[INFO] cloning repository https://github.com/Deskbot/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/Deskbot/Advent-of-Code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeskbot%2FAdvent-of-Code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeskbot%2FAdvent-of-Code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97d5a7e7e7f2a57ec64a5591688d1c2f5e90617d
[INFO] checking Deskbot/Advent-of-Code-2020 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeskbot%2FAdvent-of-Code-2020" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Deskbot/Advent-of-Code-2020
[INFO] finished tweaking git repo https://github.com/Deskbot/Advent-of-Code-2020
[INFO] tweaked toml for git repo https://github.com/Deskbot/Advent-of-Code-2020 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Deskbot/Advent-of-Code-2020 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Deskbot/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded substring v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 211bfdf308d75771ac9fad547dfd8e52369cd1d12a20622eb9671d2384d50ea6
[INFO] running `Command { std: "docker" "start" "-a" "211bfdf308d75771ac9fad547dfd8e52369cd1d12a20622eb9671d2384d50ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211bfdf308d75771ac9fad547dfd8e52369cd1d12a20622eb9671d2384d50ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211bfdf308d75771ac9fad547dfd8e52369cd1d12a20622eb9671d2384d50ea6", kill_on_drop: false }`
[INFO] [stdout] 211bfdf308d75771ac9fad547dfd8e52369cd1d12a20622eb9671d2384d50ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9313aeb29c1631f6f3f86aa2b8090db8e4647bb81a913fd0d2a73d904a317b4
[INFO] running `Command { std: "docker" "start" "-a" "c9313aeb29c1631f6f3f86aa2b8090db8e4647bb81a913fd0d2a73d904a317b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling substring v1.4.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/day/day23.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/day/day23.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/day/day22.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn part2(p1: Deck, p2: Deck) -> i64 {
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/day/day22.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn part2(p1: Deck, p2: Deck) -> i64 {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day/day23.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut cups = Cups::parse(input);
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cups`
[INFO] [stdout]  --> src/day/day23.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut cups = Cups::parse(input);
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cups`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current_cup` and `list` are never read
[INFO] [stdout]   --> src/day/day23.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Cups {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 14 |     current_cup: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     list: Vec<i64>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `step` is never used
[INFO] [stdout]   --> src/day/day23.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Cups {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn step(&mut self)  {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SumI64` is never used
[INFO] [stdout]   --> src/util.rs:92:11
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub trait SumI64 {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ProductI64` is never used
[INFO] [stdout]    --> src/util.rs:102:11
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub trait ProductI64 {
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day/day07.rs:76:23
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn parse_input(input: &str) -> HashMap<&str, Vec<Rule>>{
[INFO] [stdout]    |                       ^^^^             ^^^^      ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |                |
[INFO] [stdout]    |                       |                the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn parse_input(input: &str) -> HashMap<&str, Vec<Rule<'_>>>{
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day/day07.rs:89:23
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn parse_rules(rules: &str) -> Vec<Rule> {
[INFO] [stdout]    |                       ^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn parse_rules(rules: &str) -> Vec<Rule<'_>> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day/day21.rs:148:21
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn parse(s: &str) -> Food {
[INFO] [stdout]     |                     ^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn parse(s: &str) -> Food<'_> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/day/day22.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn part2(p1: Deck, p2: Deck) -> i64 {
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/day/day22.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn part2(p1: Deck, p2: Deck) -> i64 {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day/day23.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut cups = Cups::parse(input);
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cups`
[INFO] [stdout]  --> src/day/day23.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut cups = Cups::parse(input);
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cups`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current_cup` and `list` are never read
[INFO] [stdout]   --> src/day/day23.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Cups {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 14 |     current_cup: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 15 |     list: Vec<i64>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `step` is never used
[INFO] [stdout]   --> src/day/day23.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Cups {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn step(&mut self)  {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SumI64` is never used
[INFO] [stdout]   --> src/util.rs:92:11
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub trait SumI64 {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ProductI64` is never used
[INFO] [stdout]    --> src/util.rs:102:11
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub trait ProductI64 {
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day/day07.rs:76:23
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn parse_input(input: &str) -> HashMap<&str, Vec<Rule>>{
[INFO] [stdout]    |                       ^^^^             ^^^^      ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |                |
[INFO] [stdout]    |                       |                the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn parse_input(input: &str) -> HashMap<&str, Vec<Rule<'_>>>{
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day/day07.rs:89:23
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn parse_rules(rules: &str) -> Vec<Rule> {
[INFO] [stdout]    |                       ^^^^         ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn parse_rules(rules: &str) -> Vec<Rule<'_>> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day/day21.rs:148:21
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn parse(s: &str) -> Food {
[INFO] [stdout]     |                     ^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn parse(s: &str) -> Food<'_> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9313aeb29c1631f6f3f86aa2b8090db8e4647bb81a913fd0d2a73d904a317b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9313aeb29c1631f6f3f86aa2b8090db8e4647bb81a913fd0d2a73d904a317b4", kill_on_drop: false }`
[INFO] [stdout] c9313aeb29c1631f6f3f86aa2b8090db8e4647bb81a913fd0d2a73d904a317b4
