[INFO] cloning repository alekratz/not-perl
[INFO] running `"git" "clone" "--bare" "git://github.com/alekratz/not-perl.git" "work/cache/sources/gh/alekratz/not-perl"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/alekratz/not-perl'...
[INFO] running `"git" "clone" "work/cache/sources/gh/alekratz/not-perl" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/alekratz/not-perl"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/alekratz/not-perl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alekratz/not-perl" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/alekratz/not-perl"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/alekratz/not-perl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2a308bceec453c7c1e3f510d69c6f5ddd13c1eb5
[INFO] sha for GitHub repo alekratz/not-perl: 2a308bceec453c7c1e3f510d69c6f5ddd13c1eb5
[INFO] validating manifest of alekratz/not-perl on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alekratz/not-perl on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alekratz/not-perl
[INFO] finished frobbing alekratz/not-perl
[INFO] frobbed toml for alekratz/not-perl written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/alekratz/not-perl/Cargo.toml
[INFO] started frobbing alekratz/not-perl
[INFO] finished frobbing alekratz/not-perl
[INFO] frobbed toml for alekratz/not-perl written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/alekratz/not-perl/Cargo.toml
[INFO] crate alekratz/not-perl already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking alekratz/not-perl against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/alekratz/not-perl:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 93721148639be848134d37f377adf2c3b19d46d909a280e34b3cd764c5804d2b
[INFO] running `"docker" "start" "-a" "93721148639be848134d37f377adf2c3b19d46d909a280e34b3cd764c5804d2b"`
[INFO] [stderr]    Compiling enum-methods v0.0.8
[INFO] [stderr]     Checking not-perl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/syntax/lexer.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |             '0' ... '9' => Some(self.next_numeric_token()),
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IrTree` is imported redundantly
[INFO] [stderr]    --> src/compile/state.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 10  | use ir::*;
[INFO] [stderr]     |     ----- the item `IrTree` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 114 |         use ir::IrTree;
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/syntax/lexer.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |             '0' ... '9' => Some(self.next_numeric_token()),
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `IrTree` is imported redundantly
[INFO] [stderr]    --> src/compile/state.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 10  | use ir::*;
[INFO] [stderr]     |     ----- the item `IrTree` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 114 |         use ir::IrTree;
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ir/action.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 let mut elseif_action_blocks = elseif_blocks.iter()
[INFO] [stderr]    |                     ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ir/action.rs:48:21
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 let mut elseif_action_blocks = elseif_blocks.iter()
[INFO] [stderr]    |                     ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             write!(stdout, " > ");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             write!(stdout, " > ");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `"docker" "inspect" "93721148639be848134d37f377adf2c3b19d46d909a280e34b3cd764c5804d2b"`
[INFO] running `"docker" "rm" "-f" "93721148639be848134d37f377adf2c3b19d46d909a280e34b3cd764c5804d2b"`
[INFO] [stdout] 93721148639be848134d37f377adf2c3b19d46d909a280e34b3cd764c5804d2b