[INFO] updating cached repository foo-jin/aoc-tools
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/foo-jin/aoc-tools
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/foo-jin/aoc-tools" "work/ex/clippy-test-run/sources/stable/gh/foo-jin/aoc-tools"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/foo-jin/aoc-tools'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/foo-jin/aoc-tools" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/foo-jin/aoc-tools"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/foo-jin/aoc-tools'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a871db344ce5f6c3d34ca4fd447033fbdff7b36d
[INFO] sha for GitHub repo foo-jin/aoc-tools: a871db344ce5f6c3d34ca4fd447033fbdff7b36d
[INFO] validating manifest of foo-jin/aoc-tools on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of foo-jin/aoc-tools on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing foo-jin/aoc-tools
[INFO] finished frobbing foo-jin/aoc-tools
[INFO] frobbed toml for foo-jin/aoc-tools written to work/ex/clippy-test-run/sources/stable/gh/foo-jin/aoc-tools/Cargo.toml
[INFO] started frobbing foo-jin/aoc-tools
[INFO] finished frobbing foo-jin/aoc-tools
[INFO] frobbed toml for foo-jin/aoc-tools written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/foo-jin/aoc-tools/Cargo.toml
[INFO] crate foo-jin/aoc-tools has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting foo-jin/aoc-tools against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/foo-jin/aoc-tools:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7258bc7818e52cd4c0490833c8e15fa280487b94b58831853e52250c0435c506
[INFO] running `"docker" "start" "-a" "7258bc7818e52cd4c0490833c8e15fa280487b94b58831853e52250c0435c506"`
[INFO] [stderr]    Compiling encoding_rs v0.8.11
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking encode_unicode v0.3.5
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking memchr v2.1.1
[INFO] [stderr]     Checking tendril v0.4.0
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking promptly v0.1.5
[INFO] [stderr]    Compiling selectors v0.20.0
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking hyper v0.12.14
[INFO] [stderr]    Compiling cssparser v0.24.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling markup5ever v0.7.3
[INFO] [stderr]     Checking scraper v0.8.1
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `aoc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `aoc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7258bc7818e52cd4c0490833c8e15fa280487b94b58831853e52250c0435c506"`
[INFO] running `"docker" "rm" "-f" "7258bc7818e52cd4c0490833c8e15fa280487b94b58831853e52250c0435c506"`
[INFO] [stdout] 7258bc7818e52cd4c0490833c8e15fa280487b94b58831853e52250c0435c506