[INFO] cloning repository https://github.com/EricDavidWells/AOC_2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EricDavidWells/AOC_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEricDavidWells%2FAOC_2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEricDavidWells%2FAOC_2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 574b91469b22fa6b714da629b592641d44bb3898 [INFO] checking EricDavidWells/AOC_2021 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEricDavidWells%2FAOC_2021" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EricDavidWells/AOC_2021 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EricDavidWells/AOC_2021 [INFO] finished tweaking git repo https://github.com/EricDavidWells/AOC_2021 [INFO] tweaked toml for git repo https://github.com/EricDavidWells/AOC_2021 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/EricDavidWells/AOC_2021 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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b725ec036b4d83846ac8e9d209b83f328a06920d9b0595c1ad42c70d55a756d [INFO] running `Command { std: "docker" "start" "-a" "0b725ec036b4d83846ac8e9d209b83f328a06920d9b0595c1ad42c70d55a756d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b725ec036b4d83846ac8e9d209b83f328a06920d9b0595c1ad42c70d55a756d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b725ec036b4d83846ac8e9d209b83f328a06920d9b0595c1ad42c70d55a756d", kill_on_drop: false }` [INFO] [stdout] 0b725ec036b4d83846ac8e9d209b83f328a06920d9b0595c1ad42c70d55a756d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04bc09630f835e2fe67b3b904eab49f16a9499b59daede0e52ce6fe151f19ca5 [INFO] running `Command { std: "docker" "start" "-a" "04bc09630f835e2fe67b3b904eab49f16a9499b59daede0e52ce6fe151f19ca5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking fixedbitset v0.4.0 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking bimap v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bitvec v0.20.4 [INFO] [stderr] Checking petgraph v0.6.0 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking aoc_2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ArrayView`, `Axis` [INFO] [stdout] --> src/lib.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | use ndarray::{Array2, ArrayView, Axis}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/lib.rs:143:24 [INFO] [stdout] | [INFO] [stdout] 143 | ret += (2_u64.pow(i as u32)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 143 - ret += (2_u64.pow(i as u32)); [INFO] [stdout] 143 + ret += 2_u64.pow(i as u32); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:71:24 [INFO] [stdout] | [INFO] [stdout] 71 | fn neg_wrap_mod(mut val: T, modu: T) -> T [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:134:27 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn boolvec_to_int(mut bvec: &Vec) -> u64 [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `neg_wrap_mod` is never used [INFO] [stdout] --> src/lib.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn neg_wrap_mod(mut val: T, modu: T) -> T [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:86:34 [INFO] [stdout] | [INFO] [stdout] 86 | msg.push_str(&val.clone().to_string()); [INFO] [stdout] | ^^^^^^^^ unnecessary method call [INFO] [stdout] | [INFO] [stdout] = note: the type `T` does not implement `Clone`, so calling `clone` on `&T` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[deny(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc_2021` (lib) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "04bc09630f835e2fe67b3b904eab49f16a9499b59daede0e52ce6fe151f19ca5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04bc09630f835e2fe67b3b904eab49f16a9499b59daede0e52ce6fe151f19ca5", kill_on_drop: false }` [INFO] [stdout] 04bc09630f835e2fe67b3b904eab49f16a9499b59daede0e52ce6fe151f19ca5