[INFO] updating cached repository https://github.com/chazelton331/db_to_json_in_rust
[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] 76b3bf09a62a74f0f432db6d597ae75d8de8af2d
[INFO] checking chazelton331/db_to_json_in_rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchazelton331%2Fdb_to_json_in_rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chazelton331/db_to_json_in_rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/chazelton331/db_to_json_in_rust
[INFO] finished tweaking git repo https://github.com/chazelton331/db_to_json_in_rust
[INFO] tweaked toml for git repo https://github.com/chazelton331/db_to_json_in_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/chazelton331/db_to_json_in_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] a43dacd8cdfefbd1ea9be1ba8f11e548716e6ac7673a2e5b6d35c965e99f1d89
[INFO] running `"docker" "start" "-a" "a43dacd8cdfefbd1ea9be1ba8f11e548716e6ac7673a2e5b6d35c965e99f1d89"`
[INFO] [stderr]     Checking num-traits v0.1.35
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking phf_shared v0.7.15
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]     Checking serde v0.8.8
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking bufstream v0.1.2
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[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 phf v0.7.15
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num v0.1.35
[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" "a43dacd8cdfefbd1ea9be1ba8f11e548716e6ac7673a2e5b6d35c965e99f1d89"`
[INFO] running `"docker" "rm" "-f" "a43dacd8cdfefbd1ea9be1ba8f11e548716e6ac7673a2e5b6d35c965e99f1d89"`
[INFO] [stdout] a43dacd8cdfefbd1ea9be1ba8f11e548716e6ac7673a2e5b6d35c965e99f1d89