[INFO] fetching crate conta 0.0.0...
[INFO] checking conta-0.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate conta 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate conta 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 conta 0.0.0
[INFO] finished tweaking crates.io crate conta 0.0.0
[INFO] tweaked toml for crates.io crate conta 0.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate conta 0.0.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.181
[INFO] [stderr]   Downloaded cc v1.0.81
[INFO] [stderr]   Downloaded rustix v0.38.6
[INFO] [stderr]   Downloaded serde_derive v1.0.181
[INFO] [stderr]   Downloaded winnow v0.5.3
[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] 6df1cd50fa1445c70569c795930414a79d0a1cfdea702d54d8f8832c45487b76
[INFO] running `Command { std: "docker" "start" "-a" "6df1cd50fa1445c70569c795930414a79d0a1cfdea702d54d8f8832c45487b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df1cd50fa1445c70569c795930414a79d0a1cfdea702d54d8f8832c45487b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df1cd50fa1445c70569c795930414a79d0a1cfdea702d54d8f8832c45487b76", kill_on_drop: false }`
[INFO] [stdout] 6df1cd50fa1445c70569c795930414a79d0a1cfdea702d54d8f8832c45487b76
[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] 4180df3f9fd8e73f747373facdd2a7f282c0242fd87d49b72914c23e71d5d656
[INFO] running `Command { std: "docker" "start" "-a" "4180df3f9fd8e73f747373facdd2a7f282c0242fd87d49b72914c23e71d5d656", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]    Compiling serde_derive v1.0.181
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking winnow v0.5.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking cargo-platform v0.1.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking thiserror v1.0.44
[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking conta v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "4180df3f9fd8e73f747373facdd2a7f282c0242fd87d49b72914c23e71d5d656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4180df3f9fd8e73f747373facdd2a7f282c0242fd87d49b72914c23e71d5d656", kill_on_drop: false }`
[INFO] [stdout] 4180df3f9fd8e73f747373facdd2a7f282c0242fd87d49b72914c23e71d5d656
[INFO] checking conta-0.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate conta 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate conta 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 conta 0.0.0
[INFO] finished tweaking crates.io crate conta 0.0.0
[INFO] tweaked toml for crates.io crate conta 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate conta 0.0.0 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-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] 7aa16bae3e9e1281c166638a285f397ce2fee0bb12c74ac5a632f587f44313a4
[INFO] running `Command { std: "docker" "start" "-a" "7aa16bae3e9e1281c166638a285f397ce2fee0bb12c74ac5a632f587f44313a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aa16bae3e9e1281c166638a285f397ce2fee0bb12c74ac5a632f587f44313a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa16bae3e9e1281c166638a285f397ce2fee0bb12c74ac5a632f587f44313a4", kill_on_drop: false }`
[INFO] [stdout] 7aa16bae3e9e1281c166638a285f397ce2fee0bb12c74ac5a632f587f44313a4
[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] 0cfa7fc3cd7fbabb0a0c5fffffbc36db2467173afb6136205f8a300443b9a697
[INFO] running `Command { std: "docker" "start" "-a" "0cfa7fc3cd7fbabb0a0c5fffffbc36db2467173afb6136205f8a300443b9a697", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]    Compiling serde_derive v1.0.181
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling syn v2.0.28
[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] [stderr]     Checking anstyle v1.0.1
[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" "0cfa7fc3cd7fbabb0a0c5fffffbc36db2467173afb6136205f8a300443b9a697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cfa7fc3cd7fbabb0a0c5fffffbc36db2467173afb6136205f8a300443b9a697", kill_on_drop: false }`
[INFO] [stdout] 0cfa7fc3cd7fbabb0a0c5fffffbc36db2467173afb6136205f8a300443b9a697