[INFO] fetching crate blockchain-traits 0.4.1...
[INFO] testing blockchain-traits-0.4.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate blockchain-traits 0.4.1 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate blockchain-traits 0.4.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blockchain-traits 0.4.1
[INFO] finished tweaking crates.io crate blockchain-traits 0.4.1
[INFO] tweaked toml for crates.io crate blockchain-traits 0.4.1 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2022-04-10" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a6cdea79d2f83d30e692aebed04ed93cefda8d23205018f0ccc8a919a658a5f
[INFO] running `Command { std: "docker" "start" "-a" "5a6cdea79d2f83d30e692aebed04ed93cefda8d23205018f0ccc8a919a658a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6cdea79d2f83d30e692aebed04ed93cefda8d23205018f0ccc8a919a658a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6cdea79d2f83d30e692aebed04ed93cefda8d23205018f0ccc8a919a658a5f", kill_on_drop: false }`
[INFO] [stdout] 5a6cdea79d2f83d30e692aebed04ed93cefda8d23205018f0ccc8a919a658a5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5d2755e942d1187a2558dbfefcaf77080cf5d6dbe35a186ae13fe504d777d26
[INFO] running `Command { std: "docker" "start" "-a" "e5d2755e942d1187a2558dbfefcaf77080cf5d6dbe35a186ae13fe504d777d26", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling oasis-borsh-derive v0.2.10
[INFO] [stderr]    Compiling oasis-borsh v0.2.12
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling oasis-types v0.4.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/oasis-types-0.4.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(non_exhaustive)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[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 `oasis-types` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e5d2755e942d1187a2558dbfefcaf77080cf5d6dbe35a186ae13fe504d777d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d2755e942d1187a2558dbfefcaf77080cf5d6dbe35a186ae13fe504d777d26", kill_on_drop: false }`
[INFO] [stdout] e5d2755e942d1187a2558dbfefcaf77080cf5d6dbe35a186ae13fe504d777d26