[INFO] cloning repository https://github.com/AltOS-Rust/altos-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AltOS-Rust/altos-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltOS-Rust%2Faltos-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltOS-Rust%2Faltos-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 492367941b0017c8ba1dcdbb1f2773e74254647b
[INFO] checking AltOS-Rust/altos-core against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltOS-Rust%2Faltos-core" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AltOS-Rust/altos-core on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AltOS-Rust/altos-core
[INFO] finished tweaking git repo https://github.com/AltOS-Rust/altos-core
[INFO] tweaked toml for git repo https://github.com/AltOS-Rust/altos-core written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/AltOS-Rust/altos-core already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78b4dc8937f72823f97257b0c42279dac017b330701a50963ea404aae335efbd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "78b4dc8937f72823f97257b0c42279dac017b330701a50963ea404aae335efbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78b4dc8937f72823f97257b0c42279dac017b330701a50963ea404aae335efbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b4dc8937f72823f97257b0c42279dac017b330701a50963ea404aae335efbd", kill_on_drop: false }`
[INFO] [stdout] 78b4dc8937f72823f97257b0c42279dac017b330701a50963ea404aae335efbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f438a748136722cffbe7ad0e8388b8bdc6d84eb3481c4be89d52019f00770de5
[INFO] running `Command { std: "docker" "start" "-a" "f438a748136722cffbe7ad0e8388b8bdc6d84eb3481c4be89d52019f00770de5", kill_on_drop: false }`
[INFO] [stderr]     Checking volatile-ptr v0.1.0 (https://github.com/AltOS-Rust/volatile#a6c4b3d8)
[INFO] [stderr]     Checking altos-macros v0.1.0 (/opt/rustwide/workdir/libs/altos-macros)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/volatile-f8b640add15eb786/a6c4b3d/src/lib.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |             asm!("" ::: "memory" : "volatile");
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: replace with: `llvm_asm!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/volatile-f8b640add15eb786/a6c4b3d/src/lib.rs:388:13
[INFO] [stdout]     |
[INFO] [stdout] 388 |             asm!("" ::: "memory" : "volatile");
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: replace with: `llvm_asm!`
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `volatile-ptr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f438a748136722cffbe7ad0e8388b8bdc6d84eb3481c4be89d52019f00770de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f438a748136722cffbe7ad0e8388b8bdc6d84eb3481c4be89d52019f00770de5", kill_on_drop: false }`
[INFO] [stdout] f438a748136722cffbe7ad0e8388b8bdc6d84eb3481c4be89d52019f00770de5