[INFO] fetching crate mtrx 0.1.0...
[INFO] building mtrx-0.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate mtrx 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mtrx 0.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtrx 0.1.0
[INFO] finished tweaking crates.io crate mtrx 0.1.0
[INFO] tweaked toml for crates.io crate mtrx 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f09dec786edfe1c81d1a480917b6e0f7a21aa3b44cbe832435e8f372e15bc35
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1f09dec786edfe1c81d1a480917b6e0f7a21aa3b44cbe832435e8f372e15bc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f09dec786edfe1c81d1a480917b6e0f7a21aa3b44cbe832435e8f372e15bc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f09dec786edfe1c81d1a480917b6e0f7a21aa3b44cbe832435e8f372e15bc35", kill_on_drop: false }`
[INFO] [stdout] 1f09dec786edfe1c81d1a480917b6e0f7a21aa3b44cbe832435e8f372e15bc35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c72a7735a2de400f3877e46898c1de4fba25c1a11a7460436a18c790f6b09c7e
[INFO] running `Command { std: "docker" "start" "-a" "c72a7735a2de400f3877e46898c1de4fba25c1a11a7460436a18c790f6b09c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtrx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: trait bounds other than `Sized` on const fn parameters are unstable
[INFO] [stdout]   --> src/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: MatrixCell<T>, const R: usize, const C: usize> Matrix<T, R, C> {
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
[INFO] [stdout]    = help: add `#![feature(const_fn_trait_bound)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtrx`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c72a7735a2de400f3877e46898c1de4fba25c1a11a7460436a18c790f6b09c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72a7735a2de400f3877e46898c1de4fba25c1a11a7460436a18c790f6b09c7e", kill_on_drop: false }`
[INFO] [stdout] c72a7735a2de400f3877e46898c1de4fba25c1a11a7460436a18c790f6b09c7e
