[INFO] cloning repository https://github.com/SBTCVM/SBTCVM_Gen_4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SBTCVM/SBTCVM_Gen_4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSBTCVM%2FSBTCVM_Gen_4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSBTCVM%2FSBTCVM_Gen_4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9c00d1903fdbabc20767e60311442e367cc9fac
[INFO] testing SBTCVM/SBTCVM_Gen_4 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSBTCVM%2FSBTCVM_Gen_4" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SBTCVM/SBTCVM_Gen_4 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 git repo https://github.com/SBTCVM/SBTCVM_Gen_4
[INFO] finished tweaking git repo https://github.com/SBTCVM/SBTCVM_Gen_4
[INFO] tweaked toml for git repo https://github.com/SBTCVM/SBTCVM_Gen_4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/SBTCVM/SBTCVM_Gen_4 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b014f5dee36d626fbb20252a9fac5423b7927739f0faa59123be7f36ad4ffb9
[INFO] running `Command { std: "docker" "start" "-a" "1b014f5dee36d626fbb20252a9fac5423b7927739f0faa59123be7f36ad4ffb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b014f5dee36d626fbb20252a9fac5423b7927739f0faa59123be7f36ad4ffb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b014f5dee36d626fbb20252a9fac5423b7927739f0faa59123be7f36ad4ffb9", kill_on_drop: false }`
[INFO] [stdout] 1b014f5dee36d626fbb20252a9fac5423b7927739f0faa59123be7f36ad4ffb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 775c5a338a8cb13acad070e39ecbd21a3b60ff1589826ae4b6a84a84fec38b44
[INFO] running `Command { std: "docker" "start" "-a" "775c5a338a8cb13acad070e39ecbd21a3b60ff1589826ae4b6a84a84fec38b44", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling custom_error v1.8.0
[INFO] [stderr]    Compiling bitvec v0.20.1
[INFO] [stderr]    Compiling sbtcvm-balter v0.1.0 (/opt/rustwide/workdir/sbtcvm-balter)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> sbtcvm-balter/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(or_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> sbtcvm-balter/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(destructuring_assignment)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> sbtcvm-balter/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> sbtcvm-balter/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(destructuring_assignment)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sbtcvm-balter` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "775c5a338a8cb13acad070e39ecbd21a3b60ff1589826ae4b6a84a84fec38b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775c5a338a8cb13acad070e39ecbd21a3b60ff1589826ae4b6a84a84fec38b44", kill_on_drop: false }`
[INFO] [stdout] 775c5a338a8cb13acad070e39ecbd21a3b60ff1589826ae4b6a84a84fec38b44