[INFO] cloning repository https://github.com/skerkewitz/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/skerkewitz/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskerkewitz%2Fadvent_of_code_2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskerkewitz%2Fadvent_of_code_2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ac3f446ba002d604f78c547806114ac228aa1b7 [INFO] building skerkewitz/advent_of_code_2020 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%2Fskerkewitz%2Fadvent_of_code_2020" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skerkewitz/advent_of_code_2020 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/skerkewitz/advent_of_code_2020 [INFO] finished tweaking git repo https://github.com/skerkewitz/advent_of_code_2020 [INFO] tweaked toml for git repo https://github.com/skerkewitz/advent_of_code_2020 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/skerkewitz/advent_of_code_2020 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded const_fn v0.4.4 [INFO] [stderr] Downloaded memoffset v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 389ddd8947e15cbd5f954d85722366a1f8037cbe9bfa8999be9d38d278535e4e [INFO] running `Command { std: "docker" "start" "-a" "389ddd8947e15cbd5f954d85722366a1f8037cbe9bfa8999be9d38d278535e4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "389ddd8947e15cbd5f954d85722366a1f8037cbe9bfa8999be9d38d278535e4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "389ddd8947e15cbd5f954d85722366a1f8037cbe9bfa8999be9d38d278535e4e", kill_on_drop: false }` [INFO] [stdout] 389ddd8947e15cbd5f954d85722366a1f8037cbe9bfa8999be9d38d278535e4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5a9ff686be6dec31b60e4de7f96776a6d4241747fa2d1daa5dada78ef5bbed4b [INFO] running `Command { std: "docker" "start" "-a" "5a9ff686be6dec31b60e4de7f96776a6d4241747fa2d1daa5dada78ef5bbed4b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling rust_day1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::utils` [INFO] [stdout] --> src/main_day23.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::utils; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BTreeSet` [INFO] [stdout] --> src/main_day23.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::BTreeSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LinkedList` and `VecDeque` [INFO] [stdout] --> src/main_day23.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | use std::collections::{LinkedList, VecDeque}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/main_day23.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::SystemTime` [INFO] [stdout] --> src/main_day23.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::SystemTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `max` and `min` [INFO] [stdout] --> src/main_day23.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 9 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main_day23.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main_day23.rs:79:19 [INFO] [stdout] | [INFO] [stdout] 79 | } else if (new_current == current) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 79 - } else if (new_current == current) { [INFO] [stdout] 79 + } else if new_current == current { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/utils.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufReader, BufRead, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> src/main_day23.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(map_first_last)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/main_day23.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 47 | .find_any(|(offset, data)| { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `result_part1` is never used [INFO] [stdout] --> src/main_day23.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn result_part1(data: &Cups) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_lines_from_file` is never used [INFO] [stdout] --> src/utils.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn read_lines_from_file(filename: &str) -> std::io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `string_to_number` is never used [INFO] [stdout] --> src/utils.rs:14:15 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) fn string_to_number(s: &String) -> T where ::Err: Debug { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_string_using_regex` is never used [INFO] [stdout] --> src/utils.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn parse_string_using_regex(s: &str, regex: &Regex) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `assert_and_print_result` is never used [INFO] [stdout] --> src/utils.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | pub(crate) fn assert_and_print_result(s: &str, expected: T, actual: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.31s [INFO] running `Command { std: "docker" "inspect" "5a9ff686be6dec31b60e4de7f96776a6d4241747fa2d1daa5dada78ef5bbed4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a9ff686be6dec31b60e4de7f96776a6d4241747fa2d1daa5dada78ef5bbed4b", kill_on_drop: false }` [INFO] [stdout] 5a9ff686be6dec31b60e4de7f96776a6d4241747fa2d1daa5dada78ef5bbed4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 906ee25efc0ae8da35a0fb0d94f531123ebb4961f5f09d467f55ca1b4992f75e [INFO] running `Command { std: "docker" "start" "-a" "906ee25efc0ae8da35a0fb0d94f531123ebb4961f5f09d467f55ca1b4992f75e", kill_on_drop: false }` [INFO] [stderr] Compiling rust_day1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::utils` [INFO] [stdout] --> src/main_day23.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::utils; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BTreeSet` [INFO] [stdout] --> src/main_day23.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::BTreeSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LinkedList` and `VecDeque` [INFO] [stdout] --> src/main_day23.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | use std::collections::{LinkedList, VecDeque}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::FromIterator` [INFO] [stdout] --> src/main_day23.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::SystemTime` [INFO] [stdout] --> src/main_day23.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::SystemTime; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `max` and `min` [INFO] [stdout] --> src/main_day23.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 9 | use std::cmp::{max, min}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main_day23.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main_day23.rs:79:19 [INFO] [stdout] | [INFO] [stdout] 79 | } else if (new_current == current) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 79 - } else if (new_current == current) { [INFO] [stdout] 79 + } else if new_current == current { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/utils.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufReader, BufRead, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> src/main_day23.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(map_first_last)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/main_day23.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 47 | .find_any(|(offset, data)| { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `result_part1` is never used [INFO] [stdout] --> src/main_day23.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn result_part1(data: &Cups) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_lines_from_file` is never used [INFO] [stdout] --> src/utils.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn read_lines_from_file(filename: &str) -> std::io::Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `string_to_number` is never used [INFO] [stdout] --> src/utils.rs:14:15 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) fn string_to_number(s: &String) -> T where ::Err: Debug { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_string_using_regex` is never used [INFO] [stdout] --> src/utils.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn parse_string_using_regex(s: &str, regex: &Regex) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `assert_and_print_result` is never used [INFO] [stdout] --> src/utils.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | pub(crate) fn assert_and_print_result(s: &str, expected: T, actual: T) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "906ee25efc0ae8da35a0fb0d94f531123ebb4961f5f09d467f55ca1b4992f75e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "906ee25efc0ae8da35a0fb0d94f531123ebb4961f5f09d467f55ca1b4992f75e", kill_on_drop: false }` [INFO] [stdout] 906ee25efc0ae8da35a0fb0d94f531123ebb4961f5f09d467f55ca1b4992f75e