[INFO] cloning repository https://github.com/kunalb/AoC2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunalb/AoC2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalb%2FAoC2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalb%2FAoC2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6d4a8acf8355d22c1756d056a3be86c8b923905 [INFO] building kunalb/AoC2020 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunalb%2FAoC2020" "/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/kunalb/AoC2020 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kunalb/AoC2020 [INFO] finished tweaking git repo https://github.com/kunalb/AoC2020 [INFO] tweaked toml for git repo https://github.com/kunalb/AoC2020 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kunalb/AoC2020 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a9c02d606320d7c9e2fc3b56b48417d9ca5d6030aea744fbaf999a546baf03d2 [INFO] running `Command { std: "docker" "start" "-a" "a9c02d606320d7c9e2fc3b56b48417d9ca5d6030aea744fbaf999a546baf03d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9c02d606320d7c9e2fc3b56b48417d9ca5d6030aea744fbaf999a546baf03d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9c02d606320d7c9e2fc3b56b48417d9ca5d6030aea744fbaf999a546baf03d2", kill_on_drop: false }` [INFO] [stdout] a9c02d606320d7c9e2fc3b56b48417d9ca5d6030aea744fbaf999a546baf03d2 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42f3168ceb715ff202367c2c18548d88a2b73e195eaa69e5c2062a837d6c32f7 [INFO] running `Command { std: "docker" "start" "-a" "42f3168ceb715ff202367c2c18548d88a2b73e195eaa69e5c2062a837d6c32f7", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `print_cube` is never used [INFO] [stdout] --> src/bin/day17.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn print_cube(hypercube: &HashMap, bool>, ranges: &Vec<(i64, i64)>) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/bin/day21.rs:54:19 [INFO] [stdout] | [INFO] [stdout] 54 | .map(|(f, a)| f.iter().filter(|x| details.unused_foods.contains(**x)).count()) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/day21.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | for mut possibility in details.possibilities.iter_mut() { [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: field `all_foods` is never read [INFO] [stdout] --> src/bin/day21.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Details<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | all_foods: HashSet<&'a str>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/day23.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | for (i, &x) in input.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_debug` is never used [INFO] [stdout] --> src/bin/day23.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn print_debug(cups: &Vec) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.85s [INFO] running `Command { std: "docker" "inspect" "42f3168ceb715ff202367c2c18548d88a2b73e195eaa69e5c2062a837d6c32f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42f3168ceb715ff202367c2c18548d88a2b73e195eaa69e5c2062a837d6c32f7", kill_on_drop: false }` [INFO] [stdout] 42f3168ceb715ff202367c2c18548d88a2b73e195eaa69e5c2062a837d6c32f7 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09e6dbff29761c665852f71538defc8f8e9840cc1687179bf0a466d0d9fa807a [INFO] running `Command { std: "docker" "start" "-a" "09e6dbff29761c665852f71538defc8f8e9840cc1687179bf0a466d0d9fa807a", kill_on_drop: false }` [INFO] [stderr] Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/bin/day21.rs:54:19 [INFO] [stdout] | [INFO] [stdout] 54 | .map(|(f, a)| f.iter().filter(|x| details.unused_foods.contains(**x)).count()) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/day21.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | for mut possibility in details.possibilities.iter_mut() { [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: unused import: `super::*` [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `all_foods` is never read [INFO] [stdout] --> src/bin/day21.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Details<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | all_foods: HashSet<&'a str>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_cube` is never used [INFO] [stdout] --> src/bin/day17.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn print_cube(hypercube: &HashMap, bool>, ranges: &Vec<(i64, i64)>) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/day20.rs:759:9 [INFO] [stdout] | [INFO] [stdout] 759 | dbg!(solve2(INPUT)); [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 `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/day23.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | for (i, &x) in input.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_debug` is never used [INFO] [stdout] --> src/bin/day23.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn print_debug(cups: &Vec) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.05s [INFO] running `Command { std: "docker" "inspect" "09e6dbff29761c665852f71538defc8f8e9840cc1687179bf0a466d0d9fa807a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09e6dbff29761c665852f71538defc8f8e9840cc1687179bf0a466d0d9fa807a", kill_on_drop: false }` [INFO] [stdout] 09e6dbff29761c665852f71538defc8f8e9840cc1687179bf0a466d0d9fa807a