[INFO] fetching crate keeshond_datapack 0.10.0...
[INFO] checking keeshond_datapack-0.10.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate keeshond_datapack 0.10.0 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate keeshond_datapack 0.10.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keeshond_datapack 0.10.0
[INFO] finished tweaking crates.io crate keeshond_datapack 0.10.0
[INFO] tweaked toml for crates.io crate keeshond_datapack 0.10.0 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate crates.io crate keeshond_datapack 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3ee9855b6e7d7bae0b8020525939a8e1324e824fa10608967f4cb0b54ac718b
[INFO] running `Command { std: "docker" "start" "-a" "d3ee9855b6e7d7bae0b8020525939a8e1324e824fa10608967f4cb0b54ac718b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3ee9855b6e7d7bae0b8020525939a8e1324e824fa10608967f4cb0b54ac718b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3ee9855b6e7d7bae0b8020525939a8e1324e824fa10608967f4cb0b54ac718b", kill_on_drop: false }`
[INFO] [stdout] d3ee9855b6e7d7bae0b8020525939a8e1324e824fa10608967f4cb0b54ac718b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00c5eaaadc063cec9e297e209710151665b0f611278b017e07734d42cb11ca6c
[INFO] running `Command { std: "docker" "start" "-a" "00c5eaaadc063cec9e297e209710151665b0f611278b017e07734d42cb11ca6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking try_or v0.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking keeshond_datapack v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keeshond_datapack` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "00c5eaaadc063cec9e297e209710151665b0f611278b017e07734d42cb11ca6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c5eaaadc063cec9e297e209710151665b0f611278b017e07734d42cb11ca6c", kill_on_drop: false }`
[INFO] [stdout] 00c5eaaadc063cec9e297e209710151665b0f611278b017e07734d42cb11ca6c
