[INFO] fetching crate js-test 1.0.0-alpha.15...
[INFO] checking js-test-1.0.0-alpha.15 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate js-test 1.0.0-alpha.15 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate js-test 1.0.0-alpha.15 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] started tweaking crates.io crate js-test 1.0.0-alpha.15
[INFO] finished tweaking crates.io crate js-test 1.0.0-alpha.15
[INFO] tweaked toml for crates.io crate js-test 1.0.0-alpha.15 written to /workspace/builds/worker-0-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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ccc7106e46bd0e5067250a9ec4901577d639dcd8f97b672b39adf7075c64411d
[INFO] running `Command { std: "docker" "start" "-a" "ccc7106e46bd0e5067250a9ec4901577d639dcd8f97b672b39adf7075c64411d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccc7106e46bd0e5067250a9ec4901577d639dcd8f97b672b39adf7075c64411d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc7106e46bd0e5067250a9ec4901577d639dcd8f97b672b39adf7075c64411d", kill_on_drop: false }`
[INFO] [stdout] ccc7106e46bd0e5067250a9ec4901577d639dcd8f97b672b39adf7075c64411d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9d2b16b5351c483c286c24892bb6ed0542c09a252ad8cfb5df07cea2e4714455
[INFO] running `Command { std: "docker" "start" "-a" "9d2b16b5351c483c286c24892bb6ed0542c09a252ad8cfb5df07cea2e4714455", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.42
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.42
[INFO] [stderr]     Checking js-test v1.0.0-alpha.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `Object` should have an upper case name
[INFO] [stdout]   --> src/object.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     static Object: ObjectConstructor;
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper case: `OBJECT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.42
[INFO] [stdout] warning: static variable `Object` should have an upper case name
[INFO] [stdout]   --> src/object.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     static Object: ObjectConstructor;
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper case: `OBJECT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` 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 4.83s
[INFO] running `Command { std: "docker" "inspect" "9d2b16b5351c483c286c24892bb6ed0542c09a252ad8cfb5df07cea2e4714455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2b16b5351c483c286c24892bb6ed0542c09a252ad8cfb5df07cea2e4714455", kill_on_drop: false }`
[INFO] [stdout] 9d2b16b5351c483c286c24892bb6ed0542c09a252ad8cfb5df07cea2e4714455