[INFO] fetching crate matfile-ndarray 0.2.0... [INFO] testing matfile-ndarray-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate matfile-ndarray 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate matfile-ndarray 0.2.0 [INFO] finished tweaking crates.io crate matfile-ndarray 0.2.0 [INFO] tweaked toml for crates.io crate matfile-ndarray 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate matfile-ndarray 0.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate matfile-ndarray 0.2.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9bb049790d4e228294840f1299111fecb94d7563c07e64f6bb05a66cf9b7bf3f [INFO] running `Command { std: "docker" "start" "-a" "9bb049790d4e228294840f1299111fecb94d7563c07e64f6bb05a66cf9b7bf3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bb049790d4e228294840f1299111fecb94d7563c07e64f6bb05a66cf9b7bf3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bb049790d4e228294840f1299111fecb94d7563c07e64f6bb05a66cf9b7bf3f", kill_on_drop: false }` [INFO] [stdout] 9bb049790d4e228294840f1299111fecb94d7563c07e64f6bb05a66cf9b7bf3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3fd187f285c1fbe3322d940c2cc5ddc84a08279a3b80dd5f8f9966950a70514 [INFO] running `Command { std: "docker" "start" "-a" "d3fd187f285c1fbe3322d940c2cc5ddc84a08279a3b80dd5f8f9966950a70514", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling rle-decode-fast v1.0.1 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling matrixmultiply v0.2.3 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling libflate v0.1.27 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum-primitive-derive v0.1.2 [INFO] [stderr] Compiling matfile v0.2.0 [INFO] [stderr] Compiling matfile-ndarray v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.36s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "d3fd187f285c1fbe3322d940c2cc5ddc84a08279a3b80dd5f8f9966950a70514", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3fd187f285c1fbe3322d940c2cc5ddc84a08279a3b80dd5f8f9966950a70514", kill_on_drop: false }` [INFO] [stdout] d3fd187f285c1fbe3322d940c2cc5ddc84a08279a3b80dd5f8f9966950a70514 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 743463ce5b8f0961bdaff9f8615cadd6d485cd6a388dc184b825341fe2b881e2 [INFO] running `Command { std: "docker" "start" "-a" "743463ce5b8f0961bdaff9f8615cadd6d485cd6a388dc184b825341fe2b881e2", kill_on_drop: false }` [INFO] [stderr] Compiling matfile-ndarray v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "743463ce5b8f0961bdaff9f8615cadd6d485cd6a388dc184b825341fe2b881e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "743463ce5b8f0961bdaff9f8615cadd6d485cd6a388dc184b825341fe2b881e2", kill_on_drop: false }` [INFO] [stdout] 743463ce5b8f0961bdaff9f8615cadd6d485cd6a388dc184b825341fe2b881e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d187a3c7f9288ae990a9be780734e337f76dcfdb3960b0cbd0c847f9eb3d583f [INFO] running `Command { std: "docker" "start" "-a" "d187a3c7f9288ae990a9be780734e337f76dcfdb3960b0cbd0c847f9eb3d583f", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matfile_ndarray-20b5d9a4c446308e) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests matfile_ndarray [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 37) ... FAILED [INFO] [stdout] test src/lib.rs - (line 21) ... FAILED [INFO] [stdout] test src/lib.rs - (line 13) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 37) 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:40:16 [INFO] [stdout] | [INFO] [stdout] 5 | let data = include_bytes!("../../tests/single_complex.mat"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:39:29 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 21) stdout ---- [INFO] [stdout] error: couldn't read `src/../../tests/multidimensional.mat`: No such file or directory (os error 2) [INFO] [stdout] --> src/lib.rs:24:16 [INFO] [stdout] | [INFO] [stdout] 5 | let data = include_bytes!("../../tests/multidimensional.mat"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:23:29 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 4 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 21) [INFO] [stdout] src/lib.rs - (line 37) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "d187a3c7f9288ae990a9be780734e337f76dcfdb3960b0cbd0c847f9eb3d583f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d187a3c7f9288ae990a9be780734e337f76dcfdb3960b0cbd0c847f9eb3d583f", kill_on_drop: false }` [INFO] [stdout] d187a3c7f9288ae990a9be780734e337f76dcfdb3960b0cbd0c847f9eb3d583f