[INFO] cloning repository https://github.com/AmineDiro/reddit-puzzle-system-design
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmineDiro/reddit-puzzle-system-design" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmineDiro%2Freddit-puzzle-system-design", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmineDiro%2Freddit-puzzle-system-design'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53739e91aa06aee59927c54d5322d787c42ac6bd
[INFO] checking AmineDiro/reddit-puzzle-system-design against master#0028f344ce9f64766259577c998a1959ca1f6a0b for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmineDiro%2Freddit-puzzle-system-design" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AmineDiro/reddit-puzzle-system-design
[INFO] finished tweaking git repo https://github.com/AmineDiro/reddit-puzzle-system-design
[INFO] tweaked toml for git repo https://github.com/AmineDiro/reddit-puzzle-system-design written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AmineDiro/reddit-puzzle-system-design on toolchain 0028f344ce9f64766259577c998a1959ca1f6a0b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AmineDiro/reddit-puzzle-system-design 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" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core_affinity v0.8.3
[INFO] [stderr]   Downloaded octets v0.3.4
[INFO] [stderr]   Downloaded intrusive-collections v0.9.7
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[INFO] [stderr]   Downloaded web-sys v0.3.88
[INFO] [stderr]   Downloaded quiche v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1719bfb1e15354651470107986966fa1b6797099e073fb78dd4dafc2210fca25
[INFO] running `Command { std: "docker" "start" "-a" "1719bfb1e15354651470107986966fa1b6797099e073fb78dd4dafc2210fca25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1719bfb1e15354651470107986966fa1b6797099e073fb78dd4dafc2210fca25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1719bfb1e15354651470107986966fa1b6797099e073fb78dd4dafc2210fca25", kill_on_drop: false }`
[INFO] [stdout] 1719bfb1e15354651470107986966fa1b6797099e073fb78dd4dafc2210fca25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81734f906fdc07dcc36a752c63674bf106ef92c5b67cb50fbd8f5bdcbda899b3
[INFO] running `Command { std: "docker" "start" "-a" "81734f906fdc07dcc36a752c63674bf106ef92c5b67cb50fbd8f5bdcbda899b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling io-uring v0.7.11
[INFO] [stderr]     Checking ring v0.17.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking clap_lex v1.0.0
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]     Checking intrusive-collections v0.9.7
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking octets v0.3.4
[INFO] [stderr]    Compiling quiche v0.25.0
[INFO] [stderr]     Checking clap_builder v4.5.60
[INFO] [stderr]     Checking core_affinity v0.8.3
[INFO] [stderr]     Checking pem v3.0.6
[INFO] [stderr]     Checking quinn-udp v0.4.1
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking rcgen v0.13.2
[INFO] [stderr]     Checking clap v4.5.60
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking quinn-proto v0.10.6
[INFO] [stderr]     Checking quinn v0.10.2
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> client/src/main.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Err(e) => {
[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]   --> client/src/main.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         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]    --> client/src/main.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> client/src/metrics.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct LoadMetrics {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 25 |     pub id: 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: unused variable: `e`
[INFO] [stdout]   --> client/src/main.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Err(e) => {
[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]   --> client/src/main.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         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]    --> client/src/main.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> client/src/metrics.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct LoadMetrics {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 25 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] warning: unused import: `AtomicUsize`
[INFO] [stdout]  --> server/src/master.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicUsize`
[INFO] [stdout]  --> server/src/master.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.56s
[INFO] running `Command { std: "docker" "inspect" "81734f906fdc07dcc36a752c63674bf106ef92c5b67cb50fbd8f5bdcbda899b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81734f906fdc07dcc36a752c63674bf106ef92c5b67cb50fbd8f5bdcbda899b3", kill_on_drop: false }`
[INFO] [stdout] 81734f906fdc07dcc36a752c63674bf106ef92c5b67cb50fbd8f5bdcbda899b3