[INFO] cloning repository https://github.com/angel-git/Advent2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angel-git/Advent2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangel-git%2FAdvent2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangel-git%2FAdvent2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c124bfc7e6eaaa31b066070d33ec106454a85f0d
[INFO] checking angel-git/Advent2018 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangel-git%2FAdvent2018" "/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/angel-git/Advent2018 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/angel-git/Advent2018
[INFO] finished tweaking git repo https://github.com/angel-git/Advent2018
[INFO] tweaked toml for git repo https://github.com/angel-git/Advent2018 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/angel-git/Advent2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6bf2cd9c19840a96dc73d945375dc926536e02c9ec44be776458d451aa5b656
[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" "e6bf2cd9c19840a96dc73d945375dc926536e02c9ec44be776458d451aa5b656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6bf2cd9c19840a96dc73d945375dc926536e02c9ec44be776458d451aa5b656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6bf2cd9c19840a96dc73d945375dc926536e02c9ec44be776458d451aa5b656", kill_on_drop: false }`
[INFO] [stdout] e6bf2cd9c19840a96dc73d945375dc926536e02c9ec44be776458d451aa5b656
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 2828a72a10211d997a0b29d4eca5395ef88448a39482b1673b32a7d625f18dce
[INFO] running `Command { std: "docker" "start" "-a" "2828a72a10211d997a0b29d4eca5395ef88448a39482b1673b32a7d625f18dce", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day_one.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read_file() -> String {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> src/day_one.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn part1() -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> src/day_one.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn part2() -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2828a72a10211d997a0b29d4eca5395ef88448a39482b1673b32a7d625f18dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2828a72a10211d997a0b29d4eca5395ef88448a39482b1673b32a7d625f18dce", kill_on_drop: false }`
[INFO] [stdout] 2828a72a10211d997a0b29d4eca5395ef88448a39482b1673b32a7d625f18dce