[INFO] fetching crate fitting 0.3.0...
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] crate fitting 0.3.0 is already in cache
[INFO] checking fitting-0.3.0 against try#ff47dd48ed0d02534055e0033cf766ce528f8ebc for pr-99447
[INFO] extracting crate fitting 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fitting 0.3.0 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 fitting 0.3.0
[INFO] finished tweaking crates.io crate fitting 0.3.0
[INFO] tweaked toml for crates.io crate fitting 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate fitting 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 295126c3d19877062e361c4733fa68a377d994da1fd900b2908982c4789950c9
[INFO] running `Command { std: "docker" "start" "-a" "295126c3d19877062e361c4733fa68a377d994da1fd900b2908982c4789950c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "295126c3d19877062e361c4733fa68a377d994da1fd900b2908982c4789950c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295126c3d19877062e361c4733fa68a377d994da1fd900b2908982c4789950c9", kill_on_drop: false }`
[INFO] [stdout] 295126c3d19877062e361c4733fa68a377d994da1fd900b2908982c4789950c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 037b3b37dc196a988f8f716cdeee8af5aa9fa4ade6ff6af84b338c8024dbd335
[INFO] running `Command { std: "docker" "start" "-a" "037b3b37dc196a988f8f716cdeee8af5aa9fa4ade6ff6af84b338c8024dbd335", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stdout] error: unexpected token: crate
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndarray-0.13.0/src/slice.rs:608:43
[INFO] [stdout]     |
[INFO] [stdout] 608 |     (@parse ::std::marker::PhantomData::<$crate::Ix0>, []) => {
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: `$$`, `$crate`, and meta-variable expressions are not allowed inside macro parameter definitions
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndarray-0.13.0/src/slice.rs:608:43
[INFO] [stdout]     |
[INFO] [stdout] 608 |     (@parse ::std::marker::PhantomData::<$crate::Ix0>, []) => {
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "037b3b37dc196a988f8f716cdeee8af5aa9fa4ade6ff6af84b338c8024dbd335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037b3b37dc196a988f8f716cdeee8af5aa9fa4ade6ff6af84b338c8024dbd335", kill_on_drop: false }`
[INFO] [stdout] 037b3b37dc196a988f8f716cdeee8af5aa9fa4ade6ff6af84b338c8024dbd335