[INFO] fetching crate json-walker 0.1.0...
[INFO] checking json-walker-0.1.0 against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] extracting crate json-walker 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate json-walker 0.1.0
[INFO] finished tweaking crates.io crate json-walker 0.1.0
[INFO] tweaked toml for crates.io crate json-walker 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-walker 0.1.0 on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding ctor v0.2.9 (available: v0.6.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 725bebb457414e7fcc7a519c95981884afe31ad27e274bac7ae015caf2c5dd1f
[INFO] running `Command { std: "docker" "start" "-a" "725bebb457414e7fcc7a519c95981884afe31ad27e274bac7ae015caf2c5dd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "725bebb457414e7fcc7a519c95981884afe31ad27e274bac7ae015caf2c5dd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725bebb457414e7fcc7a519c95981884afe31ad27e274bac7ae015caf2c5dd1f", kill_on_drop: false }`
[INFO] [stdout] 725bebb457414e7fcc7a519c95981884afe31ad27e274bac7ae015caf2c5dd1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f681e074879d04c2b089fb65f76bb0bd9679bf912c66cdaac804cca7ac1d02b5
[INFO] running `Command { std: "docker" "start" "-a" "f681e074879d04c2b089fb65f76bb0bd9679bf912c66cdaac804cca7ac1d02b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]     Checking panic-message v0.3.0
[INFO] [stderr]     Checking json-walker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ctor v0.2.9
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/json_walker.rs:610:23
[INFO] [stdout]     |
[INFO] [stdout] 610 |           let pattern = vec![
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 611 | |             |cs: &CurrentState| -> bool { cs.level == 2.0 && cs.nth_occurrence == 0 },
[INFO] [stdout]     | |             --------------------------- the expected closure
[INFO] [stdout] 612 | |             |cs: &CurrentState| -> bool { cs.latest_key.eq("key1") && cs.level == 3.0 },
[INFO] [stdout] 613 | |             |cs: &CurrentState| -> bool { cs.latest_key.eq("key4") },
[INFO] [stdout] 614 | |         ];
[INFO] [stdout]     | |         ^
[INFO] [stdout]     | |         |
[INFO] [stdout]     | |_________expected `[{closure@json_walker.rs:611:13}; _]`, found `[fn(&CurrentState<'b>) -> bool; 3]`
[INFO] [stdout]     |           arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected array `[{closure@src/json_walker.rs:611:13: 611:40}; _]`
[INFO] [stdout]                found array `[for<'a, 'b> fn(&'a CurrentState<'b>) -> bool; 3]`
[INFO] [stdout] help: the return type of this call is `[for<'a, 'b> fn(&'a CurrentState<'b>) -> bool; 3]` due to the type of the argument passed
[INFO] [stdout]    --> src/json_walker.rs:610:23
[INFO] [stdout]     |
[INFO] [stdout] 610 |           let pattern = vec![
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 611 | |             |cs: &CurrentState| -> bool { cs.level == 2.0 && cs.nth_occurrence == 0 },
[INFO] [stdout] 612 | |             |cs: &CurrentState| -> bool { cs.latest_key.eq("key1") && cs.level == 3.0 },
[INFO] [stdout] 613 | |             |cs: &CurrentState| -> bool { cs.latest_key.eq("key4") },
[INFO] [stdout] 614 | |         ];
[INFO] [stdout]     | |_________^ this argument influences the return type of `write_box_via_move`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/alloc/src/intrinsics.rs:15:7
[INFO] [stdout]     = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-walker` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f681e074879d04c2b089fb65f76bb0bd9679bf912c66cdaac804cca7ac1d02b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f681e074879d04c2b089fb65f76bb0bd9679bf912c66cdaac804cca7ac1d02b5", kill_on_drop: false }`
[INFO] [stdout] f681e074879d04c2b089fb65f76bb0bd9679bf912c66cdaac804cca7ac1d02b5