[INFO] fetching crate prebuild 0.1.0...
[INFO] checking prebuild-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate prebuild 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate prebuild 0.1.0 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 prebuild 0.1.0
[INFO] finished tweaking crates.io crate prebuild 0.1.0
[INFO] tweaked toml for crates.io crate prebuild 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate prebuild 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7e2104f0e3c58cc9a7753badae8e1aa4aff27713d0c49052b945724b58af3614
[INFO] running `Command { std: "docker" "start" "-a" "7e2104f0e3c58cc9a7753badae8e1aa4aff27713d0c49052b945724b58af3614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e2104f0e3c58cc9a7753badae8e1aa4aff27713d0c49052b945724b58af3614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e2104f0e3c58cc9a7753badae8e1aa4aff27713d0c49052b945724b58af3614", kill_on_drop: false }`
[INFO] [stdout] 7e2104f0e3c58cc9a7753badae8e1aa4aff27713d0c49052b945724b58af3614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7c99c57c7c0d4916b24bc6af7ec1c58e5e9bccc88b0f254af6a40e3b812bda29
[INFO] running `Command { std: "docker" "start" "-a" "7c99c57c7c0d4916b24bc6af7ec1c58e5e9bccc88b0f254af6a40e3b812bda29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde_derive v1.0.181
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking deranged v0.3.7
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling cc v1.0.81
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking quick-xml v0.29.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking time v0.3.25
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking plist v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking syntect v5.1.0
[INFO] [stderr]     Checking prebuild v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.57s
[INFO] running `Command { std: "docker" "inspect" "7c99c57c7c0d4916b24bc6af7ec1c58e5e9bccc88b0f254af6a40e3b812bda29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c99c57c7c0d4916b24bc6af7ec1c58e5e9bccc88b0f254af6a40e3b812bda29", kill_on_drop: false }`
[INFO] [stdout] 7c99c57c7c0d4916b24bc6af7ec1c58e5e9bccc88b0f254af6a40e3b812bda29
[INFO] checking prebuild-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate prebuild 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate prebuild 0.1.0 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 prebuild 0.1.0
[INFO] finished tweaking crates.io crate prebuild 0.1.0
[INFO] tweaked toml for crates.io crate prebuild 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate prebuild 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e7e8d3feef0291b0164865b4c0ee585285522220580d5e1f4616fa4512afc158
[INFO] running `Command { std: "docker" "start" "-a" "e7e8d3feef0291b0164865b4c0ee585285522220580d5e1f4616fa4512afc158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e8d3feef0291b0164865b4c0ee585285522220580d5e1f4616fa4512afc158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e8d3feef0291b0164865b4c0ee585285522220580d5e1f4616fa4512afc158", kill_on_drop: false }`
[INFO] [stdout] e7e8d3feef0291b0164865b4c0ee585285522220580d5e1f4616fa4512afc158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e4bd6ef631673ce622aa345b83246fcd5a935f90e4e3e91a28d372b8f3d3dbee
[INFO] running `Command { std: "docker" "start" "-a" "e4bd6ef631673ce622aa345b83246fcd5a935f90e4e3e91a28d372b8f3d3dbee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde_derive v1.0.181
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.181/src/lib_precompiled.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         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" "e4bd6ef631673ce622aa345b83246fcd5a935f90e4e3e91a28d372b8f3d3dbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bd6ef631673ce622aa345b83246fcd5a935f90e4e3e91a28d372b8f3d3dbee", kill_on_drop: false }`
[INFO] [stdout] e4bd6ef631673ce622aa345b83246fcd5a935f90e4e3e91a28d372b8f3d3dbee