[INFO] fetching crate storage_api 0.5.1...
[INFO] checking storage_api-0.5.1 against 1.95.0 for pr-155915
[INFO] extracting crate storage_api 0.5.1 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate storage_api 0.5.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4353eaf6458af0ca772a6e97d1ad1dfccada21faae9365640ba9d9b176b749ee
[INFO] running `Command { std: "docker" "start" "-a" "4353eaf6458af0ca772a6e97d1ad1dfccada21faae9365640ba9d9b176b749ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4353eaf6458af0ca772a6e97d1ad1dfccada21faae9365640ba9d9b176b749ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4353eaf6458af0ca772a6e97d1ad1dfccada21faae9365640ba9d9b176b749ee", kill_on_drop: false }`
[INFO] [stdout] 4353eaf6458af0ca772a6e97d1ad1dfccada21faae9365640ba9d9b176b749ee
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ff8224721a14d57b6bcac229cd89eb1af2cbfe3966715c66b757d81087ff109
[INFO] running `Command { std: "docker" "start" "-a" "0ff8224721a14d57b6bcac229cd89eb1af2cbfe3966715c66b757d81087ff109", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] 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] warning: the feature `alloc_layout_extra` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         alloc_layout_extra,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc_layout_extra` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         alloc_layout_extra,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[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; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `storage_api` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0ff8224721a14d57b6bcac229cd89eb1af2cbfe3966715c66b757d81087ff109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff8224721a14d57b6bcac229cd89eb1af2cbfe3966715c66b757d81087ff109", kill_on_drop: false }`
[INFO] [stdout] 0ff8224721a14d57b6bcac229cd89eb1af2cbfe3966715c66b757d81087ff109
