[INFO] fetching crate loadstone_config 1.0.0...
[INFO] testing loadstone_config-1.0.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate loadstone_config 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate loadstone_config 1.0.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loadstone_config 1.0.0
[INFO] finished tweaking crates.io crate loadstone_config 1.0.0
[INFO] tweaked toml for crates.io crate loadstone_config 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tightness v1.0.1
[INFO] [stderr]   Downloaded group v0.9.0
[INFO] [stderr]   Downloaded pkcs8 v0.6.1
[INFO] [stderr]   Downloaded der v0.3.5
[INFO] [stderr]   Downloaded spki v0.3.0
[INFO] [stderr]   Downloaded ff v0.9.0
[INFO] [stderr]   Downloaded const-oid v0.5.2
[INFO] [stderr]   Downloaded p256 v0.8.1
[INFO] [stderr]   Downloaded ecdsa v0.11.1
[INFO] [stderr]   Downloaded elliptic-curve v0.9.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4768fbf4f7decea6abaf799ed4b684b57433ea7c497b71ce31709fed5260cf4
[INFO] running `Command { std: "docker" "start" "-a" "f4768fbf4f7decea6abaf799ed4b684b57433ea7c497b71ce31709fed5260cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4768fbf4f7decea6abaf799ed4b684b57433ea7c497b71ce31709fed5260cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4768fbf4f7decea6abaf799ed4b684b57433ea7c497b71ce31709fed5260cf4", kill_on_drop: false }`
[INFO] [stdout] f4768fbf4f7decea6abaf799ed4b684b57433ea7c497b71ce31709fed5260cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be30610152ad04303f6b90972fcbcbe7994527da2832f278b89a3662677fb7c8
[INFO] running `Command { std: "docker" "start" "-a" "be30610152ad04303f6b90972fcbcbe7994527da2832f278b89a3662677fb7c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling const-oid v0.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling base64ct v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling der v0.3.5
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling signature v1.3.1
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling spki v0.3.0
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling pkcs8 v0.6.1
[INFO] [stderr]    Compiling ff v0.9.0
[INFO] [stderr]    Compiling group v0.9.0
[INFO] [stderr]    Compiling elliptic-curve v0.9.12
[INFO] [stderr]    Compiling ecdsa v0.11.1
[INFO] [stderr]    Compiling p256 v0.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling enum-iterator v0.6.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling tightness v1.0.1
[INFO] [stderr]    Compiling loadstone_config v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(bool_to_option)]
[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 `loadstone_config` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "be30610152ad04303f6b90972fcbcbe7994527da2832f278b89a3662677fb7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be30610152ad04303f6b90972fcbcbe7994527da2832f278b89a3662677fb7c8", kill_on_drop: false }`
[INFO] [stdout] be30610152ad04303f6b90972fcbcbe7994527da2832f278b89a3662677fb7c8
