[INFO] cloning repository https://github.com/Half-Shot/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/Half-Shot/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalf-Shot%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalf-Shot%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2429466f635a2be700aae3ff091db9cdaede869
[INFO] checking Half-Shot/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%2FHalf-Shot%2Fadvent-of-code-2019" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Half-Shot/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/Half-Shot/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/Half-Shot/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/Half-Shot/advent-of-code-2019 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Half-Shot/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 96cafcd8cc315751e1716a3b663fe5a328e0f90e465b9487d957194d5d1defb0
[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" "96cafcd8cc315751e1716a3b663fe5a328e0f90e465b9487d957194d5d1defb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96cafcd8cc315751e1716a3b663fe5a328e0f90e465b9487d957194d5d1defb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cafcd8cc315751e1716a3b663fe5a328e0f90e465b9487d957194d5d1defb0", kill_on_drop: false }`
[INFO] [stdout] 96cafcd8cc315751e1716a3b663fe5a328e0f90e465b9487d957194d5d1defb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb9683b78fd8b601f4bb47b1bcfaae7dc5d11577979102239ecc0d1b37c5c1cc
[INFO] running `Command { std: "docker" "start" "-a" "eb9683b78fd8b601f4bb47b1bcfaae7dc5d11577979102239ecc0d1b37c5c1cc", kill_on_drop: false }`
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `conv::prelude::*`
[INFO] [stdout]  --> src/day02/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use conv::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/day02/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `conv::prelude::*`
[INFO] [stdout]  --> src/day02/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use conv::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/day02/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `acc` is never read
[INFO] [stdout]   --> src/day02/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut acc: u32 = 0;
[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: value assigned to `acc` is never read
[INFO] [stdout]   --> src/day02/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut acc: u32 = 0;
[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: function is never used: `calculate_fuel_required`
[INFO] [stdout]  --> src/day01/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn calculate_fuel_required(mass: i64) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day01/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/day02/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn main() -> std::io::Result<()> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_tape_from_memory`
[INFO] [stdout]   --> src/day02/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn read_tape_from_memory() -> std::io::Result<[u32; 255]> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `len` should have an upper case name
[INFO] [stdout]  --> src/day04/mod.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const len: u32 = 8;
[INFO] [stdout]   |       ^^^ help: convert the identifier to upper case: `LEN`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuel_required`
[INFO] [stdout]  --> src/day01/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn calculate_fuel_required(mass: i64) -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day01/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/day02/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn main() -> std::io::Result<()> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_tape_from_memory`
[INFO] [stdout]   --> src/day02/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn read_tape_from_memory() -> std::io::Result<[u32; 255]> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `len` should have an upper case name
[INFO] [stdout]  --> src/day04/mod.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const len: u32 = 8;
[INFO] [stdout]   |       ^^^ help: convert the identifier to upper case: `LEN`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "eb9683b78fd8b601f4bb47b1bcfaae7dc5d11577979102239ecc0d1b37c5c1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9683b78fd8b601f4bb47b1bcfaae7dc5d11577979102239ecc0d1b37c5c1cc", kill_on_drop: false }`
[INFO] [stdout] eb9683b78fd8b601f4bb47b1bcfaae7dc5d11577979102239ecc0d1b37c5c1cc