[INFO] updating cached repository neodc/scarlet-data-scraper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/neodc/scarlet-data-scraper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/neodc/scarlet-data-scraper" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/neodc/scarlet-data-scraper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/neodc/scarlet-data-scraper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/neodc/scarlet-data-scraper" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/neodc/scarlet-data-scraper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/neodc/scarlet-data-scraper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc013daf4eaf6813186728731462d06c5508ddb1
[INFO] sha for GitHub repo neodc/scarlet-data-scraper: cc013daf4eaf6813186728731462d06c5508ddb1
[INFO] validating manifest of neodc/scarlet-data-scraper 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 neodc/scarlet-data-scraper 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 neodc/scarlet-data-scraper
[INFO] finished frobbing neodc/scarlet-data-scraper
[INFO] frobbed toml for neodc/scarlet-data-scraper written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/neodc/scarlet-data-scraper/Cargo.toml
[INFO] started frobbing neodc/scarlet-data-scraper
[INFO] finished frobbing neodc/scarlet-data-scraper
[INFO] frobbed toml for neodc/scarlet-data-scraper written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/neodc/scarlet-data-scraper/Cargo.toml
[INFO] crate neodc/scarlet-data-scraper 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking neodc/scarlet-data-scraper against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-2/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/neodc/scarlet-data-scraper:/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] e6662ef87a89c971322b435e94e1fe12ca34b21ebdd5ab7e9526d39d8196f60d
[INFO] running `"docker" "start" "-a" "e6662ef87a89c971322b435e94e1fe12ca34b21ebdd5ab7e9526d39d8196f60d"`
[INFO] [stderr]     Checking atoi v0.2.2
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking twox-hash v1.1.0
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking serde_urlencoded v0.4.3
[INFO] [stderr]     Checking serde_urlencoded v0.3.0
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]     Checking mysql_common v0.2.0
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking reqwest v0.4.0
[INFO] [stderr]     Checking mysql v12.0.3
[INFO] [stderr]     Checking teleborg v0.1.32
[INFO] [stderr]     Checking reqwest v0.2.0
[INFO] [stderr]     Checking scarlet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]  --> src/config.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[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]  --> src/config.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[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 `scarlet`.
[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 `scarlet`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e6662ef87a89c971322b435e94e1fe12ca34b21ebdd5ab7e9526d39d8196f60d"`
[INFO] running `"docker" "rm" "-f" "e6662ef87a89c971322b435e94e1fe12ca34b21ebdd5ab7e9526d39d8196f60d"`
[INFO] [stdout] e6662ef87a89c971322b435e94e1fe12ca34b21ebdd5ab7e9526d39d8196f60d