[INFO] crate polly 0.1.2 is already in cache
[INFO] extracting crate polly 0.1.2 into work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/polly/0.1.2
[INFO] extracting crate polly 0.1.2 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/polly/0.1.2
[INFO] validating manifest of polly-0.1.2 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of polly-0.1.2 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing polly-0.1.2
[INFO] finished frobbing polly-0.1.2
[INFO] frobbed toml for polly-0.1.2 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/polly/0.1.2/Cargo.toml
[INFO] started frobbing polly-0.1.2
[INFO] finished frobbing polly-0.1.2
[INFO] frobbed toml for polly-0.1.2 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/polly/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking polly-0.1.2 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/polly/0.1.2:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0bd941f883a2cf029b6b7ae717209e6724d0600f0aa71a1bdbfe32ed95d8f403
[INFO] running `"docker" "start" "-a" "0bd941f883a2cf029b6b7ae717209e6724d0600f0aa71a1bdbfe32ed95d8f403"`
[INFO] [stderr]     Checking serde_json v0.6.1
[INFO] [stderr]     Checking polly v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/compiler/parser.rs:189:60
[INFO] [stderr]     |
[INFO] [stderr] 189 |                                         return Ok(CompCall((ComponentCall::from_component(component))));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:275:49
[INFO] [stderr]     |
[INFO] [stderr] 275 |                                                 return unexpected_eof!(Symbol(index, Equals));
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:285:45
[INFO] [stderr]     |
[INFO] [stderr] 285 |                                     None => return unexpected_eof!(Word(index, key)),
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/compiler/parser.rs:189:60
[INFO] [stderr]     |
[INFO] [stderr] 189 |                                         return Ok(CompCall((ComponentCall::from_component(component))));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:275:49
[INFO] [stderr]     |
[INFO] [stderr] 275 |                                                 return unexpected_eof!(Symbol(index, Equals));
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:285:45
[INFO] [stderr]     |
[INFO] [stderr] 285 |                                     None => return unexpected_eof!(Word(index, key)),
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `"docker" "inspect" "0bd941f883a2cf029b6b7ae717209e6724d0600f0aa71a1bdbfe32ed95d8f403"`
[INFO] running `"docker" "rm" "-f" "0bd941f883a2cf029b6b7ae717209e6724d0600f0aa71a1bdbfe32ed95d8f403"`
[INFO] [stdout] 0bd941f883a2cf029b6b7ae717209e6724d0600f0aa71a1bdbfe32ed95d8f403