[INFO] cloning repository https://github.com/stisol/Maze-Solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stisol/Maze-Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2FMaze-Solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2FMaze-Solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23d66f0080bf10eff1d9e768bf446cba8015d3bc
[INFO] checking stisol/Maze-Solver against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2FMaze-Solver" "/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/stisol/Maze-Solver on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stisol/Maze-Solver
[INFO] finished tweaking git repo https://github.com/stisol/Maze-Solver
[INFO] tweaked toml for git repo https://github.com/stisol/Maze-Solver written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/stisol/Maze-Solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pathfinding v0.7.0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c0057039eaa9528fd49de9af503c889125800f5b7940c04b0eeaf2515bbf0fb
[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" "2c0057039eaa9528fd49de9af503c889125800f5b7940c04b0eeaf2515bbf0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0057039eaa9528fd49de9af503c889125800f5b7940c04b0eeaf2515bbf0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0057039eaa9528fd49de9af503c889125800f5b7940c04b0eeaf2515bbf0fb", kill_on_drop: false }`
[INFO] [stdout] 2c0057039eaa9528fd49de9af503c889125800f5b7940c04b0eeaf2515bbf0fb
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe3188122f290b3131c956f29ec8384b015e98e49fa3786d394343b99ec9933a
[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" "fe3188122f290b3131c956f29ec8384b015e98e49fa3786d394343b99ec9933a", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking fixedbitset v0.1.8
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking pathfinding v0.7.0
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking maze_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.05s
[INFO] running `Command { std: "docker" "inspect" "fe3188122f290b3131c956f29ec8384b015e98e49fa3786d394343b99ec9933a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3188122f290b3131c956f29ec8384b015e98e49fa3786d394343b99ec9933a", kill_on_drop: false }`
[INFO] [stdout] fe3188122f290b3131c956f29ec8384b015e98e49fa3786d394343b99ec9933a