[INFO] fetching crate vicis 0.1.0...
[INFO] testing vicis-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate vicis 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate vicis 0.1.0
[INFO] finished tweaking crates.io crate vicis 0.1.0
[INFO] tweaked toml for crates.io crate vicis 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vicis 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding anyhow v1.0.38 (available: v1.0.100)
[INFO] [stderr]       Adding either v1.6.1 (available: v1.15.0)
[INFO] [stderr]       Adding funty v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding indicatif v0.15.0 (available: v0.18.0)
[INFO] [stderr]       Adding nom v6.0.1 (available: v6.2.2)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded console v0.16.1
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded arrayvec v0.5.2
[INFO] [stderr]   Downloaded indicatif v0.15.0
[INFO] [stderr]   Downloaded bitvec v0.19.6
[INFO] [stderr]   Downloaded nom v6.0.1
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f1c2a3b0b2904c9221ee53b98b86b9e4065f9915019791bcadd7784cabbdd66
[INFO] running `Command { std: "docker" "start" "-a" "0f1c2a3b0b2904c9221ee53b98b86b9e4065f9915019791bcadd7784cabbdd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f1c2a3b0b2904c9221ee53b98b86b9e4065f9915019791bcadd7784cabbdd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1c2a3b0b2904c9221ee53b98b86b9e4065f9915019791bcadd7784cabbdd66", kill_on_drop: false }`
[INFO] [stdout] 0f1c2a3b0b2904c9221ee53b98b86b9e4065f9915019791bcadd7784cabbdd66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27f591e65bb730b02bfb64a3d4eed83f0592482a5d4f7187b1a2961f05ac3514
[INFO] running `Command { std: "docker" "start" "-a" "27f591e65bb730b02bfb64a3d4eed83f0592482a5d4f7187b1a2961f05ac3514", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling console v0.16.1
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling vicis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_into_raw_parts)]
[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 `vicis` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "27f591e65bb730b02bfb64a3d4eed83f0592482a5d4f7187b1a2961f05ac3514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f591e65bb730b02bfb64a3d4eed83f0592482a5d4f7187b1a2961f05ac3514", kill_on_drop: false }`
[INFO] [stdout] 27f591e65bb730b02bfb64a3d4eed83f0592482a5d4f7187b1a2961f05ac3514