[INFO] fetching crate storage_api 0.5.1...
[INFO] testing storage_api-0.5.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate storage_api 0.5.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate storage_api 0.5.1
[INFO] finished tweaking crates.io crate storage_api 0.5.1
[INFO] tweaked toml for crates.io crate storage_api 0.5.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate storage_api 0.5.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate storage_api 0.5.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 273d0b2ebb13aa4ed35ba87c64a4337c03254e2edd1ae60ee93cecca02b05dda
[INFO] running `Command { std: "docker" "start" "-a" "273d0b2ebb13aa4ed35ba87c64a4337c03254e2edd1ae60ee93cecca02b05dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "273d0b2ebb13aa4ed35ba87c64a4337c03254e2edd1ae60ee93cecca02b05dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273d0b2ebb13aa4ed35ba87c64a4337c03254e2edd1ae60ee93cecca02b05dda", kill_on_drop: false }`
[INFO] [stdout] 273d0b2ebb13aa4ed35ba87c64a4337c03254e2edd1ae60ee93cecca02b05dda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a7f61161e733e23fd7d12e944cae3a4f29e55d0d976ba191d3c1b2000880069
[INFO] running `Command { std: "docker" "start" "-a" "4a7f61161e733e23fd7d12e944cae3a4f29e55d0d976ba191d3c1b2000880069", kill_on_drop: false }`
[INFO] [stderr]    Compiling storage_api v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | /     feature(
[INFO] [stdout]  7 | |         ptr_metadata,
[INFO] [stdout]  8 | |         layout_for_ptr,
[INFO] [stdout]  9 | |         alloc_layout_extra,
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |         dropck_eyepatch
[INFO] [stdout] 14 | |     )
[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 `storage_api` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4a7f61161e733e23fd7d12e944cae3a4f29e55d0d976ba191d3c1b2000880069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7f61161e733e23fd7d12e944cae3a4f29e55d0d976ba191d3c1b2000880069", kill_on_drop: false }`
[INFO] [stdout] 4a7f61161e733e23fd7d12e944cae3a4f29e55d0d976ba191d3c1b2000880069
