[INFO] fetching crate zephyrus-macros 0.11.0...
[INFO] checking zephyrus-macros-0.11.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate zephyrus-macros 0.11.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate zephyrus-macros 0.11.0 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 zephyrus-macros 0.11.0
[INFO] finished tweaking crates.io crate zephyrus-macros 0.11.0
[INFO] tweaked toml for crates.io crate zephyrus-macros 0.11.0 written to /workspace/builds/worker-6-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 11 packages
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 73dd0114a5b2b0de292ae909b5c79cc314f1974f6f16b18f96d76b082506dc4c
[INFO] running `Command { std: "docker" "start" "-a" "73dd0114a5b2b0de292ae909b5c79cc314f1974f6f16b18f96d76b082506dc4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73dd0114a5b2b0de292ae909b5c79cc314f1974f6f16b18f96d76b082506dc4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73dd0114a5b2b0de292ae909b5c79cc314f1974f6f16b18f96d76b082506dc4c", kill_on_drop: false }`
[INFO] [stdout] 73dd0114a5b2b0de292ae909b5c79cc314f1974f6f16b18f96d76b082506dc4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 61819d31138e780a90c2cc84f03229d8e8a7216b250856f0ad789ac698cea072
[INFO] running `Command { std: "docker" "start" "-a" "61819d31138e780a90c2cc84f03229d8e8a7216b250856f0ad789ac698cea072", kill_on_drop: false }`
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]     Checking darling v0.20.8
[INFO] [stderr]     Checking zephyrus-macros v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "61819d31138e780a90c2cc84f03229d8e8a7216b250856f0ad789ac698cea072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61819d31138e780a90c2cc84f03229d8e8a7216b250856f0ad789ac698cea072", kill_on_drop: false }`
[INFO] [stdout] 61819d31138e780a90c2cc84f03229d8e8a7216b250856f0ad789ac698cea072
[INFO] checking zephyrus-macros-0.11.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate zephyrus-macros 0.11.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate zephyrus-macros 0.11.0 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 zephyrus-macros 0.11.0
[INFO] finished tweaking crates.io crate zephyrus-macros 0.11.0
[INFO] tweaked toml for crates.io crate zephyrus-macros 0.11.0 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1279c4a1f3cb863bc86ccf047511a698314f57858eddce4dde3831f424f595a0
[INFO] running `Command { std: "docker" "start" "-a" "1279c4a1f3cb863bc86ccf047511a698314f57858eddce4dde3831f424f595a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1279c4a1f3cb863bc86ccf047511a698314f57858eddce4dde3831f424f595a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1279c4a1f3cb863bc86ccf047511a698314f57858eddce4dde3831f424f595a0", kill_on_drop: false }`
[INFO] [stdout] 1279c4a1f3cb863bc86ccf047511a698314f57858eddce4dde3831f424f595a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3b8ce5e8cc81769a5cc7f0f508e3b5467e6f4a72ecff49a5750cc27eaf0e6559
[INFO] running `Command { std: "docker" "start" "-a" "3b8ce5e8cc81769a5cc7f0f508e3b5467e6f4a72ecff49a5750cc27eaf0e6559", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking darling_core v0.20.8
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]     Checking darling v0.20.8
[INFO] [stderr]     Checking zephyrus-macros v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/extractors/list.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Err(darling::Error::too_many_items(SIZE))?;
[INFO] [stdout]    |             ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Err::<T, darling::Error>(darling::Error::too_many_items(SIZE))?;
[INFO] [stdout]    |                +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/extractors/list.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Err(darling::Error::too_many_items(SIZE))?;
[INFO] [stdout]    |             ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Err::<T, darling::Error>(darling::Error::too_many_items(SIZE))?;
[INFO] [stdout]    |                +++++++++++++++++++++
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zephyrus-macros` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zephyrus-macros` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3b8ce5e8cc81769a5cc7f0f508e3b5467e6f4a72ecff49a5750cc27eaf0e6559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8ce5e8cc81769a5cc7f0f508e3b5467e6f4a72ecff49a5750cc27eaf0e6559", kill_on_drop: false }`
[INFO] [stdout] 3b8ce5e8cc81769a5cc7f0f508e3b5467e6f4a72ecff49a5750cc27eaf0e6559