[INFO] fetching crate mbar-rs 0.3.0...
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] crate mbar-rs 0.3.0 is already in cache
[INFO] checking mbar-rs-0.3.0 against try#ff47dd48ed0d02534055e0033cf766ce528f8ebc for pr-99447
[INFO] extracting crate mbar-rs 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mbar-rs 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 mbar-rs 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mbar-rs 0.3.0
[INFO] tweaked toml for crates.io crate mbar-rs 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mbar-rs 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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--no-deps" "--format-version=1", 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] 3c1de3bdb2489f034ea5dc9df5e8d35e57386909a402cf8d6bc5480b1f554555
[INFO] running `Command { std: "docker" "start" "-a" "3c1de3bdb2489f034ea5dc9df5e8d35e57386909a402cf8d6bc5480b1f554555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c1de3bdb2489f034ea5dc9df5e8d35e57386909a402cf8d6bc5480b1f554555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1de3bdb2489f034ea5dc9df5e8d35e57386909a402cf8d6bc5480b1f554555", kill_on_drop: false }`
[INFO] [stdout] 3c1de3bdb2489f034ea5dc9df5e8d35e57386909a402cf8d6bc5480b1f554555
[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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "check" "--frozen" "--all" "--all-targets" "--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] e2922131e7dfe3f23614504a05cd07883698942f8b1abd84be6c7ada6c5a37d5
[INFO] running `Command { std: "docker" "start" "-a" "e2922131e7dfe3f23614504a05cd07883698942f8b1abd84be6c7ada6c5a37d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling pyo3 v0.12.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stdout] error: unexpected token: crate
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndarray-0.13.1/src/slice.rs:609:43
[INFO] [stdout]     |
[INFO] [stdout] 609 |     (@parse ::std::marker::PhantomData::<$crate::Ix0>, []) => {
[INFO] [stdout]     |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: `$$`, `$crate`, and meta-variable expressions are not allowed inside macro parameter definitions
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ndarray-0.13.1/src/slice.rs:609:43
[INFO] [stdout]     |
[INFO] [stdout] 609 |     (@parse ::std::marker::PhantomData::<$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" "e2922131e7dfe3f23614504a05cd07883698942f8b1abd84be6c7ada6c5a37d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2922131e7dfe3f23614504a05cd07883698942f8b1abd84be6c7ada6c5a37d5", kill_on_drop: false }`
[INFO] [stdout] e2922131e7dfe3f23614504a05cd07883698942f8b1abd84be6c7ada6c5a37d5