[INFO] fetching crate tremor-language-server 0.7.4...
[INFO] checking tremor-language-server-0.7.4 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate tremor-language-server 0.7.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tremor-language-server 0.7.4 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tremor-language-server 0.7.4
[INFO] finished tweaking crates.io crate tremor-language-server 0.7.4
[INFO] tweaked toml for crates.io crate tremor-language-server 0.7.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tremor-language-server 0.7.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tremor-script v0.7.7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb4009ef84e0bde08cec795fe107061d3733ce3e4e9fc62d1f92dcf3a453cde7
[INFO] running `"docker" "start" "-a" "bb4009ef84e0bde08cec795fe107061d3733ce3e4e9fc62d1f92dcf3a453cde7"`
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling debug-helper v0.3.8
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.1
[INFO] [stderr]    Compiling distance v0.4.0
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling hashbrown v0.7.1
[INFO] [stderr]    Compiling grok v1.1.0
[INFO] [stderr]    Compiling codespan v0.8.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling async-trait v0.1.27
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling cidr-utils v0.4.0
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]    Compiling ahash v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking lexical v5.2.0
[INFO] [stderr]    Compiling jumphash v0.1.6
[INFO] [stderr]     Checking dashmap v3.9.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]     Checking hdrhistogram v7.0.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking halfbrown v0.1.11
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking jsonrpc-core v14.0.5
[INFO] [stderr]     Checking lsp-types v0.73.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]     Checking value-trait v0.1.3
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling jsonrpc-derive v14.0.5
[INFO] [stderr]     Checking simd-json v0.3.3
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]     Checking tremor-influx v0.1.0
[INFO] [stderr]     Checking tremor-kv v0.1.2
[INFO] [stderr]     Checking dissect v0.1.2
[INFO] [stderr]    Compiling rental v0.5.5
[INFO] [stderr]    Compiling onig_sys v69.2.0
[INFO] [stderr]     Checking tower-lsp v0.10.0
[INFO] [stderr]    Compiling onig v5.0.0
[INFO] [stderr]    Compiling tremor-script v0.7.7
[INFO] [stderr]    Compiling tremor-language-server v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> build.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             buffered_reader.read_to_string(&mut module_doc_contents);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/backend.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     write!(output, "{}", content);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/backend.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     write!(output, "{}", content);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 29s
[INFO] running `"docker" "inspect" "bb4009ef84e0bde08cec795fe107061d3733ce3e4e9fc62d1f92dcf3a453cde7"`
[INFO] running `"docker" "rm" "-f" "bb4009ef84e0bde08cec795fe107061d3733ce3e4e9fc62d1f92dcf3a453cde7"`
[INFO] [stdout] bb4009ef84e0bde08cec795fe107061d3733ce3e4e9fc62d1f92dcf3a453cde7