[INFO] fetching crate PrimitiveAssembler 0.1.2...
[INFO] testing PrimitiveAssembler-0.1.2 against beta-2021-09-08 for beta-1.56-1
[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 beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d70ac16cb396edaa1c8305f642aae48233814c7146904f1d98af008ed955852
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d70ac16cb396edaa1c8305f642aae48233814c7146904f1d98af008ed955852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d70ac16cb396edaa1c8305f642aae48233814c7146904f1d98af008ed955852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d70ac16cb396edaa1c8305f642aae48233814c7146904f1d98af008ed955852", kill_on_drop: false }`
[INFO] [stdout] 6d70ac16cb396edaa1c8305f642aae48233814c7146904f1d98af008ed955852
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc16de220ad203b4eb14ca0c8649b7781363249918276ff195376ec5242842b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc16de220ad203b4eb14ca0c8649b7781363249918276ff195376ec5242842b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "cc16de220ad203b4eb14ca0c8649b7781363249918276ff195376ec5242842b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc16de220ad203b4eb14ca0c8649b7781363249918276ff195376ec5242842b5", kill_on_drop: false }`
[INFO] [stdout] cc16de220ad203b4eb14ca0c8649b7781363249918276ff195376ec5242842b5
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0be94d64b1500eae420c86dd4f35f7a4a4ec83355d0acfcac350bbd17d9f7c13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0be94d64b1500eae420c86dd4f35f7a4a4ec83355d0acfcac350bbd17d9f7c13", kill_on_drop: false }`
[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] [stderr]    Compiling PrimitiveAssembler v0.1.2 (/opt/rustwide/workdir)
[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 test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "0be94d64b1500eae420c86dd4f35f7a4a4ec83355d0acfcac350bbd17d9f7c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be94d64b1500eae420c86dd4f35f7a4a4ec83355d0acfcac350bbd17d9f7c13", kill_on_drop: false }`
[INFO] [stdout] 0be94d64b1500eae420c86dd4f35f7a4a4ec83355d0acfcac350bbd17d9f7c13
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bea1d5da8412d53f85ef99a74ea7e37088b3ca7e87c6c90637d82ba2ba09b8e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1bea1d5da8412d53f85ef99a74ea7e37088b3ca7e87c6c90637d82ba2ba09b8e", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `last_vertex` is never read
[INFO] [stderr]  --> src/line.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let mut last_vertex=0;
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: crate `PrimitiveAssembler` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `primitive_assembler`
[INFO] [stderr] 
[INFO] [stderr] warning: `PrimitiveAssembler` (lib) generated 2 warnings
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/lib.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let line=line_assemble(LineAssembleMode::Loop,vertices);
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `PrimitiveAssembler` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/PrimitiveAssembler-a1e0050b1f678094)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests PrimitiveAssembler
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1bea1d5da8412d53f85ef99a74ea7e37088b3ca7e87c6c90637d82ba2ba09b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bea1d5da8412d53f85ef99a74ea7e37088b3ca7e87c6c90637d82ba2ba09b8e", kill_on_drop: false }`
[INFO] [stdout] 1bea1d5da8412d53f85ef99a74ea7e37088b3ca7e87c6c90637d82ba2ba09b8e