[INFO] cloning repository https://github.com/zdebra/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/zdebra/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ea95bda308df31d5f51c0e776d754c22dc721d7
[INFO] checking zdebra/advent-of-code-2020 against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Fadvent-of-code-2020" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zdebra/advent-of-code-2020 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zdebra/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/zdebra/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/zdebra/advent-of-code-2020 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/zdebra/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-error v0.1.12
[INFO] [stderr]   Downloaded array2d v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b4eaf365abfee8820f6abeea88c3df6bc5d929bbd6e508be96252f0bdf90930
[INFO] running `Command { std: "docker" "start" "-a" "4b4eaf365abfee8820f6abeea88c3df6bc5d929bbd6e508be96252f0bdf90930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b4eaf365abfee8820f6abeea88c3df6bc5d929bbd6e508be96252f0bdf90930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4eaf365abfee8820f6abeea88c3df6bc5d929bbd6e508be96252f0bdf90930", kill_on_drop: false }`
[INFO] [stdout] 4b4eaf365abfee8820f6abeea88c3df6bc5d929bbd6e508be96252f0bdf90930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f9eaa273866220fe1513c6aa55db088410b110e4d673005205af81e3b165eef
[INFO] running `Command { std: "docker" "start" "-a" "1f9eaa273866220fe1513c6aa55db088410b110e4d673005205af81e3b165eef", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking simple-error v0.1.12
[INFO] [stderr]     Checking array2d v0.2.1
[INFO] [stderr]     Checking day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]     Checking day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]     Checking day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]     Checking day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]     Checking day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]     Checking day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]     Checking day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]     Checking day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stdout] error[E0432]: unresolved import `array2d`
[INFO] [stdout]  --> day03/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use array2d::Array2D;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `array2d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `array2d`
[INFO] [stdout]  --> day11/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use array2d::Array2D;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `array2d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `simple_error`
[INFO] [stdout]  --> day08/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use simple_error::SimpleError;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `simple_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `array2d`
[INFO] [stdout]  --> day11/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use array2d::Array2D;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `array2d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> day08/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `simple_error`
[INFO] [stdout]  --> day08/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use simple_error::SimpleError;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `simple_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testNumbers` should have a snake case name
[INFO] [stdout]   --> day09/src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn testNumbers(numbers: &[usize], num: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `test_numbers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> day08/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testNumbers` should have a snake case name
[INFO] [stdout]   --> day09/src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn testNumbers(numbers: &[usize], num: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `test_numbers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `regex`
[INFO] [stdout]  --> day04/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `simple_error`
[INFO] [stdout]  --> day04/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use simple_error::SimpleError;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `simple_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `simple_error`
[INFO] [stdout]  --> day12/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use simple_error::SimpleError;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `simple_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> day04/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> day07/src/main.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for (bag, count) in item.iter() {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `regex`
[INFO] [stdout]  --> day04/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `simple_error`
[INFO] [stdout]  --> day04/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use simple_error::SimpleError;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `simple_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> day04/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> day07/src/main.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for (bag, count) in item.iter() {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `array2d`
[INFO] [stdout]  --> day03/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use array2d::Array2D;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `array2d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day11` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `simple_error`
[INFO] [stdout]  --> day12/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use simple_error::SimpleError;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `simple_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> day06/src/main.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 for (key, val) in counts.iter() {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> day06/src/main.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for (key, val) in counts.iter() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> day06/src/main.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 for (key, val) in counts.iter() {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> day06/src/main.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for (key, val) in counts.iter() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1f9eaa273866220fe1513c6aa55db088410b110e4d673005205af81e3b165eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9eaa273866220fe1513c6aa55db088410b110e4d673005205af81e3b165eef", kill_on_drop: false }`
[INFO] [stdout] 1f9eaa273866220fe1513c6aa55db088410b110e4d673005205af81e3b165eef
