[INFO] cloning repository https://github.com/AdmiralPotato/advent_of_code_2020_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AdmiralPotato/advent_of_code_2020_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdmiralPotato%2Fadvent_of_code_2020_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdmiralPotato%2Fadvent_of_code_2020_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f291621bc359aae25cb173c6079be92af7b8dc2
[INFO] building AdmiralPotato/advent_of_code_2020_rust 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%2FAdmiralPotato%2Fadvent_of_code_2020_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AdmiralPotato/advent_of_code_2020_rust 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/AdmiralPotato/advent_of_code_2020_rust
[INFO] finished tweaking git repo https://github.com/AdmiralPotato/advent_of_code_2020_rust
[INFO] tweaked toml for git repo https://github.com/AdmiralPotato/advent_of_code_2020_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AdmiralPotato/advent_of_code_2020_rust 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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d3c634879b724460a7bc8835e644391ae1d89e1fbf15c6a0632687614d600655
[INFO] running `Command { std: "docker" "start" "-a" "d3c634879b724460a7bc8835e644391ae1d89e1fbf15c6a0632687614d600655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c634879b724460a7bc8835e644391ae1d89e1fbf15c6a0632687614d600655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c634879b724460a7bc8835e644391ae1d89e1fbf15c6a0632687614d600655", kill_on_drop: false }`
[INFO] [stdout] d3c634879b724460a7bc8835e644391ae1d89e1fbf15c6a0632687614d600655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0ad6148a77ea8c94ea0368f13d1cfa2121260ac598cf4ce59368ee33cfd408e0
[INFO] running `Command { std: "docker" "start" "-a" "0ad6148a77ea8c94ea0368f13d1cfa2121260ac598cf4ce59368ee33cfd408e0", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling day_08 v0.1.0 (/opt/rustwide/workdir/day_08)
[INFO] [stderr]    Compiling day_20 v0.1.0 (/opt/rustwide/workdir/day_20)
[INFO] [stderr]    Compiling day_15 v0.1.0 (/opt/rustwide/workdir/day_15)
[INFO] [stderr]    Compiling day_16 v0.1.0 (/opt/rustwide/workdir/day_16)
[INFO] [stderr]    Compiling day_09 v0.1.0 (/opt/rustwide/workdir/day_09)
[INFO] [stderr]    Compiling day_06 v0.1.0 (/opt/rustwide/workdir/day_06)
[INFO] [stderr]    Compiling day_18 v0.1.0 (/opt/rustwide/workdir/day_18)
[INFO] [stderr]    Compiling day_10 v0.1.0 (/opt/rustwide/workdir/day_10)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> day_16/src/main.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> ParsedTrainTickets<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 12 |     fn new(input: &'a str) -> ParsedTrainTickets {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Result`
[INFO] [stdout]  --> day_06/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Result, fs::File, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chars_to_u16` is never used
[INFO] [stdout]  --> day_20/src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn chars_to_u16(chars: &[char]) -> u16 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_column` is never used
[INFO] [stdout]   --> day_20/src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn get_column(chars: &[char], x: usize) -> [char; 10] {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse_first_10_bits` is never used
[INFO] [stdout]   --> day_20/src/main.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn reverse_first_10_bits(n: u16) -> u16 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tile` is never constructed
[INFO] [stdout]   --> day_20/src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Tile {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> day_20/src/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Tile {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 39 |     fn new(input: &str) -> Tile {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]    --> day_20/src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn parse_input(input: &str) -> HashMap<u16, Tile> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `your_ticket` is never read
[INFO] [stdout]  --> day_16/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ParsedTrainTickets<'a> {
[INFO] [stdout]   |        ------------------ field in this struct
[INFO] [stdout] 6 |     rules: HashMap<&'a str, (RangeInclusive<u16>, RangeInclusive<u16>)>,
[INFO] [stdout] 7 |     your_ticket: Vec<u16>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day_14 v0.1.0 (/opt/rustwide/workdir/day_14)
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling day_07 v0.1.0 (/opt/rustwide/workdir/day_07)
[INFO] [stderr]    Compiling day_11 v0.1.0 (/opt/rustwide/workdir/day_11)
[INFO] [stderr]    Compiling day_12b v0.1.0 (/opt/rustwide/workdir/day_12b)
[INFO] [stderr]    Compiling day_13 v0.1.0 (/opt/rustwide/workdir/day_13)
[INFO] [stderr]    Compiling day_12 v0.1.0 (/opt/rustwide/workdir/day_12)
[INFO] [stdout] warning: unused import: `fmt::Result`
[INFO] [stdout]  --> day_07/src/main.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fmt::Result, fs::File, io::Read};
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> day_07/src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let matches = crime.is_match(text);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "0ad6148a77ea8c94ea0368f13d1cfa2121260ac598cf4ce59368ee33cfd408e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad6148a77ea8c94ea0368f13d1cfa2121260ac598cf4ce59368ee33cfd408e0", kill_on_drop: false }`
[INFO] [stdout] 0ad6148a77ea8c94ea0368f13d1cfa2121260ac598cf4ce59368ee33cfd408e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7935548e00dee0170773c097c5444aaadd5290bf4e0d0d4f7ce453e5c91cd7a2
[INFO] running `Command { std: "docker" "start" "-a" "7935548e00dee0170773c097c5444aaadd5290bf4e0d0d4f7ce453e5c91cd7a2", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling day_16 v0.1.0 (/opt/rustwide/workdir/day_16)
[INFO] [stderr]    Compiling day_18 v0.1.0 (/opt/rustwide/workdir/day_18)
[INFO] [stderr]    Compiling day_08 v0.1.0 (/opt/rustwide/workdir/day_08)
[INFO] [stderr]    Compiling day_20 v0.1.0 (/opt/rustwide/workdir/day_20)
[INFO] [stderr]    Compiling day_15 v0.1.0 (/opt/rustwide/workdir/day_15)
[INFO] [stderr]    Compiling day_14 v0.1.0 (/opt/rustwide/workdir/day_14)
[INFO] [stderr]    Compiling day_09 v0.1.0 (/opt/rustwide/workdir/day_09)
[INFO] [stderr]    Compiling day_06 v0.1.0 (/opt/rustwide/workdir/day_06)
[INFO] [stderr]    Compiling day_10 v0.1.0 (/opt/rustwide/workdir/day_10)
[INFO] [stderr]    Compiling day_07 v0.1.0 (/opt/rustwide/workdir/day_07)
[INFO] [stderr]    Compiling day_13 v0.1.0 (/opt/rustwide/workdir/day_13)
[INFO] [stderr]    Compiling day_12 v0.1.0 (/opt/rustwide/workdir/day_12)
[INFO] [stderr]    Compiling day_12b v0.1.0 (/opt/rustwide/workdir/day_12b)
[INFO] [stderr]    Compiling day_11 v0.1.0 (/opt/rustwide/workdir/day_11)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> day_16/src/main.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> ParsedTrainTickets<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 12 |     fn new(input: &'a str) -> ParsedTrainTickets {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Result`
[INFO] [stdout]  --> day_06/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Result, fs::File, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Result`
[INFO] [stdout]  --> day_07/src/main.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fmt::Result, fs::File, io::Read};
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> day_07/src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let matches = crime.is_match(text);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `your_ticket` is never read
[INFO] [stdout]  --> day_16/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ParsedTrainTickets<'a> {
[INFO] [stdout]   |        ------------------ field in this struct
[INFO] [stdout] 6 |     rules: HashMap<&'a str, (RangeInclusive<u16>, RangeInclusive<u16>)>,
[INFO] [stdout] 7 |     your_ticket: Vec<u16>,
[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 0.47s
[INFO] running `Command { std: "docker" "inspect" "7935548e00dee0170773c097c5444aaadd5290bf4e0d0d4f7ce453e5c91cd7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7935548e00dee0170773c097c5444aaadd5290bf4e0d0d4f7ce453e5c91cd7a2", kill_on_drop: false }`
[INFO] [stdout] 7935548e00dee0170773c097c5444aaadd5290bf4e0d0d4f7ce453e5c91cd7a2