[INFO] cloning repository dmoonfire/minimal-rust-lsp
[INFO] running `"git" "clone" "--bare" "git://github.com/dmoonfire/minimal-rust-lsp.git" "work/cache/sources/gh/dmoonfire/minimal-rust-lsp"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dmoonfire/minimal-rust-lsp'...
[INFO] running `"git" "clone" "work/cache/sources/gh/dmoonfire/minimal-rust-lsp" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dmoonfire/minimal-rust-lsp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dmoonfire/minimal-rust-lsp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dmoonfire/minimal-rust-lsp" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dmoonfire/minimal-rust-lsp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dmoonfire/minimal-rust-lsp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a971993f46204dbc895638efd819e3486aa8303
[INFO] sha for GitHub repo dmoonfire/minimal-rust-lsp: 9a971993f46204dbc895638efd819e3486aa8303
[INFO] validating manifest of dmoonfire/minimal-rust-lsp on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dmoonfire/minimal-rust-lsp on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dmoonfire/minimal-rust-lsp
[INFO] finished frobbing dmoonfire/minimal-rust-lsp
[INFO] frobbed toml for dmoonfire/minimal-rust-lsp written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dmoonfire/minimal-rust-lsp/Cargo.toml
[INFO] started frobbing dmoonfire/minimal-rust-lsp
[INFO] finished frobbing dmoonfire/minimal-rust-lsp
[INFO] frobbed toml for dmoonfire/minimal-rust-lsp written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dmoonfire/minimal-rust-lsp/Cargo.toml
[INFO] crate dmoonfire/minimal-rust-lsp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lsp-types v0.57.1
[INFO] [stderr]   Downloaded gen_lsp_server v0.2.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dmoonfire/minimal-rust-lsp against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dmoonfire/minimal-rust-lsp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 32ca796d9136b853e5d06fdecdc01b2bfdf3f22855ff5ea51430c444c1c8f5e2
[INFO] running `"docker" "start" "-a" "32ca796d9136b853e5d06fdecdc01b2bfdf3f22855ff5ea51430c444c1c8f5e2"`
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.40
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking lsp-types v0.57.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.2.0
[INFO] [stderr]     Checking gen_lsp_server v0.2.0
[INFO] [stderr]     Checking lsp v0.1.0 (/opt/crater/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 27.04s
[INFO] running `"docker" "inspect" "32ca796d9136b853e5d06fdecdc01b2bfdf3f22855ff5ea51430c444c1c8f5e2"`
[INFO] running `"docker" "rm" "-f" "32ca796d9136b853e5d06fdecdc01b2bfdf3f22855ff5ea51430c444c1c8f5e2"`
[INFO] [stdout] 32ca796d9136b853e5d06fdecdc01b2bfdf3f22855ff5ea51430c444c1c8f5e2