[INFO] fetching crate rubbl_fits 0.2.4...
[INFO] checking rubbl_fits-0.2.4 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate rubbl_fits 0.2.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rubbl_fits 0.2.4 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rubbl_fits 0.2.4
[INFO] finished tweaking crates.io crate rubbl_fits 0.2.4
[INFO] tweaked toml for crates.io crate rubbl_fits 0.2.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rubbl_fits 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.3.0
[INFO] [stderr]   Downloaded ndarray v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55fd739060e5fed59bd6fdf079872dc126f78c716d8f4dbd9a1b77b935594b4d
[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" "55fd739060e5fed59bd6fdf079872dc126f78c716d8f4dbd9a1b77b935594b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55fd739060e5fed59bd6fdf079872dc126f78c716d8f4dbd9a1b77b935594b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55fd739060e5fed59bd6fdf079872dc126f78c716d8f4dbd9a1b77b935594b4d", kill_on_drop: false }`
[INFO] [stdout] 55fd739060e5fed59bd6fdf079872dc126f78c716d8f4dbd9a1b77b935594b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a26381d162b95fc5f8fef3fa30cb52569a918b30facae54a9d8c2917f7ab4501
[INFO] running `Command { std: "docker" "start" "-a" "a26381d162b95fc5f8fef3fa30cb52569a918b30facae54a9d8c2917f7ab4501", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking matrixmultiply v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ndarray v0.15.1
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rubbl_core v0.2.1
[INFO] [stderr]     Checking rubbl_visdata v0.2.1
[INFO] [stderr]     Checking rubbl_fits v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `special_record_size`
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 356 |     special_record_size: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header_offset`
[INFO] [stdout]    --> src/lib.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |     header_offset: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_header_records`
[INFO] [stdout]    --> src/lib.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     n_header_records: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `special_record_size`
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 356 |     special_record_size: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header_offset`
[INFO] [stdout]    --> src/lib.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |     header_offset: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_header_records`
[INFO] [stdout]    --> src/lib.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     n_header_records: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.67s
[INFO] running `Command { std: "docker" "inspect" "a26381d162b95fc5f8fef3fa30cb52569a918b30facae54a9d8c2917f7ab4501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26381d162b95fc5f8fef3fa30cb52569a918b30facae54a9d8c2917f7ab4501", kill_on_drop: false }`
[INFO] [stdout] a26381d162b95fc5f8fef3fa30cb52569a918b30facae54a9d8c2917f7ab4501