[INFO] updating cached repository caldwell/http-log-to-statsd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/caldwell/http-log-to-statsd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/caldwell/http-log-to-statsd" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/caldwell/http-log-to-statsd"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/caldwell/http-log-to-statsd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/caldwell/http-log-to-statsd" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/caldwell/http-log-to-statsd"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/caldwell/http-log-to-statsd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] edfe746898eb08df083bbe37790808df39c3d165
[INFO] sha for GitHub repo caldwell/http-log-to-statsd: edfe746898eb08df083bbe37790808df39c3d165
[INFO] validating manifest of caldwell/http-log-to-statsd on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of caldwell/http-log-to-statsd on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing caldwell/http-log-to-statsd
[INFO] finished frobbing caldwell/http-log-to-statsd
[INFO] frobbed toml for caldwell/http-log-to-statsd written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/caldwell/http-log-to-statsd/Cargo.toml
[INFO] started frobbing caldwell/http-log-to-statsd
[INFO] finished frobbing caldwell/http-log-to-statsd
[INFO] frobbed toml for caldwell/http-log-to-statsd written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/caldwell/http-log-to-statsd/Cargo.toml
[INFO] crate caldwell/http-log-to-statsd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking caldwell/http-log-to-statsd against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-5/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/caldwell/http-log-to-statsd:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5b76bb1714527290746a3af41433fa60a3f8aa44ad573080053afd14d877610a
[INFO] running `"docker" "start" "-a" "5b76bb1714527290746a3af41433fa60a3f8aa44ad573080053afd14d877610a"`
[INFO] [stderr]     Checking cadence v0.8.2
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking http-log-to-statsd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> http-log-to-statsd.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[derive(Debug, RustcDecodable)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> http-log-to-statsd.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[derive(Debug, RustcDecodable)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `http-log-to-statsd`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `http-log-to-statsd`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5b76bb1714527290746a3af41433fa60a3f8aa44ad573080053afd14d877610a"`
[INFO] running `"docker" "rm" "-f" "5b76bb1714527290746a3af41433fa60a3f8aa44ad573080053afd14d877610a"`
[INFO] [stdout] 5b76bb1714527290746a3af41433fa60a3f8aa44ad573080053afd14d877610a