[INFO] cloning repository https://github.com/bumblepie/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/bumblepie/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumblepie%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumblepie%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70cd801481f5e287ae8e6bfcfc729d126655ed7c
[INFO] checking bumblepie/advent-of-code-2019 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumblepie%2Fadvent-of-code-2019" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bumblepie/advent-of-code-2019 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bumblepie/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/bumblepie/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/bumblepie/advent-of-code-2019 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bumblepie/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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 z3-sys v0.5.0
[INFO] [stderr]   Downloaded z3 v0.4.0
[INFO] [stderr]   Downloaded gnuplot v0.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", 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] 5a89a4ca01534041729e8de2fd98ccb8238d692d1dd97e92493c621b64e4e56b
[INFO] running `Command { std: "docker" "start" "-a" "5a89a4ca01534041729e8de2fd98ccb8238d692d1dd97e92493c621b64e4e56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a89a4ca01534041729e8de2fd98ccb8238d692d1dd97e92493c621b64e4e56b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a89a4ca01534041729e8de2fd98ccb8238d692d1dd97e92493c621b64e4e56b", kill_on_drop: false }`
[INFO] [stdout] 5a89a4ca01534041729e8de2fd98ccb8238d692d1dd97e92493c621b64e4e56b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] d3e22d1e6d7f1ea7c221b2b3baf436e0b5ff4906c7023fa9acc470db9dc00f30
[INFO] running `Command { std: "docker" "start" "-a" "d3e22d1e6d7f1ea7c221b2b3baf436e0b5ff4906c7023fa9acc470db9dc00f30", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking z3-sys v0.5.0
[INFO] [stderr]     Checking day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stderr]     Checking z3 v0.4.0
[INFO] [stderr]     Checking gnuplot v0.0.32
[INFO] [stderr]     Checking day-4 v0.1.0 (/opt/rustwide/workdir/day-4)
[INFO] [stderr]     Checking day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stdout] warning: function is never used: `graph`
[INFO] [stdout]    --> day-2/src/main.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn graph(starting_state: &Vec<usize>) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `graph`
[INFO] [stdout]    --> day-2/src/main.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn graph(starting_state: &Vec<usize>) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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 3.99s
[INFO] running `Command { std: "docker" "inspect" "d3e22d1e6d7f1ea7c221b2b3baf436e0b5ff4906c7023fa9acc470db9dc00f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e22d1e6d7f1ea7c221b2b3baf436e0b5ff4906c7023fa9acc470db9dc00f30", kill_on_drop: false }`
[INFO] [stdout] d3e22d1e6d7f1ea7c221b2b3baf436e0b5ff4906c7023fa9acc470db9dc00f30