[INFO] fetching crate oni-comb-uri-rs 0.0.4...
[INFO] testing oni-comb-uri-rs-0.0.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate oni-comb-uri-rs 0.0.4 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate oni-comb-uri-rs 0.0.4 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 oni-comb-uri-rs 0.0.4
[INFO] finished tweaking crates.io crate oni-comb-uri-rs 0.0.4
[INFO] tweaked toml for crates.io crate oni-comb-uri-rs 0.0.4 written to /workspace/builds/worker-53/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] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bigdecimal v0.3.0
[INFO] [stderr]   Downloaded iso-4217 v0.1.0
[INFO] [stderr]   Downloaded rust-fp-categories v0.0.5
[INFO] [stderr]   Downloaded prop-check-rs v0.0.7
[INFO] [stderr]   Downloaded oni-comb-parser-rs v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 9dc986909c20b0945b1305ccfba08616bb930d2cdff8e6162f3b52d8116cd580
[INFO] running `Command { std: "docker" "start" "-a" "9dc986909c20b0945b1305ccfba08616bb930d2cdff8e6162f3b52d8116cd580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dc986909c20b0945b1305ccfba08616bb930d2cdff8e6162f3b52d8116cd580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc986909c20b0945b1305ccfba08616bb930d2cdff8e6162f3b52d8116cd580", kill_on_drop: false }`
[INFO] [stdout] 9dc986909c20b0945b1305ccfba08616bb930d2cdff8e6162f3b52d8116cd580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 14b21220575f389d6ff2d4efd08b17f962fb854ac4ccb2a4ebddf1b79fd8acf7
[INFO] running `Command { std: "docker" "start" "-a" "14b21220575f389d6ff2d4efd08b17f962fb854ac4ccb2a4ebddf1b79fd8acf7", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling oni-comb-parser-rs v0.0.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/oni-comb-parser-rs-0.0.5/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/oni-comb-parser-rs-0.0.5/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oni-comb-parser-rs` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "14b21220575f389d6ff2d4efd08b17f962fb854ac4ccb2a4ebddf1b79fd8acf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b21220575f389d6ff2d4efd08b17f962fb854ac4ccb2a4ebddf1b79fd8acf7", kill_on_drop: false }`
[INFO] [stdout] 14b21220575f389d6ff2d4efd08b17f962fb854ac4ccb2a4ebddf1b79fd8acf7