[INFO] fetching crate fast_delegate 0.13.0...
[INFO] checking fast_delegate-0.13.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate fast_delegate 0.13.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fast_delegate 0.13.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fast_delegate 0.13.0
[INFO] tweaked toml for crates.io crate fast_delegate 0.13.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast_delegate 0.13.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ea2637da100249b23e528a488a1e966541b1a9f73bd7454b9f019b89b7f3227
[INFO] running `Command { std: "docker" "start" "-a" "1ea2637da100249b23e528a488a1e966541b1a9f73bd7454b9f019b89b7f3227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ea2637da100249b23e528a488a1e966541b1a9f73bd7454b9f019b89b7f3227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea2637da100249b23e528a488a1e966541b1a9f73bd7454b9f019b89b7f3227", kill_on_drop: false }`
[INFO] [stdout] 1ea2637da100249b23e528a488a1e966541b1a9f73bd7454b9f019b89b7f3227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 789ab186a4eafe17ba91526598b9c7c3f84250cc3f7c8bda99b05310e50733bf
[INFO] running `Command { std: "docker" "start" "-a" "789ab186a4eafe17ba91526598b9c7c3f84250cc3f7c8bda99b05310e50733bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling fast_delegate_derive v0.13.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking fast_delegate v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking zerocopy v0.8.48
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: struct `DelegateImpl` is never constructed
[INFO] [stdout]   --> tests/generic.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct DelegateImpl;
[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 `Delegate` is never used
[INFO] [stdout]   --> tests/generic.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | trait Delegate {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Delegated` is never constructed
[INFO] [stdout]   --> tests/generic.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Delegated<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Delegated` is never constructed
[INFO] [stdout]  --> tests/test2.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Delegated {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast_delegate` (test "test2") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `fmt::Debug`
[INFO] [stdout]  --> tests/trait.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::Debug, marker::PhantomData};
[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 variable: `value`
[INFO] [stdout]   --> tests/trait.rs:72:20
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn run2(&self, value: usize) -> usize {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> tests/trait.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn run2_mut(&mut self, value: usize) -> usize {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> tests/trait.rs:85:20
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn run2(&self, value: usize) -> usize {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> tests/trait.rs:90:28
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn run2_mut(&mut self, value: usize) -> usize {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> tests/trait.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn run3(&mut self, value: C, value2: i32) -> &usize {
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value2`
[INFO] [stdout]    --> tests/trait.rs:101:34
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn run3(&mut self, value: C, value2: i32) -> &usize {
[INFO] [stdout]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_value2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entity2` is never read
[INFO] [stdout]   --> tests/trait.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Delegated<T> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     entity2: Delegate2Impl,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "789ab186a4eafe17ba91526598b9c7c3f84250cc3f7c8bda99b05310e50733bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789ab186a4eafe17ba91526598b9c7c3f84250cc3f7c8bda99b05310e50733bf", kill_on_drop: false }`
[INFO] [stdout] 789ab186a4eafe17ba91526598b9c7c3f84250cc3f7c8bda99b05310e50733bf
