[INFO] cloning repository https://github.com/ggovan/advent-of-code-2019
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ggovan/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggovan%2Fadvent-of-code-2019"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggovan%2Fadvent-of-code-2019'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf4a6a4118f9da64356889e1b0d112a4e631a9c8
[INFO] checking ggovan/advent-of-code-2019 against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggovan%2Fadvent-of-code-2019" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ggovan/advent-of-code-2019 on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ggovan/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/ggovan/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/ggovan/advent-of-code-2019 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ggovan/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e62c85a391927726c8703116840b5803ee317cba325003f6e841d916b5c7c27d
[INFO] running `"docker" "start" "-a" "e62c85a391927726c8703116840b5803ee317cba325003f6e841d916b5c7c27d"`
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]     Checking advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Read`, `Stdin`
[INFO] [stderr]  --> src/intcode.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, BufRead, Read, Stdin};
[INFO] [stderr]   |                              ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Stdin`
[INFO] [stderr]  --> src/intcode.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, BufRead, Read, Stdin};
[INFO] [stderr]   |                              ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/intcode.rs:620:5
[INFO] [stderr]     |
[INFO] [stderr] 596 | /     loop {
[INFO] [stderr] 597 | |         let squares = machine
[INFO] [stderr] 598 | |             .output
[INFO] [stderr] 599 | |             .chunks_exact(3)
[INFO] [stderr] ...   |
[INFO] [stderr] 617 | |         dbg!("loop");
[INFO] [stderr] 618 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 619 | 
[INFO] [stderr] 620 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]    --> src/intcode.rs:593:13
[INFO] [stderr]     |
[INFO] [stderr] 593 |     let mut stdin = io::stdin();
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_stdin`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/intcode.rs:620:5
[INFO] [stderr]     |
[INFO] [stderr] 596 | /     loop {
[INFO] [stderr] 597 | |         let squares = machine
[INFO] [stderr] 598 | |             .output
[INFO] [stderr] 599 | |             .chunks_exact(3)
[INFO] [stderr] ...   |
[INFO] [stderr] 617 | |         dbg!("loop");
[INFO] [stderr] 618 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 619 | 
[INFO] [stderr] 620 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]    --> src/intcode.rs:593:13
[INFO] [stderr]     |
[INFO] [stderr] 593 |     let mut stdin = io::stdin();
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_stdin`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/intcode.rs:593:9
[INFO] [stderr]     |
[INFO] [stderr] 593 |     let mut stdin = io::stdin();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/intcode.rs:593:9
[INFO] [stderr]     |
[INFO] [stderr] 593 |     let mut stdin = io::stdin();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "e62c85a391927726c8703116840b5803ee317cba325003f6e841d916b5c7c27d"`
[INFO] running `"docker" "rm" "-f" "e62c85a391927726c8703116840b5803ee317cba325003f6e841d916b5c7c27d"`
[INFO] [stdout] e62c85a391927726c8703116840b5803ee317cba325003f6e841d916b5c7c27d