[INFO] cloning repository https://github.com/dessertivore/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dessertivore/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdessertivore%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdessertivore%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e002871681b34b043c6e6273f29931812f9a0a92
[INFO] checking dessertivore/learning-rust against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdessertivore%2Flearning-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dessertivore/learning-rust
[INFO] finished tweaking git repo https://github.com/dessertivore/learning-rust
[INFO] tweaked toml for git repo https://github.com/dessertivore/learning-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dessertivore/learning-rust on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dessertivore/learning-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b913b21e976f7f303cbe9fe8b0370cdba139697290dc1f093296c1475215ba8
[INFO] running `Command { std: "docker" "start" "-a" "6b913b21e976f7f303cbe9fe8b0370cdba139697290dc1f093296c1475215ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b913b21e976f7f303cbe9fe8b0370cdba139697290dc1f093296c1475215ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b913b21e976f7f303cbe9fe8b0370cdba139697290dc1f093296c1475215ba8", kill_on_drop: false }`
[INFO] [stdout] 6b913b21e976f7f303cbe9fe8b0370cdba139697290dc1f093296c1475215ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20aa1a66484e1d0ae8442b7af62ca4f87c55e86107c3a06ea882b96f6be514f0
[INFO] running `Command { std: "docker" "start" "-a" "20aa1a66484e1d0ae8442b7af62ca4f87c55e86107c3a06ea882b96f6be514f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking foldhash v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling cc v1.2.5
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking rustls-pki-types v1.10.1
[INFO] [stderr]     Checking ipnet v2.10.1
[INFO] [stderr]     Checking either v1.14.0
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking project-euler v0.1.0 (/opt/rustwide/workdir/project-euler)
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling pin-project-internal v1.1.7
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling axum-macros v0.4.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking pin-project v1.1.7
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking h2 v0.4.7
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking hyper v1.5.2
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking axum-server v0.7.1
[INFO] [stderr]     Checking axum v0.7.9
[INFO] [stderr]     Checking reqwest v0.12.9
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: struct `NumList` is never constructed
[INFO] [stdout]  --> client/src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct NumList {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_payload` is never used
[INFO] [stdout]   --> client/src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | async fn send_payload(payload: NumList) -> String {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_addition_endpoint` is never used
[INFO] [stdout]   --> client/src/main.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | async fn call_addition_endpoint() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_counter` is never used
[INFO] [stdout]   --> client/src/main.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | async fn check_counter() -> String {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumList` is never constructed
[INFO] [stdout]  --> client/src/main.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct NumList {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_payload` is never used
[INFO] [stdout]   --> client/src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | async fn send_payload(payload: NumList) -> String {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_addition_endpoint` is never used
[INFO] [stdout]   --> client/src/main.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | async fn call_addition_endpoint() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_counter` is never used
[INFO] [stdout]   --> client/src/main.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | async fn check_counter() -> String {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking api v0.1.0 (/opt/rustwide/workdir/api)
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> api/src/main.rs:4:63
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::{task::{self, JoinHandle}, time::{sleep,Duration}, sync::Mutex};
[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 imports: `Cell`, `atomic::AtomicUsize`, and `marker::PhantomData`
[INFO] [stdout]  --> api/src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{cell::{Cell, UnsafeCell}, clone, marker::PhantomData, net::SocketAddr, sync::{atomic::AtomicUsize, Arc}};
[INFO] [stdout]   |                  ^^^^                      ^^^^^^^^^^^^^^^^^^^                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> api/src/main.rs:4:63
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::{task::{self, JoinHandle}, time::{sleep,Duration}, sync::Mutex};
[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 imports: `Cell`, `atomic::AtomicUsize`, and `marker::PhantomData`
[INFO] [stdout]  --> api/src/main.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{cell::{Cell, UnsafeCell}, clone, marker::PhantomData, net::SocketAddr, sync::{atomic::AtomicUsize, Arc}};
[INFO] [stdout]   |                  ^^^^                      ^^^^^^^^^^^^^^^^^^^                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> api/src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Counter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> api/src/main.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Counter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[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 45.82s
[INFO] running `Command { std: "docker" "inspect" "20aa1a66484e1d0ae8442b7af62ca4f87c55e86107c3a06ea882b96f6be514f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20aa1a66484e1d0ae8442b7af62ca4f87c55e86107c3a06ea882b96f6be514f0", kill_on_drop: false }`
[INFO] [stdout] 20aa1a66484e1d0ae8442b7af62ca4f87c55e86107c3a06ea882b96f6be514f0