[INFO] fetching crate half_edge_mesh 1.1.8...
[INFO] checking half_edge_mesh-1.1.8 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate half_edge_mesh 1.1.8 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate half_edge_mesh 1.1.8 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate half_edge_mesh 1.1.8
[INFO] finished tweaking crates.io crate half_edge_mesh 1.1.8
[INFO] tweaked toml for crates.io crate half_edge_mesh 1.1.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.1.1 (latest: v0.5.1)
[INFO] [stderr]       Adding cgmath v0.16.1 (latest: v0.18.0)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7eea321bf671a827f12246347e7c653890419517982a6641f6cf764493d7a9ca
[INFO] running `Command { std: "docker" "start" "-a" "7eea321bf671a827f12246347e7c653890419517982a6641f6cf764493d7a9ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eea321bf671a827f12246347e7c653890419517982a6641f6cf764493d7a9ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eea321bf671a827f12246347e7c653890419517982a6641f6cf764493d7a9ca", kill_on_drop: false }`
[INFO] [stdout] 7eea321bf671a827f12246347e7c653890419517982a6641f6cf764493d7a9ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31cfff6accb670498fe30aceed3804ecf46de1933d9fc0e1c7ad5104c7ad6f90
[INFO] running `Command { std: "docker" "start" "-a" "31cfff6accb670498fe30aceed3804ecf46de1933d9fc0e1c7ad5104c7ad6f90", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking half_edge_mesh v1.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/edge.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     state.finish();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = state.finish();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/vert.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     state.finish();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = state.finish();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/face.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     state.finish();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let _ = state.finish();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/edge.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     state.finish();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = state.finish();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]   --> src/vert.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     state.finish();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let _ = state.finish();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `finish` that must be used
[INFO] [stdout]    --> src/face.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     state.finish();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let _ = state.finish();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `Command { std: "docker" "inspect" "31cfff6accb670498fe30aceed3804ecf46de1933d9fc0e1c7ad5104c7ad6f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31cfff6accb670498fe30aceed3804ecf46de1933d9fc0e1c7ad5104c7ad6f90", kill_on_drop: false }`
[INFO] [stdout] 31cfff6accb670498fe30aceed3804ecf46de1933d9fc0e1c7ad5104c7ad6f90