[INFO] fetching crate stupidalloc 0.2.2...
[INFO] checking stupidalloc-0.2.2 against 1.95.0 for pr-155915
[INFO] extracting crate stupidalloc 0.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate stupidalloc 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stupidalloc 0.2.2
[INFO] tweaked toml for crates.io crate stupidalloc 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stupidalloc 0.2.2 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 stupidalloc 0.2.2 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xcursor v0.3.5
[INFO] [stderr]   Downloaded minifb v0.25.0
[INFO] [stderr]   Downloaded memmap2 v0.7.1
[INFO] [stderr]   Downloaded libredox v0.0.2
[INFO] [stderr]   Downloaded wfd v0.1.7
[INFO] [stderr]   Downloaded native-dialog v0.6.4
[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded syn v2.0.53
[INFO] [stderr]   Downloaded rustix v0.38.32
[INFO] [stderr]   Downloaded orbclient v0.3.47
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 43553dd8f0e41622fc3b44f82995ad8ab0237103dcd88fbe9828625bc583d161
[INFO] running `Command { std: "docker" "start" "-a" "43553dd8f0e41622fc3b44f82995ad8ab0237103dcd88fbe9828625bc583d161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43553dd8f0e41622fc3b44f82995ad8ab0237103dcd88fbe9828625bc583d161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43553dd8f0e41622fc3b44f82995ad8ab0237103dcd88fbe9828625bc583d161", kill_on_drop: false }`
[INFO] [stdout] 43553dd8f0e41622fc3b44f82995ad8ab0237103dcd88fbe9828625bc583d161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5c0b5b7569f4b86d931351ad2cb94b04ab2bf692dceb1db5df46e00f9e08affd
[INFO] running `Command { std: "docker" "start" "-a" "5c0b5b7569f4b86d931351ad2cb94b04ab2bf692dceb1db5df46e00f9e08affd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking stupidalloc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | #![feature(allocator_api)]
[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:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | #![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 `stupidalloc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stupidalloc` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5c0b5b7569f4b86d931351ad2cb94b04ab2bf692dceb1db5df46e00f9e08affd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0b5b7569f4b86d931351ad2cb94b04ab2bf692dceb1db5df46e00f9e08affd", kill_on_drop: false }`
[INFO] [stdout] 5c0b5b7569f4b86d931351ad2cb94b04ab2bf692dceb1db5df46e00f9e08affd
