[INFO] fetching crate hdf5file 0.1.1...
[INFO] testing hdf5file-0.1.1 against try#ece70b22820429ebf0c6d388c32356a14c58fc2f for pr-107251
[INFO] extracting crate hdf5file 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate hdf5file 0.1.1 on toolchain ece70b22820429ebf0c6d388c32356a14c58fc2f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hdf5file 0.1.1
[INFO] finished tweaking crates.io crate hdf5file 0.1.1
[INFO] tweaked toml for crates.io crate hdf5file 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ad562dcbdfa62d005a9a3cafd99ab8c530ff361bba03ba014b8fd68e84c69e5
[INFO] running `Command { std: "docker" "start" "-a" "4ad562dcbdfa62d005a9a3cafd99ab8c530ff361bba03ba014b8fd68e84c69e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ad562dcbdfa62d005a9a3cafd99ab8c530ff361bba03ba014b8fd68e84c69e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad562dcbdfa62d005a9a3cafd99ab8c530ff361bba03ba014b8fd68e84c69e5", kill_on_drop: false }`
[INFO] [stdout] 4ad562dcbdfa62d005a9a3cafd99ab8c530ff361bba03ba014b8fd68e84c69e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 869e7ee1a1799a47f1f4f9208d54b531c1390fdc2b52983f9e7b41eac65a311e
[INFO] running `Command { std: "docker" "start" "-a" "869e7ee1a1799a47f1f4f9208d54b531c1390fdc2b52983f9e7b41eac65a311e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling trackable v1.2.0
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling hdf5file v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `data_segment_size` and `free_list_head_offset` are never read
[INFO] [stdout]   --> src/lowlevel/level1.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LocalHeap {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 12 |     data_segment_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     free_list_head_offset: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LocalHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `object_reference_count` and `object_header_size` are never read
[INFO] [stdout]   --> src/lowlevel/level2.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct ObjectHeaderPrefix {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 86 |     messages: Vec<HeaderMessage>,
[INFO] [stdout] 87 |     object_reference_count: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 88 |     object_header_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ObjectHeaderPrefix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct HeaderMessage {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 134 |     flags: HeaderMessageFlags,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HeaderMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dimension_max_sizes` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub struct DataspaceMessage {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 176 |     dimension_sizes: Vec<u64>,
[INFO] [stdout] 177 |     dimension_max_sizes: Option<Vec<u64>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DataspaceMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct FloatingPointDatatype {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] 290 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FloatingPointDatatype` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bit_field`, `size`, `bit_offset`, and `bit_precision` are never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub struct FixedPointDatatype {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 364 |     bit_field: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 365 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 366 |
[INFO] [stdout] 367 |     bit_offset: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 368 |     bit_precision: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FixedPointDatatype` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `space_allocation_time`, `fill_value_write_time`, and `fill_value` are never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 434 | pub struct FillValueMessage {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 435 |     space_allocation_time: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 436 |     fill_value_write_time: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 437 |     fill_value: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FillValueMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `unixtime_seconds` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:516:5
[INFO] [stdout]     |
[INFO] [stdout] 515 | pub struct ObjectModificationTimeMessage {
[INFO] [stdout]     |            ----------------------------- field in this struct
[INFO] [stdout] 516 |     unixtime_seconds: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ObjectModificationTimeMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "869e7ee1a1799a47f1f4f9208d54b531c1390fdc2b52983f9e7b41eac65a311e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869e7ee1a1799a47f1f4f9208d54b531c1390fdc2b52983f9e7b41eac65a311e", kill_on_drop: false }`
[INFO] [stdout] 869e7ee1a1799a47f1f4f9208d54b531c1390fdc2b52983f9e7b41eac65a311e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94c94d2e23e3020bf293140eccda24d0abc40e92a89895db2fa7a3d9d28f928e
[INFO] running `Command { std: "docker" "start" "-a" "94c94d2e23e3020bf293140eccda24d0abc40e92a89895db2fa7a3d9d28f928e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stdout] warning: fields `data_segment_size` and `free_list_head_offset` are never read
[INFO] [stdout]   --> src/lowlevel/level1.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LocalHeap {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 12 |     data_segment_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     free_list_head_offset: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LocalHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `object_reference_count` and `object_header_size` are never read
[INFO] [stdout]   --> src/lowlevel/level2.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct ObjectHeaderPrefix {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 86 |     messages: Vec<HeaderMessage>,
[INFO] [stdout] 87 |     object_reference_count: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 88 |     object_header_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ObjectHeaderPrefix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct HeaderMessage {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 134 |     flags: HeaderMessageFlags,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HeaderMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dimension_max_sizes` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub struct DataspaceMessage {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 176 |     dimension_sizes: Vec<u64>,
[INFO] [stdout] 177 |     dimension_max_sizes: Option<Vec<u64>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DataspaceMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct FloatingPointDatatype {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] 290 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FloatingPointDatatype` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bit_field`, `size`, `bit_offset`, and `bit_precision` are never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub struct FixedPointDatatype {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 364 |     bit_field: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 365 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 366 |
[INFO] [stdout] 367 |     bit_offset: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 368 |     bit_precision: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FixedPointDatatype` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `space_allocation_time`, `fill_value_write_time`, and `fill_value` are never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 434 | pub struct FillValueMessage {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 435 |     space_allocation_time: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 436 |     fill_value_write_time: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 437 |     fill_value: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FillValueMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `unixtime_seconds` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:516:5
[INFO] [stdout]     |
[INFO] [stdout] 515 | pub struct ObjectModificationTimeMessage {
[INFO] [stdout]     |            ----------------------------- field in this struct
[INFO] [stdout] 516 |     unixtime_seconds: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ObjectModificationTimeMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling hdf5file v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> examples/object.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 33 | /                 println!(
[INFO] [stdout] 34 | |                     "{}",
[INFO] [stdout] 35 | |                     track_assert_some!(track!(object_path)?.to_str(), trackable::error::Failed)
[INFO] [stdout]    | |                     -------------------^^^^^^^^^^^^^^^^^^^^------------------------------------
[INFO] [stdout]    | |                     |                  |
[INFO] [stdout]    | |                     |                  creates a temporary value which is freed while still in use
[INFO] [stdout]    | |                     temporary value is freed at the end of this statement
[INFO] [stdout] 36 | |                 );
[INFO] [stdout]    | |_________________- borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hdf5file` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `data_segment_size` and `free_list_head_offset` are never read
[INFO] [stdout]   --> src/lowlevel/level1.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct LocalHeap {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 12 |     data_segment_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     free_list_head_offset: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LocalHeap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `object_reference_count` and `object_header_size` are never read
[INFO] [stdout]   --> src/lowlevel/level2.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct ObjectHeaderPrefix {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 86 |     messages: Vec<HeaderMessage>,
[INFO] [stdout] 87 |     object_reference_count: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 88 |     object_header_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ObjectHeaderPrefix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct HeaderMessage {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 134 |     flags: HeaderMessageFlags,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HeaderMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dimension_max_sizes` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub struct DataspaceMessage {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] 176 |     dimension_sizes: Vec<u64>,
[INFO] [stdout] 177 |     dimension_max_sizes: Option<Vec<u64>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DataspaceMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct FloatingPointDatatype {
[INFO] [stdout]     |            --------------------- field in this struct
[INFO] [stdout] 290 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FloatingPointDatatype` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bit_field`, `size`, `bit_offset`, and `bit_precision` are never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 363 | pub struct FixedPointDatatype {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 364 |     bit_field: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 365 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 366 |
[INFO] [stdout] 367 |     bit_offset: u16,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 368 |     bit_precision: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FixedPointDatatype` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `space_allocation_time`, `fill_value_write_time`, and `fill_value` are never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 434 | pub struct FillValueMessage {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 435 |     space_allocation_time: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 436 |     fill_value_write_time: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 437 |     fill_value: Option<Vec<u8>>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FillValueMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `unixtime_seconds` is never read
[INFO] [stdout]    --> src/lowlevel/level2.rs:516:5
[INFO] [stdout]     |
[INFO] [stdout] 515 | pub struct ObjectModificationTimeMessage {
[INFO] [stdout]     |            ----------------------------- field in this struct
[INFO] [stdout] 516 |     unixtime_seconds: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ObjectModificationTimeMessage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94c94d2e23e3020bf293140eccda24d0abc40e92a89895db2fa7a3d9d28f928e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c94d2e23e3020bf293140eccda24d0abc40e92a89895db2fa7a3d9d28f928e", kill_on_drop: false }`
[INFO] [stdout] 94c94d2e23e3020bf293140eccda24d0abc40e92a89895db2fa7a3d9d28f928e