[INFO] fetching crate mlsag 0.3.0...
[INFO] checking mlsag-0.3.0 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate mlsag 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mlsag 0.3.0 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mlsag 0.3.0
[INFO] finished tweaking crates.io crate mlsag 0.3.0
[INFO] tweaked toml for crates.io crate mlsag 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1a399c10897767c36d147199696c96f193034e49" "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] bfa0ff08b6e9e376db73d141345797c7f8de10dedaa475820393abe8b7782cd4
[INFO] running `"docker" "start" "-a" "bfa0ff08b6e9e376db73d141345797c7f8de10dedaa475820393abe8b7782cd4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clear_on_drop-0.2.3/src/hide.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 asm!("" : : "r" (ptr as *mut u8) : "memory");
[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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clear_on_drop-0.2.3/src/hide.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 asm!("" : "=*m" (ptr) : "*0" (ptr));
[INFO] [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `clear_on_drop`.
[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: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clear_on_drop-0.2.3/src/hide.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 asm!("" : : "r" (ptr as *mut u8) : "memory");
[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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clear_on_drop-0.2.3/src/hide.rs:47:17
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 asm!("" : "=*m" (ptr) : "*0" (ptr));
[INFO] [stderr]    |                 ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bfa0ff08b6e9e376db73d141345797c7f8de10dedaa475820393abe8b7782cd4"`
[INFO] running `"docker" "rm" "-f" "bfa0ff08b6e9e376db73d141345797c7f8de10dedaa475820393abe8b7782cd4"`
[INFO] [stdout] bfa0ff08b6e9e376db73d141345797c7f8de10dedaa475820393abe8b7782cd4