[INFO] crate inkling 0.10.3 is already in cache
[INFO] extracting crate inkling 0.10.3 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/inkling/0.10.3
[INFO] extracting crate inkling 0.10.3 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/inkling/0.10.3
[INFO] validating manifest of inkling-0.10.3 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of inkling-0.10.3 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing inkling-0.10.3
[INFO] finished frobbing inkling-0.10.3
[INFO] frobbed toml for inkling-0.10.3 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/inkling/0.10.3/Cargo.toml
[INFO] started frobbing inkling-0.10.3
[INFO] finished frobbing inkling-0.10.3
[INFO] frobbed toml for inkling-0.10.3 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/inkling/0.10.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking inkling-0.10.3 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/inkling/0.10.3:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 08840982328efac1b21ca54d9a936c56b10363f85555aacb89a99756e5a1068f
[INFO] running `"docker" "start" "-a" "08840982328efac1b21ca54d9a936c56b10363f85555aacb89a99756e5a1068f"`
[INFO] [stderr]     Checking inkling v0.10.3 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Cycle`
[INFO] [stderr]   --> src/line/alternative.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Cycle,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OnceOnly`
[INFO] [stderr]   --> src/line/alternative.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     OnceOnly,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sequence`
[INFO] [stderr]   --> src/line/alternative.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Sequence,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AlternativeBuilder`
[INFO] [stderr]   --> src/line/alternative.rs:99:1
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub struct AlternativeBuilder {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_kind`
[INFO] [stderr]    --> src/line/alternative.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn from_kind(kind: AlternativeKind) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `build`
[INFO] [stderr]    --> src/line/alternative.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn build(self) -> Alternative {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cycle`
[INFO] [stderr]    --> src/line/alternative.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn cycle() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `once_only`
[INFO] [stderr]    --> src/line/alternative.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn once_only() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sequence`
[INFO] [stderr]    --> src/line/alternative.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn sequence() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_line`
[INFO] [stderr]    --> src/line/alternative.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn add_line(&mut self, line: LineChunk) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_line`
[INFO] [stderr]    --> src/line/alternative.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn with_line(mut self, line: LineChunk) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `"docker" "inspect" "08840982328efac1b21ca54d9a936c56b10363f85555aacb89a99756e5a1068f"`
[INFO] running `"docker" "rm" "-f" "08840982328efac1b21ca54d9a936c56b10363f85555aacb89a99756e5a1068f"`
[INFO] [stdout] 08840982328efac1b21ca54d9a936c56b10363f85555aacb89a99756e5a1068f