[INFO] fetching crate derive_destructure2_examples 0.1.4...
[INFO] checking derive_destructure2_examples-0.1.4 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate derive_destructure2_examples 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate derive_destructure2_examples 0.1.4
[INFO] finished tweaking crates.io crate derive_destructure2_examples 0.1.4
[INFO] tweaked toml for crates.io crate derive_destructure2_examples 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive_destructure2_examples 0.1.4 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]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 08e702ea7d9c7a537f548a0e9846f3febc2c66912fa88790dbfa7f07ab901b0f
[INFO] running `Command { std: "docker" "start" "-a" "08e702ea7d9c7a537f548a0e9846f3febc2c66912fa88790dbfa7f07ab901b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e702ea7d9c7a537f548a0e9846f3febc2c66912fa88790dbfa7f07ab901b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e702ea7d9c7a537f548a0e9846f3febc2c66912fa88790dbfa7f07ab901b0f", kill_on_drop: false }`
[INFO] [stdout] 08e702ea7d9c7a537f548a0e9846f3febc2c66912fa88790dbfa7f07ab901b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dfbeb473c5ac4022ce0149efddd468e5a8685ee4698f7f09a1c5f4b8546f5fd6
[INFO] running `Command { std: "docker" "start" "-a" "dfbeb473c5ac4022ce0149efddd468e5a8685ee4698f7f09a1c5f4b8546f5fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive_destructure2 v0.1.3
[INFO] [stderr]     Checking derive_destructure2_examples v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `ImplementsDrop` is never constructed
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ImplementsDrop {
[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] [stdout] error: struct `ImplementsDrop` is never constructed
[INFO] [stdout]  --> src/examples.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ImplementsDrop {
[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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derive_destructure2_examples` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `ImplementsDrop` is never constructed
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ImplementsDrop {
[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] [stdout] error: struct `ImplementsDrop` is never constructed
[INFO] [stdout]  --> src/examples.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ImplementsDrop {
[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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derive_destructure2_examples` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dfbeb473c5ac4022ce0149efddd468e5a8685ee4698f7f09a1c5f4b8546f5fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbeb473c5ac4022ce0149efddd468e5a8685ee4698f7f09a1c5f4b8546f5fd6", kill_on_drop: false }`
[INFO] [stdout] dfbeb473c5ac4022ce0149efddd468e5a8685ee4698f7f09a1c5f4b8546f5fd6
