[INFO] fetching crate jelly-mem_access 0.1.5...
[INFO] testing jelly-mem_access-0.1.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate jelly-mem_access 0.1.5 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate jelly-mem_access 0.1.5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-77/source/rust-toolchain
[INFO] started tweaking crates.io crate jelly-mem_access 0.1.5
[INFO] finished tweaking crates.io crate jelly-mem_access 0.1.5
[INFO] tweaked toml for crates.io crate jelly-mem_access 0.1.5 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded delegate v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a657a281bb703920f76a5d6186374b7741ae7d0820fad8bacc94b1bbedab76b6
[INFO] running `Command { std: "docker" "start" "-a" "a657a281bb703920f76a5d6186374b7741ae7d0820fad8bacc94b1bbedab76b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a657a281bb703920f76a5d6186374b7741ae7d0820fad8bacc94b1bbedab76b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a657a281bb703920f76a5d6186374b7741ae7d0820fad8bacc94b1bbedab76b6", kill_on_drop: false }`
[INFO] [stdout] a657a281bb703920f76a5d6186374b7741ae7d0820fad8bacc94b1bbedab76b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66fd549d1d3b99d77b52aa2537552eada54b7e06c6299d7c505022a17efb33d2
[INFO] running `Command { std: "docker" "start" "-a" "66fd549d1d3b99d77b52aa2537552eada54b7e06c6299d7c505022a17efb33d2", 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] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling delegate v0.6.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling jelly-mem_access v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn_trait_bound)]
[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 `jelly-mem_access` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "66fd549d1d3b99d77b52aa2537552eada54b7e06c6299d7c505022a17efb33d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66fd549d1d3b99d77b52aa2537552eada54b7e06c6299d7c505022a17efb33d2", kill_on_drop: false }`
[INFO] [stdout] 66fd549d1d3b99d77b52aa2537552eada54b7e06c6299d7c505022a17efb33d2