[INFO] updating cached repository matt-williams/enum-from-derive
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matt-williams/enum-from-derive
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matt-williams/enum-from-derive" "work/ex/clippy-test-run/sources/stable/gh/matt-williams/enum-from-derive"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/matt-williams/enum-from-derive'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matt-williams/enum-from-derive" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matt-williams/enum-from-derive"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matt-williams/enum-from-derive'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3335f2976aabda0dadd3b4e349efaa765c631798
[INFO] sha for GitHub repo matt-williams/enum-from-derive: 3335f2976aabda0dadd3b4e349efaa765c631798
[INFO] validating manifest of matt-williams/enum-from-derive 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 matt-williams/enum-from-derive 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 matt-williams/enum-from-derive
[INFO] finished frobbing matt-williams/enum-from-derive
[INFO] frobbed toml for matt-williams/enum-from-derive written to work/ex/clippy-test-run/sources/stable/gh/matt-williams/enum-from-derive/Cargo.toml
[INFO] started frobbing matt-williams/enum-from-derive
[INFO] finished frobbing matt-williams/enum-from-derive
[INFO] frobbed toml for matt-williams/enum-from-derive written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/matt-williams/enum-from-derive/Cargo.toml
[INFO] crate matt-williams/enum-from-derive 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 matt-williams/enum-from-derive against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/matt-williams/enum-from-derive:/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] 6813a533cb37b70f7da9abc78c2f68cb80a20fe421524f7db2213eb07badf923
[INFO] running `"docker" "start" "-a" "6813a533cb37b70f7da9abc78c2f68cb80a20fe421524f7db2213eb07badf923"`
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking quote v0.3.12
[INFO] [stderr]     Checking try_from v0.2.1
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]     Checking enum-from-derive v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you probably are missing some parameter in your format string
[INFO] [stderr]   --> src/lib.rs:20:78
[INFO] [stderr]    |
[INFO] [stderr] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit values")))
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::panic_params)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#panic_params
[INFO] [stderr] 
[INFO] [stderr] warning: you probably are missing some parameter in your format string
[INFO] [stderr]   --> src/lib.rs:50:78
[INFO] [stderr]    |
[INFO] [stderr] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit values")))
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#panic_params
[INFO] [stderr] 
[INFO] [stderr] warning: you probably are missing some parameter in your format string
[INFO] [stderr]   --> src/lib.rs:20:78
[INFO] [stderr]    |
[INFO] [stderr] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit values")))
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::panic_params)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#panic_params
[INFO] [stderr] 
[INFO] [stderr] warning: you probably are missing some parameter in your format string
[INFO] [stderr]   --> src/lib.rs:50:78
[INFO] [stderr]    |
[INFO] [stderr] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit values")))
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#panic_params
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `"docker" "inspect" "6813a533cb37b70f7da9abc78c2f68cb80a20fe421524f7db2213eb07badf923"`
[INFO] running `"docker" "rm" "-f" "6813a533cb37b70f7da9abc78c2f68cb80a20fe421524f7db2213eb07badf923"`
[INFO] [stdout] 6813a533cb37b70f7da9abc78c2f68cb80a20fe421524f7db2213eb07badf923