[INFO] fetching crate state-space 0.1.1...
[INFO] testing state-space-0.1.1 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate state-space 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate state-space 0.1.1
[INFO] finished tweaking crates.io crate state-space 0.1.1
[INFO] tweaked toml for crates.io crate state-space 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate state-space 0.1.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dcb4fd775a099a4bfc1e943f949ab7850ce527de2a0a7814646d5acf58cea601
[INFO] running `Command { std: "docker" "start" "dcb4fd775a099a4bfc1e943f949ab7850ce527de2a0a7814646d5acf58cea601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb4fd775a099a4bfc1e943f949ab7850ce527de2a0a7814646d5acf58cea601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dcb4fd775a099a4bfc1e943f949ab7850ce527de2a0a7814646d5acf58cea601" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb4fd775a099a4bfc1e943f949ab7850ce527de2a0a7814646d5acf58cea601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dcb4fd775a099a4bfc1e943f949ab7850ce527de2a0a7814646d5acf58cea601" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling num-iter v0.1.46
[INFO] [stderr]    Compiling array-matrix v0.1.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/array-matrix-0.1.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `Submatrix<[[_; L - 1]; _]>` for type `[[_; _]; _]`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/array-matrix-0.1.4/src/matrix/submatrix.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / impl<F: Clone, const L: usize, const H: usize> Submatrix<[[F; L - 1]; H]> for [[F; L]; H]
[INFO] [stdout] 37 | | where
[INFO] [stdout] 38 | |     Self: Matrix,
[INFO] [stdout] 39 | |     [[F; L - 1]; H]: Matrix
[INFO] [stdout]    | |___________________________- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 49 | / impl<F: Clone, const L: usize, const H: usize> Submatrix<[[F; L]; H - 1]> for [[F; L]; H]
[INFO] [stdout] 50 | | where
[INFO] [stdout] 51 | |     Self: Matrix,
[INFO] [stdout] 52 | |     [[F; L]; H - 1]: Matrix
[INFO] [stdout]    | |___________________________^ conflicting implementation for `[[_; _]; _]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `Submatrix<[[_; L - 1]; _]>` for type `[[_; _]; _]`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/array-matrix-0.1.4/src/matrix/submatrix.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / impl<F: Clone, const L: usize, const H: usize> Submatrix<[[F; L - 1]; H]> for [[F; L]; H]
[INFO] [stdout] 37 | | where
[INFO] [stdout] 38 | |     Self: Matrix,
[INFO] [stdout] 39 | |     [[F; L - 1]; H]: Matrix
[INFO] [stdout]    | |___________________________- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 62 | / impl<F: Clone, const L: usize, const H: usize> Submatrix<[[F; L - 1]; H - 1]> for [[F; L]; H]
[INFO] [stdout] 63 | | where
[INFO] [stdout] 64 | |     Self: Matrix,
[INFO] [stdout] 65 | |     [[F; L - 1]; H - 1]: Matrix
[INFO] [stdout]    | |_______________________________^ conflicting implementation for `[[_; _]; _]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0119, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `array-matrix` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dcb4fd775a099a4bfc1e943f949ab7850ce527de2a0a7814646d5acf58cea601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb4fd775a099a4bfc1e943f949ab7850ce527de2a0a7814646d5acf58cea601", kill_on_drop: false }`
[INFO] [stdout] dcb4fd775a099a4bfc1e943f949ab7850ce527de2a0a7814646d5acf58cea601
