[INFO] cloning repository https://github.com/TheNumberOne/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/TheNumberOne/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e71b71dc604c2d154389eef4d36e195a07e2425
[INFO] checking TheNumberOne/advent-of-code-2019 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheNumberOne/advent-of-code-2019 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheNumberOne/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/TheNumberOne/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/TheNumberOne/advent-of-code-2019 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/TheNumberOne/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded enum-primitive-derive v0.1.2
[INFO] [stderr]   Downloaded cc v1.0.48
[INFO] [stderr]   Downloaded num-bigint v0.2.3
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded gcd v1.2.0
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b57aef4366428a05270bdb7993491a60191b619a113ab229b609f7e7c76b809
[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" "3b57aef4366428a05270bdb7993491a60191b619a113ab229b609f7e7c76b809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b57aef4366428a05270bdb7993491a60191b619a113ab229b609f7e7c76b809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b57aef4366428a05270bdb7993491a60191b619a113ab229b609f7e7c76b809", kill_on_drop: false }`
[INFO] [stdout] 3b57aef4366428a05270bdb7993491a60191b619a113ab229b609f7e7c76b809
[INFO] running `Command { std: "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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e2cba1405bd6c4ec0f2c37c8a128a35efcc6b8cef28c33634bee73157d757c4
[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" "4e2cba1405bd6c4ec0f2c37c8a128a35efcc6b8cef28c33634bee73157d757c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking gcd v1.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking advent-of-code-2019-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/day-10.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day-10.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::real::Real`
[INFO] [stdout]  --> src/day-12-1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num_traits::real::Real;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::real::Real`
[INFO] [stdout]  --> src/day-12-1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num_traits::real::Real;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::max`
[INFO] [stdout]  --> src/day-10.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::max;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day-10.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/day-7-2.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self.out_channel.send(output);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/day-7-2.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         self.out_channel.send(output);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.10s
[INFO] running `Command { std: "docker" "inspect" "4e2cba1405bd6c4ec0f2c37c8a128a35efcc6b8cef28c33634bee73157d757c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2cba1405bd6c4ec0f2c37c8a128a35efcc6b8cef28c33634bee73157d757c4", kill_on_drop: false }`
[INFO] [stdout] 4e2cba1405bd6c4ec0f2c37c8a128a35efcc6b8cef28c33634bee73157d757c4