[INFO] updating cached repository https://github.com/niklabh/RustGreenThreads
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7be5265e54fb61ae6ee9fff8e065a890f41d1740
[INFO] checking niklabh/RustGreenThreads against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklabh%2FRustGreenThreads" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niklabh/RustGreenThreads on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/niklabh/RustGreenThreads
[INFO] finished tweaking git repo https://github.com/niklabh/RustGreenThreads
[INFO] tweaked toml for git repo https://github.com/niklabh/RustGreenThreads written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/niklabh/RustGreenThreads already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/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[INFO] the lockfile is outdated, regenerating it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 `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] facf3b887e536bb56128e5d36e86fbf0b7139a7aca136b5f19fa9aa32424a746
[INFO] running `"docker" "start" "-a" "facf3b887e536bb56128e5d36e86fbf0b7139a7aca136b5f19fa9aa32424a746"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking RustGreenThread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/main.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |       asm!("
[INFO] [stderr]     |       ^---
[INFO] [stderr]     |       |
[INFO] [stderr]     |  _____help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 156 | |         mov     %rsp, 0x00($0)
[INFO] [stderr] 157 | |         mov     %r15, 0x08($0)
[INFO] [stderr] 158 | |         mov     %r14, 0x10($0)
[INFO] [stderr] ...   |
[INFO] [stderr] 176 | |     : "alignstack" // needed to work on windows
[INFO] [stderr] 177 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/main.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |       asm!("
[INFO] [stderr]     |       ^---
[INFO] [stderr]     |       |
[INFO] [stderr]     |  _____help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 156 | |         mov     %rsp, 0x00($0)
[INFO] [stderr] 157 | |         mov     %r15, 0x08($0)
[INFO] [stderr] 158 | |         mov     %r14, 0x10($0)
[INFO] [stderr] ...   |
[INFO] [stderr] 176 | |     : "alignstack" // needed to work on windows
[INFO] [stderr] 177 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `RustGreenThread`.
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "facf3b887e536bb56128e5d36e86fbf0b7139a7aca136b5f19fa9aa32424a746"`
[INFO] running `"docker" "rm" "-f" "facf3b887e536bb56128e5d36e86fbf0b7139a7aca136b5f19fa9aa32424a746"`
[INFO] [stdout] facf3b887e536bb56128e5d36e86fbf0b7139a7aca136b5f19fa9aa32424a746