[INFO] cloning repository https://github.com/fek247/redis-beginner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fek247/redis-beginner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffek247%2Fredis-beginner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffek247%2Fredis-beginner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e43ab7a5914447476f39f9f9d1dd529f56a0a89
[INFO] checking fek247/redis-beginner against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffek247%2Fredis-beginner" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fek247/redis-beginner
[INFO] finished tweaking git repo https://github.com/fek247/redis-beginner
[INFO] tweaked toml for git repo https://github.com/fek247/redis-beginner written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fek247/redis-beginner on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fek247/redis-beginner 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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 syn v2.0.69
[INFO] [stderr]   Downloaded tokio v1.38.0
[INFO] [stderr]   Downloaded cc v1.0.105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e96b8cd693a08e03ab597775de083c0fcb5f4df776d6fcca3985a26b118d0295
[INFO] running `Command { std: "docker" "start" "-a" "e96b8cd693a08e03ab597775de083c0fcb5f4df776d6fcca3985a26b118d0295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e96b8cd693a08e03ab597775de083c0fcb5f4df776d6fcca3985a26b118d0295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96b8cd693a08e03ab597775de083c0fcb5f4df776d6fcca3985a26b118d0295", kill_on_drop: false }`
[INFO] [stdout] e96b8cd693a08e03ab597775de083c0fcb5f4df776d6fcca3985a26b118d0295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2385e01ff389c93260c7439e8e9812ae48d4164e34787e6e058ce2dc231c719
[INFO] running `Command { std: "docker" "start" "-a" "c2385e01ff389c93260c7439e8e9812ae48d4164e34787e6e058ce2dc231c719", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling thiserror v1.0.61
[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]    Compiling quote v1.0.36
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking codecrafters-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:386:41
[INFO] [stdout]     |
[INFO] [stdout] 386 | ...                   Err(e) => "-ERR WRONGTYPE Operation against a key holding the wrong kind of value\r\n".to_string(),
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:386:41
[INFO] [stdout]     |
[INFO] [stdout] 386 | ...                   Err(e) => "-ERR WRONGTYPE Operation against a key holding the wrong kind of value\r\n".to_string(),
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:562:29
[INFO] [stdout]     |
[INFO] [stdout] 562 |                         Err(e) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:603:33
[INFO] [stdout]     |
[INFO] [stdout] 603 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:562:29
[INFO] [stdout]     |
[INFO] [stdout] 562 |                         Err(e) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:603:33
[INFO] [stdout]     |
[INFO] [stdout] 603 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:615:33
[INFO] [stdout]     |
[INFO] [stdout] 615 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:631:29
[INFO] [stdout]     |
[INFO] [stdout] 631 |                         Err(e) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:615:33
[INFO] [stdout]     |
[INFO] [stdout] 615 | ...                   Err(e) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xrange_opt`
[INFO] [stdout]    --> src/main.rs:725:50
[INFO] [stdout]     |
[INFO] [stdout] 725 |                     if let CommandOption::XRange(xrange_opt) = opt {
[INFO] [stdout]     |                                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_xrange_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:631:29
[INFO] [stdout]     |
[INFO] [stdout] 631 |                         Err(e) => {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xrange_opt`
[INFO] [stdout]    --> src/main.rs:725:50
[INFO] [stdout]     |
[INFO] [stdout] 725 |                     if let CommandOption::XRange(xrange_opt) = opt {
[INFO] [stdout]     |                                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_xrange_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pub_sub` is never read
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct DB {
[INFO] [stdout]    |        -- field in this struct
[INFO] [stdout] 34 |     entries: HashMap<String, Entry>,
[INFO] [stdout] 35 |     pub_sub: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key` is never read
[INFO] [stdout]    --> src/main.rs:872:5
[INFO] [stdout]     |
[INFO] [stdout] 871 | struct XAddPair {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 872 |     key: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `XAddPair` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]    --> src/main.rs:878:5
[INFO] [stdout]     |
[INFO] [stdout] 877 | struct XRangeOption {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 878 |     start: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 879 |     end: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `XRangeOption` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pub_sub` is never read
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct DB {
[INFO] [stdout]    |        -- field in this struct
[INFO] [stdout] 34 |     entries: HashMap<String, Entry>,
[INFO] [stdout] 35 |     pub_sub: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key` is never read
[INFO] [stdout]    --> src/main.rs:872:5
[INFO] [stdout]     |
[INFO] [stdout] 871 | struct XAddPair {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] 872 |     key: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `XAddPair` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]    --> src/main.rs:878:5
[INFO] [stdout]     |
[INFO] [stdout] 877 | struct XRangeOption {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 878 |     start: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 879 |     end: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `XRangeOption` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pairs` is never read
[INFO] [stdout]    --> src/main.rs:885:5
[INFO] [stdout]     |
[INFO] [stdout] 883 | struct StreamEntryValue {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 884 |     id: String,
[INFO] [stdout] 885 |     pairs: Vec<XAddPair>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StreamEntryValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Map` and `Set` are never constructed
[INFO] [stdout]    --> src/main.rs:898:5
[INFO] [stdout]     |
[INFO] [stdout] 895 | enum EntryValue {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 898 |     Map(HashMap<String, String>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 899 |     Set(Vec<String>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EntryValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pairs` is never read
[INFO] [stdout]    --> src/main.rs:885:5
[INFO] [stdout]     |
[INFO] [stdout] 883 | struct StreamEntryValue {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 884 |     id: String,
[INFO] [stdout] 885 |     pairs: Vec<XAddPair>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StreamEntryValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Map` and `Set` are never constructed
[INFO] [stdout]    --> src/main.rs:898:5
[INFO] [stdout]     |
[INFO] [stdout] 895 | enum EntryValue {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 898 |     Map(HashMap<String, String>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 899 |     Set(Vec<String>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EntryValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "c2385e01ff389c93260c7439e8e9812ae48d4164e34787e6e058ce2dc231c719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2385e01ff389c93260c7439e8e9812ae48d4164e34787e6e058ce2dc231c719", kill_on_drop: false }`
[INFO] [stdout] c2385e01ff389c93260c7439e8e9812ae48d4164e34787e6e058ce2dc231c719
