[INFO] fetching crate path-finding 0.8.0...
[INFO] checking path-finding-0.8.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate path-finding 0.8.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate path-finding 0.8.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate path-finding 0.8.0
[INFO] finished tweaking crates.io crate path-finding 0.8.0
[INFO] tweaked toml for crates.io crate path-finding 0.8.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.5.0)
[INFO] [stderr]       Adding ordered-float v3.9.2 (latest: v4.2.2)
[INFO] [stderr]       Adding priority-queue v1.4.0 (latest: v2.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v1.4.0
[INFO] [stderr]   Downloaded ordered-float v3.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e95f82bb02e90cf3ed4108d90f15fcb1e00643bb5aa51691bc5a2581e423c5c
[INFO] running `Command { std: "docker" "start" "-a" "7e95f82bb02e90cf3ed4108d90f15fcb1e00643bb5aa51691bc5a2581e423c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e95f82bb02e90cf3ed4108d90f15fcb1e00643bb5aa51691bc5a2581e423c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e95f82bb02e90cf3ed4108d90f15fcb1e00643bb5aa51691bc5a2581e423c5c", kill_on_drop: false }`
[INFO] [stdout] 7e95f82bb02e90cf3ed4108d90f15fcb1e00643bb5aa51691bc5a2581e423c5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faaac9f2cf16cdbed9d391878216262c7352d683ba35eead95312df09f28fe15
[INFO] running `Command { std: "docker" "start" "-a" "faaac9f2cf16cdbed9d391878216262c7352d683ba35eead95312df09f28fe15", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[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 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/search.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use breadth_first::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ the name `BreadthFirstSearch` in the type namespace is first re-exported here
[INFO] [stdout] 3 | pub use depth_first::*;
[INFO] [stdout] 4 | 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: unused import: `breadth_first::*`
[INFO] [stdout]  --> src/search.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use breadth_first::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/search.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use breadth_first::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ the name `BreadthFirstSearch` in the type namespace is first re-exported here
[INFO] [stdout] 3 | pub use depth_first::*;
[INFO] [stdout] 4 | 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: unused import: `breadth_first::*`
[INFO] [stdout]  --> src/search.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use breadth_first::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "faaac9f2cf16cdbed9d391878216262c7352d683ba35eead95312df09f28fe15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faaac9f2cf16cdbed9d391878216262c7352d683ba35eead95312df09f28fe15", kill_on_drop: false }`
[INFO] [stdout] faaac9f2cf16cdbed9d391878216262c7352d683ba35eead95312df09f28fe15