[INFO] fetching crate path-finding-lib 0.3.1...
[INFO] checking path-finding-lib-0.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate path-finding-lib 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate path-finding-lib 0.3.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate path-finding-lib 0.3.1
[INFO] finished tweaking crates.io crate path-finding-lib 0.3.1
[INFO] tweaked toml for crates.io crate path-finding-lib 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding ordered-float v3.9.2 (latest: v4.2.0)
[INFO] [stderr]       Adding priority-queue v1.4.0 (latest: v2.0.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf596054fc4bd4b28e0ad7e9ee894fc18a6ecd11db24647a534ea4128151a274
[INFO] running `Command { std: "docker" "start" "-a" "cf596054fc4bd4b28e0ad7e9ee894fc18a6ecd11db24647a534ea4128151a274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf596054fc4bd4b28e0ad7e9ee894fc18a6ecd11db24647a534ea4128151a274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf596054fc4bd4b28e0ad7e9ee894fc18a6ecd11db24647a534ea4128151a274", kill_on_drop: false }`
[INFO] [stdout] cf596054fc4bd4b28e0ad7e9ee894fc18a6ecd11db24647a534ea4128151a274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f01da38e28126db77a502bd510a6dabbe9344301cd8b0f78093ba7e2a3425736
[INFO] running `Command { std: "docker" "start" "-a" "f01da38e28126db77a502bd510a6dabbe9344301cd8b0f78093ba7e2a3425736", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking path-finding-lib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/search.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub use breadth_first::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `BreadthFirstSearch` in the type namespace is first re-exported here
[INFO] [stdout] 9  | pub use depth_first::*;
[INFO] [stdout] 10 | pub use dijkstra::*;
[INFO] [stdout]    |         ----------- but the name `BreadthFirstSearch` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/search.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub use breadth_first::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `BreadthFirstSearch` in the type namespace is first re-exported here
[INFO] [stdout] 9  | pub use depth_first::*;
[INFO] [stdout] 10 | pub use dijkstra::*;
[INFO] [stdout]    |         ----------- but the name `BreadthFirstSearch` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "f01da38e28126db77a502bd510a6dabbe9344301cd8b0f78093ba7e2a3425736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01da38e28126db77a502bd510a6dabbe9344301cd8b0f78093ba7e2a3425736", kill_on_drop: false }`
[INFO] [stdout] f01da38e28126db77a502bd510a6dabbe9344301cd8b0f78093ba7e2a3425736
[INFO] checking path-finding-lib-0.3.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate path-finding-lib 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate path-finding-lib 0.3.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate path-finding-lib 0.3.1
[INFO] finished tweaking crates.io crate path-finding-lib 0.3.1
[INFO] tweaked toml for crates.io crate path-finding-lib 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7995bd677ed0dae5c93036e203dec7b379651cd06eab6bec99bc70214b88dd6
[INFO] running `Command { std: "docker" "start" "-a" "e7995bd677ed0dae5c93036e203dec7b379651cd06eab6bec99bc70214b88dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7995bd677ed0dae5c93036e203dec7b379651cd06eab6bec99bc70214b88dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7995bd677ed0dae5c93036e203dec7b379651cd06eab6bec99bc70214b88dd6", kill_on_drop: false }`
[INFO] [stdout] e7995bd677ed0dae5c93036e203dec7b379651cd06eab6bec99bc70214b88dd6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b480554cd8d533bde9388228252630bcff2cc88c4c44f949c6321f5f7dc1a68
[INFO] running `Command { std: "docker" "start" "-a" "6b480554cd8d533bde9388228252630bcff2cc88c4c44f949c6321f5f7dc1a68", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking path-finding-lib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/search.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub use breadth_first::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `BreadthFirstSearch` in the type namespace is first re-exported here
[INFO] [stdout] 9  | pub use depth_first::*;
[INFO] [stdout] 10 | pub use dijkstra::*;
[INFO] [stdout]    |         ----------- but the name `BreadthFirstSearch` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/search.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub use breadth_first::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ the name `BreadthFirstSearch` in the type namespace is first re-exported here
[INFO] [stdout] 9  | pub use depth_first::*;
[INFO] [stdout] 10 | pub use dijkstra::*;
[INFO] [stdout]    |         ----------- but the name `BreadthFirstSearch` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/search/a_star.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     match &graph.node_position_lookup {
[INFO] [stdout] 12 | |         None => panic!("You must offer node positions to the graph before using this heuristic."),
[INFO] [stdout] 13 | |         Some(positions) => {
[INFO] [stdout] 14 | |             return match positions.get(&node_id) {
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     };
[INFO] [stdout]    | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `path-finding-lib` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/search/a_star.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     match &graph.node_position_lookup {
[INFO] [stdout] 12 | |         None => panic!("You must offer node positions to the graph before using this heuristic."),
[INFO] [stdout] 13 | |         Some(positions) => {
[INFO] [stdout] 14 | |             return match positions.get(&node_id) {
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     };
[INFO] [stdout]    | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `path-finding-lib` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6b480554cd8d533bde9388228252630bcff2cc88c4c44f949c6321f5f7dc1a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b480554cd8d533bde9388228252630bcff2cc88c4c44f949c6321f5f7dc1a68", kill_on_drop: false }`
[INFO] [stdout] 6b480554cd8d533bde9388228252630bcff2cc88c4c44f949c6321f5f7dc1a68