[INFO] fetching crate cargo-advrunner 0.2.0...
[INFO] checking cargo-advrunner-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo-advrunner 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cargo-advrunner 0.2.0 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 cargo-advrunner 0.2.0
[INFO] finished tweaking crates.io crate cargo-advrunner 0.2.0
[INFO] tweaked toml for crates.io crate cargo-advrunner 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-advrunner 0.2.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.72
[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded quote v1.0.31
[INFO] [stderr]   Downloaded duct v0.13.6
[INFO] [stderr]   Downloaded serde v1.0.174
[INFO] [stderr]   Downloaded winnow v0.5.0
[INFO] [stderr]   Downloaded serde_derive v1.0.174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 84554bf99d8111fc1e54225f6379814b66344e46f9fef5f1e96e63ff9f1c5cf1
[INFO] running `Command { std: "docker" "start" "-a" "84554bf99d8111fc1e54225f6379814b66344e46f9fef5f1e96e63ff9f1c5cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84554bf99d8111fc1e54225f6379814b66344e46f9fef5f1e96e63ff9f1c5cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84554bf99d8111fc1e54225f6379814b66344e46f9fef5f1e96e63ff9f1c5cf1", kill_on_drop: false }`
[INFO] [stdout] 84554bf99d8111fc1e54225f6379814b66344e46f9fef5f1e96e63ff9f1c5cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d01b59e53e5c87f8516704ab1cec0dd49a7eec7506c31e6c36218860ec365491
[INFO] running `Command { std: "docker" "start" "-a" "d01b59e53e5c87f8516704ab1cec0dd49a7eec7506c31e6c36218860ec365491", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking winnow v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking shared_child v1.0.0
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking duct v0.13.6
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking cargo-advrunner v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "d01b59e53e5c87f8516704ab1cec0dd49a7eec7506c31e6c36218860ec365491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01b59e53e5c87f8516704ab1cec0dd49a7eec7506c31e6c36218860ec365491", kill_on_drop: false }`
[INFO] [stdout] d01b59e53e5c87f8516704ab1cec0dd49a7eec7506c31e6c36218860ec365491
[INFO] checking cargo-advrunner-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cargo-advrunner 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate cargo-advrunner 0.2.0 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 cargo-advrunner 0.2.0
[INFO] finished tweaking crates.io crate cargo-advrunner 0.2.0
[INFO] tweaked toml for crates.io crate cargo-advrunner 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-advrunner 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 874e873088dab467aea84df42704c72935a99529d7acd81adaf8fefdfdd3599c
[INFO] running `Command { std: "docker" "start" "-a" "874e873088dab467aea84df42704c72935a99529d7acd81adaf8fefdfdd3599c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "874e873088dab467aea84df42704c72935a99529d7acd81adaf8fefdfdd3599c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874e873088dab467aea84df42704c72935a99529d7acd81adaf8fefdfdd3599c", kill_on_drop: false }`
[INFO] [stdout] 874e873088dab467aea84df42704c72935a99529d7acd81adaf8fefdfdd3599c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ccee230c3e27f977661543164f7f27d3a3209d8d336a8c5142d5ec39fd16d98c
[INFO] running `Command { std: "docker" "start" "-a" "ccee230c3e27f977661543164f7f27d3a3209d8d336a8c5142d5ec39fd16d98c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking winnow v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.174/src/lib_precompiled.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ccee230c3e27f977661543164f7f27d3a3209d8d336a8c5142d5ec39fd16d98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccee230c3e27f977661543164f7f27d3a3209d8d336a8c5142d5ec39fd16d98c", kill_on_drop: false }`
[INFO] [stdout] ccee230c3e27f977661543164f7f27d3a3209d8d336a8c5142d5ec39fd16d98c