[INFO] fetching crate tower-lsp 0.20.0...
[INFO] checking tower-lsp-0.20.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate tower-lsp 0.20.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tower-lsp 0.20.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded tower-lsp-macros v0.9.0
[INFO] [stderr]   Downloaded futures-sink v0.3.25
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
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[INFO] [stderr]   Downloaded futures-util v0.3.25
[INFO] [stderr]   Downloaded futures v0.3.25
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[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded auto_impl v1.0.1
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded pin-project-internal v1.0.12
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded ws_stream_tungstenite v0.10.0
[INFO] [stderr]   Downloaded async_io_stream v0.3.3
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded futures-task v0.3.25
[INFO] [stderr]   Downloaded tokio v1.24.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c9cf2313951996c0531ed9a108b695a23aace4d05dcac0fad88fc1a1b309f2c
[INFO] running `Command { std: "docker" "start" "-a" "3c9cf2313951996c0531ed9a108b695a23aace4d05dcac0fad88fc1a1b309f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c9cf2313951996c0531ed9a108b695a23aace4d05dcac0fad88fc1a1b309f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9cf2313951996c0531ed9a108b695a23aace4d05dcac0fad88fc1a1b309f2c", kill_on_drop: false }`
[INFO] [stdout] 3c9cf2313951996c0531ed9a108b695a23aace4d05dcac0fad88fc1a1b309f2c
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452cb32ce64f83cd84312f883644571ac24fa39e11c8e52a386fd1588f7e05ff
[INFO] running `Command { std: "docker" "start" "-a" "452cb32ce64f83cd84312f883644571ac24fa39e11c8e52a386fd1588f7e05ff", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
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[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling version_check v0.9.4
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[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[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
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[INFO] [stderr]    Compiling typenum v1.16.0
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[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.38
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[INFO] [stderr]     Checking socket2 v0.4.7
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[INFO] [stderr]     Checking tower-layer v0.3.2
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[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tower-service v0.3.2
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[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]    Compiling tower-lsp-macros v0.9.0
[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 tracing v0.1.37
[INFO] [stderr]     Checking pin-project v1.0.12
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.55s
[INFO] running `Command { std: "docker" "inspect" "452cb32ce64f83cd84312f883644571ac24fa39e11c8e52a386fd1588f7e05ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452cb32ce64f83cd84312f883644571ac24fa39e11c8e52a386fd1588f7e05ff", kill_on_drop: false }`
[INFO] [stdout] 452cb32ce64f83cd84312f883644571ac24fa39e11c8e52a386fd1588f7e05ff