[INFO] cloning repository https://github.com/V5Reveng/samcmu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/V5Reveng/samcmu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FV5Reveng%2Fsamcmu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FV5Reveng%2Fsamcmu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4114885ed75a07827d6835e61ecdf22ea48a3797
[INFO] testing V5Reveng/samcmu 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%2FV5Reveng%2Fsamcmu" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/V5Reveng/samcmu 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-105/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-105/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/V5Reveng/samcmu
[INFO] finished tweaking git repo https://github.com/V5Reveng/samcmu
[INFO] tweaked toml for git repo https://github.com/V5Reveng/samcmu written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/V5Reveng/samcmu 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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 5c8e9d37d1a5972a6e5ea03c4f49a19241fe86bf0970b1d87d6c1cbe6adc2a81
[INFO] running `Command { std: "docker" "start" "-a" "5c8e9d37d1a5972a6e5ea03c4f49a19241fe86bf0970b1d87d6c1cbe6adc2a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c8e9d37d1a5972a6e5ea03c4f49a19241fe86bf0970b1d87d6c1cbe6adc2a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8e9d37d1a5972a6e5ea03c4f49a19241fe86bf0970b1d87d6c1cbe6adc2a81", kill_on_drop: false }`
[INFO] [stdout] 5c8e9d37d1a5972a6e5ea03c4f49a19241fe86bf0970b1d87d6c1cbe6adc2a81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 41bdfcab4aa5e110d3ef279599c1284af7dffe894213045943ff9759657999ac
[INFO] running `Command { std: "docker" "start" "-a" "41bdfcab4aa5e110d3ef279599c1284af7dffe894213045943ff9759657999ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling mallocator v0.1.0
[INFO] [stderr]    Compiling cold v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(restricted_std)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(default_alloc_error_handler)]
[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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(restricted_std)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `cold` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "41bdfcab4aa5e110d3ef279599c1284af7dffe894213045943ff9759657999ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41bdfcab4aa5e110d3ef279599c1284af7dffe894213045943ff9759657999ac", kill_on_drop: false }`
[INFO] [stdout] 41bdfcab4aa5e110d3ef279599c1284af7dffe894213045943ff9759657999ac