[INFO] cloning repository https://github.com/divinerapier/rust-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/divinerapier/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivinerapier%2Frust-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivinerapier%2Frust-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d45e78a2006170efefb841887e3d0bebf93d316d
[INFO] checking divinerapier/rust-examples against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdivinerapier%2Frust-examples" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/divinerapier/rust-examples on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/divinerapier/rust-examples
[INFO] finished tweaking git repo https://github.com/divinerapier/rust-examples
[INFO] tweaked toml for git repo https://github.com/divinerapier/rust-examples written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/divinerapier/rust-examples 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/divinerapier/url.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes-utils v0.1.1
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[INFO] [stderr]   Downloaded aws-http v0.3.0
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.33.1
[INFO] [stderr]   Downloaded aws-smithy-async v0.33.1
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[INFO] [stderr]   Downloaded aws-smithy-http v0.33.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ff3176364ea5cc8b2200434bea6568b92c315072f3a787e916781bc66424e02
[INFO] running `Command { std: "docker" "start" "-a" "3ff3176364ea5cc8b2200434bea6568b92c315072f3a787e916781bc66424e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ff3176364ea5cc8b2200434bea6568b92c315072f3a787e916781bc66424e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff3176364ea5cc8b2200434bea6568b92c315072f3a787e916781bc66424e02", kill_on_drop: false }`
[INFO] [stdout] 3ff3176364ea5cc8b2200434bea6568b92c315072f3a787e916781bc66424e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f75a6fb5cff6227696638c28c163d3c153a05596c9e844bf06274587007cb7e1
[INFO] running `Command { std: "docker" "start" "-a" "f75a6fb5cff6227696638c28c163d3c153a05596c9e844bf06274587007cb7e1", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
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[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking binascii v0.1.4
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling rocket_sync_db_pools_codegen v0.1.0-rc.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling sea-query-derive v0.2.0
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking aws-smithy-json v0.33.1
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking aws-smithy-async v0.33.1
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tower v0.4.10
[INFO] [stderr]    Compiling sqlx-rt v0.5.9
[INFO] [stderr]     Checking trust-dns-proto v0.20.3
[INFO] [stderr]     Checking combine v4.6.2
[INFO] [stderr]     Checking os_info v3.0.7
[INFO] [stderr]     Checking matchit v0.4.4
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking sea-query v0.12.12
[INFO] [stderr]     Checking tracing-subscriber v0.3.3
[INFO] [stderr]     Checking rs-snowflake v0.5.0
[INFO] [stderr]     Checking grammar v0.1.0 (/opt/rustwide/workdir/grammar)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> grammar/closure/main4.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn call_function<F>(mut f: F)
[INFO] [stdout]   |                                ----^
[INFO] [stdout]   |                                |
[INFO] [stdout]   |                                help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main3.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn bar<T>(t: T) {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main4.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn bar<T>(t: T) {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main3.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn baz<T>(t: T)
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baz` is never used
[INFO] [stdout]   --> grammar/closure/main3.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn baz<T>(t: T)
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main4.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn baz<T>(t: T)
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn bar<T>(t: T) {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main2.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn bar<T>(t: T) {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> grammar/closure/main4.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn call_function<F>(mut f: F)
[INFO] [stdout]   |                                ----^
[INFO] [stdout]   |                                |
[INFO] [stdout]   |                                help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main4.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn bar<T>(t: T) {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main4.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn baz<T>(t: T)
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]   --> grammar/src/format/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         use std::fmt::Debug;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `join3`
[INFO] [stdout]  --> grammar/src/future/mod.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::future::{join3, maybe_done, MaybeDone};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `join`, `pin_mut`
[INFO] [stdout]  --> grammar/src/future/mod.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{join, pin_mut};
[INFO] [stdout]   |               ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::fs::FileExt`
[INFO] [stdout]  --> grammar/src/future/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::unix::fs::FileExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ready`
[INFO] [stdout]  --> grammar/src/future/mod.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::task::{ready, Context, Poll};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `join`, `ok`
[INFO] [stdout]   --> grammar/src/future/mod.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use futures::future::{join, ok};
[INFO] [stdout]    |                           ^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> grammar/src/iterator/iter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> grammar/src/marker/send/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> grammar/src/marker/send/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main3.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn bar<T>(t: T) {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> grammar/src/pointer/rc.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::borrow::BorrowMut;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main3.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn baz<T>(t: T)
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baz` is never used
[INFO] [stdout]   --> grammar/closure/main3.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn baz<T>(t: T)
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ready_macro` has been stable since 1.64.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> grammar/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ready_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn bar<T>(t: T) {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking codewars v0.1.0 (/opt/rustwide/workdir/codewars)
[INFO] [stdout] warning: unused import: `join3`
[INFO] [stdout]  --> grammar/src/future/mod.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::future::{join3, maybe_done, MaybeDone};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `join`, `pin_mut`
[INFO] [stdout]  --> grammar/src/future/mod.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{join, pin_mut};
[INFO] [stdout]   |               ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::fs::FileExt`
[INFO] [stdout]  --> grammar/src/future/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::unix::fs::FileExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ready`
[INFO] [stdout]  --> grammar/src/future/mod.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::task::{ready, Context, Poll};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> grammar/src/iterator/iter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> grammar/src/marker/send/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ready_macro` has been stable since 1.64.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> grammar/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ready_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> grammar/src/future/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> grammar/closure/main2.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn bar<T>(t: T) {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> grammar/src/marker/send/mod.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let a = v;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> grammar/src/marker/send/mod.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let a = v;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> grammar/src/marker/send/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let a = v;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> grammar/src/marker/sized/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let x: &dyn Foo = &Impl; // OK
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> grammar/src/pointer/boxes.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn consumer_box<T>(b: Box<T>) {}
[INFO] [stdout]   |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> grammar/src/pointer/rc.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn consumer_rc<T>(v: Rc<T>) {}
[INFO] [stdout]   |                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_box` is never used
[INFO] [stdout]  --> grammar/src/marker/send/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn send_box() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_cell` is never used
[INFO] [stdout]   --> grammar/src/marker/send/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn send_cell() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_refcell` is never used
[INFO] [stdout]   --> grammar/src/marker/send/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn send_refcell() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]  --> grammar/src/marker/sized/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn foo() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `consumer_box` is never used
[INFO] [stdout]  --> grammar/src/pointer/boxes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn consumer_box<T>(b: Box<T>) {}
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> grammar/src/future/mod.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> grammar/src/marker/send/mod.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let a = v;
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> grammar/src/marker/send/mod.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let a = v;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> grammar/src/marker/send/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let a = v;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> grammar/src/marker/sized/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let x: &dyn Foo = &Impl; // OK
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> grammar/src/pointer/boxes.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn consumer_box<T>(b: Box<T>) {}
[INFO] [stdout]   |                        ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]  --> grammar/src/pointer/rc.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn consumer_rc<T>(v: Rc<T>) {}
[INFO] [stdout]   |                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> grammar/src/future/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | / impl<F1, F2> Join2<F1, F2>
[INFO] [stdout] 23 | | where
[INFO] [stdout] 24 | |     F1: Future,
[INFO] [stdout] 25 | |     F2: Future,
[INFO] [stdout]    | |_______________- associated function in this implementation
[INFO] [stdout] 26 |   {
[INFO] [stdout] 27 |       pub fn new(fu1: F1, fu2: F2) -> Join2<F1, F2> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> grammar/src/iterator/from_iterator.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl User {
[INFO] [stdout]   | --------- associated function in this implementation
[INFO] [stdout] 8 |     pub fn new<S: Into<String>>(name: S, age: usize) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]   --> grammar/src/iterator/iter.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'u> Team<'u> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 17 |     pub fn iter(&'u self) -> TeamIter<impl Iterator<Item = &'u User>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_box` is never used
[INFO] [stdout]  --> grammar/src/marker/send/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn send_box() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_cell` is never used
[INFO] [stdout]   --> grammar/src/marker/send/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn send_cell() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_refcell` is never used
[INFO] [stdout]   --> grammar/src/marker/send/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn send_refcell() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]  --> grammar/src/marker/sized/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn foo() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `consumer_box` is never used
[INFO] [stdout]  --> grammar/src/pointer/boxes.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn consumer_box<T>(b: Box<T>) {}
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `give_box` is never used
[INFO] [stdout]  --> grammar/src/pointer/boxes.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn give_box<T>() -> Box<T>
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_box` is never used
[INFO] [stdout]   --> grammar/src/pointer/boxes.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn update_box<T>(b: &mut Box<T>, v: T) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_cell` is never used
[INFO] [stdout]  --> grammar/src/pointer/cell.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_cell<T>(v: T) -> Cell<T> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_cell` is never used
[INFO] [stdout]  --> grammar/src/pointer/cell.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn update_cell<T>(c: &Cell<T>, v: T) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `into_rc` is never used
[INFO] [stdout]  --> grammar/src/pointer/rc.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn into_rc<T>(v: T) -> Rc<T> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `consumer_rc` is never used
[INFO] [stdout]  --> grammar/src/pointer/rc.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn consumer_rc<T>(v: Rc<T>) {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LimitTracker` is never constructed
[INFO] [stdout]  --> grammar/src/pointer/refcell.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LimitTracker<'a, T: Messenger> {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `set_value` are never used
[INFO] [stdout]   --> grammar/src/pointer/refcell.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<'a, T> LimitTracker<'a, T>
[INFO] [stdout] 12 | | where
[INFO] [stdout] 13 | |     T: Messenger,
[INFO] [stdout]    | |_________________- associated items in this implementation
[INFO] [stdout] 14 |   {
[INFO] [stdout] 15 |       pub fn new(messenger: &T, max: usize) -> LimitTracker<T> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |       pub fn set_value(&mut self, value: usize) {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rot13` is never used
[INFO] [stdout]  --> codewars/src/rot13.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn rot13(message: &str) -> String {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking trust-dns-resolver v0.20.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking string_cache v0.8.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ubyte v0.10.1
[INFO] [stderr]     Checking url v0.1.0 (https://github.com/divinerapier/url.git#d7342ac6)
[INFO] [stderr]     Checking serde_with v1.11.0
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking simple_asn1 v0.5.4
[INFO] [stderr]     Checking diesel v1.4.8
[INFO] [stderr]     Checking rsa v0.4.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking bson v2.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking sqlx-core v0.5.9
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking scraper v0.12.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking mongodb v2.0.1
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]     Checking redis v0.21.4
[INFO] [stderr]    Compiling sqlx-macros v0.5.9
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking aws-smithy-http v0.33.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking rocket_http v0.5.0-rc.1
[INFO] [stderr]     Checking axum v0.3.0
[INFO] [stderr]     Checking reqwest v0.11.5
[INFO] [stderr]     Checking aws-smithy-http-tower v0.33.1
[INFO] [stderr]     Checking aws-sigv4 v0.3.0
[INFO] [stderr]     Checking aws-http v0.3.0
[INFO] [stderr]     Checking aws-endpoint v0.3.0
[INFO] [stderr]     Checking redis-example v0.1.0 (/opt/rustwide/workdir/redis-example)
[INFO] [stderr]     Checking aws-smithy-client v0.33.1
[INFO] [stderr]     Checking aws-sig-auth v0.3.0
[INFO] [stderr]     Checking crawler v0.1.0 (/opt/rustwide/workdir/crawler)
[INFO] [stderr]     Checking aws-sdk-sts v0.3.0
[INFO] [stderr]     Checking aws-sdk-s3 v0.3.0
[INFO] [stderr]     Checking aws-config v0.3.0
[INFO] [stderr]     Checking sqlx v0.5.9
[INFO] [stderr]     Checking axum-example v0.1.0 (/opt/rustwide/workdir/axum-example)
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> axum-example/src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt::Debug, sync::Arc, time::Duration};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddExtension`, `Error`, `Extension`, `Path`, `body::Bytes`
[INFO] [stdout]  --> axum-example/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     body::Bytes,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 7 |     extract::{Extension, Path},
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^
[INFO] [stdout] 8 |     routing::{get, post},
[INFO] [stdout] 9 |     AddExtension, AddExtensionLayer, Error, Json, Router,
[INFO] [stdout]   |     ^^^^^^^^^^^^                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> axum-example/src/algorithm.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::{Borrow, BorrowMut, Cow},
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]  --> axum-example/src/main.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt::Debug, sync::Arc, time::Duration};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddExtension`, `Error`, `Extension`, `Path`, `body::Bytes`
[INFO] [stdout]  --> axum-example/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     body::Bytes,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 7 |     extract::{Extension, Path},
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^
[INFO] [stdout] 8 |     routing::{get, post},
[INFO] [stdout] 9 |     AddExtension, AddExtensionLayer, Error, Json, Router,
[INFO] [stdout]   |     ^^^^^^^^^^^^                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> axum-example/src/algorithm.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::{Borrow, BorrowMut, Cow},
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> axum-example/src/algorithm.rs:81:22
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 Some(code) => Ok(Json(json! ({
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> axum-example/src/algorithm.rs:81:22
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 Some(code) => Ok(Json(json! ({
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> axum-example/src/algorithm.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::{Borrow, BorrowMut, Cow},
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> axum-example/src/algorithm.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::{Borrow, BorrowMut, Cow},
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_response` is never used
[INFO] [stdout]    --> axum-example/src/main.rs:226:10
[INFO] [stdout]     |
[INFO] [stdout] 226 | async fn read_response<R>(
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CreateAlgorithmResponse` is never used
[INFO] [stdout]   --> axum-example/src/algorithm.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type CreateAlgorithmResponse = String;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DuplicateKey` is never constructed
[INFO] [stdout]  --> axum-example/src/error.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct DuplicateKey {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DuplicateKey` is never constructed
[INFO] [stdout]  --> axum-example/src/error.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct DuplicateKey {}
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.1
[INFO] [stderr]     Checking cos-example v0.1.0 (/opt/rustwide/workdir/cos-example)
[INFO] [stdout] warning: unused import: `aws_config::meta::region::RegionProviderChain`
[INFO] [stdout]  --> cos-example/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use aws_config::meta::region::RegionProviderChain;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_config::meta::region::RegionProviderChain`
[INFO] [stdout]  --> cos-example/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use aws_config::meta::region::RegionProviderChain;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_config::provider_config::ProviderConfig`
[INFO] [stdout]  --> cos-example/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use aws_config::provider_config::ProviderConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Endpoint`
[INFO] [stdout]   --> cos-example/src/main.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 | use aws_sdk_s3::{ByteStream, Client, Credentials, Endpoint, Error, Region, PKG_VERSION};
[INFO] [stdout]    |                                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_config::provider_config::ProviderConfig`
[INFO] [stdout]  --> cos-example/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use aws_config::provider_config::ProviderConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProvideCredentials`
[INFO] [stdout]   --> cos-example/src/main.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | use aws_types::credentials::{ProvideCredentials, SharedCredentialsProvider};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_config::web_identity_token::StaticConfiguration`
[INFO] [stdout]   --> cos-example/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use aws_config::web_identity_token::StaticConfiguration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Endpoint`
[INFO] [stdout]   --> cos-example/src/main.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 | use aws_sdk_s3::{ByteStream, Client, Credentials, Endpoint, Error, Region, PKG_VERSION};
[INFO] [stdout]    |                                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_sdk_s3::client::Builder`
[INFO] [stdout]   --> cos-example/src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use aws_sdk_s3::client::Builder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProvideCredentials`
[INFO] [stdout]   --> cos-example/src/main.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 | use aws_types::credentials::{ProvideCredentials, SharedCredentialsProvider};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_types::config::Config`
[INFO] [stdout]   --> cos-example/src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use aws_types::config::Config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_config::web_identity_token::StaticConfiguration`
[INFO] [stdout]   --> cos-example/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use aws_config::web_identity_token::StaticConfiguration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_sdk_s3::client::Builder`
[INFO] [stdout]   --> cos-example/src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use aws_sdk_s3::client::Builder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aws_types::config::Config`
[INFO] [stdout]   --> cos-example/src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use aws_types::config::Config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `region`, `bucket`, `key`, and `verbose` are never read
[INFO] [stdout]   --> cos-example/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     region: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     bucket: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `region`, `bucket`, `key`, and `verbose` are never read
[INFO] [stdout]   --> cos-example/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Opt {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     region: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     bucket: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     verbose: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rocket_sync_db_pools v0.1.0-rc.1
[INFO] [stderr]     Checking rocket-example v0.1.0 (/opt/rustwide/workdir/rocket-example)
[INFO] [stdout] warning: unused variable: `post`
[INFO] [stdout]    --> rocket-example/src/main.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |     let post: Vec<models::Post> = pool
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `post`
[INFO] [stdout]    --> rocket-example/src/main.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |     let post: Vec<models::Post> = pool
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `post`
[INFO] [stdout]    --> rocket-example/src/main.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     let post = pool
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `post`
[INFO] [stdout]    --> rocket-example/src/main.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     let post = pool
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1, sqlx-macros v0.5.9, ubyte v0.10.1, xml5ever v0.16.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f75a6fb5cff6227696638c28c163d3c153a05596c9e844bf06274587007cb7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75a6fb5cff6227696638c28c163d3c153a05596c9e844bf06274587007cb7e1", kill_on_drop: false }`
[INFO] [stdout] f75a6fb5cff6227696638c28c163d3c153a05596c9e844bf06274587007cb7e1
