[INFO] cloning repository https://github.com/tonsky/icfpc2019-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonsky/icfpc2019-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonsky%2Ficfpc2019-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonsky%2Ficfpc2019-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d2c59330a42adfb4b15147ccf03c34c38959ba5
[INFO] checking tonsky/icfpc2019-rust against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonsky%2Ficfpc2019-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tonsky/icfpc2019-rust
[INFO] finished tweaking git repo https://github.com/tonsky/icfpc2019-rust
[INFO] tweaked toml for git repo https://github.com/tonsky/icfpc2019-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tonsky/icfpc2019-rust on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tonsky/icfpc2019-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa6fcf1fd51bd0909b1c7b0bb758887757480f72c0d1ece47792f6f92d7e78f9
[INFO] running `Command { std: "docker" "start" "-a" "fa6fcf1fd51bd0909b1c7b0bb758887757480f72c0d1ece47792f6f92d7e78f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa6fcf1fd51bd0909b1c7b0bb758887757480f72c0d1ece47792f6f92d7e78f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6fcf1fd51bd0909b1c7b0bb758887757480f72c0d1ece47792f6f92d7e78f9", kill_on_drop: false }`
[INFO] [stdout] fa6fcf1fd51bd0909b1c7b0bb758887757480f72c0d1ece47792f6f92d7e78f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b811ee6f2370403fd6fe47c2d95e6cd9048371fdfde8dc41d29311910c30f36a
[INFO] running `Command { std: "docker" "start" "-a" "b811ee6f2370403fd6fe47c2d95e6cd9048371fdfde8dc41d29311910c30f36a", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking icfpc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:529:17
[INFO] [stdout]     |
[INFO] [stdout] 529 |             let mut drone = &mut drones[drone_idx];
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:529:17
[INFO] [stdout]     |
[INFO] [stdout] 529 |             let mut drone = &mut drones[drone_idx];
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Drone` is never constructed
[INFO] [stdout]   --> src/main.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct Drone {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Level` is never constructed
[INFO] [stdout]    --> src/main.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Level {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `icfpc2019` (bin "icfpc2019" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b811ee6f2370403fd6fe47c2d95e6cd9048371fdfde8dc41d29311910c30f36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b811ee6f2370403fd6fe47c2d95e6cd9048371fdfde8dc41d29311910c30f36a", kill_on_drop: false }`
[INFO] [stdout] b811ee6f2370403fd6fe47c2d95e6cd9048371fdfde8dc41d29311910c30f36a
