[INFO] updating cached repository tudinfse/cds_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tudinfse/cds_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tudinfse/cds_server" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tudinfse/cds_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tudinfse/cds_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tudinfse/cds_server" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tudinfse/cds_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tudinfse/cds_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cfbb5c053b1b1ce0db746746cb0915bca9ab2b0b
[INFO] sha for GitHub repo tudinfse/cds_server: cfbb5c053b1b1ce0db746746cb0915bca9ab2b0b
[INFO] validating manifest of tudinfse/cds_server on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tudinfse/cds_server on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tudinfse/cds_server
[INFO] finished frobbing tudinfse/cds_server
[INFO] frobbed toml for tudinfse/cds_server written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tudinfse/cds_server/Cargo.toml
[INFO] started frobbing tudinfse/cds_server
[INFO] finished frobbing tudinfse/cds_server
[INFO] frobbed toml for tudinfse/cds_server written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tudinfse/cds_server/Cargo.toml
[INFO] crate tudinfse/cds_server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tudinfse/cds_server against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-6/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tudinfse/cds_server:/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=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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66f4b283e1a87fb17506886d545c687cd5a10876380d25b3bfb23102bc9af372
[INFO] running `"docker" "start" "-a" "66f4b283e1a87fb17506886d545c687cd5a10876380d25b3bfb23102bc9af372"`
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking cds_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Server`
[INFO] [stderr]   --> src/server.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct Server {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `HumanHelpHandler`
[INFO] [stderr]   --> src/server.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | struct HumanHelpHandler {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/server.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn new(config_path: &Path, port: u16) -> Result<Server> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run`
[INFO] [stderr]    --> src/server.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn run(self) -> Result<Arc<Server>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Server`
[INFO] [stderr]   --> src/server.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct Server {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `HumanHelpHandler`
[INFO] [stderr]   --> src/server.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | struct HumanHelpHandler {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/server.rs:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn new(config_path: &Path, port: u16) -> Result<Server> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `run`
[INFO] [stderr]    --> src/server.rs:282:5
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn run(self) -> Result<Arc<Server>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.64s
[INFO] running `"docker" "inspect" "66f4b283e1a87fb17506886d545c687cd5a10876380d25b3bfb23102bc9af372"`
[INFO] running `"docker" "rm" "-f" "66f4b283e1a87fb17506886d545c687cd5a10876380d25b3bfb23102bc9af372"`
[INFO] [stdout] 66f4b283e1a87fb17506886d545c687cd5a10876380d25b3bfb23102bc9af372