { std: "docker" "start" "-a" "e51100a2972a03597f5c518f759f67c7e29c92c9f63baeafdb79d098d2cd49f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[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: `HexColor`
[INFO] [stdout]  --> src/days_of_advent/day04/passport_validator.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::passport::{Height, HeightUnits, HexColor, Passport};
[INFO] [stdout]   |                                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hair_color` is never read
[INFO] [stdout]   --> src/days_of_advent/day04/passport.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct Passport {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub hair_color: HexColor,
[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: fields `eye_color` and `passport_id_length` are never read
[INFO] [stdout]   --> src/days_of_advent/day04/passport_validator.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct StrictPassportValidator {
[INFO] [stdout]    |            ----------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub eye_color: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 13 |     pub passport_id_length: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/days_of_advent/day06/mod.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let shortest_line = group_response.clone().lines().min_by(|l1, l2| l1.len().cmp(&l2.len())).unwrap();
[INFO] [stdout]    |                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.80s
[INFO] running `Command { std: "docker" "inspect" "e51100a2972a03597f5c518f759f67c7e29c92c9f63baeafdb79d098d2cd49f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51100a2972a03597f5c518f759f67c7e29c92c9f63baeafdb79d098d2cd49f3", kill_on_drop: false }`
[INFO] [stdout] e51100a2972a03597f5c518f759f67c7e29c92c9f63baeafdb79d098d2cd49f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7584d30206b393943f4141016487e8a847d0af65ee400662364969bcab3386b4
[INFO] running `Command { std: "docker" "start" "-a" "7584d30206b393943f4141016487e8a847d0af65ee400662364969bcab3386b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/days_of_advent/day08/mod.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let result = deserializer.deserialize(&input);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hair_color` is never read
[INFO] [stdout]   --> src/days_of_advent/day04/passport.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct Passport {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub hair_color: HexColor,
[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: fields `eye_color` and `passport_id_length` are never read
[INFO] [stdout]   --> src/days_of_advent/day04/passport_validator.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct StrictPassportValidator {
[INFO] [stdout]    |            ----------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub eye_color: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 13 |     pub passport_id_length: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/days_of_advent/day06/mod.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let shortest_line = group_response.clone().lines().min_by(|l1, l2| l1.len().cmp(&l2.len())).unwrap();
[INFO] [stdout]    |                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "7584d30206b393943f4141016487e8a847d0af65ee400662364969bcab3386b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7584d30206b393943f4141016487e8a847d0af65ee400662364969bcab3386b4", kill_on_drop: false }`
[INFO] [stdout] 7584d30206b393943f4141016487e8a847d0af65ee400662364969bcab3386b4