[INFO] crate cargo-tidy 0.1.0 is already in cache
[INFO] extracting crate cargo-tidy 0.1.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/cargo-tidy/0.1.0
[INFO] extracting crate cargo-tidy 0.1.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/cargo-tidy/0.1.0
[INFO] validating manifest of cargo-tidy-0.1.0 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 cargo-tidy-0.1.0 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 cargo-tidy-0.1.0
[INFO] finished frobbing cargo-tidy-0.1.0
[INFO] frobbed toml for cargo-tidy-0.1.0 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/cargo-tidy/0.1.0/Cargo.toml
[INFO] started frobbing cargo-tidy-0.1.0
[INFO] finished frobbing cargo-tidy-0.1.0
[INFO] frobbed toml for cargo-tidy-0.1.0 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/cargo-tidy/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 cargo-tidy-0.1.0 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/reg/cargo-tidy/0.1.0:/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] 23fbacfc7639265e6524f06782c0b1a42dbb65bb9050b81c69ea25e86412da7a
[INFO] running `"docker" "start" "-a" "23fbacfc7639265e6524f06782c0b1a42dbb65bb9050b81c69ea25e86412da7a"`
[INFO] [stderr]     Checking cargo-tidy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |           #[derive(RustcDecodable)]
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 | / make_config! {
[INFO] [stderr] 46 | |     // List of file globs to check.
[INFO] [stderr] 47 | |     //
[INFO] [stderr] 48 | |     // Default: `vec!["**/*.rs"]`, which checks all .rs-files in all directories but nothing else.
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |     },
[INFO] [stderr] 85 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(crater_run)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: `RustcDecodable` is unstable
[INFO] [stderr]   --> src/config.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |           #[derive(RustcDecodable)]
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 | / make_config! {
[INFO] [stderr] 46 | |     // List of file globs to check.
[INFO] [stderr] 47 | |     //
[INFO] [stderr] 48 | |     // Default: `vec!["**/*.rs"]`, which checks all .rs-files in all directories but nothing else.
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |     },
[INFO] [stderr] 85 | | }
[INFO] [stderr]    | |_- in this macro invocation
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cargo-tidy`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `cargo-tidy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "23fbacfc7639265e6524f06782c0b1a42dbb65bb9050b81c69ea25e86412da7a"`
[INFO] running `"docker" "rm" "-f" "23fbacfc7639265e6524f06782c0b1a42dbb65bb9050b81c69ea25e86412da7a"`
[INFO] [stdout] 23fbacfc7639265e6524f06782c0b1a42dbb65bb9050b81c69ea25e86412da7a