[INFO] fetching crate basic-pathfinding 0.2.8...
[INFO] testing basic-pathfinding-0.2.8 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate basic-pathfinding 0.2.8 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate basic-pathfinding 0.2.8 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0050f076c385295c757dbe14a4a00e7b13b9dc989ce2594103b91b0ad49eab3
[INFO] running `Command { std: "docker" "start" "-a" "f0050f076c385295c757dbe14a4a00e7b13b9dc989ce2594103b91b0ad49eab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0050f076c385295c757dbe14a4a00e7b13b9dc989ce2594103b91b0ad49eab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0050f076c385295c757dbe14a4a00e7b13b9dc989ce2594103b91b0ad49eab3", kill_on_drop: false }`
[INFO] [stdout] f0050f076c385295c757dbe14a4a00e7b13b9dc989ce2594103b91b0ad49eab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9295e2aa1d7fb884889219a8cef7ccba5296738de223380234a8004c91e006c
[INFO] running `Command { std: "docker" "start" "-a" "f9295e2aa1d7fb884889219a8cef7ccba5296738de223380234a8004c91e006c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling basic-pathfinding v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "f9295e2aa1d7fb884889219a8cef7ccba5296738de223380234a8004c91e006c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9295e2aa1d7fb884889219a8cef7ccba5296738de223380234a8004c91e006c", kill_on_drop: false }`
[INFO] [stdout] f9295e2aa1d7fb884889219a8cef7ccba5296738de223380234a8004c91e006c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d416e6b6d0a7e8faab4638053d94fb5f1cf7a89f1c142d3b306c6e8724f5955
[INFO] running `Command { std: "docker" "start" "-a" "5d416e6b6d0a7e8faab4638053d94fb5f1cf7a89f1c142d3b306c6e8724f5955", 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 1.35s
[INFO] running `Command { std: "docker" "inspect" "5d416e6b6d0a7e8faab4638053d94fb5f1cf7a89f1c142d3b306c6e8724f5955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d416e6b6d0a7e8faab4638053d94fb5f1cf7a89f1c142d3b306c6e8724f5955", kill_on_drop: false }`
[INFO] [stdout] 5d416e6b6d0a7e8faab4638053d94fb5f1cf7a89f1c142d3b306c6e8724f5955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11549b2b293d2fb26271ca56a894c34e2452ae6c33d1ff1dc097e0705624e187
[INFO] running `Command { std: "docker" "start" "-a" "11549b2b293d2fb26271ca56a894c34e2452ae6c33d1ff1dc097e0705624e187", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/to_coord_map.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr] 7  |     let mut map = ::std::collections::HashMap::new();
[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: `basic-pathfinding` (test "to_coord_map") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_pathfinding-0453b355303772fd)
[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] [stderr]      Running tests/find_path.rs (/opt/rustwide/target/debug/deps/find_path-cee37c80a2ff7040)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test early_returns ... ok
[INFO] [stdout] test none_when_cannot_find_path ... ok
[INFO] [stdout] test none_when_target_unstoppable ... ok
[INFO] [stdout] test accepts_opt_to_end_on_unstoppable ... ok
[INFO] [stdout] test none_when_not_walkable ... ok
[INFO] [stdout] test path_avoids_unwalkable_coords ... ok
[INFO] [stdout] test path_navigates_hex_grids ... ok
[INFO] [stdout] test path_cancels_early_with_cost_threshold ... ok
[INFO] [stdout] test path_navigates_intercardinal_grids ... ok
[INFO] [stdout] test path_navigates_to_adjacent_coord ... ok
[INFO] [stdout] test path_terminates_with_cost_threshold ... ok
[INFO] [stdout] test path_navigates_to_adjacent_walkable_coord ... ok
[INFO] [stdout] test respects_extra_costs ... ok
[INFO] [stdout] test respects_costs ... ok
[INFO] [stdout] test prefers_straight_paths ... ok
[INFO] [stdout] test traverses_walkable_tiles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/find_walkable.rs (/opt/rustwide/target/debug/deps/find_walkable-e4111a03e918eb54)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test avoids_unstoppable_coords ... ok
[INFO] [stdout] test doesnt_include_unwalkable_start ... ok
[INFO] [stdout] test cancels_early_with_cost_threshold ... ok
[INFO] [stdout] test navigates_intercardinal_grids ... ok
[INFO] [stdout] test avoids_unwalkable_coords ... ok
[INFO] [stdout] test only_traverses_walkable_tiles ... ok
[INFO] [stdout] test reports_start_only_when_cost_zero ... ok
[INFO] [stdout] test navigates_hex_grids ... ok
[INFO] [stdout] test searches_from_multiple_sources ... 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] [stderr]      Running tests/to_coord_map.rs (/opt/rustwide/target/debug/deps/to_coord_map-58b8aa03f268ea06)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test converts_to_coord_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests basic-pathfinding
[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" "11549b2b293d2fb26271ca56a894c34e2452ae6c33d1ff1dc097e0705624e187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11549b2b293d2fb26271ca56a894c34e2452ae6c33d1ff1dc097e0705624e187", kill_on_drop: false }`
[INFO] [stdout] 11549b2b293d2fb26271ca56a894c34e2452ae6c33d1ff1dc097e0705624e187