[INFO] updating cached repository 4hiziri/scout
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/4hiziri/scout
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/4hiziri/scout" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/4hiziri/scout"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/4hiziri/scout'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/4hiziri/scout" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/4hiziri/scout"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/4hiziri/scout'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ea3904db9c4634d5ecc18cc2ad124c3156abcaf
[INFO] sha for GitHub repo 4hiziri/scout: 5ea3904db9c4634d5ecc18cc2ad124c3156abcaf
[INFO] validating manifest of 4hiziri/scout 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 4hiziri/scout 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 4hiziri/scout
[INFO] finished frobbing 4hiziri/scout
[INFO] frobbed toml for 4hiziri/scout written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/4hiziri/scout/Cargo.toml
[INFO] started frobbing 4hiziri/scout
[INFO] finished frobbing 4hiziri/scout
[INFO] frobbed toml for 4hiziri/scout written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/4hiziri/scout/Cargo.toml
[INFO] crate 4hiziri/scout 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 4hiziri/scout against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-7/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/4hiziri/scout:/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] 738cf187ef2ac9c3ea248fc6575ace178e92a05d028378671736e1d68ecf4433
[INFO] running `"docker" "start" "-a" "738cf187ef2ac9c3ea248fc6575ace178e92a05d028378671736e1d68ecf4433"`
[INFO] [stderr]     Checking log v0.4.0
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking scout v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/main.rs:25:33
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(Debug, RustcDecodable, RustcEncodable)]
[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:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(Debug, RustcDecodable, RustcEncodable)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:78:19
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let default = env::home_dir()
[INFO] [stderr]    |                   ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcEncodable` is unstable
[INFO] [stderr]   --> src/main.rs:25:33
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(Debug, RustcDecodable, RustcEncodable)]
[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:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(Debug, RustcDecodable, RustcEncodable)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/main.rs:78:19
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let default = env::home_dir()
[INFO] [stderr]    |                   ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `scout`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `scout`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "738cf187ef2ac9c3ea248fc6575ace178e92a05d028378671736e1d68ecf4433"`
[INFO] running `"docker" "rm" "-f" "738cf187ef2ac9c3ea248fc6575ace178e92a05d028378671736e1d68ecf4433"`
[INFO] [stdout] 738cf187ef2ac9c3ea248fc6575ace178e92a05d028378671736e1d68ecf4433