[INFO] cloning repository https://github.com/tyrell-snyders/A-_search_algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyrell-snyders/A-_search_algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrell-snyders%2FA-_search_algorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrell-snyders%2FA-_search_algorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4f347e472e6875f2e9bcea9661bf9acfba29b21
[INFO] checking tyrell-snyders/A-_search_algorithm against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrell-snyders%2FA-_search_algorithm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tyrell-snyders/A-_search_algorithm
[INFO] finished tweaking git repo https://github.com/tyrell-snyders/A-_search_algorithm
[INFO] tweaked toml for git repo https://github.com/tyrell-snyders/A-_search_algorithm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tyrell-snyders/A-_search_algorithm on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tyrell-snyders/A-_search_algorithm 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tyrell-snyders/A-_search_algorithm against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrell-snyders%2FA-_search_algorithm" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tyrell-snyders/A-_search_algorithm
[INFO] finished tweaking git repo https://github.com/tyrell-snyders/A-_search_algorithm
[INFO] tweaked toml for git repo https://github.com/tyrell-snyders/A-_search_algorithm written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tyrell-snyders/A-_search_algorithm on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tyrell-snyders/A-_search_algorithm 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73a22ea24ee8c87db064550ea59c694e4415f5de9af04c78d68e2923d5855925
[INFO] running `Command { std: "docker" "start" "-a" "73a22ea24ee8c87db064550ea59c694e4415f5de9af04c78d68e2923d5855925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73a22ea24ee8c87db064550ea59c694e4415f5de9af04c78d68e2923d5855925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a22ea24ee8c87db064550ea59c694e4415f5de9af04c78d68e2923d5855925", kill_on_drop: false }`
[INFO] [stdout] 73a22ea24ee8c87db064550ea59c694e4415f5de9af04c78d68e2923d5855925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e66936ce48345c76fe99cccef4c23d58e7a86f3872984e3a5d9fef0fa888cdc8
[INFO] running `Command { std: "docker" "start" "-a" "e66936ce48345c76fe99cccef4c23d58e7a86f3872984e3a5d9fef0fa888cdc8", kill_on_drop: false }`
[INFO] [stderr]     Checking humble-a-star v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `kEmpty` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     kEmpty,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KEmpty`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kObstacle` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     kObstacle,
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KObstacle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kClosed` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     kClosed,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KClosed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kPath` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     kPath,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KPath`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kStart` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     kStart,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KStart`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kEmpty` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     kEmpty,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KEmpty`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kFinish` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     kFinish,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KFinish`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kObstacle` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     kObstacle,
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KObstacle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kClosed` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     kClosed,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KClosed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kPath` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     kPath,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KPath`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kStart` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     kStart,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KStart`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kFinish` should have an upper camel case name
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     kFinish,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `KFinish`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "e66936ce48345c76fe99cccef4c23d58e7a86f3872984e3a5d9fef0fa888cdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66936ce48345c76fe99cccef4c23d58e7a86f3872984e3a5d9fef0fa888cdc8", kill_on_drop: false }`
[INFO] [stdout] e66936ce48345c76fe99cccef4c23d58e7a86f3872984e3a5d9fef0fa888cdc8