[INFO] cloning repository https://github.com/JessJNielsen/advent_of_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JessJNielsen/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4c4d2c580076ea63ef4f419e6826fa727339cea
[INFO] checking JessJNielsen/advent_of_code against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JessJNielsen/advent_of_code
[INFO] finished tweaking git repo https://github.com/JessJNielsen/advent_of_code
[INFO] tweaked toml for git repo https://github.com/JessJNielsen/advent_of_code written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JessJNielsen/advent_of_code on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JessJNielsen/advent_of_code 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.131
[INFO] [stderr]   Downloaded serde_derive v1.0.131
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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] 97a3494dabcdecd3a49b13c67336465be3ee7b380cdb2cf539e6ce478fef6f1e
[INFO] running `Command { std: "docker" "start" "97a3494dabcdecd3a49b13c67336465be3ee7b380cdb2cf539e6ce478fef6f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97a3494dabcdecd3a49b13c67336465be3ee7b380cdb2cf539e6ce478fef6f1e", 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" "97a3494dabcdecd3a49b13c67336465be3ee7b380cdb2cf539e6ce478fef6f1e" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97a3494dabcdecd3a49b13c67336465be3ee7b380cdb2cf539e6ce478fef6f1e", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97a3494dabcdecd3a49b13c67336465be3ee7b380cdb2cf539e6ce478fef6f1e" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking day_07 v0.1.0 (/opt/rustwide/workdir/days/day_07)
[INFO] [stderr]     Checking day_08 v0.1.0 (/opt/rustwide/workdir/days/day_08)
[INFO] [stderr]     Checking day_05 v0.1.0 (/opt/rustwide/workdir/days/day_05)
[INFO] [stderr]     Checking day_04 v0.1.0 (/opt/rustwide/workdir/days/day_04)
[INFO] [stderr]     Checking day_06 v0.1.0 (/opt/rustwide/workdir/days/day_06)
[INFO] [stdout] warning: field `input` is never read
[INFO] [stdout]   --> days/day_08/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct InputEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 32 |     input: Vec<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InputEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input` is never read
[INFO] [stdout]   --> days/day_08/src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct InputEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 32 |     input: Vec<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InputEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&BoardRow` instead of cloning the inner type
[INFO] [stdout]   --> days/day_04/src/lib.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |         for square in &row.clone().squares {
[INFO] [stdout]    |                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         write!(f, "## ## ## ## ##\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let _ = write!(f, "## ## ## ## ##\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         write!(f, "## {} ##\n", board.name);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = write!(f, "## {} ##\n", board.name);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         write!(f, "## ## ## ## ##");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let _ = write!(f, "## ## ## ## ##");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&BingoBoard` instead of cloning the inner type
[INFO] [stdout]   --> days/day_04/src/lib.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         for row in &board.clone().rows {
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             write!(f, "\n{}", row);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let _ = write!(f, "\n{}", row);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&BoardRow` instead of cloning the inner type
[INFO] [stdout]   --> days/day_04/src/lib.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |         for square in &row.clone().squares {
[INFO] [stdout]    |                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         write!(f, "## ## ## ## ##\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let _ = write!(f, "## ## ## ## ##\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         write!(f, "## {} ##\n", board.name);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = write!(f, "## {} ##\n", board.name);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         write!(f, "## ## ## ## ##");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let _ = write!(f, "## ## ## ## ##");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&BingoBoard` instead of cloning the inner type
[INFO] [stdout]   --> days/day_04/src/lib.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 |         for row in &board.clone().rows {
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> days/day_04/src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             write!(f, "\n{}", row);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let _ = write!(f, "\n{}", row);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking day_03 v0.1.0 (/opt/rustwide/workdir/days/day_03)
[INFO] [stderr]     Checking day_02 v0.1.0 (/opt/rustwide/workdir/days/day_02)
[INFO] [stderr]     Checking day_01 v0.1.0 (/opt/rustwide/workdir/days/day_01)
[INFO] [stderr]     Checking taskrunner v0.1.0 (/opt/rustwide/workdir/taskrunner)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `Command { std: "docker" "inspect" "97a3494dabcdecd3a49b13c67336465be3ee7b380cdb2cf539e6ce478fef6f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a3494dabcdecd3a49b13c67336465be3ee7b380cdb2cf539e6ce478fef6f1e", kill_on_drop: false }`
[INFO] [stdout] 97a3494dabcdecd3a49b13c67336465be3ee7b380cdb2cf539e6ce478fef6f1e
