[INFO] fetching crate local-reconstruction-code-gen 0.1.0...
[INFO] checking local-reconstruction-code-gen-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate local-reconstruction-code-gen 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate local-reconstruction-code-gen 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 local-reconstruction-code-gen 0.1.0
[INFO] finished tweaking crates.io crate local-reconstruction-code-gen 0.1.0
[INFO] tweaked toml for crates.io crate local-reconstruction-code-gen 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate local-reconstruction-code-gen 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded g2poly v0.4.0
[INFO] [stderr]   Downloaded g2p v0.4.0
[INFO] [stderr]   Downloaded g2gen v0.4.0
[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] 73b93a9e76bacd15a58804d6e332e40b0b929008b6b8429ec397fbe9c3d1a94b
[INFO] running `Command { std: "docker" "start" "-a" "73b93a9e76bacd15a58804d6e332e40b0b929008b6b8429ec397fbe9c3d1a94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73b93a9e76bacd15a58804d6e332e40b0b929008b6b8429ec397fbe9c3d1a94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b93a9e76bacd15a58804d6e332e40b0b929008b6b8429ec397fbe9c3d1a94b", kill_on_drop: false }`
[INFO] [stdout] 73b93a9e76bacd15a58804d6e332e40b0b929008b6b8429ec397fbe9c3d1a94b
[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] 3d258080ec51624e865e383c5cee5d580f5992b3437bb9d1f1eec4783c2c21dd
[INFO] running `Command { std: "docker" "start" "-a" "3d258080ec51624e865e383c5cee5d580f5992b3437bb9d1f1eec4783c2c21dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling g2poly v0.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling g2gen v0.4.0
[INFO] [stderr]     Checking g2p v0.4.0
[INFO] [stderr]     Checking local-reconstruction-code-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "3d258080ec51624e865e383c5cee5d580f5992b3437bb9d1f1eec4783c2c21dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d258080ec51624e865e383c5cee5d580f5992b3437bb9d1f1eec4783c2c21dd", kill_on_drop: false }`
[INFO] [stdout] 3d258080ec51624e865e383c5cee5d580f5992b3437bb9d1f1eec4783c2c21dd
[INFO] checking local-reconstruction-code-gen-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate local-reconstruction-code-gen 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate local-reconstruction-code-gen 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 local-reconstruction-code-gen 0.1.0
[INFO] finished tweaking crates.io crate local-reconstruction-code-gen 0.1.0
[INFO] tweaked toml for crates.io crate local-reconstruction-code-gen 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate local-reconstruction-code-gen 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] 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] f90df4fbadfa841a56495873c39e1be87520d97203c89639606f4e12dbcf759f
[INFO] running `Command { std: "docker" "start" "-a" "f90df4fbadfa841a56495873c39e1be87520d97203c89639606f4e12dbcf759f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f90df4fbadfa841a56495873c39e1be87520d97203c89639606f4e12dbcf759f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90df4fbadfa841a56495873c39e1be87520d97203c89639606f4e12dbcf759f", kill_on_drop: false }`
[INFO] [stdout] f90df4fbadfa841a56495873c39e1be87520d97203c89639606f4e12dbcf759f
[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] f97350df3f4e297cfb558e1185f6250717940b6a6f1348dfceecddedf9ae5ef0
[INFO] running `Command { std: "docker" "start" "-a" "f97350df3f4e297cfb558e1185f6250717940b6a6f1348dfceecddedf9ae5ef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling g2poly v0.4.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling g2gen v0.4.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/g2gen-0.4.0/src/lib.rs:457:13
[INFO] [stdout]     |
[INFO] [stdout] 457 |             Err(syn::Error::new(syn::export::Span::call_site(), format!("Modulus {} is not irreducible", modulus)))?;
[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] 457 |             Err::<T, syn::Error>(syn::Error::new(syn::export::Span::call_site(), format!("Modulus {} is not irreducible", modulus)))?;
[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 `g2gen` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f97350df3f4e297cfb558e1185f6250717940b6a6f1348dfceecddedf9ae5ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97350df3f4e297cfb558e1185f6250717940b6a6f1348dfceecddedf9ae5ef0", kill_on_drop: false }`
[INFO] [stdout] f97350df3f4e297cfb558e1185f6250717940b6a6f1348dfceecddedf9ae5ef0