[INFO] cloning repository lcolaholicl/toucan
[INFO] running `"git" "clone" "--bare" "git://github.com/lcolaholicl/toucan.git" "work/cache/sources/gh/lcolaholicl/toucan"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lcolaholicl/toucan'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lcolaholicl/toucan" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lcolaholicl/toucan"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lcolaholicl/toucan'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lcolaholicl/toucan" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/lcolaholicl/toucan"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/lcolaholicl/toucan'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e801eb72be473ac3a539b3785e13d31e9f73cfcd
[INFO] sha for GitHub repo lcolaholicl/toucan: e801eb72be473ac3a539b3785e13d31e9f73cfcd
[INFO] validating manifest of lcolaholicl/toucan on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lcolaholicl/toucan on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lcolaholicl/toucan
[INFO] finished frobbing lcolaholicl/toucan
[INFO] frobbed toml for lcolaholicl/toucan written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lcolaholicl/toucan/Cargo.toml
[INFO] started frobbing lcolaholicl/toucan
[INFO] finished frobbing lcolaholicl/toucan
[INFO] frobbed toml for lcolaholicl/toucan written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/lcolaholicl/toucan/Cargo.toml
[INFO] crate lcolaholicl/toucan already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lcolaholicl/toucan against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/lcolaholicl/toucan:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7253572a8a312cc9cd04a7b6ea6c1a5dc96bd371741b8d5f836aec601504114a
[INFO] running `"docker" "start" "-a" "7253572a8a312cc9cd04a7b6ea6c1a5dc96bd371741b8d5f836aec601504114a"`
[INFO] [stderr]     Checking toucan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:94:16
[INFO] [stderr]    |
[INFO] [stderr] 94 |             '0'...'9' => self.lex_number(),
[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: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:94:16
[INFO] [stderr]    |
[INFO] [stderr] 94 |             '0'...'9' => self.lex_number(),
[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: method is never used: `number`
[INFO] [stderr]   --> src/lexer.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn number(num: Number, loc: Location) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `symbol`
[INFO] [stderr]   --> src/lexer.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn symbol(sym: Symbol, loc: Location) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `merge`
[INFO] [stderr]   --> src/property.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub(crate) fn merge(&self, other: &Self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     if let Some(file) = matches.value_of("FILE") {
[INFO] [stderr]   |                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]  --> src/main.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     if let Some(file) = matches.value_of("FILE") {
[INFO] [stderr]   |                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "7253572a8a312cc9cd04a7b6ea6c1a5dc96bd371741b8d5f836aec601504114a"`
[INFO] running `"docker" "rm" "-f" "7253572a8a312cc9cd04a7b6ea6c1a5dc96bd371741b8d5f836aec601504114a"`
[INFO] [stdout] 7253572a8a312cc9cd04a7b6ea6c1a5dc96bd371741b8d5f836aec601504114a