[INFO] fetching crate path-finding 0.8.0...
[INFO] checking path-finding-0.8.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate path-finding 0.8.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate path-finding 0.8.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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 11 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding ordered-float v3.9.2 (available: v4.3.0)
[INFO] [stderr]       Adding priority-queue v1.4.0 (available: v2.1.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c4935706fe111ee1d50e6248c5c3e80d457bda9922e842afa661fb195883559
[INFO] running `Command { std: "docker" "start" "-a" "5c4935706fe111ee1d50e6248c5c3e80d457bda9922e842afa661fb195883559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c4935706fe111ee1d50e6248c5c3e80d457bda9922e842afa661fb195883559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4935706fe111ee1d50e6248c5c3e80d457bda9922e842afa661fb195883559", kill_on_drop: false }`
[INFO] [stdout] 5c4935706fe111ee1d50e6248c5c3e80d457bda9922e842afa661fb195883559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0895ce74d97dbd340e32e2cb0de6895b53c0a5be3cc4bd17e3327d5e90aa8d82
[INFO] running `Command { std: "docker" "start" "-a" "0895ce74d97dbd340e32e2cb0de6895b53c0a5be3cc4bd17e3327d5e90aa8d82", 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 6.36s
[INFO] running `Command { std: "docker" "inspect" "0895ce74d97dbd340e32e2cb0de6895b53c0a5be3cc4bd17e3327d5e90aa8d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0895ce74d97dbd340e32e2cb0de6895b53c0a5be3cc4bd17e3327d5e90aa8d82", kill_on_drop: false }`
[INFO] [stdout] 0895ce74d97dbd340e32e2cb0de6895b53c0a5be3cc4bd17e3327d5e90aa8d82