[INFO] fetching crate funspace 0.4.0...
[INFO] testing funspace-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate funspace 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate funspace 0.4.0
[INFO] finished tweaking crates.io crate funspace 0.4.0
[INFO] tweaked toml for crates.io crate funspace 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate funspace 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate funspace 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5818c0710b0aa00dc26cea5df6f0cee0a1a98eabda14b4aa797953f1416e3173
[INFO] running `Command { std: "docker" "start" "-a" "5818c0710b0aa00dc26cea5df6f0cee0a1a98eabda14b4aa797953f1416e3173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5818c0710b0aa00dc26cea5df6f0cee0a1a98eabda14b4aa797953f1416e3173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5818c0710b0aa00dc26cea5df6f0cee0a1a98eabda14b4aa797953f1416e3173", kill_on_drop: false }`
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[INFO] [stdout] 2c590b5f9a68fbeb227dbf5161bc7b5c26d10da5fdb9bfe9e565c9bc1b273adf
[INFO] running `Command { std: "docker" "start" "-a" "2c590b5f9a68fbeb227dbf5161bc7b5c26d10da5fdb9bfe9e565c9bc1b273adf", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling rayon v1.5.1
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[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling transpose v0.2.1
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling rustfft v6.0.1
[INFO] [stderr]    Compiling ndarray v0.15.4
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[INFO] [stderr]    Compiling funspace v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/chebyshev/compo.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/chebyshev/compo.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/chebyshev/compo.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/chebyshev/ortho.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/chebyshev/ortho.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/chebyshev/ortho.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.33s
[INFO] running `Command { std: "docker" "inspect" "2c590b5f9a68fbeb227dbf5161bc7b5c26d10da5fdb9bfe9e565c9bc1b273adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c590b5f9a68fbeb227dbf5161bc7b5c26d10da5fdb9bfe9e565c9bc1b273adf", kill_on_drop: false }`
[INFO] [stdout] 2c590b5f9a68fbeb227dbf5161bc7b5c26d10da5fdb9bfe9e565c9bc1b273adf
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c518c77acade4d40ad906fae0d9f81a93dadfaffa1d8652cdad432897a4966e1
[INFO] running `Command { std: "docker" "start" "-a" "c518c77acade4d40ad906fae0d9f81a93dadfaffa1d8652cdad432897a4966e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/chebyshev/compo.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/chebyshev/compo.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/chebyshev/compo.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/chebyshev/ortho.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/chebyshev/ortho.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/chebyshev/ortho.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling funspace v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/chebyshev/compo.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/chebyshev/compo.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/chebyshev/compo.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/chebyshev/ortho.rs:252:5
[INFO] [stdout]     |
[INFO] [stdout] 252 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/chebyshev/ortho.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 258 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/chebyshev/ortho.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.89s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[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" "c518c77acade4d40ad906fae0d9f81a93dadfaffa1d8652cdad432897a4966e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c518c77acade4d40ad906fae0d9f81a93dadfaffa1d8652cdad432897a4966e1", kill_on_drop: false }`
[INFO] [stdout] c518c77acade4d40ad906fae0d9f81a93dadfaffa1d8652cdad432897a4966e1
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 610ad76904426c859f4987a5292063bf5d2bb9d3be42e56b3d35e0ad2b9a581e
[INFO] running `Command { std: "docker" "start" "-a" "610ad76904426c859f4987a5292063bf5d2bb9d3be42e56b3d35e0ad2b9a581e", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/chebyshev/compo.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     #[must_use]
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/chebyshev/compo.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     #[must_use]
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/chebyshev/compo.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     #[must_use]
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/chebyshev/ortho.rs:252:5
[INFO] [stderr]     |
[INFO] [stderr] 252 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/chebyshev/ortho.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/chebyshev/ortho.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stderr] 
[INFO] [stderr] warning: `funspace` (lib) generated 6 warnings (run `cargo fix --lib -p funspace` to apply 6 suggestions)
[INFO] [stderr] warning: `funspace` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[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/funspace-83cb38dfe15e9eca)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test chebyshev::compo::test::test_cheb_biharmonic_a_transform ... ok
[INFO] [stdout] test chebyshev::compo::test::test_cheb_dirichlet_to_ortho ... ok
[INFO] [stdout] test chebyshev::compo::test::test_cheb_biharmonic_b_transform ... ok
[INFO] [stdout] test chebyshev::compo::test::test_cheb_dirichlet_transform ... ok
[INFO] [stdout] test chebyshev::compo::test::test_chebdirichlet_differentiate ... ok
[INFO] [stdout] test chebyshev::linalg::pdma2::tests::test_pdma2 ... ok
[INFO] [stdout] test chebyshev::compo::test::test_cheb_dirichlet_neumann_transform ... ok
[INFO] [stdout] test chebyshev::compo::test::test_chebdirichlet_differentiate_2d ... ok
[INFO] [stdout] test chebyshev::linalg::pdma::tests::test_pdma ... ok
[INFO] [stdout] test chebyshev::linalg::tdma::tests::test_tdma ... ok
[INFO] [stdout] test chebyshev::ortho::test::test_chebyshev_transform_1 ... ok
[INFO] [stdout] test chebyshev::stencils::tests::test_stencil_pinv_biharmonic_a ... ok
[INFO] [stdout] test chebyshev::ortho::test::test_chebyshev_pinv ... ok
[INFO] [stdout] test chebyshev::stencils::tests::test_stencil_pinv_neumann ... ok
[INFO] [stdout] test chebyshev::stencils::tests::test_stencil_pinv_dirichlet_neumann ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests funspace
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/lib.rs - (line 166) ... ignored
[INFO] [stdout] test src/fourier/r2c.rs - fourier::r2c::FourierR2c<A>::gradient_slice (line 203) ... FAILED
[INFO] [stdout] test src/fourier/c2c.rs - fourier::c2c::FourierC2c<A>::backward_slice (line 311) ... FAILED
[INFO] [stdout] test src/lib.rs - fourier_c2c (line 312) ... FAILED
[INFO] [stdout] test src/lib.rs - fourier_r2c (line 335) ... FAILED
[INFO] [stdout] test src/fourier/c2c.rs - fourier::c2c::FourierC2c<A>::gradient_slice (line 210) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 47) ... FAILED
[INFO] [stdout] test src/chebyshev/ortho.rs - chebyshev::ortho::Chebyshev<A>::gradient_slice (line 389) ... FAILED
[INFO] [stdout] test src/utils.rs - utils::check_array_axis (line 124) ... ok
[INFO] [stdout] test src/lib.rs - chebyshev (line 210) ... FAILED
[INFO] [stdout] test src/utils.rs - utils::array_resized_axis (line 91) ... ok
[INFO] [stdout] test src/fourier/r2c.rs - fourier::r2c::FourierR2c<A>::backward_slice (line 293) ... FAILED
[INFO] [stdout] test src/fourier/c2c.rs - fourier::c2c::FourierC2c<A>::forward_slice (line 275) ... FAILED
[INFO] [stdout] test src/chebyshev/ortho.rs - chebyshev::ortho::Chebyshev<A>::new (line 34) ... FAILED
[INFO] [stdout] test src/fourier/r2c.rs - fourier::r2c::FourierR2c<A>::forward_slice (line 262) ... FAILED
[INFO] [stdout] test src/lib.rs - cheb_neumann (line 260) ... FAILED
[INFO] [stdout] test src/space/space3.rs - space::space3 (line 5) ... FAILED
[INFO] [stdout] test src/lib.rs - cheb_dirichlet (line 235) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 105) ... ok
[INFO] [stdout] test src/space/space1.rs - space::space1 (line 5) ... ok
[INFO] [stdout] test src/space/space2.rs - space::space2 (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/fourier/r2c.rs - fourier::r2c::FourierR2c<A>::gradient_slice (line 203) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fourier/c2c.rs - fourier::c2c::FourierC2c<A>::backward_slice (line 311) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - fourier_c2c (line 312) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - fourier_r2c (line 335) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fourier/c2c.rs - fourier::c2c::FourierC2c<A>::gradient_slice (line 210) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 47) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/chebyshev/ortho.rs - chebyshev::ortho::Chebyshev<A>::gradient_slice (line 389) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - chebyshev (line 210) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fourier/r2c.rs - fourier::r2c::FourierR2c<A>::backward_slice (line 293) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fourier/c2c.rs - fourier::c2c::FourierC2c<A>::forward_slice (line 275) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/chebyshev/ortho.rs - chebyshev::ortho::Chebyshev<A>::new (line 34) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fourier/r2c.rs - fourier::r2c::FourierR2c<A>::forward_slice (line 262) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - cheb_neumann (line 260) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/space/space3.rs - space::space3 (line 5) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/chebyshev/ortho.rs - chebyshev::ortho::Chebyshev<A>::gradient_slice (line 389)
[INFO] [stdout]     src/chebyshev/ortho.rs - chebyshev::ortho::Chebyshev<A>::new (line 34)
[INFO] [stdout]     src/fourier/c2c.rs - fourier::c2c::FourierC2c<A>::backward_slice (line 311)
[INFO] [stdout]     src/fourier/c2c.rs - fourier::c2c::FourierC2c<A>::forward_slice (line 275)
[INFO] [stdout]     src/fourier/c2c.rs - fourier::c2c::FourierC2c<A>::gradient_slice (line 210)
[INFO] [stdout]     src/fourier/r2c.rs - fourier::r2c::FourierR2c<A>::backward_slice (line 293)
[INFO] [stdout]     src/fourier/r2c.rs - fourier::r2c::FourierR2c<A>::forward_slice (line 262)
[INFO] [stdout]     src/fourier/r2c.rs - fourier::r2c::FourierR2c<A>::gradient_slice (line 203)
[INFO] [stdout]     src/lib.rs - (line 47)
[INFO] [stdout]     src/lib.rs - cheb_neumann (line 260)
[INFO] [stdout]     src/lib.rs - chebyshev (line 210)
[INFO] [stdout]     src/lib.rs - fourier_c2c (line 312)
[INFO] [stdout]     src/lib.rs - fourier_r2c (line 335)
[INFO] [stdout]     src/space/space3.rs - space::space3 (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 14 failed; 1 ignored; 0 measured; 0 filtered out; finished in 7.80s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "610ad76904426c859f4987a5292063bf5d2bb9d3be42e56b3d35e0ad2b9a581e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "610ad76904426c859f4987a5292063bf5d2bb9d3be42e56b3d35e0ad2b9a581e", kill_on_drop: false }`
[INFO] [stdout] 610ad76904426c859f4987a5292063bf5d2bb9d3be42e56b3d35e0ad2b9a581e