[INFO] crate loom 0.3.4 is already in cache
[INFO] checking loom-0.3.4 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate loom 0.3.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate loom 0.3.4 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate loom 0.3.4
[INFO] finished tweaking crates.io crate loom 0.3.4
[INFO] tweaked toml for crates.io crate loom 0.3.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] edb302a5a61d8d4bb5ab03fde05323a944374d0c5b86065df13269cda283ecf2
[INFO] running `"docker" "start" "-a" "edb302a5a61d8d4bb5ab03fde05323a944374d0c5b86065df13269cda283ecf2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling generator v0.6.20
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.20/src/detail/x86_64_unix.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |           asm!(
[INFO] [stderr]    |           ^---
[INFO] [stderr]    |           |
[INFO] [stderr]    |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 20 | |             "prefetcht1 $0"
[INFO] [stderr] 21 | |             : // no output
[INFO] [stderr] 22 | |             : "m"(*data)
[INFO] [stderr] 23 | |             :
[INFO] [stderr] 24 | |             : "volatile"
[INFO] [stderr] 25 | |         );
[INFO] [stderr]    | |__________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.20/src/detail/x86_64_unix.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |           asm!(
[INFO] [stderr]    |           ^---
[INFO] [stderr]    |           |
[INFO] [stderr]    |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 32 | |             "
[INFO] [stderr] 33 | |                 mov %r12, %rdi     // setup the function arg
[INFO] [stderr] 34 | |                 mov %r13, %rsi     // setup the function arg
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |             : "volatile"
[INFO] [stderr] 42 | |         );
[INFO] [stderr]    | |__________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.20/src/detail/x86_64_unix.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |           asm!(
[INFO] [stderr]    |           ^---
[INFO] [stderr]    |           |
[INFO] [stderr]    |  _________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 50 | |             ""
[INFO] [stderr] 51 | |             :
[INFO] [stderr] 52 | |             : "{rdi}"(out_regs), "{rsi}"(in_regs)
[INFO] [stderr] 53 | |             :
[INFO] [stderr] 54 | |             :
[INFO] [stderr] 55 | |         );
[INFO] [stderr]    | |__________^
[INFO] [stderr] 
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/generator-0.6.20/src/detail/x86_64_unix.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |               asm!(
[INFO] [stderr]    |               ^---
[INFO] [stderr]    |               |
[INFO] [stderr]    |  _____________help: replace with: `llvm_asm!`
[INFO] [stderr]    | |
[INFO] [stderr] 62 | |                 "
[INFO] [stderr] 63 | |                     mov %rbx, (0*8)(%rdi)
[INFO] [stderr] 64 | |                     mov %rsp, (1*8)(%rdi)
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |                 : "volatile"
[INFO] [stderr] 87 | |             );
[INFO] [stderr]    | |______________^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `generator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "edb302a5a61d8d4bb5ab03fde05323a944374d0c5b86065df13269cda283ecf2"`
[INFO] running `"docker" "rm" "-f" "edb302a5a61d8d4bb5ab03fde05323a944374d0c5b86065df13269cda283ecf2"`
[INFO] [stdout] edb302a5a61d8d4bb5ab03fde05323a944374d0c5b86065df13269cda283ecf2