[INFO] fetching crate mun_language_server 0.4.0...
[INFO] checking mun_language_server-0.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mun_language_server 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mun_language_server 0.4.0 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] started tweaking crates.io crate mun_language_server 0.4.0
[INFO] finished tweaking crates.io crate mun_language_server 0.4.0
[INFO] tweaked toml for crates.io crate mun_language_server 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 134 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
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[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
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[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.42.2 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.6)
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[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded salsa-macros v0.16.0
[INFO] [stderr]   Downloaded ra_ap_text_edit v0.0.142
[INFO] [stderr]   Downloaded mun_target v0.4.0
[INFO] [stderr]   Downloaded mun_paths v0.4.0
[INFO] [stderr]   Downloaded mun_abi v0.4.0
[INFO] [stderr]   Downloaded mun_vfs v0.4.0
[INFO] [stderr]   Downloaded mun_syntax v0.4.0
[INFO] [stderr]   Downloaded lsp-server v0.6.0
[INFO] [stderr]   Downloaded mun_diagnostics v0.4.0
[INFO] [stderr]   Downloaded mun_project v0.4.0
[INFO] [stderr]   Downloaded lsp-types v0.93.2
[INFO] [stderr]   Downloaded mun_hir v0.4.0
[INFO] [stderr]   Downloaded extendhash v1.0.10
[INFO] [stderr]   Downloaded salsa v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d93e5253c28e3429629006b7b9dab48b32e64ba140828d543fd1c0721071c75d
[INFO] running `Command { std: "docker" "start" "-a" "d93e5253c28e3429629006b7b9dab48b32e64ba140828d543fd1c0721071c75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d93e5253c28e3429629006b7b9dab48b32e64ba140828d543fd1c0721071c75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93e5253c28e3429629006b7b9dab48b32e64ba140828d543fd1c0721071c75d", kill_on_drop: false }`
[INFO] [stdout] d93e5253c28e3429629006b7b9dab48b32e64ba140828d543fd1c0721071c75d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3a686386d2e3a7ae0bd977e178b30833bd33b37aefa703329ebb469e0e4fc245
[INFO] running `Command { std: "docker" "start" "-a" "3a686386d2e3a7ae0bd977e178b30833bd33b37aefa703329ebb469e0e4fc245", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
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[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]     Checking extendhash v1.0.10
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling mun_target v0.4.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking unicode-xid v0.2.5
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking ena v0.14.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking mun_paths v0.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking similar v2.6.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking insta v1.39.0
[INFO] [stderr]     Checking notify v5.2.0
[INFO] [stderr]     Checking mun_vfs v0.4.0
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[INFO] [stderr]     Checking salsa v0.16.1
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]     Checking smol_str v0.1.24
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.142
[INFO] [stderr]     Checking rowan v0.15.16
[INFO] [stderr]     Checking mun_syntax v0.4.0
[INFO] [stderr]     Checking lsp-types v0.93.2
[INFO] [stderr]     Checking lsp-server v0.6.0
[INFO] [stderr]     Checking mun_project v0.4.0
[INFO] [stderr]     Checking mun_hir v0.4.0
[INFO] [stderr]     Checking mun_diagnostics v0.4.0
[INFO] [stderr]     Checking mun_language_server v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `files` is never read
[INFO] [stdout]   --> src/change_fixture.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ChangeFixture {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 11 |     pub file_position: Option<(mun_hir::FileId, RangeOrOffset)>,
[INFO] [stdout] 12 |     pub files: Vec<mun_hir::FileId>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `Command { std: "docker" "inspect" "3a686386d2e3a7ae0bd977e178b30833bd33b37aefa703329ebb469e0e4fc245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a686386d2e3a7ae0bd977e178b30833bd33b37aefa703329ebb469e0e4fc245", kill_on_drop: false }`
[INFO] [stdout] 3a686386d2e3a7ae0bd977e178b30833bd33b37aefa703329ebb469e0e4fc245