[INFO] cloning repository https://github.com/jmpesp/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmpesp/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmpesp%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmpesp%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35c9d14d53584570442109b58dbc97a0d52f9149
[INFO] checking jmpesp/advent-of-code-2019 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmpesp%2Fadvent-of-code-2019" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmpesp/advent-of-code-2019 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmpesp/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/jmpesp/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/jmpesp/advent-of-code-2019 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jmpesp/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fe3668a7ba6ece45966417075a8a392dde06ad6976d176a907cc7dd9cf98765
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8fe3668a7ba6ece45966417075a8a392dde06ad6976d176a907cc7dd9cf98765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fe3668a7ba6ece45966417075a8a392dde06ad6976d176a907cc7dd9cf98765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe3668a7ba6ece45966417075a8a392dde06ad6976d176a907cc7dd9cf98765", kill_on_drop: false }`
[INFO] [stdout] 8fe3668a7ba6ece45966417075a8a392dde06ad6976d176a907cc7dd9cf98765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752628e22e77f8113aec28a6d8536226e4f10258f9c1810447390bdba1ef01c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "752628e22e77f8113aec28a6d8536226e4f10258f9c1810447390bdba1ef01c2", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/bin/day18.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min_spanning_tree`
[INFO] [stdout]   --> src/bin/day18.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | use petgraph::algo::{dijkstra, min_spanning_tree};
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::data::FromElements`
[INFO] [stdout]   --> src/bin/day18.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use petgraph::data::FromElements;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]   --> src/bin/day18.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 | use petgraph::dot::{Dot, Config};
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert`
[INFO] [stdout]  --> src/bin/day01.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/day01.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     if (fuel < 0) {
[INFO] [stdout]    |        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert`
[INFO] [stdout]  --> src/bin/day01.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/day01.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     if (fuel < 0) {
[INFO] [stdout]    |        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min_spanning_tree`
[INFO] [stdout]   --> src/bin/day18.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | use petgraph::algo::{dijkstra, min_spanning_tree};
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::data::FromElements`
[INFO] [stdout]   --> src/bin/day18.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use petgraph::data::FromElements;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]   --> src/bin/day18.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 | use petgraph::dot::{Dot, Config};
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pos` is never read
[INFO] [stdout]    --> src/bin/day16.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     pos += index;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/bin/day16.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let output: Vec<String> = numbers.iter().map(|s| s.to_string()).collect();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pos` is never read
[INFO] [stdout]    --> src/bin/day16.rs:133:21
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     pos += index;
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/bin/day16.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let output: Vec<String> = numbers.iter().map(|s| s.to_string()).collect();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_repeating_pattern`
[INFO] [stdout]   --> src/bin/day16.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn get_repeating_pattern(index: u32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `letters`
[INFO] [stdout]    --> src/bin/day18.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn letters(&self, v: Vec<NodeIndex<DefaultIx>>) -> HashSet<String> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "752628e22e77f8113aec28a6d8536226e4f10258f9c1810447390bdba1ef01c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752628e22e77f8113aec28a6d8536226e4f10258f9c1810447390bdba1ef01c2", kill_on_drop: false }`
[INFO] [stdout] 752628e22e77f8113aec28a6d8536226e4f10258f9c1810447390bdba1ef01c2