[INFO] fetching crate pinned-init 0.0.10...
[INFO] testing pinned-init-0.0.10 against 1.91.0 for beta-1.92-2
[INFO] extracting crate pinned-init 0.0.10 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate pinned-init 0.0.10
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pinned-init 0.0.10
[INFO] tweaked toml for crates.io crate pinned-init 0.0.10 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pinned-init 0.0.10 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 pinned-init 0.0.10 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.110
[INFO] [stderr]   Downloaded target-triple v0.1.4
[INFO] [stderr]   Downloaded toml v0.9.4
[INFO] [stderr]   Downloaded macrotest v1.2.0
[INFO] [stderr]   Downloaded dissimilar v1.0.7
[INFO] [stderr]   Downloaded prettyplease v0.2.17
[INFO] [stderr]   Downloaded toml_parser v1.0.1
[INFO] [stderr]   Downloaded syn v2.0.58
[INFO] [stderr]   Downloaded pinned-init-macro v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 10eff6de30b16890bf5fbaf9db363e24cd2c90f2053cd4bb58d6cf64cdffddaa
[INFO] running `Command { std: "docker" "start" "-a" "10eff6de30b16890bf5fbaf9db363e24cd2c90f2053cd4bb58d6cf64cdffddaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10eff6de30b16890bf5fbaf9db363e24cd2c90f2053cd4bb58d6cf64cdffddaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10eff6de30b16890bf5fbaf9db363e24cd2c90f2053cd4bb58d6cf64cdffddaa", kill_on_drop: false }`
[INFO] [stdout] 10eff6de30b16890bf5fbaf9db363e24cd2c90f2053cd4bb58d6cf64cdffddaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1b076cc5727ca5f1965db12124f2bf816e063f6b0dbda3f9da556662f0dc6aca
[INFO] running `Command { std: "docker" "start" "-a" "1b076cc5727ca5f1965db12124f2bf816e063f6b0dbda3f9da556662f0dc6aca", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling pinned-init-macro v0.0.6
[INFO] [stderr]    Compiling pinned-init v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:297:32
[INFO] [stdout]     |
[INFO] [stdout] 297 | #![cfg_attr(feature = "alloc", feature(allocator_api))]
[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 `pinned-init` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1b076cc5727ca5f1965db12124f2bf816e063f6b0dbda3f9da556662f0dc6aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b076cc5727ca5f1965db12124f2bf816e063f6b0dbda3f9da556662f0dc6aca", kill_on_drop: false }`
[INFO] [stdout] 1b076cc5727ca5f1965db12124f2bf816e063f6b0dbda3f9da556662f0dc6aca