[INFO] cloning repository https://github.com/vlmonk/advent2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vlmonk/advent2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 55ef4a558e8bf43f7722ef1635266c1e93087ac7 [INFO] checking vlmonk/advent2020 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020" "/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/vlmonk/advent2020 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vlmonk/advent2020 [INFO] finished tweaking git repo https://github.com/vlmonk/advent2020 [INFO] tweaked toml for git repo https://github.com/vlmonk/advent2020 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vlmonk/advent2020 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88dac59c73c84fb845dca64e6337d6d10ed19205304676303b79eaca0f1b617e [INFO] running `Command { std: "docker" "start" "-a" "88dac59c73c84fb845dca64e6337d6d10ed19205304676303b79eaca0f1b617e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88dac59c73c84fb845dca64e6337d6d10ed19205304676303b79eaca0f1b617e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88dac59c73c84fb845dca64e6337d6d10ed19205304676303b79eaca0f1b617e", kill_on_drop: false }` [INFO] [stdout] 88dac59c73c84fb845dca64e6337d6d10ed19205304676303b79eaca0f1b617e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 476dcc489b2e70ca9c337886280862f41a062326083de9b11cbc4a111bcdfed1 [INFO] running `Command { std: "docker" "start" "-a" "476dcc489b2e70ca9c337886280862f41a062326083de9b11cbc4a111bcdfed1", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking advent2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher` [INFO] [stdout] --> src/day22/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hasher` [INFO] [stdout] --> src/day22/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::hash::Hasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher` [INFO] [stdout] --> src/day22/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hasher` [INFO] [stdout] --> src/day22/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::hash::Hasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:360:13 [INFO] [stdout] | [INFO] [stdout] 360 | / writeln!( [INFO] [stdout] 361 | | f, [INFO] [stdout] 362 | | "Dimension: X: {}:{}, Y: {}:{}, Z: {}:{}", [INFO] [stdout] 363 | | d.min.x, d.max.x, d.min.y, d.max.y, d.min.z, d.max.z [INFO] [stdout] 364 | | ); [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 `writeln` (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] --> src/day17/main.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | write!(f, "Layer {}\n", z); [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] --> src/day17/main.rs:371:29 [INFO] [stdout] | [INFO] [stdout] 371 | ... 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: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:373:29 [INFO] [stdout] | [INFO] [stdout] 373 | ... 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: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:377:21 [INFO] [stdout] | [INFO] [stdout] 377 | write!(f, "\n"); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:360:13 [INFO] [stdout] | [INFO] [stdout] 360 | / writeln!( [INFO] [stdout] 361 | | f, [INFO] [stdout] 362 | | "Dimension: X: {}:{}, Y: {}:{}, Z: {}:{}", [INFO] [stdout] 363 | | d.min.x, d.max.x, d.min.y, d.max.y, d.min.z, d.max.z [INFO] [stdout] 364 | | ); [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 `writeln` (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] --> src/day17/main.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | write!(f, "Layer {}\n", z); [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] --> src/day17/main.rs:371:29 [INFO] [stdout] | [INFO] [stdout] 371 | ... 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: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:373:29 [INFO] [stdout] | [INFO] [stdout] 373 | ... 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: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:377:21 [INFO] [stdout] | [INFO] [stdout] 377 | write!(f, "\n"); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "476dcc489b2e70ca9c337886280862f41a062326083de9b11cbc4a111bcdfed1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "476dcc489b2e70ca9c337886280862f41a062326083de9b11cbc4a111bcdfed1", kill_on_drop: false }` [INFO] [stdout] 476dcc489b2e70ca9c337886280862f41a062326083de9b11cbc4a111bcdfed1 [INFO] checking vlmonk/advent2020 against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlmonk%2Fadvent2020" "/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/vlmonk/advent2020 on toolchain 047472f299946caf090d1b5608ae4bd9f0416256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vlmonk/advent2020 [INFO] finished tweaking git repo https://github.com/vlmonk/advent2020 [INFO] tweaked toml for git repo https://github.com/vlmonk/advent2020 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/vlmonk/advent2020 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4aada18597056529061fb83ec5ed4e1db08c7803922e57926d3f4419d3e805b2 [INFO] running `Command { std: "docker" "start" "-a" "4aada18597056529061fb83ec5ed4e1db08c7803922e57926d3f4419d3e805b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4aada18597056529061fb83ec5ed4e1db08c7803922e57926d3f4419d3e805b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aada18597056529061fb83ec5ed4e1db08c7803922e57926d3f4419d3e805b2", kill_on_drop: false }` [INFO] [stdout] 4aada18597056529061fb83ec5ed4e1db08c7803922e57926d3f4419d3e805b2 [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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c5a8aa88c007ae34dbae36c42435242fbb3061c7e2b4add327688c556b35367 [INFO] running `Command { std: "docker" "start" "-a" "4c5a8aa88c007ae34dbae36c42435242fbb3061c7e2b4add327688c556b35367", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking advent2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher` [INFO] [stdout] --> src/day22/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hasher` [INFO] [stdout] --> src/day22/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::hash::Hasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher` [INFO] [stdout] --> src/day22/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hasher` [INFO] [stdout] --> src/day22/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::hash::Hasher; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: dereferencing `mut` binding [INFO] [stdout] --> src/day13/main.rs:85:14 [INFO] [stdout] | [INFO] [stdout] 85 | let (mut start, mut step) = target.get(0)?; [INFO] [stdout] | ^^^^^^^^^ `mut` dereferences the type of this binding [INFO] [stdout] | [INFO] [stdout] help: this will change in edition 2024 [INFO] [stdout] --> src/day13/main.rs:85:14 [INFO] [stdout] | [INFO] [stdout] 85 | let (mut start, mut step) = target.get(0)?; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: requested on the command line with `-D dereferencing-mut-binding` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: dereferencing `mut` binding [INFO] [stdout] --> src/day13/main.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | let (mut start, mut step) = target.get(0)?; [INFO] [stdout] | ^^^^^^^^ `mut` dereferences the type of this binding [INFO] [stdout] | [INFO] [stdout] help: this will change in edition 2024 [INFO] [stdout] --> src/day13/main.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | let (mut start, mut step) = target.get(0)?; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `advent2020` (bin "day13") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:360:13 [INFO] [stdout] | [INFO] [stdout] 360 | / writeln!( [INFO] [stdout] 361 | | f, [INFO] [stdout] 362 | | "Dimension: X: {}:{}, Y: {}:{}, Z: {}:{}", [INFO] [stdout] 363 | | d.min.x, d.max.x, d.min.y, d.max.y, d.min.z, d.max.z [INFO] [stdout] 364 | | ); [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 `writeln` (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] --> src/day17/main.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | write!(f, "Layer {}\n", z); [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] --> src/day17/main.rs:371:29 [INFO] [stdout] | [INFO] [stdout] 371 | ... 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: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:373:29 [INFO] [stdout] | [INFO] [stdout] 373 | ... 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: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:377:21 [INFO] [stdout] | [INFO] [stdout] 377 | write!(f, "\n"); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:360:13 [INFO] [stdout] | [INFO] [stdout] 360 | / writeln!( [INFO] [stdout] 361 | | f, [INFO] [stdout] 362 | | "Dimension: X: {}:{}, Y: {}:{}, Z: {}:{}", [INFO] [stdout] 363 | | d.min.x, d.max.x, d.min.y, d.max.y, d.min.z, d.max.z [INFO] [stdout] 364 | | ); [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 `writeln` (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] --> src/day17/main.rs:367:17 [INFO] [stdout] | [INFO] [stdout] 367 | write!(f, "Layer {}\n", z); [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] --> src/day17/main.rs:371:29 [INFO] [stdout] | [INFO] [stdout] 371 | ... 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: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:373:29 [INFO] [stdout] | [INFO] [stdout] 373 | ... 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: unused `Result` that must be used [INFO] [stdout] --> src/day17/main.rs:377:21 [INFO] [stdout] | [INFO] [stdout] 377 | write!(f, "\n"); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4c5a8aa88c007ae34dbae36c42435242fbb3061c7e2b4add327688c556b35367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c5a8aa88c007ae34dbae36c42435242fbb3061c7e2b4add327688c556b35367", kill_on_drop: false }` [INFO] [stdout] 4c5a8aa88c007ae34dbae36c42435242fbb3061c7e2b4add327688c556b35367