[INFO] fetching crate rustfmt-core 0.4.0...
[INFO] checking rustfmt-core-0.4.0 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate rustfmt-core 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rustfmt-core 0.4.0 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfmt-core 0.4.0
[INFO] finished tweaking crates.io crate rustfmt-core 0.4.0
[INFO] tweaked toml for crates.io crate rustfmt-core 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-rustc_cratesio_shim v29.0.0
[INFO] [stderr]   Downloaded rustc-ap-serialize v29.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v29.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v29.0.0
[INFO] [stderr]   Downloaded rustc-ap-syntax v29.0.0
[INFO] [stderr]   Downloaded rustfmt-config v0.4.0
[INFO] [stderr]   Downloaded rustc-ap-syntax_pos v29.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdb3635b5d452e798c73072a217bebd5f303f6da7c3cae0908216ea7370a2e8e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bdb3635b5d452e798c73072a217bebd5f303f6da7c3cae0908216ea7370a2e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdb3635b5d452e798c73072a217bebd5f303f6da7c3cae0908216ea7370a2e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb3635b5d452e798c73072a217bebd5f303f6da7c3cae0908216ea7370a2e8e", kill_on_drop: false }`
[INFO] [stdout] bdb3635b5d452e798c73072a217bebd5f303f6da7c3cae0908216ea7370a2e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a1858f70e994eb3cd1fb9bf8b21b648dd5354e1674824cfbd7de77c891a11ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a1858f70e994eb3cd1fb9bf8b21b648dd5354e1674824cfbd7de77c891a11ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-ap-serialize v29.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rustc-ap-syntax v29.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rustc-ap-rustc_cratesio_shim v29.0.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot-0.5.5/src/elision.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |               asm!("xacquire; lock; cmpxchgq $2, $1"
[INFO] [stdout]     |               ^---
[INFO] [stdout]     |               |
[INFO] [stdout]     |  _____________help: replace with: `llvm_asm!`
[INFO] [stdout]     | |
[INFO] [stdout] 141 | |                  : "={rax}" (prev), "+*m" (self)
[INFO] [stdout] 142 | |                  : "r" (new), "{rax}" (current)
[INFO] [stdout] 143 | |                  : "memory"
[INFO] [stdout] 144 | |                  : "volatile");
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot-0.5.5/src/elision.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |               asm!("xrelease; lock; cmpxchgq $2, $1"
[INFO] [stdout]     |               ^---
[INFO] [stdout]     |               |
[INFO] [stdout]     |  _____________help: replace with: `llvm_asm!`
[INFO] [stdout]     | |
[INFO] [stdout] 158 | |                  : "={rax}" (prev), "+*m" (self)
[INFO] [stdout] 159 | |                  : "r" (new), "{rax}" (current)
[INFO] [stdout] 160 | |                  : "memory"
[INFO] [stdout] 161 | |                  : "volatile");
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]     = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parking_lot`
[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 `Command { std: "docker" "inspect" "9a1858f70e994eb3cd1fb9bf8b21b648dd5354e1674824cfbd7de77c891a11ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1858f70e994eb3cd1fb9bf8b21b648dd5354e1674824cfbd7de77c891a11ad", kill_on_drop: false }`
[INFO] [stdout] 9a1858f70e994eb3cd1fb9bf8b21b648dd5354e1674824cfbd7de77c891a11ad