[INFO] cloning repository https://github.com/TradaTech/icetea-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TradaTech/icetea-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTradaTech%2Ficetea-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTradaTech%2Ficetea-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49508e3e3b989f891152e530abbe7fa9fff6bd9c
[INFO] checking TradaTech/icetea-wasm against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTradaTech%2Ficetea-wasm" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TradaTech/icetea-wasm 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 git repo https://github.com/TradaTech/icetea-wasm
[INFO] finished tweaking git repo https://github.com/TradaTech/icetea-wasm
[INFO] tweaked toml for git repo https://github.com/TradaTech/icetea-wasm written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TradaTech/icetea-wasm already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.38
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.38
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.38
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.38
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.38
[INFO] [stderr]   Downloaded syn v0.15.27
[INFO] [stderr]   Downloaded js-sys v0.3.15
[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] 6488b5112e0e332f3630f62835bba9840ac6fd382e674edac894120606cb9808
[INFO] running `Command { std: "docker" "start" "-a" "6488b5112e0e332f3630f62835bba9840ac6fd382e674edac894120606cb9808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6488b5112e0e332f3630f62835bba9840ac6fd382e674edac894120606cb9808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6488b5112e0e332f3630f62835bba9840ac6fd382e674edac894120606cb9808", kill_on_drop: false }`
[INFO] [stdout] 6488b5112e0e332f3630f62835bba9840ac6fd382e674edac894120606cb9808
[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] e0d196dfeaa832bc7ddf602e62918faa2b64a7541a28a28f45dbf14c50d69dad
[INFO] running `Command { std: "docker" "start" "-a" "e0d196dfeaa832bc7ddf602e62918faa2b64a7541a28a28f45dbf14c50d69dad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.38
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.38
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.38
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.38
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.38
[INFO] [stderr]     Checking js-sys v0.3.15
[INFO] [stderr]     Checking icetea_wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.38
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e0d196dfeaa832bc7ddf602e62918faa2b64a7541a28a28f45dbf14c50d69dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d196dfeaa832bc7ddf602e62918faa2b64a7541a28a28f45dbf14c50d69dad", kill_on_drop: false }`
[INFO] [stdout] e0d196dfeaa832bc7ddf602e62918faa2b64a7541a28a28f45dbf14c50d69dad
[INFO] checking TradaTech/icetea-wasm against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTradaTech%2Ficetea-wasm" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TradaTech/icetea-wasm on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TradaTech/icetea-wasm
[INFO] finished tweaking git repo https://github.com/TradaTech/icetea-wasm
[INFO] tweaked toml for git repo https://github.com/TradaTech/icetea-wasm written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TradaTech/icetea-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 463491e1c7760fd27818cc21a2d8cd6589e803a32a5112cef37c9e87ce34212b
[INFO] running `Command { std: "docker" "start" "-a" "463491e1c7760fd27818cc21a2d8cd6589e803a32a5112cef37c9e87ce34212b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "463491e1c7760fd27818cc21a2d8cd6589e803a32a5112cef37c9e87ce34212b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463491e1c7760fd27818cc21a2d8cd6589e803a32a5112cef37c9e87ce34212b", kill_on_drop: false }`
[INFO] [stdout] 463491e1c7760fd27818cc21a2d8cd6589e803a32a5112cef37c9e87ce34212b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d047c3bc64da73ac768de5efd91f8c3c0542d5b74313b746294d132fed2aca17
[INFO] running `Command { std: "docker" "start" "-a" "d047c3bc64da73ac768de5efd91f8c3c0542d5b74313b746294d132fed2aca17", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.38
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.38
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.38
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.38
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-macro-support-0.2.38/src/parser.rs:228:17
[INFO] [stdout]     |
[INFO] [stdout] 228 | /                 if input.parse::<Token![=]>().is_ok() {
[INFO] [stdout] 229 | |                     let ident = input.parse::<AnyIdent>()?.0;
[INFO] [stdout] 230 | |                     return Ok(BindgenAttr::$variant(attr_span, Some(ident)))
[INFO] [stdout] 231 | |                 } else {
[INFO] [stdout] 232 | |                     return Ok(BindgenAttr::$variant(attr_span, None));
[INFO] [stdout] 233 | |                 }
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 257 |           attrgen!(parsers);
[INFO] [stdout]     |           ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `parsers` which comes from the expansion of the macro `attrgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen-macro-support` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d047c3bc64da73ac768de5efd91f8c3c0542d5b74313b746294d132fed2aca17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d047c3bc64da73ac768de5efd91f8c3c0542d5b74313b746294d132fed2aca17", kill_on_drop: false }`
[INFO] [stdout] d047c3bc64da73ac768de5efd91f8c3c0542d5b74313b746294d132fed2aca17