[INFO] cloning repository https://github.com/ypc2e55orj/maze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ypc2e55orj/maze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fypc2e55orj%2Fmaze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fypc2e55orj%2Fmaze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc269de9789cf53c359aaa57517c8752da74c18e
[INFO] testing ypc2e55orj/maze against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fypc2e55orj%2Fmaze" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ypc2e55orj/maze on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ypc2e55orj/maze
[INFO] finished tweaking git repo https://github.com/ypc2e55orj/maze
[INFO] tweaked toml for git repo https://github.com/ypc2e55orj/maze written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ypc2e55orj/maze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37a3f638ae724994a29e2d843d59a01025a7f36fb66a80edd40875f174e701db
[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" "37a3f638ae724994a29e2d843d59a01025a7f36fb66a80edd40875f174e701db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37a3f638ae724994a29e2d843d59a01025a7f36fb66a80edd40875f174e701db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a3f638ae724994a29e2d843d59a01025a7f36fb66a80edd40875f174e701db", kill_on_drop: false }`
[INFO] [stdout] 37a3f638ae724994a29e2d843d59a01025a7f36fb66a80edd40875f174e701db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48ee762c5f658dbd40da0bffab7d8b2ea2110a2af1133549a62a7e18e1431b5c
[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" "48ee762c5f658dbd40da0bffab7d8b2ea2110a2af1133549a62a7e18e1431b5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `is_wall` is never read
[INFO] [stdout]    --> src/main.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let mut is_wall = false;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `wall_coords` is never read
[INFO] [stdout]    --> src/main.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let mut wall_coords: Coords = vec![];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.07s
[INFO] running `Command { std: "docker" "inspect" "48ee762c5f658dbd40da0bffab7d8b2ea2110a2af1133549a62a7e18e1431b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ee762c5f658dbd40da0bffab7d8b2ea2110a2af1133549a62a7e18e1431b5c", kill_on_drop: false }`
[INFO] [stdout] 48ee762c5f658dbd40da0bffab7d8b2ea2110a2af1133549a62a7e18e1431b5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0509dafaff6f391e9bd5f4699315e653b2d73c98d58aaf69d25f695f1a08952
[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" "d0509dafaff6f391e9bd5f4699315e653b2d73c98d58aaf69d25f695f1a08952", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `is_wall` is never read
[INFO] [stdout]    --> src/main.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let mut is_wall = false;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `wall_coords` is never read
[INFO] [stdout]    --> src/main.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let mut wall_coords: Coords = vec![];
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "d0509dafaff6f391e9bd5f4699315e653b2d73c98d58aaf69d25f695f1a08952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0509dafaff6f391e9bd5f4699315e653b2d73c98d58aaf69d25f695f1a08952", kill_on_drop: false }`
[INFO] [stdout] d0509dafaff6f391e9bd5f4699315e653b2d73c98d58aaf69d25f695f1a08952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce9f171d2184ab8dbb31482d18a9409d34a62c9e3f3c2fb765c8290a1443b386
[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" "ce9f171d2184ab8dbb31482d18a9409d34a62c9e3f3c2fb765c8290a1443b386", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: value assigned to `is_wall` is never read
[INFO] [stderr]    --> src/main.rs:151:21
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 let mut is_wall = false;
[INFO] [stderr]     |                     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `wall_coords` is never read
[INFO] [stderr]    --> src/main.rs:217:13
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let mut wall_coords: Coords = vec![];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze-cd36fd3fa9c96ed6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce9f171d2184ab8dbb31482d18a9409d34a62c9e3f3c2fb765c8290a1443b386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9f171d2184ab8dbb31482d18a9409d34a62c9e3f3c2fb765c8290a1443b386", kill_on_drop: false }`
[INFO] [stdout] ce9f171d2184ab8dbb31482d18a9409d34a62c9e3f3c2fb765c8290a1443b386