[INFO] updating cached repository nharring/kv_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nharring/kv_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nharring/kv_server" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nharring/kv_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nharring/kv_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nharring/kv_server" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nharring/kv_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nharring/kv_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 994de072c08357a136bc7d70bee213cbe638f6b4
[INFO] sha for GitHub repo nharring/kv_server: 994de072c08357a136bc7d70bee213cbe638f6b4
[INFO] validating manifest of nharring/kv_server on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nharring/kv_server on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nharring/kv_server
[INFO] finished frobbing nharring/kv_server
[INFO] frobbed toml for nharring/kv_server written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/nharring/kv_server/Cargo.toml
[INFO] started frobbing nharring/kv_server
[INFO] finished frobbing nharring/kv_server
[INFO] frobbed toml for nharring/kv_server written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nharring/kv_server/Cargo.toml
[INFO] crate nharring/kv_server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nharring/kv_server against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/nharring/kv_server:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a435aedb8407b596488bd361e899e1295f104e329f21855aa4cafc2403950bb2
[INFO] running `"docker" "start" "-a" "a435aedb8407b596488bd361e899e1295f104e329f21855aa4cafc2403950bb2"`
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking integer-encoding v1.0.3
[INFO] [stderr]     Checking threadpool v1.4.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking thrift v0.0.4
[INFO] [stderr]     Checking clap v2.25.1
[INFO] [stderr]     Checking kv_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ServiceException`
[INFO] [stderr]   --> src/main.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 | use kv_server::{KeyNotFound, ServiceException};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ServiceException`
[INFO] [stderr]   --> src/main.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 | use kv_server::{KeyNotFound, ServiceException};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:228:3
[INFO] [stderr]     |
[INFO] [stderr] 228 |   pub fn new<F1, F2>(key: F1, value: F2) -> KVObject where F1: Into<Option<String>>, F2: Into<Option<String>> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `KVServerSyncClient`
[INFO] [stderr]    --> src/kv_server.rs:312:1
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub struct KVServerSyncClient<IP, OP> where IP: TInputProtocol, OP: TOutputProtocol {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:319:3
[INFO] [stderr]     |
[INFO] [stderr] 319 |   pub fn new(input_protocol: IP, output_protocol: OP) -> KVServerSyncClient<IP, OP> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:228:3
[INFO] [stderr]     |
[INFO] [stderr] 228 |   pub fn new<F1, F2>(key: F1, value: F2) -> KVObject where F1: Into<Option<String>>, F2: Into<Option<String>> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `KVServerSyncClient`
[INFO] [stderr]    --> src/kv_server.rs:312:1
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub struct KVServerSyncClient<IP, OP> where IP: TInputProtocol, OP: TOutputProtocol {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:319:3
[INFO] [stderr]     |
[INFO] [stderr] 319 |   pub fn new(input_protocol: IP, output_protocol: OP) -> KVServerSyncClient<IP, OP> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.77s
[INFO] running `"docker" "inspect" "a435aedb8407b596488bd361e899e1295f104e329f21855aa4cafc2403950bb2"`
[INFO] running `"docker" "rm" "-f" "a435aedb8407b596488bd361e899e1295f104e329f21855aa4cafc2403950bb2"`
[INFO] [stdout] a435aedb8407b596488bd361e899e1295f104e329f21855aa4cafc2403950bb2