[INFO] fetching crate serf-core 0.3.0...
[INFO] checking serf-core-0.3.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate serf-core 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate serf-core 0.3.0
[INFO] finished tweaking crates.io crate serf-core 0.3.0
[INFO] tweaked toml for crates.io crate serf-core 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serf-core 0.3.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serf-core 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] [stderr]   Downloaded derivit-core v0.1.5
[INFO] [stderr]   Downloaded viewit v0.1.5
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[INFO] [stderr]   Downloaded smallvec-wrapper v0.3.0
[INFO] [stderr]   Downloaded crossbeam-skiplist v0.1.3
[INFO] [stderr]   Downloaded const-varint v0.2.1
[INFO] [stderr]   Downloaded munge_macro v0.4.3
[INFO] [stderr]   Downloaded agnostic-lite v0.5.5
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[INFO] [stderr]   Downloaded zerocopy-derive v0.8.21
[INFO] [stderr]   Downloaded agnostic-net v0.2.2
[INFO] [stderr]   Downloaded memberlist-proto v0.1.0
[INFO] [stderr]   Downloaded zerocopy v0.8.21
[INFO] [stderr]   Downloaded agnostic v0.7.2
[INFO] [stderr]   Downloaded peekable v0.3.0
[INFO] [stderr]   Downloaded memberlist-core v0.6.0
[INFO] [stderr]   Downloaded cheap-clone v0.2.3
[INFO] [stderr]   Downloaded munge v0.4.3
[INFO] [stderr]   Downloaded agnostic-io v0.1.2
[INFO] [stderr]   Downloaded feature-extension-for-async-std v0.2.2
[INFO] [stderr]   Downloaded feature-extension-for-smol v0.2.2
[INFO] [stderr]   Downloaded bytecheck_derive v0.8.1
[INFO] [stderr]   Downloaded bytecheck v0.8.1
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64c7fb592bb4a1414acfd1743d4e7f5720d2341a870af8226ba94dbc9e90fcb7
[INFO] running `Command { std: "docker" "start" "-a" "64c7fb592bb4a1414acfd1743d4e7f5720d2341a870af8226ba94dbc9e90fcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64c7fb592bb4a1414acfd1743d4e7f5720d2341a870af8226ba94dbc9e90fcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c7fb592bb4a1414acfd1743d4e7f5720d2341a870af8226ba94dbc9e90fcb7", kill_on_drop: false }`
[INFO] [stdout] 64c7fb592bb4a1414acfd1743d4e7f5720d2341a870af8226ba94dbc9e90fcb7
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c2339558a79553adb05beec093c2e7b77d1b1568bea8ffef7a2c5ec8a000818
[INFO] running `Command { std: "docker" "start" "-a" "0c2339558a79553adb05beec093c2e7b77d1b1568bea8ffef7a2c5ec8a000818", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
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[INFO] [stderr]     Checking getrandom v0.2.15
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[INFO] [stderr]    Compiling memberlist-core v0.6.0
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[INFO] [stderr]    Compiling darling_core v0.14.4
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[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling derive_utils v0.15.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
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[INFO] [stderr]    Compiling yoke-derive v0.7.5
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[INFO] [stderr]    Compiling futures-macro v0.3.31
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[INFO] [stderr]    Compiling serde_derive v1.0.218
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[INFO] [stderr]    Compiling tokio-macros v2.5.0
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[INFO] [stderr]    Compiling thiserror-impl v2.0.12
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[INFO] [stderr]    Compiling darling v0.14.4
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[INFO] [stderr]    Compiling viewit v0.1.5
[INFO] [stderr]    Compiling auto_enums v0.8.7
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[INFO] [stderr]     Checking rand_chacha v0.9.0
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[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
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[INFO] [stderr]     Checking agnostic-io v0.1.2
[INFO] [stderr]     Checking futures-executor v0.3.31
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[INFO] [stderr]     Checking icu_locid_transform v1.5.0
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[INFO] [stderr]     Checking icu_properties v1.5.1
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[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking agnostic-lite v0.5.5
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[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking agnostic v0.7.2
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[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking nodecraft v0.7.10
[INFO] [stderr]     Checking serf-core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/types/version.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 |   use super::*;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_message_dropper` is never used
[INFO] [stdout]   --> src/serf/base.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 40 | / impl<T, D> Serf<T, D>
[INFO] [stdout] 41 | | where
[INFO] [stdout] 42 | |   D: Delegate<Id = T::Id, Address = T::ResolvedAddress>,
[INFO] [stdout] 43 | |   T: Transport,
[INFO] [stdout]    | |_______________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub(crate) async fn with_message_dropper(
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.37s
[INFO] running `Command { std: "docker" "inspect" "0c2339558a79553adb05beec093c2e7b77d1b1568bea8ffef7a2c5ec8a000818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2339558a79553adb05beec093c2e7b77d1b1568bea8ffef7a2c5ec8a000818", kill_on_drop: false }`
[INFO] [stdout] 0c2339558a79553adb05beec093c2e7b77d1b1568bea8ffef7a2c5ec8a000818