[INFO] fetching crate rustmex_matlab700 0.1.2...
[INFO] checking rustmex_matlab700-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rustmex_matlab700 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rustmex_matlab700 0.1.2
[INFO] finished tweaking crates.io crate rustmex_matlab700 0.1.2
[INFO] tweaked toml for crates.io crate rustmex_matlab700 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustmex_matlab700 0.1.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding rustmex_core v0.2.0 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7249b802c9602f6d3a4e34469af3b3e886ea8ca700ddeedfc39a2fd3e2798930
[INFO] running `Command { std: "docker" "start" "-a" "7249b802c9602f6d3a4e34469af3b3e886ea8ca700ddeedfc39a2fd3e2798930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7249b802c9602f6d3a4e34469af3b3e886ea8ca700ddeedfc39a2fd3e2798930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7249b802c9602f6d3a4e34469af3b3e886ea8ca700ddeedfc39a2fd3e2798930", kill_on_drop: false }`
[INFO] [stdout] 7249b802c9602f6d3a4e34469af3b3e886ea8ca700ddeedfc39a2fd3e2798930
[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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b687c94b6d42d9345d42e76a880e850848c53da8c4662bfc136e83b3cda5537b
[INFO] running `Command { std: "docker" "start" "-a" "b687c94b6d42d9345d42e76a880e850848c53da8c4662bfc136e83b3cda5537b", kill_on_drop: false }`
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling rustmex_matlab700 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `octave`
[INFO] [stdout]  --> build.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 |     if cfg!(target_os = "windows") && cfg!(not(feature = "octave")) {
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `octave` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustmex_core v0.2.0
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/shim.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     mxGetNumberOfDimensions(mx).try_into().expect("Number of dimensions should be positive integer")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/shim.rs:47:2
[INFO] [stdout]    |
[INFO] [stdout] 47 |     mxGetNumberOfElements(mx).try_into().expect("Number of elements should be positive integer")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustmex_matlab700` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/shim.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     mxGetNumberOfDimensions(mx).try_into().expect("Number of dimensions should be positive integer")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/shim.rs:47:2
[INFO] [stdout]    |
[INFO] [stdout] 47 |     mxGetNumberOfElements(mx).try_into().expect("Number of elements should be positive integer")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustmex_matlab700` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b687c94b6d42d9345d42e76a880e850848c53da8c4662bfc136e83b3cda5537b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b687c94b6d42d9345d42e76a880e850848c53da8c4662bfc136e83b3cda5537b", kill_on_drop: false }`
[INFO] [stdout] b687c94b6d42d9345d42e76a880e850848c53da8c4662bfc136e83b3cda5537b
