[INFO] cloning repository https://github.com/benschulz/object-store-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benschulz/object-store-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenschulz%2Fobject-store-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenschulz%2Fobject-store-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2dd8e8239bc1a9649a75d98d4d86b7d365fe2540
[INFO] checking benschulz/object-store-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenschulz%2Fobject-store-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benschulz/object-store-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/benschulz/object-store-rs
[INFO] finished tweaking git repo https://github.com/benschulz/object-store-rs
[INFO] tweaked toml for git repo https://github.com/benschulz/object-store-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/benschulz/object-store-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] bcbc9d70361d48b9baaaeef92eba6a88b7df708306a77342b4b9e227ff56c9e4
[INFO] running `"docker" "start" "-a" "bcbc9d70361d48b9baaaeef92eba6a88b7df708306a77342b4b9e227ff56c9e4"`
[INFO] [stderr]    Compiling quote v0.3.4
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking futures v0.1.2
[INFO] [stderr]     Checking orc v0.1.0 (https://github.com/benschulz/orc.git#8aa3f3b5)
[INFO] [stderr]     Checking nix v0.6.0
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr] error[E0642]: patterns aren't allowed in methods 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]     |                       ^^^^^^^
[INFO] [stderr] 
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bcbc9d70361d48b9baaaeef92eba6a88b7df708306a77342b4b9e227ff56c9e4"`
[INFO] running `"docker" "rm" "-f" "bcbc9d70361d48b9baaaeef92eba6a88b7df708306a77342b4b9e227ff56c9e4"`
[INFO] [stdout] bcbc9d70361d48b9baaaeef92eba6a88b7df708306a77342b4b9e227ff56c9e4