[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] checking christopherjreid/advent-of-code-2020-rust against master#9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9 for pr-124108
[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 9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "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" "+9f432d7b44d5c4ac0ce76fed8315ffac8dcab8f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking christopherjreid/advent-of-code-2020-rust against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christopherjreid/advent-of-code-2020-rust on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "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-tc2/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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking christopherjreid/advent-of-code-2020-rust against try#2e5b7739e5167b731ad5eb628f04a54f932f1fe2 for pr-124108
[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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christopherjreid/advent-of-code-2020-rust on toolchain 2e5b7739e5167b731ad5eb628f04a54f932f1fe2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "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-tc2/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" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6128d6182636965575d2539a01461e0944cff0615c532610081f15ffaba0b027
[INFO] running `Command { std: "docker" "start" "-a" "6128d6182636965575d2539a01461e0944cff0615c532610081f15ffaba0b027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6128d6182636965575d2539a01461e0944cff0615c532610081f15ffaba0b027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6128d6182636965575d2539a01461e0944cff0615c532610081f15ffaba0b027", kill_on_drop: false }`
[INFO] [stdout] 6128d6182636965575d2539a01461e0944cff0615c532610081f15ffaba0b027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2e5b7739e5167b731ad5eb628f04a54f932f1fe2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02d0bc5137dcb631cb64d519feb19adc84b3ce38c15ddbe4d91443dfa7b022a4
[INFO] running `Command { std: "docker" "start" "-a" "02d0bc5137dcb631cb64d519feb19adc84b3ce38c15ddbe4d91443dfa7b022a4", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "02d0bc5137dcb631cb64d519feb19adc84b3ce38c15ddbe4d91443dfa7b022a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d0bc5137dcb631cb64d519feb19adc84b3ce38c15ddbe4d91443dfa7b022a4", kill_on_drop: false }`
[INFO] [stdout] 02d0bc5137dcb631cb64d519feb19adc84b3ce38c15ddbe4d91443dfa7b022a4