[INFO] fetching crate rubbl_fits 0.2.4...
[INFO] checking rubbl_fits-0.2.4 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate rubbl_fits 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rubbl_fits 0.2.4 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-7/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84ae584b63c9f1bbfb1ebd4cc0b0656d9ca609fd07ef2d23f287edaf0488a2c3
[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" "84ae584b63c9f1bbfb1ebd4cc0b0656d9ca609fd07ef2d23f287edaf0488a2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ae584b63c9f1bbfb1ebd4cc0b0656d9ca609fd07ef2d23f287edaf0488a2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ae584b63c9f1bbfb1ebd4cc0b0656d9ca609fd07ef2d23f287edaf0488a2c3", kill_on_drop: false }`
[INFO] [stdout] 84ae584b63c9f1bbfb1ebd4cc0b0656d9ca609fd07ef2d23f287edaf0488a2c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1183ff4fc25f90b55e0c5cc2f4dec7aa44cf03a0d145cf6557dccc4ea4df1ff9
[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" "1183ff4fc25f90b55e0c5cc2f4dec7aa44cf03a0d145cf6557dccc4ea4df1ff9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking matrixmultiply v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-complex v0.4.0
[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]     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 15.48s
[INFO] running `Command { std: "docker" "inspect" "1183ff4fc25f90b55e0c5cc2f4dec7aa44cf03a0d145cf6557dccc4ea4df1ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1183ff4fc25f90b55e0c5cc2f4dec7aa44cf03a0d145cf6557dccc4ea4df1ff9", kill_on_drop: false }`
[INFO] [stdout] 1183ff4fc25f90b55e0c5cc2f4dec7aa44cf03a0d145cf6557dccc4ea4df1ff9