[INFO] cloning repository https://github.com/SaathwikDasari/mini-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaathwikDasari/mini-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaathwikDasari%2Fmini-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaathwikDasari%2Fmini-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b7bf989ab4e9f2bc6e25059fa1315eb2d0b142d
[INFO] checking SaathwikDasari/mini-redis against try#b152f5575a2ac7126ae0019e4e679abe9399213e for pr-157841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaathwikDasari%2Fmini-redis" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SaathwikDasari/mini-redis
[INFO] finished tweaking git repo https://github.com/SaathwikDasari/mini-redis
[INFO] tweaked toml for git repo https://github.com/SaathwikDasari/mini-redis written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SaathwikDasari/mini-redis on toolchain b152f5575a2ac7126ae0019e4e679abe9399213e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SaathwikDasari/mini-redis 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" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2fb4231f2fb071013d4b4b535ebecfb7688befd0884f8c70786fc7b45d7b76f9
[INFO] running `Command { std: "docker" "start" "2fb4231f2fb071013d4b4b535ebecfb7688befd0884f8c70786fc7b45d7b76f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2fb4231f2fb071013d4b4b535ebecfb7688befd0884f8c70786fc7b45d7b76f9" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fb4231f2fb071013d4b4b535ebecfb7688befd0884f8c70786fc7b45d7b76f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2fb4231f2fb071013d4b4b535ebecfb7688befd0884f8c70786fc7b45d7b76f9" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking mini_redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Integer` is never constructed
[INFO] [stdout]  --> src/frame.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Frame{
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Integer(u64),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Frame` has derived impls for the traits `Debug` and `Clone`, 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: variant `Integer` is never constructed
[INFO] [stdout]  --> src/frame.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Frame{
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Integer(u64),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Frame` has derived impls for the traits `Debug` and `Clone`, 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 10.15s
[INFO] running `Command { std: "docker" "inspect" "2fb4231f2fb071013d4b4b535ebecfb7688befd0884f8c70786fc7b45d7b76f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb4231f2fb071013d4b4b535ebecfb7688befd0884f8c70786fc7b45d7b76f9", kill_on_drop: false }`
[INFO] [stdout] 2fb4231f2fb071013d4b4b535ebecfb7688befd0884f8c70786fc7b45d7b76f9
