[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, [INFO] [stdout] 35 | pub_sub: HashMap, [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, [INFO] [stdout] 35 | pub_sub: HashMap, [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, [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), [INFO] [stdout] | ^^^ [INFO] [stdout] 899 | Set(Vec), [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, [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), [INFO] [stdout] | ^^^ [INFO] [stdout] 899 | Set(Vec), [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