[INFO] cloning repository RustisLeague/rustis
[INFO] running `"git" "clone" "--bare" "git://github.com/RustisLeague/rustis.git" "work/cache/sources/gh/RustisLeague/rustis"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/RustisLeague/rustis'...
[INFO] running `"git" "clone" "work/cache/sources/gh/RustisLeague/rustis" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/RustisLeague/rustis"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/RustisLeague/rustis'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RustisLeague/rustis" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/RustisLeague/rustis"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/RustisLeague/rustis'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5440206c1ca7efe191c8b7b5a162f0fa41c4cbcf
[INFO] sha for GitHub repo RustisLeague/rustis: 5440206c1ca7efe191c8b7b5a162f0fa41c4cbcf
[INFO] validating manifest of RustisLeague/rustis 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 RustisLeague/rustis 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 RustisLeague/rustis
[INFO] finished frobbing RustisLeague/rustis
[INFO] frobbed toml for RustisLeague/rustis written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/RustisLeague/rustis/Cargo.toml
[INFO] started frobbing RustisLeague/rustis
[INFO] finished frobbing RustisLeague/rustis
[INFO] frobbed toml for RustisLeague/rustis written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/RustisLeague/rustis/Cargo.toml
[INFO] crate RustisLeague/rustis 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking RustisLeague/rustis against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/RustisLeague/rustis:/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] 1e674ebbd5295cd3a7be75ee010885ecdc5dbd2f3490a1595769dd9006b59acf
[INFO] running `"docker" "start" "-a" "1e674ebbd5295cd3a7be75ee010885ecdc5dbd2f3490a1595769dd9006b59acf"`
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking mio v0.6.9
[INFO] [stderr]     Checking nom v3.1.0
[INFO] [stderr]     Checking rustis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `IResult`
[INFO] [stderr]  --> src/rustis/parse.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nom::{IResult, digit};
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/rustis/db.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     Some(x) => {
[INFO] [stderr]    |                          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rustis/server.rs:74:29
[INFO] [stderr]    |
[INFO] [stderr] 74 |                         let mut hup = event.readiness().contains(UnixReady::hup());
[INFO] [stderr]    |                             ----^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/rustis/db.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 |                     Some(x) => {
[INFO] [stderr]    |                          ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `exp`
[INFO] [stderr]   --> src/rustis/db.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     exp:BinaryHeap<ExpireTime>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rustis/server.rs:79:29
[INFO] [stderr]    |
[INFO] [stderr] 79 |                             stream.read_to_string(buf);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rustis/server.rs:74:29
[INFO] [stderr]    |
[INFO] [stderr] 74 |                         let mut hup = event.readiness().contains(UnixReady::hup());
[INFO] [stderr]    |                             ----^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `exp`
[INFO] [stderr]   --> src/rustis/db.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     exp:BinaryHeap<ExpireTime>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rustis/server.rs:79:29
[INFO] [stderr]    |
[INFO] [stderr] 79 |                             stream.read_to_string(buf);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `"docker" "inspect" "1e674ebbd5295cd3a7be75ee010885ecdc5dbd2f3490a1595769dd9006b59acf"`
[INFO] running `"docker" "rm" "-f" "1e674ebbd5295cd3a7be75ee010885ecdc5dbd2f3490a1595769dd9006b59acf"`
[INFO] [stdout] 1e674ebbd5295cd3a7be75ee010885ecdc5dbd2f3490a1595769dd9006b59acf