[INFO] fetching crate js-function-promisify 0.2.1...
[INFO] checking js-function-promisify-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate js-function-promisify 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate js-function-promisify 0.2.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate js-function-promisify 0.2.1
[INFO] finished tweaking crates.io crate js-function-promisify 0.2.1
[INFO] tweaked toml for crates.io crate js-function-promisify 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10e418c953e663147df86113985e661a24f8cbc186eeab3df5441af88230a4c2
[INFO] running `Command { std: "docker" "start" "-a" "10e418c953e663147df86113985e661a24f8cbc186eeab3df5441af88230a4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10e418c953e663147df86113985e661a24f8cbc186eeab3df5441af88230a4c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e418c953e663147df86113985e661a24f8cbc186eeab3df5441af88230a4c2", kill_on_drop: false }`
[INFO] [stdout] 10e418c953e663147df86113985e661a24f8cbc186eeab3df5441af88230a4c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68fe9f29d58c8cba02e0127760f8c3ea3399dab697597702a008c67835d12aac
[INFO] running `Command { std: "docker" "start" "-a" "68fe9f29d58c8cba02e0127760f8c3ea3399dab697597702a008c67835d12aac", kill_on_drop: false }`
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking js-function-promisify v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `JsCast` is imported redundantly
[INFO] [stdout]    --> src/callback.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 160 |   use wasm_bindgen::prelude::*;
[INFO] [stdout]     |       ------------------------ the item `JsCast` is already imported here
[INFO] [stdout] 161 |   use wasm_bindgen::JsCast;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "68fe9f29d58c8cba02e0127760f8c3ea3399dab697597702a008c67835d12aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68fe9f29d58c8cba02e0127760f8c3ea3399dab697597702a008c67835d12aac", kill_on_drop: false }`
[INFO] [stdout] 68fe9f29d58c8cba02e0127760f8c3ea3399dab697597702a008c67835d12aac