[INFO] fetching crate wok_log 0.0.0...
[INFO] checking wok_log-0.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate wok_log 0.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate wok_log 0.0.0 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 wok_log 0.0.0
[INFO] finished tweaking crates.io crate wok_log 0.0.0
[INFO] tweaked toml for crates.io crate wok_log 0.0.0 written to /workspace/builds/worker-3-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 16 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 35497aeae7c9019fcb4915e197ba5446408bbb221a186f1b2c640a0f6b8e9a56
[INFO] running `Command { std: "docker" "start" "-a" "35497aeae7c9019fcb4915e197ba5446408bbb221a186f1b2c640a0f6b8e9a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35497aeae7c9019fcb4915e197ba5446408bbb221a186f1b2c640a0f6b8e9a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35497aeae7c9019fcb4915e197ba5446408bbb221a186f1b2c640a0f6b8e9a56", kill_on_drop: false }`
[INFO] [stdout] 35497aeae7c9019fcb4915e197ba5446408bbb221a186f1b2c640a0f6b8e9a56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 23be74479cd57ccc172ea9e46a531b5059814ef4412ff7e69318f7327eb27ff4
[INFO] running `Command { std: "docker" "start" "-a" "23be74479cd57ccc172ea9e46a531b5059814ef4412ff7e69318f7327eb27ff4", kill_on_drop: false }`
[INFO] [stderr]     Checking wok_log v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "23be74479cd57ccc172ea9e46a531b5059814ef4412ff7e69318f7327eb27ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23be74479cd57ccc172ea9e46a531b5059814ef4412ff7e69318f7327eb27ff4", kill_on_drop: false }`
[INFO] [stdout] 23be74479cd57ccc172ea9e46a531b5059814ef4412ff7e69318f7327eb27ff4
[INFO] checking wok_log-0.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate wok_log 0.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate wok_log 0.0.0 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 crates.io crate wok_log 0.0.0
[INFO] finished tweaking crates.io crate wok_log 0.0.0
[INFO] tweaked toml for crates.io crate wok_log 0.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 75a52c4329179c8925e55603955aa6af098d2d0ccd39106b70f7267e3c7a1927
[INFO] running `Command { std: "docker" "start" "-a" "75a52c4329179c8925e55603955aa6af098d2d0ccd39106b70f7267e3c7a1927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a52c4329179c8925e55603955aa6af098d2d0ccd39106b70f7267e3c7a1927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a52c4329179c8925e55603955aa6af098d2d0ccd39106b70f7267e3c7a1927", kill_on_drop: false }`
[INFO] [stdout] 75a52c4329179c8925e55603955aa6af098d2d0ccd39106b70f7267e3c7a1927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a0546ce556c73e79db924a7ee7a9554ef66c9623aabafd75b5199373ff2dc1d8
[INFO] running `Command { std: "docker" "start" "-a" "a0546ce556c73e79db924a7ee7a9554ef66c9623aabafd75b5199373ff2dc1d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[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-0.2.92/src/parser.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 | /                 if input.parse::<Token![=]>().is_ok() {
[INFO] [stdout] 304 | |                     let ident = input.parse::<AnyIdent>()?.0;
[INFO] [stdout] 305 | |                     return Ok(BindgenAttr::$variant(attr_span, Some(ident)))
[INFO] [stdout] 306 | |                 } else {
[INFO] [stdout] 307 | |                     return Ok(BindgenAttr::$variant(attr_span, None));
[INFO] [stdout] 308 | |                 }
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 363 |           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] running `Command { std: "docker" "inspect" "a0546ce556c73e79db924a7ee7a9554ef66c9623aabafd75b5199373ff2dc1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0546ce556c73e79db924a7ee7a9554ef66c9623aabafd75b5199373ff2dc1d8", kill_on_drop: false }`
[INFO] [stdout] a0546ce556c73e79db924a7ee7a9554ef66c9623aabafd75b5199373ff2dc1d8