[INFO] fetching crate irona 0.1.1...
[INFO] checking irona-0.1.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate irona 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate irona 0.1.1 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irona 0.1.1
[INFO] finished tweaking crates.io crate irona 0.1.1
[INFO] tweaked toml for crates.io crate irona 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate irona 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded half v1.4.1
[INFO] [stderr]   Downloaded broadcaster v1.0.0
[INFO] [stderr]   Downloaded curve25519-dalek v2.0.0
[INFO] [stderr]   Downloaded serde_qs v0.5.2
[INFO] [stderr]   Downloaded tide v0.6.0
[INFO] [stderr]   Downloaded http-service v0.4.0
[INFO] [stderr]   Downloaded http-service-hyper v0.4.1
[INFO] [stderr]   Downloaded data-encoding v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc76ca18bf1323c1102f06a67150789c9d015f642f2b8cb8a9b52b11d572c445
[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" "bc76ca18bf1323c1102f06a67150789c9d015f642f2b8cb8a9b52b11d572c445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc76ca18bf1323c1102f06a67150789c9d015f642f2b8cb8a9b52b11d572c445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc76ca18bf1323c1102f06a67150789c9d015f642f2b8cb8a9b52b11d572c445", kill_on_drop: false }`
[INFO] [stdout] bc76ca18bf1323c1102f06a67150789c9d015f642f2b8cb8a9b52b11d572c445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ece3a2391f5647fc4e2a1f408e6a01b0b0adb65fb7e79b9b8733d919b61c3ad
[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" "5ece3a2391f5647fc4e2a1f408e6a01b0b0adb65fb7e79b9b8733d919b61c3ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-2.2.2/src/lib.rs:150:14
[INFO] [stdout]     |
[INFO] [stdout] 150 |     unsafe { asm!("" : "=r"(input) : "0"(input) ) }
[INFO] [stdout]     |              ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: replace with: `llvm_asm!`
[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 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr] error: could not compile `subtle`
[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" "5ece3a2391f5647fc4e2a1f408e6a01b0b0adb65fb7e79b9b8733d919b61c3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ece3a2391f5647fc4e2a1f408e6a01b0b0adb65fb7e79b9b8733d919b61c3ad", kill_on_drop: false }`
[INFO] [stdout] 5ece3a2391f5647fc4e2a1f408e6a01b0b0adb65fb7e79b9b8733d919b61c3ad