[INFO] fetching crate matfile-ndarray 0.2.0...
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] crate matfile-ndarray 0.2.0 is already in cache
[INFO] checking matfile-ndarray-0.2.0 against try#ff47dd48ed0d02534055e0033cf766ce528f8ebc for pr-99447
[INFO] extracting crate matfile-ndarray 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate matfile-ndarray 0.2.0 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 matfile-ndarray 0.2.0
[INFO] finished tweaking crates.io crate matfile-ndarray 0.2.0
[INFO] tweaked toml for crates.io crate matfile-ndarray 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate matfile-ndarray 0.2.0 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] 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] 46f9f7b7f3bc942c2c8b31f138f397c4fd83ec0295f2f40e8811a062c83a996d
[INFO] running `Command { std: "docker" "start" "-a" "46f9f7b7f3bc942c2c8b31f138f397c4fd83ec0295f2f40e8811a062c83a996d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f9f7b7f3bc942c2c8b31f138f397c4fd83ec0295f2f40e8811a062c83a996d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f9f7b7f3bc942c2c8b31f138f397c4fd83ec0295f2f40e8811a062c83a996d", kill_on_drop: false }`
[INFO] [stdout] 46f9f7b7f3bc942c2c8b31f138f397c4fd83ec0295f2f40e8811a062c83a996d
[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] 759c725c0c0dbfd38865919d5628fa45fb38d02c989b8f8363f391cb5dac071a
[INFO] running `Command { std: "docker" "start" "-a" "759c725c0c0dbfd38865919d5628fa45fb38d02c989b8f8363f391cb5dac071a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[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] [stderr]     Checking matfile v0.2.0
[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" "759c725c0c0dbfd38865919d5628fa45fb38d02c989b8f8363f391cb5dac071a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759c725c0c0dbfd38865919d5628fa45fb38d02c989b8f8363f391cb5dac071a", kill_on_drop: false }`
[INFO] [stdout] 759c725c0c0dbfd38865919d5628fa45fb38d02c989b8f8363f391cb5dac071a