[INFO] fetching crate jlens 0.0.1...
[INFO] testing jlens-0.0.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate jlens 0.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate jlens 0.0.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jlens 0.0.1
[INFO] finished tweaking crates.io crate jlens 0.0.1
[INFO] tweaked toml for crates.io crate jlens 0.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f15c2ccb98f2737ba08bb565a000042eaadd1b12be48ec0e53a3cc347ee1106
[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" "2f15c2ccb98f2737ba08bb565a000042eaadd1b12be48ec0e53a3cc347ee1106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f15c2ccb98f2737ba08bb565a000042eaadd1b12be48ec0e53a3cc347ee1106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f15c2ccb98f2737ba08bb565a000042eaadd1b12be48ec0e53a3cc347ee1106", kill_on_drop: false }`
[INFO] [stdout] 2f15c2ccb98f2737ba08bb565a000042eaadd1b12be48ec0e53a3cc347ee1106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f894be12f16edd57ed46241c87ba2fe9d6aceafdc8f90b0988856a749f54dd7
[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" "7f894be12f16edd57ed46241c87ba2fe9d6aceafdc8f90b0988856a749f54dd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling jlens v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> src/lib.rs:129:56
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn select<'a,'b,F>(&self, input: &JsonPath<'a,'b>, mut f: F)
[INFO] [stdout]     |                                                        ^^^^^ help: remove `mut` from the parameter: `f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(patterns_in_fns_without_body)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jlens` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7f894be12f16edd57ed46241c87ba2fe9d6aceafdc8f90b0988856a749f54dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f894be12f16edd57ed46241c87ba2fe9d6aceafdc8f90b0988856a749f54dd7", kill_on_drop: false }`
[INFO] [stdout] 7f894be12f16edd57ed46241c87ba2fe9d6aceafdc8f90b0988856a749f54dd7