[INFO] cloning repository https://github.com/stevefan1999-personal/peg_no_alloc_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevefan1999-personal/peg_no_alloc_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevefan1999-personal%2Fpeg_no_alloc_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevefan1999-personal%2Fpeg_no_alloc_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74d9fe983ca7c4bb16a8c77b30959bf7d296801c
[INFO] testing stevefan1999-personal/peg_no_alloc_demo against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevefan1999-personal%2Fpeg_no_alloc_demo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stevefan1999-personal/peg_no_alloc_demo
[INFO] finished tweaking git repo https://github.com/stevefan1999-personal/peg_no_alloc_demo
[INFO] tweaked toml for git repo https://github.com/stevefan1999-personal/peg_no_alloc_demo written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stevefan1999-personal/peg_no_alloc_demo on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stevefan1999-personal/peg_no_alloc_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e931b219b862f6ba4491abf06a0eabc48d1c25249d183f18e5dd21bc93f934c0
[INFO] running `Command { std: "docker" "start" "e931b219b862f6ba4491abf06a0eabc48d1c25249d183f18e5dd21bc93f934c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e931b219b862f6ba4491abf06a0eabc48d1c25249d183f18e5dd21bc93f934c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e931b219b862f6ba4491abf06a0eabc48d1c25249d183f18e5dd21bc93f934c0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e931b219b862f6ba4491abf06a0eabc48d1c25249d183f18e5dd21bc93f934c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e931b219b862f6ba4491abf06a0eabc48d1c25249d183f18e5dd21bc93f934c0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling smallnum v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling micromath v2.0.0
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling peg-runtime v0.8.1 (https://github.com/stevefan1999-personal/rust-peg?branch=patch-unstable-vectors#a5b344c7)
[INFO] [stderr]    Compiling alloc-traits v0.1.1
[INFO] [stderr]    Compiling vc-ltl v5.0.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fast-float v0.2.0 (https://github.com/quartiq/fast-float-rust?branch=lib-no-std#98e5781a)
[INFO] [stderr]    Compiling static-alloc v0.2.4
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling unsize v1.1.0
[INFO] [stderr]    Compiling fchashmap v0.1.3
[INFO] [stderr]    Compiling scapegoat v2.3.0
[INFO] [stderr]    Compiling without-alloc v0.2.2
[INFO] [stderr]    Compiling libc-print v0.1.21
[INFO] [stderr]    Compiling peg-macros v0.8.1 (https://github.com/stevefan1999-personal/rust-peg?branch=patch-unstable-vectors#a5b344c7)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/rust-peg-35516016ad585784/a5b344c/peg-runtime/lib.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "unstable", feature(error_in_core))]
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peg-runtime` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e931b219b862f6ba4491abf06a0eabc48d1c25249d183f18e5dd21bc93f934c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e931b219b862f6ba4491abf06a0eabc48d1c25249d183f18e5dd21bc93f934c0", kill_on_drop: false }`
[INFO] [stdout] e931b219b862f6ba4491abf06a0eabc48d1c25249d183f18e5dd21bc93f934c0
