[INFO] cloning repository https://github.com/dmoonfire/minimal-rust-lsp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmoonfire/minimal-rust-lsp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmoonfire%2Fminimal-rust-lsp"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmoonfire%2Fminimal-rust-lsp'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a971993f46204dbc895638efd819e3486aa8303
[INFO] checking dmoonfire/minimal-rust-lsp against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmoonfire%2Fminimal-rust-lsp" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmoonfire/minimal-rust-lsp on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dmoonfire/minimal-rust-lsp
[INFO] finished tweaking git repo https://github.com/dmoonfire/minimal-rust-lsp
[INFO] tweaked toml for git repo https://github.com/dmoonfire/minimal-rust-lsp written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/dmoonfire/minimal-rust-lsp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 915f1013e273d92e525d92daf7a203c2fccbbe72176601db21a5a21c5c8f8eb6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "915f1013e273d92e525d92daf7a203c2fccbbe72176601db21a5a21c5c8f8eb6"`
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking lsp-types v0.57.1
[INFO] [stderr]     Checking gen_lsp_server v0.2.0
[INFO] [stderr]     Checking lsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `read_msg_text`
[INFO] [stderr]   --> src/msg.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / pub fn read_msg_text(
[INFO] [stderr] 5  | |     inp: &mut impl BufRead,
[INFO] [stderr] 6  | | ) -> std::result::Result<Option<String>, failure::Error> {
[INFO] [stderr] 7  | |     let mut size = None;
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     Ok(Some(buf))
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_msg_text`
[INFO] [stderr]   --> src/msg.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / pub fn read_msg_text(
[INFO] [stderr] 5  | |     inp: &mut impl BufRead,
[INFO] [stderr] 6  | | ) -> std::result::Result<Option<String>, failure::Error> {
[INFO] [stderr] 7  | |     let mut size = None;
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     Ok(Some(buf))
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "915f1013e273d92e525d92daf7a203c2fccbbe72176601db21a5a21c5c8f8eb6"`
[INFO] running `"docker" "rm" "-f" "915f1013e273d92e525d92daf7a203c2fccbbe72176601db21a5a21c5c8f8eb6"`
[INFO] [stdout] 915f1013e273d92e525d92daf7a203c2fccbbe72176601db21a5a21c5c8f8eb6