[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] testing niklabh/RustGreenThreads against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklabh%2FRustGreenThreads" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niklabh/RustGreenThreads on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-14/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/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[INFO] the lockfile is outdated, regenerating it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" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ccf89668257e8bd48a5769b73091a8709fc4dcce08c7fc02f98de2924072df9c
[INFO] running `"docker" "start" "-a" "ccf89668257e8bd48a5769b73091a8709fc4dcce08c7fc02f98de2924072df9c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling RustGreenThread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: the legacy LLVM-style 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]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stderr]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(naked_functions)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `RustGreenThread`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ccf89668257e8bd48a5769b73091a8709fc4dcce08c7fc02f98de2924072df9c"`
[INFO] running `"docker" "rm" "-f" "ccf89668257e8bd48a5769b73091a8709fc4dcce08c7fc02f98de2924072df9c"`
[INFO] [stdout] ccf89668257e8bd48a5769b73091a8709fc4dcce08c7fc02f98de2924072df9c