[INFO] fetching crate tari_comms 0.8.1...
[INFO] testing tari_comms-0.8.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tari_comms 0.8.1 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate tari_comms 0.8.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tari_comms 0.8.1
[INFO] finished tweaking crates.io crate tari_comms 0.8.1
[INFO] tweaked toml for crates.io crate tari_comms 0.8.1 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate crates.io crate tari_comms 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded serde_yaml v0.8.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36d04d5c1825854a5675547236d98ab187ee97ae490a3f85d7266ec084efafe7
[INFO] running `Command { std: "docker" "start" "-a" "36d04d5c1825854a5675547236d98ab187ee97ae490a3f85d7266ec084efafe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36d04d5c1825854a5675547236d98ab187ee97ae490a3f85d7266ec084efafe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d04d5c1825854a5675547236d98ab187ee97ae490a3f85d7266ec084efafe7", kill_on_drop: false }`
[INFO] [stdout] 36d04d5c1825854a5675547236d98ab187ee97ae490a3f85d7266ec084efafe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 846e8615d8d4aeaf223286fb9cf2d661986a2392620261624edd8dd880317194
[INFO] running `Command { std: "docker" "start" "-a" "846e8615d8d4aeaf223286fb9cf2d661986a2392620261624edd8dd880317194", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.123
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[INFO] [stderr]    Compiling cfg-if v1.0.0
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[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
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[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.2.2
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[INFO] [stderr]    Compiling c_linked_list v1.1.1
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[INFO] [stderr]    Compiling unicode-bidi v0.3.4
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.1
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[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling tinyvec v1.1.1
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[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/subtle-2.4.0/src/lib.rs:12:42
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![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]    Compiling unsafe-any v0.4.2
[INFO] [stderr] error: could not compile `subtle` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "846e8615d8d4aeaf223286fb9cf2d661986a2392620261624edd8dd880317194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846e8615d8d4aeaf223286fb9cf2d661986a2392620261624edd8dd880317194", kill_on_drop: false }`
[INFO] [stdout] 846e8615d8d4aeaf223286fb9cf2d661986a2392620261624edd8dd880317194