[INFO] fetching crate tower-lsp 0.20.0...
[INFO] checking tower-lsp-0.20.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate tower-lsp 0.20.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate tower-lsp 0.20.0
[INFO] finished tweaking crates.io crate tower-lsp 0.20.0
[INFO] tweaked toml for crates.io crate tower-lsp 0.20.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-lsp 0.20.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tower-lsp 0.20.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bdbedebfedb5be9d401906216e6b97bb7846b67f04953e613c2f859a7507b85
[INFO] running `Command { std: "docker" "start" "-a" "9bdbedebfedb5be9d401906216e6b97bb7846b67f04953e613c2f859a7507b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bdbedebfedb5be9d401906216e6b97bb7846b67f04953e613c2f859a7507b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdbedebfedb5be9d401906216e6b97bb7846b67f04953e613c2f859a7507b85", kill_on_drop: false }`
[INFO] [stdout] 9bdbedebfedb5be9d401906216e6b97bb7846b67f04953e613c2f859a7507b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9cbeb6caf1dcab4081fd93b51d98cc7fd06962c843fe0b2ec07ea8381fa3632
[INFO] running `Command { std: "docker" "start" "-a" "d9cbeb6caf1dcab4081fd93b51d98cc7fd06962c843fe0b2ec07ea8381fa3632", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.61
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling pharos v0.5.3
[INFO] [stderr]    Compiling async_io_stream v0.3.3
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.10.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]    Compiling tower-lsp-macros v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling serde_repr v0.1.10
[INFO] [stderr]    Compiling auto_impl v1.0.1
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking tungstenite v0.19.0
[INFO] [stderr]     Checking lsp-types v0.94.1
[INFO] [stderr]     Checking async-tungstenite v0.22.2
[INFO] [stderr]     Checking tower-lsp v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/service/client/pending.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |         struct Waiters(usize);
[INFO] [stdout]    |                ------- ^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Waiters` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/service/client/pending.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |         struct Waiters(usize);
[INFO] [stdout]    |                ------- ^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Waiters` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.23s
[INFO] running `Command { std: "docker" "inspect" "d9cbeb6caf1dcab4081fd93b51d98cc7fd06962c843fe0b2ec07ea8381fa3632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cbeb6caf1dcab4081fd93b51d98cc7fd06962c843fe0b2ec07ea8381fa3632", kill_on_drop: false }`
[INFO] [stdout] d9cbeb6caf1dcab4081fd93b51d98cc7fd06962c843fe0b2ec07ea8381fa3632