[INFO] crate greenthread-future 0.1.0 is already in cache
[INFO] checking greenthread-future-0.1.0 against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] extracting crate greenthread-future 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate greenthread-future 0.1.0 on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate greenthread-future 0.1.0
[INFO] finished tweaking crates.io crate greenthread-future 0.1.0
[INFO] tweaked toml for crates.io crate greenthread-future 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a518d49573226aa61fa150ca42a1b24eaa0c62bfa951fd2f75adbf7e1065ba4a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a518d49573226aa61fa150ca42a1b24eaa0c62bfa951fd2f75adbf7e1065ba4a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking greenthread-future v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> src/lib.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         asm!("" : "={rsp}"(rsp));
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]    --> src/lib.rs:98:9
[INFO] [stderr]     |
[INFO] [stderr] 98  |           asm!(r#"
[INFO] [stderr]     |           ^---
[INFO] [stderr]     |           |
[INFO] [stderr]     |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]     | |
[INFO] [stderr] 99  | |         mov [rdi], rsp
[INFO] [stderr] 100 | |         mov [rdi + 8*1], rbx
[INFO] [stderr] 101 | |         mov [rdi + 8*2], rbp
[INFO] [stderr] ...   |
[INFO] [stderr] 113 | |         mov rsp, [rsi]
[INFO] [stderr] 114 | |         "# :::: "volatile" "intel");
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `greenthread-future`.
[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 `"docker" "inspect" "a518d49573226aa61fa150ca42a1b24eaa0c62bfa951fd2f75adbf7e1065ba4a"`
[INFO] running `"docker" "rm" "-f" "a518d49573226aa61fa150ca42a1b24eaa0c62bfa951fd2f75adbf7e1065ba4a"`
[INFO] [stdout] a518d49573226aa61fa150ca42a1b24eaa0c62bfa951fd2f75adbf7e1065ba4a