[INFO] fetching crate cargo-unlock 1.0.8...
[INFO] checking cargo-unlock-1.0.8 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo-unlock 1.0.8 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cargo-unlock 1.0.8 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-unlock 1.0.8
[INFO] finished tweaking crates.io crate cargo-unlock 1.0.8
[INFO] tweaked toml for crates.io crate cargo-unlock 1.0.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-unlock 1.0.8 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 cargo-subcommand-metadata v0.1.0
[INFO] [stderr]   Downloaded cc v1.0.81
[INFO] [stderr]   Downloaded rustix v0.38.6
[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] 2e307ebaabe602ddb92cfb791d491e4ca70bb76a72944e188587afe5aeb1c4f5
[INFO] running `Command { std: "docker" "start" "-a" "2e307ebaabe602ddb92cfb791d491e4ca70bb76a72944e188587afe5aeb1c4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e307ebaabe602ddb92cfb791d491e4ca70bb76a72944e188587afe5aeb1c4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e307ebaabe602ddb92cfb791d491e4ca70bb76a72944e188587afe5aeb1c4f5", kill_on_drop: false }`
[INFO] [stdout] 2e307ebaabe602ddb92cfb791d491e4ca70bb76a72944e188587afe5aeb1c4f5
[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] cae66ffce471faecb0714aa0de4e522b839554a9af61ed2937cb0ec7c946c3cf
[INFO] running `Command { std: "docker" "start" "-a" "cae66ffce471faecb0714aa0de4e522b839554a9af61ed2937cb0ec7c946c3cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking cargo-subcommand-metadata v0.1.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking terminal_size v0.2.6
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking cargo-unlock v1.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "cae66ffce471faecb0714aa0de4e522b839554a9af61ed2937cb0ec7c946c3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae66ffce471faecb0714aa0de4e522b839554a9af61ed2937cb0ec7c946c3cf", kill_on_drop: false }`
[INFO] [stdout] cae66ffce471faecb0714aa0de4e522b839554a9af61ed2937cb0ec7c946c3cf
[INFO] checking cargo-unlock-1.0.8 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cargo-unlock 1.0.8 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate cargo-unlock 1.0.8 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-unlock 1.0.8
[INFO] finished tweaking crates.io crate cargo-unlock 1.0.8
[INFO] tweaked toml for crates.io crate cargo-unlock 1.0.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-unlock 1.0.8 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-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] cc207bcc9aa7a657f5464b77d2f5f2af64ff90f2812ced6b6bf2472c6bfcad16
[INFO] running `Command { std: "docker" "start" "-a" "cc207bcc9aa7a657f5464b77d2f5f2af64ff90f2812ced6b6bf2472c6bfcad16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc207bcc9aa7a657f5464b77d2f5f2af64ff90f2812ced6b6bf2472c6bfcad16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc207bcc9aa7a657f5464b77d2f5f2af64ff90f2812ced6b6bf2472c6bfcad16", kill_on_drop: false }`
[INFO] [stdout] cc207bcc9aa7a657f5464b77d2f5f2af64ff90f2812ced6b6bf2472c6bfcad16
[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] b8c4e694ae633c7e47a7f5b221e77ffd1711802a7a3e900d4ce3b2bad51b4f28
[INFO] running `Command { std: "docker" "start" "-a" "b8c4e694ae633c7e47a7f5b221e77ffd1711802a7a3e900d4ce3b2bad51b4f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.181
[INFO] [stderr]     Checking cargo-subcommand-metadata v0.1.0
[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" "b8c4e694ae633c7e47a7f5b221e77ffd1711802a7a3e900d4ce3b2bad51b4f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c4e694ae633c7e47a7f5b221e77ffd1711802a7a3e900d4ce3b2bad51b4f28", kill_on_drop: false }`
[INFO] [stdout] b8c4e694ae633c7e47a7f5b221e77ffd1711802a7a3e900d4ce3b2bad51b4f28