[INFO] cloning repository https://github.com/tehpsy/BocoSolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tehpsy/BocoSolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehpsy%2FBocoSolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehpsy%2FBocoSolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30ed7ca63a0a7334f6047163c15cb2b6b101ff91
[INFO] checking tehpsy/BocoSolver against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehpsy%2FBocoSolver" "/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/tehpsy/BocoSolver on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tehpsy/BocoSolver
[INFO] finished tweaking git repo https://github.com/tehpsy/BocoSolver
[INFO] tweaked toml for git repo https://github.com/tehpsy/BocoSolver written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tehpsy/BocoSolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4caafc47fd992011b21bcb784e9a211bb53b61e3e5e4f9ba40a426ce21a025dd
[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" "4caafc47fd992011b21bcb784e9a211bb53b61e3e5e4f9ba40a426ce21a025dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4caafc47fd992011b21bcb784e9a211bb53b61e3e5e4f9ba40a426ce21a025dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4caafc47fd992011b21bcb784e9a211bb53b61e3e5e4f9ba40a426ce21a025dd", kill_on_drop: false }`
[INFO] [stdout] 4caafc47fd992011b21bcb784e9a211bb53b61e3e5e4f9ba40a426ce21a025dd
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3709d5bcd8855d6ea9ac6d483b25472eaa14ef751f7b458328749b0bfa076b44
[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" "3709d5bcd8855d6ea9ac6d483b25472eaa14ef751f7b458328749b0bfa076b44", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tinyset v0.4.4
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]     Checking enum-iterator v0.6.0
[INFO] [stderr]     Checking boco_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `can_win`
[INFO] [stdout]   --> src/utils.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn can_win(boards: &HashMap<u64, Board>, network: & UnGraphMap::<NetworkNode, ()>) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_easiest_boco_level`
[INFO] [stdout]   --> src/builder.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn build_easiest_boco_level() -> Board {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `intermediate_board_hash`
[INFO] [stdout]    --> src/test.rs:799:13
[INFO] [stdout]     |
[INFO] [stdout] 799 |         let intermediate_board_hash = calculate_hash(&intermediate_board);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_intermediate_board_hash`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_hash_1`
[INFO] [stdout]    --> src/test.rs:801:13
[INFO] [stdout]     |
[INFO] [stdout] 801 |         let first_hash_1 = calculate_hash(&first_board);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_hash_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_hash_2`
[INFO] [stdout]    --> src/test.rs:802:13
[INFO] [stdout]     |
[INFO] [stdout] 802 |         let first_hash_2 = calculate_hash(&first_board);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_hash_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_hash_1`
[INFO] [stdout]    --> src/test.rs:803:13
[INFO] [stdout]     |
[INFO] [stdout] 803 |         let last_hash_1 = calculate_hash(&last_board);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_hash_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_hash_2`
[INFO] [stdout]    --> src/test.rs:804:13
[INFO] [stdout]     |
[INFO] [stdout] 804 |         let last_hash_2 = calculate_hash(&last_board);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_hash_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_easiest_boco_level`
[INFO] [stdout]   --> src/builder.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn build_easiest_boco_level() -> Board {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.61s
[INFO] running `Command { std: "docker" "inspect" "3709d5bcd8855d6ea9ac6d483b25472eaa14ef751f7b458328749b0bfa076b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3709d5bcd8855d6ea9ac6d483b25472eaa14ef751f7b458328749b0bfa076b44", kill_on_drop: false }`
[INFO] [stdout] 3709d5bcd8855d6ea9ac6d483b25472eaa14ef751f7b458328749b0bfa076b44