[INFO] fetching crate rnix-lsp 0.1.0...
[INFO] checking rnix-lsp-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate rnix-lsp 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rnix-lsp 0.1.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rnix-lsp 0.1.0
[INFO] finished tweaking crates.io crate rnix-lsp 0.1.0
[INFO] tweaked toml for crates.io crate rnix-lsp 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rnix-lsp 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77f834fd50e2a5d740b3339f8f14be480146e1dc0392d637abf8c9751479b8a4
[INFO] running `Command { std: "docker" "start" "-a" "77f834fd50e2a5d740b3339f8f14be480146e1dc0392d637abf8c9751479b8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f834fd50e2a5d740b3339f8f14be480146e1dc0392d637abf8c9751479b8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f834fd50e2a5d740b3339f8f14be480146e1dc0392d637abf8c9751479b8a4", kill_on_drop: false }`
[INFO] [stdout] 77f834fd50e2a5d740b3339f8f14be480146e1dc0392d637abf8c9751479b8a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18f62579e80a425423f343c053a9a6c84617cfe05f843d670ac0485a92686247
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "18f62579e80a425423f343c053a9a6c84617cfe05f843d670ac0485a92686247", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking smol_str v0.1.15
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking bstr v0.2.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking ignore v0.4.11
[INFO] [stderr]     Checking cbitset v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking text_unit v0.1.9
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rowan v0.6.3
[INFO] [stderr]     Checking rnix v0.7.2
[INFO] [stderr]     Checking lsp-server v0.3.1
[INFO] [stderr]     Checking lsp-types v0.68.1
[INFO] [stderr]     Checking nixpkgs-fmt v0.6.1
[INFO] [stderr]     Checking rnix-lsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.40s
[INFO] running `Command { std: "docker" "inspect" "18f62579e80a425423f343c053a9a6c84617cfe05f843d670ac0485a92686247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f62579e80a425423f343c053a9a6c84617cfe05f843d670ac0485a92686247", kill_on_drop: false }`
[INFO] [stdout] 18f62579e80a425423f343c053a9a6c84617cfe05f843d670ac0485a92686247