[INFO] updating cached repository whbboyd/backup
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/whbboyd/backup
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/whbboyd/backup" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/whbboyd/backup"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/whbboyd/backup'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/whbboyd/backup" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/whbboyd/backup"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/whbboyd/backup'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c017ef861f0861ab01f79fdbb7c05c5dc0b34b7
[INFO] sha for GitHub repo whbboyd/backup: 9c017ef861f0861ab01f79fdbb7c05c5dc0b34b7
[INFO] validating manifest of whbboyd/backup 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 whbboyd/backup 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 whbboyd/backup
[INFO] finished frobbing whbboyd/backup
[INFO] frobbed toml for whbboyd/backup written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/whbboyd/backup/Cargo.toml
[INFO] started frobbing whbboyd/backup
[INFO] finished frobbing whbboyd/backup
[INFO] frobbed toml for whbboyd/backup written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/whbboyd/backup/Cargo.toml
[INFO] crate whbboyd/backup 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 whbboyd/backup against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-1/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/whbboyd/backup:/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] 13839dd222f7e7e72306011a514b75d45f9f10726273acb7e70a311bafc6b1fc
[INFO] running `"docker" "start" "-a" "13839dd222f7e7e72306011a514b75d45f9f10726273acb7e70a311bafc6b1fc"`
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]    Compiling pkg-config v0.3.7
[INFO] [stderr]    Compiling gcc v0.3.25
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking regex-syntax v0.2.5
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking memchr v0.1.10
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking walkdir v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.5.1
[INFO] [stderr]     Checking tar v0.4.4
[INFO] [stderr]     Checking regex v0.1.54
[INFO] [stderr]    Compiling libz-sys v1.0.1
[INFO] [stderr]    Compiling rust-crypto v0.2.34
[INFO] [stderr]     Checking flate2 v0.2.13
[INFO] [stderr]     Checking docopt v0.6.78
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking backup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/main.rs:62:16
[INFO] [stderr]    |
[INFO] [stderr] 62 | #[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/main.rs:62:16
[INFO] [stderr]    |
[INFO] [stderr] 62 | #[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `backup`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `backup`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "13839dd222f7e7e72306011a514b75d45f9f10726273acb7e70a311bafc6b1fc"`
[INFO] running `"docker" "rm" "-f" "13839dd222f7e7e72306011a514b75d45f9f10726273acb7e70a311bafc6b1fc"`
[INFO] [stdout] 13839dd222f7e7e72306011a514b75d45f9f10726273acb7e70a311bafc6b1fc