[INFO] fetching crate standalone-proc-macro2 0.2.2...
[INFO] checking standalone-proc-macro2-0.2.2 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate standalone-proc-macro2 0.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate standalone-proc-macro2 0.2.2 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate standalone-proc-macro2 0.2.2
[INFO] finished tweaking crates.io crate standalone-proc-macro2 0.2.2
[INFO] tweaked toml for crates.io crate standalone-proc-macro2 0.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e803bdba2c9300d1a6e83c2e788aff9dad0f533bd4822738914e46a86f0b20e6
[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" "e803bdba2c9300d1a6e83c2e788aff9dad0f533bd4822738914e46a86f0b20e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e803bdba2c9300d1a6e83c2e788aff9dad0f533bd4822738914e46a86f0b20e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e803bdba2c9300d1a6e83c2e788aff9dad0f533bd4822738914e46a86f0b20e6", kill_on_drop: false }`
[INFO] [stdout] e803bdba2c9300d1a6e83c2e788aff9dad0f533bd4822738914e46a86f0b20e6
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e342b6426de67bfe47d3b2b5763c959679eb38367ce470e6087b00debca69115
[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" "e342b6426de67bfe47d3b2b5763c959679eb38367ce470e6087b00debca69115", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking rustc-ap-serialize v40.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v40.0.0
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rustc-ap-rustc_cratesio_shim v40.0.0
[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" "e342b6426de67bfe47d3b2b5763c959679eb38367ce470e6087b00debca69115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e342b6426de67bfe47d3b2b5763c959679eb38367ce470e6087b00debca69115", kill_on_drop: false }`
[INFO] [stdout] e342b6426de67bfe47d3b2b5763c959679eb38367ce470e6087b00debca69115