[INFO] fetching crate worker-plus-sys 0.0.8...
[INFO] checking worker-plus-sys-0.0.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate worker-plus-sys 0.0.8 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate worker-plus-sys 0.0.8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate worker-plus-sys 0.0.8
[INFO] finished tweaking crates.io crate worker-plus-sys 0.0.8
[INFO] tweaked toml for crates.io crate worker-plus-sys 0.0.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53aa7f3b304d4093e12fce6e166337a59da8a523e5b341723cc668c6af8a32e2
[INFO] running `Command { std: "docker" "start" "-a" "53aa7f3b304d4093e12fce6e166337a59da8a523e5b341723cc668c6af8a32e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53aa7f3b304d4093e12fce6e166337a59da8a523e5b341723cc668c6af8a32e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53aa7f3b304d4093e12fce6e166337a59da8a523e5b341723cc668c6af8a32e2", kill_on_drop: false }`
[INFO] [stdout] 53aa7f3b304d4093e12fce6e166337a59da8a523e5b341723cc668c6af8a32e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5c31e6b35338ac3fbde4d3dff82a5b56d94a96fc7638caeb12e6536355e98d1
[INFO] running `Command { std: "docker" "start" "-a" "a5c31e6b35338ac3fbde4d3dff82a5b56d94a96fc7638caeb12e6536355e98d1", kill_on_drop: false }`
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking worker-plus-sys v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Closure` is imported redundantly
[INFO] [stdout]  --> src/durable_object.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasm_bindgen::{closure::Closure, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^  ---------- the item `Closure` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Closure` is imported redundantly
[INFO] [stdout]  --> src/durable_object.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasm_bindgen::{closure::Closure, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^  ---------- the item `Closure` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "a5c31e6b35338ac3fbde4d3dff82a5b56d94a96fc7638caeb12e6536355e98d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c31e6b35338ac3fbde4d3dff82a5b56d94a96fc7638caeb12e6536355e98d1", kill_on_drop: false }`
[INFO] [stdout] a5c31e6b35338ac3fbde4d3dff82a5b56d94a96fc7638caeb12e6536355e98d1
[INFO] checking worker-plus-sys-0.0.8 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate worker-plus-sys 0.0.8 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate worker-plus-sys 0.0.8 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate worker-plus-sys 0.0.8
[INFO] finished tweaking crates.io crate worker-plus-sys 0.0.8
[INFO] tweaked toml for crates.io crate worker-plus-sys 0.0.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 807fbd992f46b3355ba300650195d1bdf5b69052f44ad98f6bef2fd88937bd85
[INFO] running `Command { std: "docker" "start" "-a" "807fbd992f46b3355ba300650195d1bdf5b69052f44ad98f6bef2fd88937bd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "807fbd992f46b3355ba300650195d1bdf5b69052f44ad98f6bef2fd88937bd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807fbd992f46b3355ba300650195d1bdf5b69052f44ad98f6bef2fd88937bd85", kill_on_drop: false }`
[INFO] [stdout] 807fbd992f46b3355ba300650195d1bdf5b69052f44ad98f6bef2fd88937bd85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ffd7cf4d79c19b16e2204740ccbca65c42d9d4a411070b449ff0377a432cfdc
[INFO] running `Command { std: "docker" "start" "-a" "7ffd7cf4d79c19b16e2204740ccbca65c42d9d4a411070b449ff0377a432cfdc", kill_on_drop: false }`
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking worker-plus-sys v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Closure` is imported redundantly
[INFO] [stdout]  --> src/durable_object.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasm_bindgen::{closure::Closure, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^  ---------- the item `Closure` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Closure` is imported redundantly
[INFO] [stdout]  --> src/durable_object.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasm_bindgen::{closure::Closure, prelude::*};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^  ---------- the item `Closure` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "7ffd7cf4d79c19b16e2204740ccbca65c42d9d4a411070b449ff0377a432cfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ffd7cf4d79c19b16e2204740ccbca65c42d9d4a411070b449ff0377a432cfdc", kill_on_drop: false }`
[INFO] [stdout] 7ffd7cf4d79c19b16e2204740ccbca65c42d9d4a411070b449ff0377a432cfdc