[INFO] cloning repository https://github.com/pierreyoda/advent-2019-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pierreyoda/advent-2019-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierreyoda%2Fadvent-2019-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierreyoda%2Fadvent-2019-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 420e67426d10076cc441f81da323400135581b77
[INFO] checking pierreyoda/advent-2019-rust against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierreyoda%2Fadvent-2019-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pierreyoda/advent-2019-rust on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pierreyoda/advent-2019-rust
[INFO] finished tweaking git repo https://github.com/pierreyoda/advent-2019-rust
[INFO] tweaked toml for git repo https://github.com/pierreyoda/advent-2019-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/pierreyoda/advent-2019-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32cd708349b1e5fe443a4d30a6cb168e47be75d96a217cd541aa9dcf5d998c7d
[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" "32cd708349b1e5fe443a4d30a6cb168e47be75d96a217cd541aa9dcf5d998c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32cd708349b1e5fe443a4d30a6cb168e47be75d96a217cd541aa9dcf5d998c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32cd708349b1e5fe443a4d30a6cb168e47be75d96a217cd541aa9dcf5d998c7d", kill_on_drop: false }`
[INFO] [stdout] 32cd708349b1e5fe443a4d30a6cb168e47be75d96a217cd541aa9dcf5d998c7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 33d3b0ac3b719923d71060efa6a9ac4ed00188d42c28429ff1be3951e30049c2
[INFO] running `Command { std: "docker" "start" "-a" "33d3b0ac3b719923d71060efa6a9ac4ed00188d42c28429ff1be3951e30049c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking advent-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `program_counter_snapshot`
[INFO] [stdout]   --> src/day-2/main.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn program_counter_snapshot(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `code`
[INFO] [stdout]   --> src/day-2/main.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn code(&self) -> Scalar {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `code`
[INFO] [stdout]   --> src/day-2/main.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn code(&self) -> Scalar {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "33d3b0ac3b719923d71060efa6a9ac4ed00188d42c28429ff1be3951e30049c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d3b0ac3b719923d71060efa6a9ac4ed00188d42c28429ff1be3951e30049c2", kill_on_drop: false }`
[INFO] [stdout] 33d3b0ac3b719923d71060efa6a9ac4ed00188d42c28429ff1be3951e30049c2