[INFO] fetching crate crashtag 0.1.1...
[INFO] checking crashtag-0.1.1 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate crashtag 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate crashtag 0.1.1 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crashtag 0.1.1
[INFO] finished tweaking crates.io crate crashtag 0.1.1
[INFO] tweaked toml for crates.io crate crashtag 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a3c32d37a5d80a1b061b0cead7e40763a690e603ce0aaea7d8b33c56c90a7d3
[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" "6a3c32d37a5d80a1b061b0cead7e40763a690e603ce0aaea7d8b33c56c90a7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a3c32d37a5d80a1b061b0cead7e40763a690e603ce0aaea7d8b33c56c90a7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3c32d37a5d80a1b061b0cead7e40763a690e603ce0aaea7d8b33c56c90a7d3", kill_on_drop: false }`
[INFO] [stdout] 6a3c32d37a5d80a1b061b0cead7e40763a690e603ce0aaea7d8b33c56c90a7d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6db05d5b5d64f03f56157122108f74f575123d5c83fb5d08e82eb5ee6298b3b2
[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" "6db05d5b5d64f03f56157122108f74f575123d5c83fb5d08e82eb5ee6298b3b2", kill_on_drop: false }`
[INFO] [stderr]     Checking crashtag v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/lib.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |         unsafe { asm!("" : : "r"(&stackmem)) }
[INFO] [stdout]    |                  ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: replace with: `llvm_asm!`
[INFO] [stdout] ...
[INFO] [stdout] 24 |         crashtag!("TAG1=123");
[INFO] [stdout]    |         ---------------------- in this macro invocation
[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]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]   --> src/lib.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |         unsafe { asm!("" : : "r"(&stackmem)) }
[INFO] [stdout]    |                  ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: replace with: `llvm_asm!`
[INFO] [stdout] ...
[INFO] [stdout] 25 |         crashtag!("TAG2=ABC");
[INFO] [stdout]    |         ---------------------- in this macro invocation
[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]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crashtag`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6db05d5b5d64f03f56157122108f74f575123d5c83fb5d08e82eb5ee6298b3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db05d5b5d64f03f56157122108f74f575123d5c83fb5d08e82eb5ee6298b3b2", kill_on_drop: false }`
[INFO] [stdout] 6db05d5b5d64f03f56157122108f74f575123d5c83fb5d08e82eb5ee6298b3b2