[INFO] cloning repository https://github.com/sebosborn/advent_of_code_2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebosborn/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebosborn%2Fadvent_of_code_2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebosborn%2Fadvent_of_code_2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4882086993d88b5352c2218078d6ed9a7812e9fc [INFO] checking sebosborn/advent_of_code_2020 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebosborn%2Fadvent_of_code_2020" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sebosborn/advent_of_code_2020 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sebosborn/advent_of_code_2020 [INFO] finished tweaking git repo https://github.com/sebosborn/advent_of_code_2020 [INFO] tweaked toml for git repo https://github.com/sebosborn/advent_of_code_2020 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/sebosborn/advent_of_code_2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8af9f5313bc7c777c57e2dd6e6af9949878e52cb71cd82e2ae0ed00b7ca06bb9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8af9f5313bc7c777c57e2dd6e6af9949878e52cb71cd82e2ae0ed00b7ca06bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8af9f5313bc7c777c57e2dd6e6af9949878e52cb71cd82e2ae0ed00b7ca06bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8af9f5313bc7c777c57e2dd6e6af9949878e52cb71cd82e2ae0ed00b7ca06bb9", kill_on_drop: false }` [INFO] [stdout] 8af9f5313bc7c777c57e2dd6e6af9949878e52cb71cd82e2ae0ed00b7ca06bb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0296bd6e53568d24b58ae6f6706696a98025241b64c526b6ceb22a9c5ef2cc45 [INFO] running `Command { std: "docker" "start" "-a" "0296bd6e53568d24b58ae6f6706696a98025241b64c526b6ceb22a9c5ef2cc45", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/encoding_error.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | x -= (contig.len() - 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/encoding_error.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | x -= (contig.len() - 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/passport_processing.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 95 | Some(x) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/passport_processing.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 119 | Some(x) => match passport.get("ecl").unwrap().as_str() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/passport_processing.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | Some(x) => valid = valid, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:52:18 [INFO] [stdout] | [INFO] [stdout] 52 | 1920..=2002 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:56:18 [INFO] [stdout] | [INFO] [stdout] 56 | 2010..=2020 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | 2020..=2030 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | 150..=193 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:87:16 [INFO] [stdout] | [INFO] [stdout] 87 | 59..=76 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:105:18 [INFO] [stdout] | [INFO] [stdout] 105 | ... Ok(_x) => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/passport_processing.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 95 | Some(x) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:120:63 [INFO] [stdout] | [INFO] [stdout] 120 | "amb" | "blu" | "brn" | "gry" | "grn" | "hzl" | "oth" => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/passport_processing.rs:119:8 [INFO] [stdout] | [INFO] [stdout] 119 | Some(x) => match passport.get("ecl").unwrap().as_str() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/passport_processing.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | Some(x) => valid = valid, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:128:14 [INFO] [stdout] | [INFO] [stdout] 128 | Some(x) => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:139:14 [INFO] [stdout] | [INFO] [stdout] 139 | Ok(_x) => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:52:18 [INFO] [stdout] | [INFO] [stdout] 52 | 1920..=2002 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:56:18 [INFO] [stdout] | [INFO] [stdout] 56 | 2010..=2020 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | 2020..=2030 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | 150..=193 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:87:16 [INFO] [stdout] | [INFO] [stdout] 87 | 59..=76 => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:105:18 [INFO] [stdout] | [INFO] [stdout] 105 | ... Ok(_x) => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:120:63 [INFO] [stdout] | [INFO] [stdout] 120 | "amb" | "blu" | "brn" | "gry" | "grn" | "hzl" | "oth" => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:128:14 [INFO] [stdout] | [INFO] [stdout] 128 | Some(x) => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: useless assignment of variable of type `bool` to itself [INFO] [stdout] --> src/passport_processing.rs:139:14 [INFO] [stdout] | [INFO] [stdout] 139 | Ok(_x) => valid = valid, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.99s [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0296bd6e53568d24b58ae6f6706696a98025241b64c526b6ceb22a9c5ef2cc45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0296bd6e53568d24b58ae6f6706696a98025241b64c526b6ceb22a9c5ef2cc45", kill_on_drop: false }` [INFO] [stdout] 0296bd6e53568d24b58ae6f6706696a98025241b64c526b6ceb22a9c5ef2cc45