[INFO] fetching crate const_unit_poc 1.1.3...
[INFO] testing const_unit_poc-1.1.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate const_unit_poc 1.1.3 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate const_unit_poc 1.1.3 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] removed /workspace/builds/worker-20/source/rust-toolchain
[INFO] started tweaking crates.io crate const_unit_poc 1.1.3
[INFO] finished tweaking crates.io crate const_unit_poc 1.1.3
[INFO] tweaked toml for crates.io crate const_unit_poc 1.1.3 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate const_unit_poc 1.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] abc25dfb56cf3cb96ab8cc74cc8896d2c7f98dcfa70c4ea7e0aa77e7fa44ee7e
[INFO] running `Command { std: "docker" "start" "-a" "abc25dfb56cf3cb96ab8cc74cc8896d2c7f98dcfa70c4ea7e0aa77e7fa44ee7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abc25dfb56cf3cb96ab8cc74cc8896d2c7f98dcfa70c4ea7e0aa77e7fa44ee7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc25dfb56cf3cb96ab8cc74cc8896d2c7f98dcfa70c4ea7e0aa77e7fa44ee7e", kill_on_drop: false }`
[INFO] [stdout] abc25dfb56cf3cb96ab8cc74cc8896d2c7f98dcfa70c4ea7e0aa77e7fa44ee7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] ff60a0dfdc9e11908c194c245578682767df9e20f1588095a2cc68f40345fb70
[INFO] running `Command { std: "docker" "start" "-a" "ff60a0dfdc9e11908c194c245578682767df9e20f1588095a2cc68f40345fb70", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_unit_poc v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(adt_const_params, generic_const_exprs, doc_cfg)]
[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 `const_unit_poc` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ff60a0dfdc9e11908c194c245578682767df9e20f1588095a2cc68f40345fb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff60a0dfdc9e11908c194c245578682767df9e20f1588095a2cc68f40345fb70", kill_on_drop: false }`
[INFO] [stdout] ff60a0dfdc9e11908c194c245578682767df9e20f1588095a2cc68f40345fb70