[INFO] cloning repository https://github.com/barneyb/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barneyb/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarneyb%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarneyb%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ff637fcacf34ec7e124634a3952c852e1eadf33
[INFO] checking barneyb/rust_playground against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarneyb%2Frust_playground" "/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/barneyb/rust_playground on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/barneyb/rust_playground
[INFO] finished tweaking git repo https://github.com/barneyb/rust_playground
[INFO] tweaked toml for git repo https://github.com/barneyb/rust_playground written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/barneyb/rust_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d360abba35a72aed227454cd909e21132775af27d89218ccd1da77bf336398f5
[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" "d360abba35a72aed227454cd909e21132775af27d89218ccd1da77bf336398f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d360abba35a72aed227454cd909e21132775af27d89218ccd1da77bf336398f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d360abba35a72aed227454cd909e21132775af27d89218ccd1da77bf336398f5", kill_on_drop: false }`
[INFO] [stdout] d360abba35a72aed227454cd909e21132775af27d89218ccd1da77bf336398f5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68183471f02ae5f601617e912f0500748750177c420f6634022c69a9282b566d
[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" "68183471f02ae5f601617e912f0500748750177c420f6634022c69a9282b566d", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Dir`, `Turn`
[INFO] [stdout]  --> src/aoc_2019_15/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::geom2d::{Dir, Turn};
[INFO] [stdout]   |                     ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Processor`, `Program`
[INFO] [stdout]  --> src/aoc_2019_15/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::intcode::{Processor, Program};
[INFO] [stdout]   |                      ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BW::*`, `BW`
[INFO] [stdout]  --> src/aoc_2019_15/mod.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::plane::{Plane, BW, BW::*, ToChar};
[INFO] [stdout]   |                           ^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dir`, `Turn`
[INFO] [stdout]  --> src/aoc_2019_15/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::geom2d::{Dir, Turn};
[INFO] [stdout]   |                     ^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Processor`, `Program`
[INFO] [stdout]  --> src/aoc_2019_15/mod.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::intcode::{Processor, Program};
[INFO] [stdout]   |                      ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BW::*`, `BW`
[INFO] [stdout]  --> src/aoc_2019_15/mod.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::plane::{Plane, BW, BW::*, ToChar};
[INFO] [stdout]   |                           ^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prog`
[INFO] [stdout]   --> src/aoc_2019_15/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let prog = intcode::read_from_file(filename);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_prog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/aoc_2019_15/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut pos = Point::origin();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prog`
[INFO] [stdout]   --> src/aoc_2019_15/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let prog = intcode::read_from_file(filename);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_prog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Wall`
[INFO] [stdout]   --> src/aoc_2019_15/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Wall,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Visited`
[INFO] [stdout]   --> src/aoc_2019_15/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Visited,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/aoc_2019_15/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut pos = Point::origin();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Wall`
[INFO] [stdout]   --> src/aoc_2019_15/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Wall,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Visited`
[INFO] [stdout]   --> src/aoc_2019_15/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Visited,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "68183471f02ae5f601617e912f0500748750177c420f6634022c69a9282b566d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68183471f02ae5f601617e912f0500748750177c420f6634022c69a9282b566d", kill_on_drop: false }`
[INFO] [stdout] 68183471f02ae5f601617e912f0500748750177c420f6634022c69a9282b566d