[INFO] cloning repository https://github.com/zanders3/park_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zanders3/park_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzanders3%2Fpark_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzanders3%2Fpark_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b2369f5f16cf597a0ff38232d4c47bc17790d5e
[INFO] checking zanders3/park_os against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzanders3%2Fpark_os" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zanders3/park_os on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zanders3/park_os
[INFO] finished tweaking git repo https://github.com/zanders3/park_os
[INFO] tweaked toml for git repo https://github.com/zanders3/park_os written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zanders3/park_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/multiboot2-elf64`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/multiboot2-elf64`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlibc v0.1.5
[INFO] [stderr]   Downloaded spin v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5adef75d8755ba062c6e182cad79f6b57d9b6eba800a1bc008456d6e4f2d589e
[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" "5adef75d8755ba062c6e182cad79f6b57d9b6eba800a1bc008456d6e4f2d589e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5adef75d8755ba062c6e182cad79f6b57d9b6eba800a1bc008456d6e4f2d589e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5adef75d8755ba062c6e182cad79f6b57d9b6eba800a1bc008456d6e4f2d589e", kill_on_drop: false }`
[INFO] [stdout] 5adef75d8755ba062c6e182cad79f6b57d9b6eba800a1bc008456d6e4f2d589e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 5a324a680f3f0c5baaa4981b4fdbf2c66a6b77d4ba7ba84c0f584f771327225c
[INFO] running `Command { std: "docker" "start" "-a" "5a324a680f3f0c5baaa4981b4fdbf2c66a6b77d4ba7ba84c0f584f771327225c", kill_on_drop: false }`
[INFO] [stderr]     Checking rlibc v0.1.5
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking spin v0.3.5
[INFO] [stderr]     Checking multiboot2 v0.9.0 (https://github.com/phil-opp/multiboot2-elf64#30d64f41)
[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-0.3.5/src/mutex.rs:102:14
[INFO] [stdout]     |
[INFO] [stdout] 102 |     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] [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" "5a324a680f3f0c5baaa4981b4fdbf2c66a6b77d4ba7ba84c0f584f771327225c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a324a680f3f0c5baaa4981b4fdbf2c66a6b77d4ba7ba84c0f584f771327225c", kill_on_drop: false }`
[INFO] [stdout] 5a324a680f3f0c5baaa4981b4fdbf2c66a6b77d4ba7ba84c0f584f771327225c
