[INFO] crate tremor-language-server 0.7.4 is already in cache
[INFO] checking tremor-language-server-0.7.4 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate tremor-language-server 0.7.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tremor-language-server 0.7.4 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-4/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" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 584509b9de10fd73ce2c849a284daa35b4a6a9142d0adc1cef1e6bdc0b16e136
[INFO] running `"docker" "start" "-a" "584509b9de10fd73ce2c849a284daa35b4a6a9142d0adc1cef1e6bdc0b16e136"`
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[INFO] [stderr]     Checking jsonrpc-core v14.0.5
[INFO] [stderr]    Compiling lalrpop v0.18.1
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[INFO] [stderr]     Checking tremor-influx v0.1.0
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[INFO] [stderr]     Checking tremor-kv v0.1.2
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[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: 1 warning emitted
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7m 20s
[INFO] running `"docker" "inspect" "584509b9de10fd73ce2c849a284daa35b4a6a9142d0adc1cef1e6bdc0b16e136"`
[INFO] running `"docker" "rm" "-f" "584509b9de10fd73ce2c849a284daa35b4a6a9142d0adc1cef1e6bdc0b16e136"`
[INFO] [stdout] 584509b9de10fd73ce2c849a284daa35b4a6a9142d0adc1cef1e6bdc0b16e136