[INFO] fetching crate hit-data 0.0.3...
[INFO] testing hit-data-0.0.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate hit-data 0.0.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate hit-data 0.0.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hit-data 0.0.3
[INFO] finished tweaking crates.io crate hit-data 0.0.3
[INFO] tweaked toml for crates.io crate hit-data 0.0.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mopa v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 122badedb1ff59ae7873773e25047e804252f85b8d7f38ef8ed8fcb0518fe6ef
[INFO] running `Command { std: "docker" "start" "-a" "122badedb1ff59ae7873773e25047e804252f85b8d7f38ef8ed8fcb0518fe6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "122badedb1ff59ae7873773e25047e804252f85b8d7f38ef8ed8fcb0518fe6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "122badedb1ff59ae7873773e25047e804252f85b8d7f38ef8ed8fcb0518fe6ef", kill_on_drop: false }`
[INFO] [stdout] 122badedb1ff59ae7873773e25047e804252f85b8d7f38ef8ed8fcb0518fe6ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51cd043f697a8eb5b47dea7f998dd85c7a7e9324d13208c929f56ed9b6d6a64f
[INFO] running `Command { std: "docker" "start" "-a" "51cd043f697a8eb5b47dea7f998dd85c7a7e9324d13208c929f56ed9b6d6a64f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling hit-data v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `property_name`
[INFO] [stdout]   --> src/prelude/validators/unique_in_parent/unique_in_parent_validator.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     property_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(hash_set_entry)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hit-data` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "51cd043f697a8eb5b47dea7f998dd85c7a7e9324d13208c929f56ed9b6d6a64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cd043f697a8eb5b47dea7f998dd85c7a7e9324d13208c929f56ed9b6d6a64f", kill_on_drop: false }`
[INFO] [stdout] 51cd043f697a8eb5b47dea7f998dd85c7a7e9324d13208c929f56ed9b6d6a64f