[INFO] fetching crate ruspiro-mailbox 0.4.1...
[INFO] checking ruspiro-mailbox-0.4.1 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] extracting crate ruspiro-mailbox 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ruspiro-mailbox 0.4.1 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruspiro-mailbox 0.4.1
[INFO] finished tweaking crates.io crate ruspiro-mailbox 0.4.1
[INFO] tweaked toml for crates.io crate ruspiro-mailbox 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruspiro-mmio-register v0.1.4
[INFO] [stderr]   Downloaded ruspiro-arch-aarch64 v0.1.7
[INFO] [stderr]   Downloaded ruspiro-register v0.5.5
[INFO] [stderr]   Downloaded ruspiro-cache v0.4.1
[INFO] [stderr]   Downloaded ruspiro-error v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e88aa767ac54ba2c65f6305b76afc3171646f70eae41df1d999ddda57ac385da
[INFO] running `Command { std: "docker" "start" "-a" "e88aa767ac54ba2c65f6305b76afc3171646f70eae41df1d999ddda57ac385da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e88aa767ac54ba2c65f6305b76afc3171646f70eae41df1d999ddda57ac385da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88aa767ac54ba2c65f6305b76afc3171646f70eae41df1d999ddda57ac385da", kill_on_drop: false }`
[INFO] [stdout] e88aa767ac54ba2c65f6305b76afc3171646f70eae41df1d999ddda57ac385da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 103cc9c69a842d4c983f9bddca4c37d21cd8af1ad0ff63fd6501634fc581d13f
[INFO] running `Command { std: "docker" "start" "-a" "103cc9c69a842d4c983f9bddca4c37d21cd8af1ad0ff63fd6501634fc581d13f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking ruspiro-register v0.5.5
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking ruspiro-error v0.1.1
[INFO] [stderr]     Checking ruspiro-arch-aarch64 v0.1.7
[INFO] [stderr]     Checking ruspiro-mmio-register v0.1.4
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling ruspiro-cache v0.4.1
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ruspiro-cache-0.4.1/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(llvm_asm, core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruspiro-cache` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "103cc9c69a842d4c983f9bddca4c37d21cd8af1ad0ff63fd6501634fc581d13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103cc9c69a842d4c983f9bddca4c37d21cd8af1ad0ff63fd6501634fc581d13f", kill_on_drop: false }`
[INFO] [stdout] 103cc9c69a842d4c983f9bddca4c37d21cd8af1ad0ff63fd6501634fc581d13f
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking ruspiro-mailbox-0.4.1 against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] extracting crate ruspiro-mailbox 0.4.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ruspiro-mailbox 0.4.1 on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruspiro-mailbox 0.4.1
[INFO] finished tweaking crates.io crate ruspiro-mailbox 0.4.1
[INFO] tweaked toml for crates.io crate ruspiro-mailbox 0.4.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfdfd0e3b51018ed6dd171e26d51b5568d82502bff018fdc53c6f1d92a3dc6a2
[INFO] running `Command { std: "docker" "start" "-a" "dfdfd0e3b51018ed6dd171e26d51b5568d82502bff018fdc53c6f1d92a3dc6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfdfd0e3b51018ed6dd171e26d51b5568d82502bff018fdc53c6f1d92a3dc6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfdfd0e3b51018ed6dd171e26d51b5568d82502bff018fdc53c6f1d92a3dc6a2", kill_on_drop: false }`
[INFO] [stdout] dfdfd0e3b51018ed6dd171e26d51b5568d82502bff018fdc53c6f1d92a3dc6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8f5a24c745a1a3e4c7b3d087bfcdd79bf11b09e68c614feb4d1d6a9487ab224
[INFO] running `Command { std: "docker" "start" "-a" "a8f5a24c745a1a3e4c7b3d087bfcdd79bf11b09e68c614feb4d1d6a9487ab224", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking ruspiro-register v0.5.5
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking ruspiro-error v0.1.1
[INFO] [stderr]     Checking ruspiro-arch-aarch64 v0.1.7
[INFO] [stderr]     Checking ruspiro-mmio-register v0.1.4
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling ruspiro-cache v0.4.1
[INFO] [stdout] error[E0635]: unknown feature `llvm_asm`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ruspiro-cache-0.4.1/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(llvm_asm, core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruspiro-cache` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a8f5a24c745a1a3e4c7b3d087bfcdd79bf11b09e68c614feb4d1d6a9487ab224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f5a24c745a1a3e4c7b3d087bfcdd79bf11b09e68c614feb4d1d6a9487ab224", kill_on_drop: false }`
[INFO] [stdout] a8f5a24c745a1a3e4c7b3d087bfcdd79bf11b09e68c614feb4d1d6a9487ab224