[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-2020/97d5a7e7e7f2a57ec64a5591688d1c2f5e90617d against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeskbot%2FAdvent-of-Code-2020" "/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/Deskbot/Advent-of-Code-2020 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4819f15fb7df316b522e38e54f795df4eb3af93e42f1003af0b8f8f811434e2
[INFO] running `Command { std: "docker" "start" "-a" "c4819f15fb7df316b522e38e54f795df4eb3af93e42f1003af0b8f8f811434e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4819f15fb7df316b522e38e54f795df4eb3af93e42f1003af0b8f8f811434e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4819f15fb7df316b522e38e54f795df4eb3af93e42f1003af0b8f8f811434e2", kill_on_drop: false }`
[INFO] [stdout] c4819f15fb7df316b522e38e54f795df4eb3af93e42f1003af0b8f8f811434e2
[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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db021071463c45e652a14a5d87a8284307f2e8efd5099847a31c3e66b4440a0c
[INFO] running `Command { std: "docker" "start" "-a" "db021071463c45e652a14a5d87a8284307f2e8efd5099847a31c3e66b4440a0c", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling substring v1.4.0
[INFO] [stderr]     Checking itertools v0.9.0
[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)]` 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)]` 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)]` 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: unused variable: `cups`
[INFO] [stdout]  --> src/day/day23.rs:8:13
[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: 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)]` on by default
[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)]` 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: method `sum` is never used
[INFO] [stdout]   --> src/util.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub trait SumI64 {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 93 |     fn sum(&mut self) -> i64;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `product` is never used
[INFO] [stdout]    --> src/util.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub trait ProductI64 {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] 103 |     fn product(&mut self) -> i64;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[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)]` 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: unused variable: `cups`
[INFO] [stdout]  --> src/day/day23.rs:8:13
[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: 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)]` on by default
[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)]` 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: method `sum` is never used
[INFO] [stdout]   --> src/util.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub trait SumI64 {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 93 |     fn sum(&mut self) -> i64;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `product` is never used
[INFO] [stdout]    --> src/util.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub trait ProductI64 {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] 103 |     fn product(&mut self) -> i64;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "db021071463c45e652a14a5d87a8284307f2e8efd5099847a31c3e66b4440a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db021071463c45e652a14a5d87a8284307f2e8efd5099847a31c3e66b4440a0c", kill_on_drop: false }`
[INFO] [stdout] db021071463c45e652a14a5d87a8284307f2e8efd5099847a31c3e66b4440a0c