[INFO] fetching crate vec-x 0.8.0...
[INFO] checking vec-x-0.8.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate vec-x 0.8.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate vec-x 0.8.0
[INFO] finished tweaking crates.io crate vec-x 0.8.0
[INFO] tweaked toml for crates.io crate vec-x 0.8.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec-x 0.8.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 13 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5f6a58694551d732b1647fb5ebc77ff35766fbe8a3ef7d6b55b23274c6c3979e
[INFO] running `Command { std: "docker" "start" "-a" "5f6a58694551d732b1647fb5ebc77ff35766fbe8a3ef7d6b55b23274c6c3979e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f6a58694551d732b1647fb5ebc77ff35766fbe8a3ef7d6b55b23274c6c3979e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6a58694551d732b1647fb5ebc77ff35766fbe8a3ef7d6b55b23274c6c3979e", kill_on_drop: false }`
[INFO] [stdout] 5f6a58694551d732b1647fb5ebc77ff35766fbe8a3ef7d6b55b23274c6c3979e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 668b5df2537a6cebccb33f2b15b532e5e1b736ce880cf074941afca70d845b24
[INFO] running `Command { std: "docker" "start" "-a" "668b5df2537a6cebccb33f2b15b532e5e1b736ce880cf074941afca70d845b24", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking vec-x v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `vec-x` (lib) due to 1 previous error
[INFO] [stdout] error: struct `IndexedVecXIter` is never constructed
[INFO] [stdout]    --> src/collection.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct IndexedVecXIter<'a, T, const N: usize>
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `IndexedVecXIter` is never constructed
[INFO] [stdout]    --> src/collection.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct IndexedVecXIter<'a, T, const N: usize>
[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 `vec-x` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "668b5df2537a6cebccb33f2b15b532e5e1b736ce880cf074941afca70d845b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668b5df2537a6cebccb33f2b15b532e5e1b736ce880cf074941afca70d845b24", kill_on_drop: false }`
[INFO] [stdout] 668b5df2537a6cebccb33f2b15b532e5e1b736ce880cf074941afca70d845b24
