[INFO] cloning repository https://github.com/fre-hu/mdarray
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fre-hu/mdarray" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffre-hu%2Fmdarray", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffre-hu%2Fmdarray'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2616925c868abbd767527fc7e3c7f84696b45440
[INFO] checking fre-hu/mdarray against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffre-hu%2Fmdarray" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fre-hu/mdarray
[INFO] finished tweaking git repo https://github.com/fre-hu/mdarray
[INFO] tweaked toml for git repo https://github.com/fre-hu/mdarray written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fre-hu/mdarray on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fre-hu/mdarray 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e5c0c694fd6f2c7649e730c07d9a093d5e9ee0e0713d0d15466ebc12f3e2a1
[INFO] running `Command { std: "docker" "start" "-a" "a6e5c0c694fd6f2c7649e730c07d9a093d5e9ee0e0713d0d15466ebc12f3e2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e5c0c694fd6f2c7649e730c07d9a093d5e9ee0e0713d0d15466ebc12f3e2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e5c0c694fd6f2c7649e730c07d9a093d5e9ee0e0713d0d15466ebc12f3e2a1", kill_on_drop: false }`
[INFO] [stdout] a6e5c0c694fd6f2c7649e730c07d9a093d5e9ee0e0713d0d15466ebc12f3e2a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1efc7845097fa1eea8a38b98223749272f4899e5e018a84d2c4f649b81ac9768
[INFO] running `Command { std: "docker" "start" "-a" "1efc7845097fa1eea8a38b98223749272f4899e5e018a84d2c4f649b81ac9768", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking mdarray v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> tests/test.rs:359:54
[INFO] [stdout]     |
[INFO] [stdout] 359 |     assert_eq!(Array::from_iter(s.into_shape([120])).as_ref(), t.into_vec());
[INFO] [stdout]     |                                                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `mdarray::Slice<usize, (usize,)>: AsRef<_>` found in the `mdarray` crate:
[INFO] [stdout]             - impl<T, D> AsRef<[T]> for mdarray::Slice<T, (D,)>
[INFO] [stdout]               where D: Dim;
[INFO] [stdout]             - impl<T, S, L> AsRef<mdarray::Slice<T, S, L>> for mdarray::Slice<T, S, L>
[INFO] [stdout]               where S: Shape, L: mdarray::Layout;
[INFO] [stdout]     = note: required for `mdarray::Array<usize, (usize,)>` to implement `AsRef<_>`
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout] 359 -     assert_eq!(Array::from_iter(s.into_shape([120])).as_ref(), t.into_vec());
[INFO] [stdout] 359 +     assert_eq!(<mdarray::Array<usize, (usize,)> as AsRef<T>>::as_ref(&Array::from_iter(s.into_shape([120]))), t.into_vec());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdarray` (test "test") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1efc7845097fa1eea8a38b98223749272f4899e5e018a84d2c4f649b81ac9768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efc7845097fa1eea8a38b98223749272f4899e5e018a84d2c4f649b81ac9768", kill_on_drop: false }`
[INFO] [stdout] 1efc7845097fa1eea8a38b98223749272f4899e5e018a84d2c4f649b81ac9768
