[INFO] fetching crate wasm-bindgen-test-crate-b 0.1.0...
[INFO] testing wasm-bindgen-test-crate-b-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate wasm-bindgen-test-crate-b 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate wasm-bindgen-test-crate-b 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-bindgen-test-crate-b 0.1.0
[INFO] finished tweaking crates.io crate wasm-bindgen-test-crate-b 0.1.0
[INFO] tweaked toml for crates.io crate wasm-bindgen-test-crate-b 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05f0ec56d40faf3f7f3131eb700e8b5a67ac7ac7b5c98c2a6a3dacf5d1aeec91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "05f0ec56d40faf3f7f3131eb700e8b5a67ac7ac7b5c98c2a6a3dacf5d1aeec91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05f0ec56d40faf3f7f3131eb700e8b5a67ac7ac7b5c98c2a6a3dacf5d1aeec91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f0ec56d40faf3f7f3131eb700e8b5a67ac7ac7b5c98c2a6a3dacf5d1aeec91", kill_on_drop: false }`
[INFO] [stdout] 05f0ec56d40faf3f7f3131eb700e8b5a67ac7ac7b5c98c2a6a3dacf5d1aeec91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45096a93d622d08b0d6bf213c31c559043dcdd4445bb13fafb8753536297fe14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45096a93d622d08b0d6bf213c31c559043dcdd4445bb13fafb8753536297fe14", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-test-crate-b v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown attribute
[INFO] [stdout]  --> src/lib.rs:7:57
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[wasm_bindgen(module = "tests/wasm/duplicate_deps.js", version = "*")]
[INFO] [stdout]   |                                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `foo` in this scope
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     foo(10);
[INFO] [stdout]    |     ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(use_extern_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen-test-crate-b`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "45096a93d622d08b0d6bf213c31c559043dcdd4445bb13fafb8753536297fe14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45096a93d622d08b0d6bf213c31c559043dcdd4445bb13fafb8753536297fe14", kill_on_drop: false }`
[INFO] [stdout] 45096a93d622d08b0d6bf213c31c559043dcdd4445bb13fafb8753536297fe14