[INFO] fetching crate atomic_list 2.0.0...
[INFO] checking atomic_list-2.0.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate atomic_list 2.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate atomic_list 2.0.0
[INFO] finished tweaking crates.io crate atomic_list 2.0.0
[INFO] tweaked toml for crates.io crate atomic_list 2.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate atomic_list 2.0.0 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] crate crates.io crate atomic_list 2.0.0 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] abc47c08a0ff4849fa77df8f201dce3ce4987524d9e678044b61a89b86bdaf0f
[INFO] running `Command { std: "docker" "start" "-a" "abc47c08a0ff4849fa77df8f201dce3ce4987524d9e678044b61a89b86bdaf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abc47c08a0ff4849fa77df8f201dce3ce4987524d9e678044b61a89b86bdaf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc47c08a0ff4849fa77df8f201dce3ce4987524d9e678044b61a89b86bdaf0f", kill_on_drop: false }`
[INFO] [stdout] abc47c08a0ff4849fa77df8f201dce3ce4987524d9e678044b61a89b86bdaf0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8a3fca535384ca41bc4c54dd1bf8937f7573ea2b328f985af351cc6d0d10b9ba
[INFO] running `Command { std: "docker" "start" "-a" "8a3fca535384ca41bc4c54dd1bf8937f7573ea2b328f985af351cc6d0d10b9ba", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic_list v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `NodeIter` is never constructed
[INFO] [stdout]    --> src/sync.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct NodeIter<T> {
[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 `atomic_list` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `NodeIter` is never constructed
[INFO] [stdout]    --> src/sync.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub struct NodeIter<T> {
[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 `atomic_list` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8a3fca535384ca41bc4c54dd1bf8937f7573ea2b328f985af351cc6d0d10b9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a3fca535384ca41bc4c54dd1bf8937f7573ea2b328f985af351cc6d0d10b9ba", kill_on_drop: false }`
[INFO] [stdout] 8a3fca535384ca41bc4c54dd1bf8937f7573ea2b328f985af351cc6d0d10b9ba
