[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/f4c4d2c580076ea63ef4f419e6826fa727339cea against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJessJNielsen%2Fadvent_of_code" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JessJNielsen/advent_of_code on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4-tc1/source/Cargo.toml [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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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] 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_derive v1.0.131 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7085729b218e477a88c7ef94d02d02f001843b10fac0984d494c5ada2df58d3 [INFO] running `Command { std: "docker" "start" "-a" "e7085729b218e477a88c7ef94d02d02f001843b10fac0984d494c5ada2df58d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7085729b218e477a88c7ef94d02d02f001843b10fac0984d494c5ada2df58d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7085729b218e477a88c7ef94d02d02f001843b10fac0984d494c5ada2df58d3", kill_on_drop: false }` [INFO] [stdout] e7085729b218e477a88c7ef94d02d02f001843b10fac0984d494c5ada2df58d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21f7d11910e65dd58320f528f28b7073ca9dafd9679bae035c2fba91577da147 [INFO] running `Command { std: "docker" "start" "-a" "21f7d11910e65dd58320f528f28b7073ca9dafd9679bae035c2fba91577da147", 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] 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 unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde_derive v1.0.131 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.131 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking either v1.6.1 [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] [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, [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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, [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking day_06 v0.1.0 (/opt/rustwide/workdir/days/day_06) [INFO] [stderr] Checking day_04 v0.1.0 (/opt/rustwide/workdir/days/day_04) [INFO] [stderr] Checking day_05 v0.1.0 (/opt/rustwide/workdir/days/day_05) [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)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [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)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [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_01 v0.1.0 (/opt/rustwide/workdir/days/day_01) [INFO] [stderr] Checking day_02 v0.1.0 (/opt/rustwide/workdir/days/day_02) [INFO] [stderr] Checking taskrunner v0.1.0 (/opt/rustwide/workdir/taskrunner) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.10s [INFO] running `Command { std: "docker" "inspect" "21f7d11910e65dd58320f528f28b7073ca9dafd9679bae035c2fba91577da147", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21f7d11910e65dd58320f528f28b7073ca9dafd9679bae035c2fba91577da147", kill_on_drop: false }` [INFO] [stdout] 21f7d11910e65dd58320f528f28b7073ca9dafd9679bae035c2fba91577da147