[INFO] fetching crate wankel 0.0.1...
[INFO] testing wankel-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate wankel 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wankel 0.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wankel 0.0.1
[INFO] finished tweaking crates.io crate wankel 0.0.1
[INFO] tweaked toml for crates.io crate wankel 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34f3cf1433f94b224e6c12174e21b6c87b584809db4a1cab70a3d7a9c1168cc3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34f3cf1433f94b224e6c12174e21b6c87b584809db4a1cab70a3d7a9c1168cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34f3cf1433f94b224e6c12174e21b6c87b584809db4a1cab70a3d7a9c1168cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f3cf1433f94b224e6c12174e21b6c87b584809db4a1cab70a3d7a9c1168cc3", kill_on_drop: false }`
[INFO] [stdout] 34f3cf1433f94b224e6c12174e21b6c87b584809db4a1cab70a3d7a9c1168cc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d637fdf7450e2ad684b82349f2740842bb59fd41f70cf4ec3e875f218d26727c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d637fdf7450e2ad684b82349f2740842bb59fd41f70cf4ec3e875f218d26727c", 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] [stderr]    Compiling wankel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `]`, or `|`, found `..`
[INFO] [stdout]   --> src/math/euler.rs:42:66
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let [m11, m21, m31, _, m12, m22, m32, _, m13, m23, m33, _..] = m.elements;
[INFO] [stdout]    |                                                                  ^^ expected one of `,`, `]`, or `|`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `_`, use `@`
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let [m11, m21, m31, _, m12, m22, m32, _, m13, m23, m33, _ @ ..] = m.elements;
[INFO] [stdout]    |                                                                   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wankel`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d637fdf7450e2ad684b82349f2740842bb59fd41f70cf4ec3e875f218d26727c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d637fdf7450e2ad684b82349f2740842bb59fd41f70cf4ec3e875f218d26727c", kill_on_drop: false }`
[INFO] [stdout] d637fdf7450e2ad684b82349f2740842bb59fd41f70cf4ec3e875f218d26727c