[INFO] fetching crate matfile 0.5.0...
[INFO] testing matfile-0.5.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate matfile 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate matfile 0.5.0
[INFO] finished tweaking crates.io crate matfile 0.5.0
[INFO] tweaked toml for crates.io crate matfile 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matfile 0.5.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate matfile 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e16344a4622673b4d7fd7a822725ec400777e7dd1a864b221e1ab2583961d04d
[INFO] running `Command { std: "docker" "start" "-a" "e16344a4622673b4d7fd7a822725ec400777e7dd1a864b221e1ab2583961d04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e16344a4622673b4d7fd7a822725ec400777e7dd1a864b221e1ab2583961d04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16344a4622673b4d7fd7a822725ec400777e7dd1a864b221e1ab2583961d04d", kill_on_drop: false }`
[INFO] [stdout] e16344a4622673b4d7fd7a822725ec400777e7dd1a864b221e1ab2583961d04d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24bc87513bb9a36f7c637cfcc0fb9216bf70d808e44e3c4eaf56946d15378423
[INFO] running `Command { std: "docker" "start" "-a" "24bc87513bb9a36f7c637cfcc0fb9216bf70d808e44e3c4eaf56946d15378423", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling dary_heap v0.3.7
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling libflate_lz77 v2.1.0
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]    Compiling libflate v2.1.0
[INFO] [stderr]    Compiling enum-primitive-derive v0.3.0
[INFO] [stderr]    Compiling matfile v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/parse.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Header {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 28 |     text: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/parse.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     SparseMatrix(
[INFO] [stdout]    |     ------------ fields in this variant
[INFO] [stdout] 88 |         ArrayFlags,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 89 |         Dimensions,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 90 |         String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 91 |         RowIndex,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 92 |         ColumnShift,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 93 |         NumericData,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 94 |         Option<NumericData>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 88 ~         (),
[INFO] [stdout] 89 ~         (),
[INFO] [stdout] 90 ~         (),
[INFO] [stdout] 91 ~         (),
[INFO] [stdout] 92 ~         (),
[INFO] [stdout] 93 ~         (),
[INFO] [stdout] 94 ~         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `global` and `logical` are never read
[INFO] [stdout]    --> src/parse.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub struct ArrayFlags {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 193 |     pub complex: bool,
[INFO] [stdout] 194 |     pub global: bool,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 195 |     pub logical: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ArrayFlags` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/parse.rs:760:9
[INFO] [stdout]     |
[INFO] [stdout] 759 | pub struct ParseResult {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 760 |     pub header: Header,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `Command { std: "docker" "inspect" "24bc87513bb9a36f7c637cfcc0fb9216bf70d808e44e3c4eaf56946d15378423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24bc87513bb9a36f7c637cfcc0fb9216bf70d808e44e3c4eaf56946d15378423", kill_on_drop: false }`
[INFO] [stdout] 24bc87513bb9a36f7c637cfcc0fb9216bf70d808e44e3c4eaf56946d15378423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d890f2c995ac0e57fc1543ced20d65685b85596bc72b7ef138e2df842efe9edd
[INFO] running `Command { std: "docker" "start" "-a" "d890f2c995ac0e57fc1543ced20d65685b85596bc72b7ef138e2df842efe9edd", kill_on_drop: false }`
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> src/parse.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Header {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 28 |     text: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/parse.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     SparseMatrix(
[INFO] [stdout]    |     ------------ fields in this variant
[INFO] [stdout] 88 |         ArrayFlags,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 89 |         Dimensions,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 90 |         String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 91 |         RowIndex,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 92 |         ColumnShift,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 93 |         NumericData,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 94 |         Option<NumericData>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataElement` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 88 ~         (),
[INFO] [stdout] 89 ~         (),
[INFO] [stdout] 90 ~         (),
[INFO] [stdout] 91 ~         (),
[INFO] [stdout] 92 ~         (),
[INFO] [stdout] 93 ~         (),
[INFO] [stdout] 94 ~         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `global` and `logical` are never read
[INFO] [stdout]    --> src/parse.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub struct ArrayFlags {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 193 |     pub complex: bool,
[INFO] [stdout] 194 |     pub global: bool,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 195 |     pub logical: bool,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ArrayFlags` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]    --> src/parse.rs:760:9
[INFO] [stdout]     |
[INFO] [stdout] 759 | pub struct ParseResult {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 760 |     pub header: Header,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling matfile v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/../tests/sparse1.mat`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/parse.rs:787:20
[INFO] [stdout]     |
[INFO] [stdout] 787 |         let data = include_bytes!("../tests/sparse1.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/sparse2.mat`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/parse.rs:809:20
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let data = include_bytes!("../tests/sparse2.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/double.mat`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:537:20
[INFO] [stdout]     |
[INFO] [stdout] 537 |         let data = include_bytes!("../tests/double.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/double_as_int16.mat`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:543:20
[INFO] [stdout]     |
[INFO] [stdout] 543 |         let data = include_bytes!("../tests/double_as_int16.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/double_as_uint8.mat`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:549:20
[INFO] [stdout]     |
[INFO] [stdout] 549 |         let data = include_bytes!("../tests/double_as_uint8.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/single_complex.mat`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:555:20
[INFO] [stdout]     |
[INFO] [stdout] 555 |         let data = include_bytes!("../tests/single_complex.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/two_arrays.mat`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:561:20
[INFO] [stdout]     |
[INFO] [stdout] 561 |         let data = include_bytes!("../tests/two_arrays.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/multidimensional.mat`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:567:20
[INFO] [stdout]     |
[INFO] [stdout] 567 |         let data = include_bytes!("../tests/multidimensional.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/long_name.mat`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:573:20
[INFO] [stdout]     |
[INFO] [stdout] 573 |         let data = include_bytes!("../tests/long_name.mat");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matfile` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "d890f2c995ac0e57fc1543ced20d65685b85596bc72b7ef138e2df842efe9edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d890f2c995ac0e57fc1543ced20d65685b85596bc72b7ef138e2df842efe9edd", kill_on_drop: false }`
[INFO] [stdout] d890f2c995ac0e57fc1543ced20d65685b85596bc72b7ef138e2df842efe9edd
