[INFO] updating cached repository https://github.com/lofim/rust-todo-backend
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d505e8b1adbc3d5c1f59e1d8304c3b146e0d1bca
[INFO] checking lofim/rust-todo-backend against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flofim%2Frust-todo-backend" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lofim/rust-todo-backend on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lofim/rust-todo-backend
[INFO] finished tweaking git repo https://github.com/lofim/rust-todo-backend
[INFO] tweaked toml for git repo https://github.com/lofim/rust-todo-backend written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/lofim/rust-todo-backend already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e03868453b56822a9b72ee79942c0808f9cdc481fbb1ff5cd5a6d6aa956eee3b
[INFO] running `"docker" "start" "-a" "e03868453b56822a9b72ee79942c0808f9cdc481fbb1ff5cd5a6d6aa956eee3b"`
[INFO] [stderr]     Checking matches v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]    Compiling quote v0.3.13
[INFO] [stderr]     Checking serde v0.8.16
[INFO] [stderr]     Checking serde v0.9.8
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]    Compiling synom v0.11.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stderr]     |
[INFO] [stderr] 147 | ...                   &f_name: &str,
[INFO] [stderr]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stderr] 
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[INFO] [stderr]    Compiling syn v0.11.6
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0642`.
[INFO] [stderr] error: could not compile `rustc-serialize`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e03868453b56822a9b72ee79942c0808f9cdc481fbb1ff5cd5a6d6aa956eee3b"`
[INFO] running `"docker" "rm" "-f" "e03868453b56822a9b72ee79942c0808f9cdc481fbb1ff5cd5a6d6aa956eee3b"`
[INFO] [stdout] e03868453b56822a9b72ee79942c0808f9cdc481fbb1ff5cd5a6d6aa956eee3b