[INFO] updating cached repository AntonZelenin/rust-kvs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AntonZelenin/rust-kvs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AntonZelenin/rust-kvs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/AntonZelenin/rust-kvs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/AntonZelenin/rust-kvs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AntonZelenin/rust-kvs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/AntonZelenin/rust-kvs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/AntonZelenin/rust-kvs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c421901c1c652a7660a080dd8f674fcc832314a
[INFO] sha for GitHub repo AntonZelenin/rust-kvs: 0c421901c1c652a7660a080dd8f674fcc832314a
[INFO] validating manifest of AntonZelenin/rust-kvs on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AntonZelenin/rust-kvs on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AntonZelenin/rust-kvs
[INFO] finished frobbing AntonZelenin/rust-kvs
[INFO] frobbed toml for AntonZelenin/rust-kvs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/AntonZelenin/rust-kvs/Cargo.toml
[INFO] started frobbing AntonZelenin/rust-kvs
[INFO] finished frobbing AntonZelenin/rust-kvs
[INFO] frobbed toml for AntonZelenin/rust-kvs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/AntonZelenin/rust-kvs/Cargo.toml
[INFO] crate AntonZelenin/rust-kvs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking AntonZelenin/rust-kvs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/AntonZelenin/rust-kvs:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21cee80752755617f3d260cad350c7915e011798c1ee95ebf5d672f254a8d97f
[INFO] running `"docker" "start" "-a" "21cee80752755617f3d260cad350c7915e011798c1ee95ebf5d672f254a8d97f"`
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking kvs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]  --> src/bin/kvs.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let key = matches.value_of("KEY").unwrap();
[INFO] [stderr]   |             ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/bin/kvs.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let value = matches.value_of("VALUE").unwrap();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let key = matches.value_of("KEY").unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let key = matches.value_of("KEY").unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]  --> src/bin/kvs.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let key = matches.value_of("KEY").unwrap();
[INFO] [stderr]   |             ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/bin/kvs.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let value = matches.value_of("VALUE").unwrap();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let key = matches.value_of("KEY").unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/kvs.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let key = matches.value_of("KEY").unwrap();
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.30s
[INFO] running `"docker" "inspect" "21cee80752755617f3d260cad350c7915e011798c1ee95ebf5d672f254a8d97f"`
[INFO] running `"docker" "rm" "-f" "21cee80752755617f3d260cad350c7915e011798c1ee95ebf5d672f254a8d97f"`
[INFO] [stdout] 21cee80752755617f3d260cad350c7915e011798c1ee95ebf5d672f254a8d97f