[INFO] fetching crate basic-pathfinding 0.2.8...
[INFO] testing basic-pathfinding-0.2.8 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate basic-pathfinding 0.2.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate basic-pathfinding 0.2.8 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic-pathfinding 0.2.8
[INFO] finished tweaking crates.io crate basic-pathfinding 0.2.8
[INFO] tweaked toml for crates.io crate basic-pathfinding 0.2.8 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dd6f86770e7f0e55ac269263aeb12b258810ef7fc1eae96155f96e6b452c319
[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" "7dd6f86770e7f0e55ac269263aeb12b258810ef7fc1eae96155f96e6b452c319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd6f86770e7f0e55ac269263aeb12b258810ef7fc1eae96155f96e6b452c319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd6f86770e7f0e55ac269263aeb12b258810ef7fc1eae96155f96e6b452c319", kill_on_drop: false }`
[INFO] [stdout] 7dd6f86770e7f0e55ac269263aeb12b258810ef7fc1eae96155f96e6b452c319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32e022cc7e24153b3f84f263f9f9b85fae6eb4d75af6b2676ed2acb7ef4ccb89
[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" "32e022cc7e24153b3f84f263f9f9b85fae6eb4d75af6b2676ed2acb7ef4ccb89", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling basic-pathfinding v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "32e022cc7e24153b3f84f263f9f9b85fae6eb4d75af6b2676ed2acb7ef4ccb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e022cc7e24153b3f84f263f9f9b85fae6eb4d75af6b2676ed2acb7ef4ccb89", kill_on_drop: false }`
[INFO] [stdout] 32e022cc7e24153b3f84f263f9f9b85fae6eb4d75af6b2676ed2acb7ef4ccb89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6174cf46d3c102dcd27090401ae505656672828f54526d5b112933ffd3139d4f
[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" "6174cf46d3c102dcd27090401ae505656672828f54526d5b112933ffd3139d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic-pathfinding v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/to_coord_map.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  |     let mut map = ::std::collections::HashMap::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 15 |   let map = to_coord_map(hashmap![], vec![
[INFO] [stdout]    |                          ---------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `hashmap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "6174cf46d3c102dcd27090401ae505656672828f54526d5b112933ffd3139d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6174cf46d3c102dcd27090401ae505656672828f54526d5b112933ffd3139d4f", kill_on_drop: false }`
[INFO] [stdout] 6174cf46d3c102dcd27090401ae505656672828f54526d5b112933ffd3139d4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7919ac8ab4cf43976c8651e8d67d29c70edb294985151e1bfc023ef64257a2d
[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" "e7919ac8ab4cf43976c8651e8d67d29c70edb294985151e1bfc023ef64257a2d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> tests/to_coord_map.rs:7:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 7  |     let mut map = ::std::collections::HashMap::new();
[INFO] [stdout] 
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 15 |   let map = to_coord_map(hashmap![], vec![
[INFO] [stderr]    |                          ---------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `hashmap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_pathfinding-64850ae8c2a5c7a8)
[INFO] [stderr]      Running tests/find_path.rs (/opt/rustwide/target/debug/deps/find_path-fa8fd36530b39715)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test early_returns ... ok
[INFO] [stdout] test none_when_target_unstoppable ... ok
[INFO] [stdout] test path_navigates_to_adjacent_coord ... ok
[INFO] [stdout] test path_avoids_unwalkable_coords ... ok
[INFO] [stdout] test respects_extra_costs ... ok
[INFO] [stdout] test path_navigates_to_adjacent_walkable_coord ... ok
[INFO] [stdout] test prefers_straight_paths ... ok
[INFO] [stdout] test respects_costs ... ok
[INFO] [stdout] test path_terminates_with_cost_threshold ... ok
[INFO] [stdout] test none_when_not_walkable ... ok
[INFO] [stdout] test traverses_walkable_tiles ... ok
[INFO] [stdout] test path_navigates_intercardinal_grids ... ok
[INFO] [stdout] test none_when_cannot_find_path ... ok
[INFO] [stdout] test accepts_opt_to_end_on_unstoppable ... ok
[INFO] [stdout] test path_cancels_early_with_cost_threshold ... ok
[INFO] [stdout] test path_navigates_hex_grids ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/find_walkable.rs (/opt/rustwide/target/debug/deps/find_walkable-544e1200bf5d5284)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test doesnt_include_unwalkable_start ... ok
[INFO] [stdout] test searches_from_multiple_sources ... ok
[INFO] [stdout] test reports_start_only_when_cost_zero ... ok
[INFO] [stdout] test only_traverses_walkable_tiles ... ok
[INFO] [stdout] test navigates_intercardinal_grids ... ok
[INFO] [stdout] test avoids_unstoppable_coords ... ok
[INFO] [stdout] test avoids_unwalkable_coords ... ok
[INFO] [stdout] test cancels_early_with_cost_threshold ... ok
[INFO] [stdout] test navigates_hex_grids ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/to_coord_map.rs (/opt/rustwide/target/debug/deps/to_coord_map-390d2ed15a07e6a1)
[INFO] [stdout] test converts_to_coord_map ... ok
[INFO] [stderr]    Doc-tests basic-pathfinding
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7919ac8ab4cf43976c8651e8d67d29c70edb294985151e1bfc023ef64257a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7919ac8ab4cf43976c8651e8d67d29c70edb294985151e1bfc023ef64257a2d", kill_on_drop: false }`
[INFO] [stdout] e7919ac8ab4cf43976c8651e8d67d29c70edb294985151e1bfc023ef64257a2d