[INFO] cloning repository https://github.com/wynddao/wynd-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wynddao/wynd-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwynddao%2Fwynd-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwynddao%2Fwynd-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1697b5c7fa942d7d5fcab21845a2ff6998e1d1a8
[INFO] building wynddao/wynd-gen against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwynddao%2Fwynd-gen" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wynddao/wynd-gen on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wynddao/wynd-gen
[INFO] finished tweaking git repo https://github.com/wynddao/wynd-gen
[INFO] tweaked toml for git repo https://github.com/wynddao/wynd-gen written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wynddao/wynd-gen 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e24c88f91787edd4ebc21a1dd9e8b2750c27616d8d7b11c85aa8fbfff50106c
[INFO] running `Command { std: "docker" "start" "-a" "4e24c88f91787edd4ebc21a1dd9e8b2750c27616d8d7b11c85aa8fbfff50106c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e24c88f91787edd4ebc21a1dd9e8b2750c27616d8d7b11c85aa8fbfff50106c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e24c88f91787edd4ebc21a1dd9e8b2750c27616d8d7b11c85aa8fbfff50106c", kill_on_drop: false }`
[INFO] [stdout] 4e24c88f91787edd4ebc21a1dd9e8b2750c27616d8d7b11c85aa8fbfff50106c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df4685740584844aa093859a1a77aed9932c271ee7db520a0f587455280c14f5
[INFO] running `Command { std: "docker" "start" "-a" "df4685740584844aa093859a1a77aed9932c271ee7db520a0f587455280c14f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling const-oid v0.9.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling base64ct v1.5.2
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling keccak v0.1.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "df4685740584844aa093859a1a77aed9932c271ee7db520a0f587455280c14f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4685740584844aa093859a1a77aed9932c271ee7db520a0f587455280c14f5", kill_on_drop: false }`
[INFO] [stdout] df4685740584844aa093859a1a77aed9932c271ee7db520a0f587455280c14f5