[INFO] cloning repository https://github.com/larashion/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/larashion/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarashion%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarashion%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcc0d837b8df1602e4e0d1fa7eb5f74c0534e792
[INFO] checking larashion/rust-learning against try#d0ab665d12770dbaae620b539ee4319b83445f45 for pr-133502-24
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarashion%2Frust-learning" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/larashion/rust-learning
[INFO] finished tweaking git repo https://github.com/larashion/rust-learning
[INFO] tweaked toml for git repo https://github.com/larashion/rust-learning written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/larashion/rust-learning on toolchain d0ab665d12770dbaae620b539ee4319b83445f45
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d0ab665d12770dbaae620b539ee4319b83445f45" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/larashion/rust-learning 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" "+d0ab665d12770dbaae620b539ee4319b83445f45" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c4ccdce767d8cc193ae0e440465383e112b1d08b9b96d77db3df6988a3560566
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4ccdce767d8cc193ae0e440465383e112b1d08b9b96d77db3df6988a3560566" "/opt/rustwide/cargo-home/bin/cargo" "+d0ab665d12770dbaae620b539ee4319b83445f45" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4ccdce767d8cc193ae0e440465383e112b1d08b9b96d77db3df6988a3560566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4ccdce767d8cc193ae0e440465383e112b1d08b9b96d77db3df6988a3560566" "/opt/rustwide/cargo-home/bin/cargo" "+d0ab665d12770dbaae620b539ee4319b83445f45" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling find-msvc-tools v0.1.7
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking serde_json v1.0.149
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[INFO] [stderr]    Compiling openssl v0.10.75
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[INFO] [stderr]     Checking rand_core v0.9.5
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[INFO] [stderr]     Checking compression-codecs v0.4.36
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[INFO] [stderr]     Checking learning-smart-pointers v0.1.0 (/opt/rustwide/workdir/smart_pointers)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> smart_pointers/src/bin/ptr_box.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Cons(i32, Box<List>),
[INFO] [stdout]    |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 38 -     Cons(i32, Box<List>),
[INFO] [stdout] 38 +     Cons((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> smart_pointers/src/bin/ptr_box.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Cons(i32, Box<List>),
[INFO] [stdout]    |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 38 -     Cons(i32, Box<List>),
[INFO] [stdout] 38 +     Cons((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_weak.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct CycleNode {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 106 |     value: i32,
[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 `value` is never read
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_weak.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct CycleNode {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 106 |     value: i32,
[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 `value` is never read
[INFO] [stdout]   --> smart_pointers/src/bin/ptr_rc.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Data {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 20 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_rc.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | struct CycleNode {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 151 |     value: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Printable` is never used
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:135:11
[INFO] [stdout]     |
[INFO] [stdout] 135 |     trait Printable {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Display` is never used
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:140:11
[INFO] [stdout]     |
[INFO] [stdout] 140 |     trait Display {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Cloneable` is never used
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:145:11
[INFO] [stdout]     |
[INFO] [stdout] 145 |     trait Cloneable {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GenericMethod` is never used
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:150:11
[INFO] [stdout]     |
[INFO] [stdout] 150 |     trait GenericMethod {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:592:5
[INFO] [stdout]     |
[INFO] [stdout] 591 | struct Data {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 592 |     value: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> smart_pointers/src/bin/ptr_rc.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Data {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 20 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_rc.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | struct CycleNode {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 151 |     value: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Printable` is never used
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:135:11
[INFO] [stdout]     |
[INFO] [stdout] 135 |     trait Printable {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Display` is never used
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:140:11
[INFO] [stdout]     |
[INFO] [stdout] 140 |     trait Display {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Cloneable` is never used
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:145:11
[INFO] [stdout]     |
[INFO] [stdout] 145 |     trait Cloneable {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GenericMethod` is never used
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:150:11
[INFO] [stdout]     |
[INFO] [stdout] 150 |     trait GenericMethod {
[INFO] [stdout]     |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> smart_pointers/src/bin/ptr_dyn.rs:592:5
[INFO] [stdout]     |
[INFO] [stdout] 591 | struct Data {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 592 |     value: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Data` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]     Checking time v0.3.45
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking cookie_store v0.22.0
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking async-compression v0.4.37
[INFO] [stderr]     Checking tokio-tungstenite v0.24.0
[INFO] [stderr]     Checking tokio-stream v0.1.18
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking learning-concurrency v0.1.0 (/opt/rustwide/workdir/concurrency)
[INFO] [stderr]     Checking learning-traits v0.1.0 (/opt/rustwide/workdir/traits)
[INFO] [stdout] warning: trait `MyDisplay` is never used
[INFO] [stdout]   --> traits/src/bin/generics.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | trait MyDisplay {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MyDebug` is never used
[INFO] [stdout]   --> traits/src/bin/generics.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait MyDebug {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyStruct` is never constructed
[INFO] [stdout]    --> traits/src/bin/generics.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | struct MyStruct<T> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking h2 v0.4.13
[INFO] [stdout] warning: trait `MyDisplay` is never used
[INFO] [stdout]   --> traits/src/bin/generics.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | trait MyDisplay {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MyDebug` is never used
[INFO] [stdout]   --> traits/src/bin/generics.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | trait MyDebug {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyStruct` is never constructed
[INFO] [stdout]    --> traits/src/bin/generics.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | struct MyStruct<T> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking reqwest v0.12.28
[INFO] [stderr]     Checking learning-networking v0.1.0 (/opt/rustwide/workdir/networking)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.72s
[INFO] running `Command { std: "docker" "inspect" "c4ccdce767d8cc193ae0e440465383e112b1d08b9b96d77db3df6988a3560566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ccdce767d8cc193ae0e440465383e112b1d08b9b96d77db3df6988a3560566", kill_on_drop: false }`
[INFO] [stdout] c4ccdce767d8cc193ae0e440465383e112b1d08b9b96d77db3df6988a3560566
