[INFO] fetching crate npyz 0.6.1...
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] crate npyz 0.6.1 is already in cache
[INFO] checking npyz-0.6.1 against try#ff47dd48ed0d02534055e0033cf766ce528f8ebc for pr-99447
[INFO] extracting crate npyz 0.6.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate npyz 0.6.1 on toolchain ff47dd48ed0d02534055e0033cf766ce528f8ebc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate npyz 0.6.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate npyz 0.6.1
[INFO] tweaked toml for crates.io crate npyz 0.6.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate npyz 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9952dba15a09743c8b9ca86e9edd8e675055d98f3f9c7efdd1371663e10e2e1b
[INFO] running `Command { std: "docker" "start" "-a" "9952dba15a09743c8b9ca86e9edd8e675055d98f3f9c7efdd1371663e10e2e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9952dba15a09743c8b9ca86e9edd8e675055d98f3f9c7efdd1371663e10e2e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9952dba15a09743c8b9ca86e9edd8e675055d98f3f9c7efdd1371663e10e2e1b", kill_on_drop: false }`
[INFO] [stdout] 9952dba15a09743c8b9ca86e9edd8e675055d98f3f9c7efdd1371663e10e2e1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3843e629d43970a1afcf75cf50c7df58ec8cba7932588877e609d1b429e189d
[INFO] running `Command { std: "docker" "start" "-a" "b3843e629d43970a1afcf75cf50c7df58ec8cba7932588877e609d1b429e189d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stdout] error: unexpected token: crate
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndarray-0.14.0/src/slice.rs:599:43
[INFO] [stdout]     |
[INFO] [stdout] 599 |     (@parse ::std::marker::PhantomData::<$crate::Ix0>, []) => {
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: `$$`, `$crate`, and meta-variable expressions are not allowed inside macro parameter definitions
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndarray-0.14.0/src/slice.rs:599:43
[INFO] [stdout]     |
[INFO] [stdout] 599 |     (@parse ::std::marker::PhantomData::<$crate::Ix0>, []) => {
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking npyz v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ndarray` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b3843e629d43970a1afcf75cf50c7df58ec8cba7932588877e609d1b429e189d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3843e629d43970a1afcf75cf50c7df58ec8cba7932588877e609d1b429e189d", kill_on_drop: false }`
[INFO] [stdout] b3843e629d43970a1afcf75cf50c7df58ec8cba7932588877e609d1b429e189d