[INFO] cloning repository https://github.com/GiantPanda0090/x86_64_RustOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GiantPanda0090/x86_64_RustOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiantPanda0090%2Fx86_64_RustOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiantPanda0090%2Fx86_64_RustOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae79d8c66a8033af2bff404a82c753023c01bb0d
[INFO] checking GiantPanda0090/x86_64_RustOS against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiantPanda0090%2Fx86_64_RustOS" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/GiantPanda0090/x86_64_RustOS on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GiantPanda0090/x86_64_RustOS
[INFO] finished tweaking git repo https://github.com/GiantPanda0090/x86_64_RustOS
[INFO] tweaked toml for git repo https://github.com/GiantPanda0090/x86_64_RustOS written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/GiantPanda0090/x86_64_RustOS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.4.6
[INFO] [stderr]   Downloaded linked_list_allocator v0.4.2
[INFO] [stderr]   Downloaded once v0.3.3
[INFO] [stderr]   Downloaded bit_field v0.7.0
[INFO] [stderr]   Downloaded multiboot2 v0.1.0
[INFO] [stderr]   Downloaded volatile v0.1.0
[INFO] [stderr]   Downloaded x86_64 v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b4afbd40e00de4538e261599cc86802f9fef4e9ea06af90770ad1c42cd2e184
[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" "2b4afbd40e00de4538e261599cc86802f9fef4e9ea06af90770ad1c42cd2e184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b4afbd40e00de4538e261599cc86802f9fef4e9ea06af90770ad1c42cd2e184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4afbd40e00de4538e261599cc86802f9fef4e9ea06af90770ad1c42cd2e184", kill_on_drop: false }`
[INFO] [stdout] 2b4afbd40e00de4538e261599cc86802f9fef4e9ea06af90770ad1c42cd2e184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7d62e721c93a972f394a224b7c9a7fe9df1c694adbc15acc703e69f11e4cb2d
[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" "a7d62e721c93a972f394a224b7c9a7fe9df1c694adbc15acc703e69f11e4cb2d", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking spin v0.4.6
[INFO] [stderr]     Checking bit_field v0.7.0
[INFO] [stderr]     Checking once v0.3.3
[INFO] [stderr]     Checking volatile v0.1.0
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/util.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     unsafe { asm!("pause" :::: "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] [stderr]     Checking multiboot2 v0.1.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a7d62e721c93a972f394a224b7c9a7fe9df1c694adbc15acc703e69f11e4cb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d62e721c93a972f394a224b7c9a7fe9df1c694adbc15acc703e69f11e4cb2d", kill_on_drop: false }`
[INFO] [stdout] a7d62e721c93a972f394a224b7c9a7fe9df1c694adbc15acc703e69f11e4cb2d