[INFO] fetching crate irona 0.1.1...
[INFO] checking irona-0.1.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate irona 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate irona 0.1.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[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-4/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.1.0
[INFO] [stderr]   Downloaded backtrace v0.3.44
[INFO] [stderr]   Downloaded mio-uds v0.6.7
[INFO] [stderr]   Downloaded hyper v0.12.35
[INFO] [stderr]   Downloaded route-recognizer v0.1.13
[INFO] [stderr]   Downloaded futures v0.3.4
[INFO] [stderr]   Downloaded futures-macro v0.3.4
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]   Downloaded http-service v0.4.0
[INFO] [stderr]   Downloaded sha2 v0.8.1
[INFO] [stderr]   Downloaded futures-executor v0.3.4
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded broadcaster v1.0.0
[INFO] [stderr]   Downloaded clear_on_drop v0.2.3
[INFO] [stderr]   Downloaded half v1.4.1
[INFO] [stderr]   Downloaded curve25519-dalek v2.0.0
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded subtle v2.2.2
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded async-std v1.5.0
[INFO] [stderr]   Downloaded hex v0.4.2
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded lock_api v0.3.3
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded data-encoding v2.2.0
[INFO] [stderr]   Downloaded packed_simd v0.3.3
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded parking_lot_core v0.7.0
[INFO] [stderr]   Downloaded parking_lot v0.10.0
[INFO] [stderr]   Downloaded http-service-hyper v0.4.1
[INFO] [stderr]   Downloaded serde_qs v0.5.2
[INFO] [stderr]   Downloaded tide v0.6.0
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b685a6ba32de68c9ae3f8fc0749a0f263d35ea3f0492d85c5df9ae71e42a3406
[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" "b685a6ba32de68c9ae3f8fc0749a0f263d35ea3f0492d85c5df9ae71e42a3406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b685a6ba32de68c9ae3f8fc0749a0f263d35ea3f0492d85c5df9ae71e42a3406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b685a6ba32de68c9ae3f8fc0749a0f263d35ea3f0492d85c5df9ae71e42a3406", kill_on_drop: false }`
[INFO] [stdout] b685a6ba32de68c9ae3f8fc0749a0f263d35ea3f0492d85c5df9ae71e42a3406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c2bcf9e9f000f33df264a83bc58b3c6df3e34dc2e63a65020fc68e659cc9dd8
[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" "3c2bcf9e9f000f33df264a83bc58b3c6df3e34dc2e63a65020fc68e659cc9dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[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 unicode-xid v0.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-2.2.2/src/lib.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![cfg_attr(feature = "nightly", feature(external_doc))]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking zeroize v1.1.0
[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] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking half v1.4.1
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `subtle` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c2bcf9e9f000f33df264a83bc58b3c6df3e34dc2e63a65020fc68e659cc9dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2bcf9e9f000f33df264a83bc58b3c6df3e34dc2e63a65020fc68e659cc9dd8", kill_on_drop: false }`
[INFO] [stdout] 3c2bcf9e9f000f33df264a83bc58b3c6df3e34dc2e63a65020fc68e659cc9dd8