[INFO] fetching crate tari_comms_middleware 0.0.7...
[INFO] documenting tari_comms_middleware-0.0.7 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate tari_comms_middleware 0.0.7 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tari_comms_middleware 0.0.7 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tari_comms_middleware 0.0.7
[INFO] finished tweaking crates.io crate tari_comms_middleware 0.0.7
[INFO] tweaked toml for crates.io crate tari_comms_middleware 0.0.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-util v0.3.1
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded tower-timeout v0.3.0
[INFO] [stderr]   Downloaded tower-retry v0.3.0
[INFO] [stderr]   Downloaded chacha20-poly1305-aead v0.1.2
[INFO] [stderr]   Downloaded config v0.9.3
[INFO] [stderr]   Downloaded tower v0.3.1
[INFO] [stderr]   Downloaded tower-load-shed v0.3.0
[INFO] [stderr]   Downloaded tower-load v0.3.0
[INFO] [stderr]   Downloaded parity-multihash v0.2.3
[INFO] [stderr]   Downloaded tower-discover v0.3.0
[INFO] [stderr]   Downloaded newtype-ops v0.1.4
[INFO] [stderr]   Downloaded unsigned-varint v0.3.3
[INFO] [stderr]   Downloaded cidr v0.1.1
[INFO] [stderr]   Downloaded blake2 v0.8.1
[INFO] [stderr]   Downloaded tower-limit v0.3.1
[INFO] [stderr]   Downloaded tari_comms v0.0.10
[INFO] [stderr]   Downloaded snow v0.6.2
[INFO] [stderr]   Downloaded yamux v0.4.9
[INFO] [stderr]   Downloaded bitstring v0.1.2
[INFO] [stderr]   Downloaded parity-multiaddr v0.7.3
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded tower-buffer v0.3.0
[INFO] [stderr]   Downloaded serde-hjson v0.8.2
[INFO] [stderr]   Downloaded tari_pubsub v0.0.7
[INFO] [stderr]   Downloaded bulletproofs v2.0.0
[INFO] [stderr]   Downloaded tari_utilities v0.0.7
[INFO] [stderr]   Downloaded tari_common v0.0.10
[INFO] [stderr]   Downloaded tari_utilities v0.1.2
[INFO] [stderr]   Downloaded tari_test_utils v0.0.10
[INFO] [stderr]   Downloaded tari_broadcast_channel v0.0.7
[INFO] [stderr]   Downloaded tari_shutdown v0.0.10
[INFO] [stderr]   Downloaded tari_storage v0.0.10
[INFO] [stderr]   Downloaded tari_crypto v0.0.9
[INFO] [stderr]   Downloaded tari_crypto v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4300b3a985a2dea833d0c334b90c71fb3b131bdb9f0ad57e5a2a6f0678b402c5
[INFO] running `Command { std: "docker" "start" "-a" "4300b3a985a2dea833d0c334b90c71fb3b131bdb9f0ad57e5a2a6f0678b402c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4300b3a985a2dea833d0c334b90c71fb3b131bdb9f0ad57e5a2a6f0678b402c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4300b3a985a2dea833d0c334b90c71fb3b131bdb9f0ad57e5a2a6f0678b402c5", kill_on_drop: false }`
[INFO] [stdout] 4300b3a985a2dea833d0c334b90c71fb3b131bdb9f0ad57e5a2a6f0678b402c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c64519da6365d0a6f4d6d60f7e478fca4b712fac6199abef023b2ba5e845c1
[INFO] running `Command { std: "docker" "start" "-a" "36c64519da6365d0a6f4d6d60f7e478fca4b712fac6199abef023b2ba5e845c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling packed_simd_2 v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/clear_on_drop-0.2.5/src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(min_specialization))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clear_on_drop` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "36c64519da6365d0a6f4d6d60f7e478fca4b712fac6199abef023b2ba5e845c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c64519da6365d0a6f4d6d60f7e478fca4b712fac6199abef023b2ba5e845c1", kill_on_drop: false }`
[INFO] [stdout] 36c64519da6365d0a6f4d6d60f7e478fca4b712fac6199abef023b2ba5e845c1
