[INFO] fetching crate matfile 0.4.0...
[INFO] testing matfile-0.4.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate matfile 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate matfile 0.4.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matfile 0.4.0
[INFO] finished tweaking crates.io crate matfile 0.4.0
[INFO] tweaked toml for crates.io crate matfile 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate matfile 0.4.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libflate v1.3.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.3
[INFO] [stderr]   Downloaded enum-primitive-derive v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 850aed2d9f9db7d194cd244eb2f42ff8ba8dad9aa7308f8f0c82cf01cb65b149
[INFO] running `Command { std: "docker" "start" "-a" "850aed2d9f9db7d194cd244eb2f42ff8ba8dad9aa7308f8f0c82cf01cb65b149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "850aed2d9f9db7d194cd244eb2f42ff8ba8dad9aa7308f8f0c82cf01cb65b149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850aed2d9f9db7d194cd244eb2f42ff8ba8dad9aa7308f8f0c82cf01cb65b149", kill_on_drop: false }`
[INFO] [stdout] 850aed2d9f9db7d194cd244eb2f42ff8ba8dad9aa7308f8f0c82cf01cb65b149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecee416f756c5a982953d70034887c4576517808adade25872532dfbaf830c8f
[INFO] running `Command { std: "docker" "start" "-a" "ecee416f756c5a982953d70034887c4576517808adade25872532dfbaf830c8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling libflate_lz77 v1.2.0
[INFO] [stderr]    Compiling libflate v1.3.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]    Compiling matfile v0.4.0 (/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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "ecee416f756c5a982953d70034887c4576517808adade25872532dfbaf830c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecee416f756c5a982953d70034887c4576517808adade25872532dfbaf830c8f", kill_on_drop: false }`
[INFO] [stdout] ecee416f756c5a982953d70034887c4576517808adade25872532dfbaf830c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d5d85f8fc0dc4f595b78d03a6829e7cba8db08074db034339a27381b4b5010
[INFO] running `Command { std: "docker" "start" "-a" "a6d5d85f8fc0dc4f595b78d03a6829e7cba8db08074db034339a27381b4b5010", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling matfile v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matfile` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "a6d5d85f8fc0dc4f595b78d03a6829e7cba8db08074db034339a27381b4b5010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d5d85f8fc0dc4f595b78d03a6829e7cba8db08074db034339a27381b4b5010", kill_on_drop: false }`
[INFO] [stdout] a6d5d85f8fc0dc4f595b78d03a6829e7cba8db08074db034339a27381b4b5010
