[INFO] updating cached repository dmoonfire/minimal-rust-lsp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dmoonfire/minimal-rust-lsp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dmoonfire/minimal-rust-lsp" "work/ex/beta-1.38-1/sources/1.37.0/gh/dmoonfire/minimal-rust-lsp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dmoonfire/minimal-rust-lsp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dmoonfire/minimal-rust-lsp" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dmoonfire/minimal-rust-lsp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dmoonfire/minimal-rust-lsp on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dmoonfire/minimal-rust-lsp against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dmoonfire/minimal-rust-lsp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 48e6e03b3ce456b9d23317c60e1f96b703e4de7c76c190ba9a8180a1af962337
[INFO] running `"docker" "start" "-a" "48e6e03b3ce456b9d23317c60e1f96b703e4de7c76c190ba9a8180a1af962337"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling chrono v0.4.6
[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]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling simple_logger v1.2.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling lsp-types v0.57.1
[INFO] [stderr]    Compiling gen_lsp_server v0.2.0
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "48e6e03b3ce456b9d23317c60e1f96b703e4de7c76c190ba9a8180a1af962337"`
[INFO] running `"docker" "rm" "-f" "48e6e03b3ce456b9d23317c60e1f96b703e4de7c76c190ba9a8180a1af962337"`
[INFO] [stdout] 48e6e03b3ce456b9d23317c60e1f96b703e4de7c76c190ba9a8180a1af962337
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dmoonfire/minimal-rust-lsp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 45883b74571cb765a9a4975c6af63dce364f3bcb5ff1d8c82e8503b9cca5e5c6
[INFO] running `"docker" "start" "-a" "45883b74571cb765a9a4975c6af63dce364f3bcb5ff1d8c82e8503b9cca5e5c6"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "45883b74571cb765a9a4975c6af63dce364f3bcb5ff1d8c82e8503b9cca5e5c6"`
[INFO] running `"docker" "rm" "-f" "45883b74571cb765a9a4975c6af63dce364f3bcb5ff1d8c82e8503b9cca5e5c6"`
[INFO] [stdout] 45883b74571cb765a9a4975c6af63dce364f3bcb5ff1d8c82e8503b9cca5e5c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dmoonfire/minimal-rust-lsp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4e733e355dbb46d65acec52d16895d5c7b2c2997e69a31f7f807c5349c4ebd3c
[INFO] running `"docker" "start" "-a" "4e733e355dbb46d65acec52d16895d5c7b2c2997e69a31f7f807c5349c4ebd3c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lsp-e37559e6e558e50a
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4e733e355dbb46d65acec52d16895d5c7b2c2997e69a31f7f807c5349c4ebd3c"`
[INFO] running `"docker" "rm" "-f" "4e733e355dbb46d65acec52d16895d5c7b2c2997e69a31f7f807c5349c4ebd3c"`
[INFO] [stdout] 4e733e355dbb46d65acec52d16895d5c7b2c2997e69a31f7f807c5349c4ebd3c