[INFO] fetching crate PrimitiveAssembler 0.1.2...
[INFO] checking PrimitiveAssembler-0.1.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate PrimitiveAssembler 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate PrimitiveAssembler 0.1.2 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate PrimitiveAssembler 0.1.2
[INFO] finished tweaking crates.io crate PrimitiveAssembler 0.1.2
[INFO] tweaked toml for crates.io crate PrimitiveAssembler 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35ca275926aa603ca1264dd01cd5cc27e814f85fc944297b1dcb367d4225d3dc
[INFO] running `Command { std: "docker" "start" "-a" "35ca275926aa603ca1264dd01cd5cc27e814f85fc944297b1dcb367d4225d3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35ca275926aa603ca1264dd01cd5cc27e814f85fc944297b1dcb367d4225d3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ca275926aa603ca1264dd01cd5cc27e814f85fc944297b1dcb367d4225d3dc", kill_on_drop: false }`
[INFO] [stdout] 35ca275926aa603ca1264dd01cd5cc27e814f85fc944297b1dcb367d4225d3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 213aa3e38351ec657e2695460e6d7612f40f7364214abbc6fc57b97d5d653087
[INFO] running `Command { std: "docker" "start" "-a" "213aa3e38351ec657e2695460e6d7612f40f7364214abbc6fc57b97d5d653087", kill_on_drop: false }`
[INFO] [stderr]     Checking PrimitiveAssembler v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `last_vertex` is never read
[INFO] [stdout]  --> src/line.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut last_vertex=0;
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PrimitiveAssembler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `primitive_assembler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_vertex` is never read
[INFO] [stdout]  --> src/line.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let mut last_vertex=0;
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/lib.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let line=line_assemble(LineAssembleMode::Loop,vertices);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PrimitiveAssembler` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `primitive_assembler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "213aa3e38351ec657e2695460e6d7612f40f7364214abbc6fc57b97d5d653087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213aa3e38351ec657e2695460e6d7612f40f7364214abbc6fc57b97d5d653087", kill_on_drop: false }`
[INFO] [stdout] 213aa3e38351ec657e2695460e6d7612f40f7364214abbc6fc57b97d5d653087