[INFO] fetching crate jlens 0.0.1...
[INFO] checking jlens-0.0.1 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate jlens 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jlens 0.0.1 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7336b5f8c914a4d3e334ae6ad0da589605e9fd3409c20a65f492bdb10dcb8f2e
[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" "7336b5f8c914a4d3e334ae6ad0da589605e9fd3409c20a65f492bdb10dcb8f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7336b5f8c914a4d3e334ae6ad0da589605e9fd3409c20a65f492bdb10dcb8f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7336b5f8c914a4d3e334ae6ad0da589605e9fd3409c20a65f492bdb10dcb8f2e", kill_on_drop: false }`
[INFO] [stdout] 7336b5f8c914a4d3e334ae6ad0da589605e9fd3409c20a65f492bdb10dcb8f2e
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57a3585f3b3e15be90b3f53f7c8a828b2828a2cd09f580d81d5952ad4470485a
[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" "57a3585f3b3e15be90b3f53f7c8a828b2828a2cd09f580d81d5952ad4470485a", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "57a3585f3b3e15be90b3f53f7c8a828b2828a2cd09f580d81d5952ad4470485a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a3585f3b3e15be90b3f53f7c8a828b2828a2cd09f580d81d5952ad4470485a", kill_on_drop: false }`
[INFO] [stdout] 57a3585f3b3e15be90b3f53f7c8a828b2828a2cd09f580d81d5952ad4470485a