[INFO] cloning repository https://github.com/sswapnil2/redis-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sswapnil2/redis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsswapnil2%2Fredis-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsswapnil2%2Fredis-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 015a35b97415c1b3da0041493221d04afd19369b
[INFO] checking sswapnil2/redis-rust against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsswapnil2%2Fredis-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sswapnil2/redis-rust
[INFO] finished tweaking git repo https://github.com/sswapnil2/redis-rust
[INFO] tweaked toml for git repo https://github.com/sswapnil2/redis-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sswapnil2/redis-rust on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sswapnil2/redis-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v2.3.0
[INFO] [stderr]   Downloaded socket2 v0.5.7
[INFO] [stderr]   Downloaded redox_syscall v0.5.2
[INFO] [stderr]   Downloaded anyhow v1.0.86
[INFO] [stderr]   Downloaded cc v1.0.105
[INFO] [stderr]   Downloaded syn v2.0.69
[INFO] [stderr]   Downloaded object v0.36.1
[INFO] [stderr]   Downloaded tokio v1.38.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27915296ddba65a741971cc5a7d7070038cdcaa32e85ce5b43d42847ebe49687
[INFO] running `Command { std: "docker" "start" "-a" "27915296ddba65a741971cc5a7d7070038cdcaa32e85ce5b43d42847ebe49687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27915296ddba65a741971cc5a7d7070038cdcaa32e85ce5b43d42847ebe49687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27915296ddba65a741971cc5a7d7070038cdcaa32e85ce5b43d42847ebe49687", kill_on_drop: false }`
[INFO] [stdout] 27915296ddba65a741971cc5a7d7070038cdcaa32e85ce5b43d42847ebe49687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f91c078816a9f161e73b54d8cfa6178450b40353654ae5b36a389b343ec5af
[INFO] running `Command { std: "docker" "start" "-a" "08f91c078816a9f161e73b54d8cfa6178450b40353654ae5b36a389b343ec5af", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking redis-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut store = Arc::new(Mutex::new(Store::new()));
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Int` and `Float` are never constructed
[INFO] [stdout]  --> src/protocol/value.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Value {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 5 |     Int(i32),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     Float(f32),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Value` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut store = Arc::new(Mutex::new(Store::new()));
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Float` is never constructed
[INFO] [stdout]  --> src/protocol/value.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Value {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     Int(i32),
[INFO] [stdout] 6 |     Float(f32),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Value` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.73s
[INFO] running `Command { std: "docker" "inspect" "08f91c078816a9f161e73b54d8cfa6178450b40353654ae5b36a389b343ec5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f91c078816a9f161e73b54d8cfa6178450b40353654ae5b36a389b343ec5af", kill_on_drop: false }`
[INFO] [stdout] 08f91c078816a9f161e73b54d8cfa6178450b40353654ae5b36a389b343ec5af