[INFO] fetching crate construct 0.0.3...
[INFO] testing construct-0.0.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate construct 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate construct 0.0.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate construct 0.0.3
[INFO] finished tweaking crates.io crate construct 0.0.3
[INFO] tweaked toml for crates.io crate construct 0.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0b527c2ac7d54869bb0149e23e616b28e3df18836e8e84501e2a22a13a80386
[INFO] running `Command { std: "docker" "start" "-a" "e0b527c2ac7d54869bb0149e23e616b28e3df18836e8e84501e2a22a13a80386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b527c2ac7d54869bb0149e23e616b28e3df18836e8e84501e2a22a13a80386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b527c2ac7d54869bb0149e23e616b28e3df18836e8e84501e2a22a13a80386", kill_on_drop: false }`
[INFO] [stdout] e0b527c2ac7d54869bb0149e23e616b28e3df18836e8e84501e2a22a13a80386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a55a0e6e681dfa63bc8744f58ddd0228da9e1a9960909baafa3177c7bad3ad70
[INFO] running `Command { std: "docker" "start" "-a" "a55a0e6e681dfa63bc8744f58ddd0228da9e1a9960909baafa3177c7bad3ad70", kill_on_drop: false }`
[INFO] [stderr]    Compiling construct v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> src/lib.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]  --> src/lib.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ReserveN<T> {
[INFO] [stdout]   |                     ^ unused parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]   = help: if you intended `T` to be a const parameter, use `const T: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `construct` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a55a0e6e681dfa63bc8744f58ddd0228da9e1a9960909baafa3177c7bad3ad70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55a0e6e681dfa63bc8744f58ddd0228da9e1a9960909baafa3177c7bad3ad70", kill_on_drop: false }`
[INFO] [stdout] a55a0e6e681dfa63bc8744f58ddd0228da9e1a9960909baafa3177c7bad3ad70