[INFO] crate named-block 0.3.1 is already in cache [INFO] extracting crate named-block 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/named-block/0.3.1 [INFO] extracting crate named-block 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/named-block/0.3.1 [INFO] validating manifest of named-block-0.3.1 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of named-block-0.3.1 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing named-block-0.3.1 [INFO] finished frobbing named-block-0.3.1 [INFO] frobbed toml for named-block-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/named-block/0.3.1/Cargo.toml [INFO] started frobbing named-block-0.3.1 [INFO] finished frobbing named-block-0.3.1 [INFO] frobbed toml for named-block-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/named-block/0.3.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing named-block-0.3.1 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/named-block/0.3.1:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 9b0d8a750a1376a32dc44d89fc9103141650c49f10fb9bd488fc885a5ff098dd [INFO] running `"docker" "start" "-a" "9b0d8a750a1376a32dc44d89fc9103141650c49f10fb9bd488fc885a5ff098dd"` [INFO] [stderr] Compiling named-block v0.3.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `"docker" "inspect" "9b0d8a750a1376a32dc44d89fc9103141650c49f10fb9bd488fc885a5ff098dd"` [INFO] running `"docker" "rm" "-f" "9b0d8a750a1376a32dc44d89fc9103141650c49f10fb9bd488fc885a5ff098dd"` [INFO] [stdout] 9b0d8a750a1376a32dc44d89fc9103141650c49f10fb9bd488fc885a5ff098dd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/named-block/0.3.1:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 74aa372f4c124192d0e0e7b57d6bd7c2cec9f8eeaba69fdd2e8db68d19f07e9f [INFO] running `"docker" "start" "-a" "74aa372f4c124192d0e0e7b57d6bd7c2cec9f8eeaba69fdd2e8db68d19f07e9f"` [INFO] [stderr] Compiling static-cond v0.1.1 [INFO] [stderr] Compiling named-block v0.3.1 (/opt/crater/workdir) [INFO] [stderr] warning: label name `'b` shadows a label name that is already in scope [INFO] [stderr] --> src/lib.rs:362:17 [INFO] [stderr] | [INFO] [stderr] 334 | let x = block!('b: { [INFO] [stderr] | _________________- [INFO] [stderr] 335 | | if flag { break 'b "early exit"; } [INFO] [stderr] 336 | | let _y = block!('c: { [INFO] [stderr] 337 | | if flag { break 'b "inner early exit"; }; [INFO] [stderr] ... | [INFO] [stderr] 352 | | block!('b: { [INFO] [stderr] | | -- first declared here [INFO] [stderr] ... | [INFO] [stderr] 362 | | 'b: while false { [INFO] [stderr] | | ^^ lifetime 'b already in scope [INFO] [stderr] ... | [INFO] [stderr] 375 | | "normal exit" [INFO] [stderr] 376 | | }); [INFO] [stderr] | |__________- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: label name `'a` shadows a label name that is already in scope [INFO] [stderr] --> src/lib.rs:392:31 [INFO] [stderr] | [INFO] [stderr] 391 | assert_eq!(42, block!('a: loop { break 'a 42 })); [INFO] [stderr] | -- first declared here [INFO] [stderr] 392 | assert_eq!((), block!('a: {})); // make sure it works with no breaks [INFO] [stderr] | ^^ lifetime 'a already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'a` shadows a label name that is already in scope [INFO] [stderr] --> src/lib.rs:396:16 [INFO] [stderr] | [INFO] [stderr] 391 | assert_eq!(42, block!('a: loop { break 'a 42 })); [INFO] [stderr] | -- first declared here [INFO] [stderr] ... [INFO] [stderr] 396 | block!('a: loop { [INFO] [stderr] | ^^ lifetime 'a already in scope [INFO] [stderr] [INFO] [stderr] warning: label name `'a` shadows a label name that is already in scope [INFO] [stderr] --> src/lib.rs:396:16 [INFO] [stderr] | [INFO] [stderr] 392 | assert_eq!((), block!('a: {})); // make sure it works with no breaks [INFO] [stderr] | -- first declared here [INFO] [stderr] ... [INFO] [stderr] 396 | block!('a: loop { [INFO] [stderr] | ^^ lifetime 'a already in scope [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:102:21 [INFO] [stderr] | [INFO] [stderr] 102 | / $ret = $out; [INFO] [stderr] 103 | | break $life; [INFO] [stderr] 104 | | } [INFO] [stderr] 105 | | $ret [INFO] [stderr] ... | [INFO] [stderr] 134 | | (@scan {} $life:tt $ret:ident () -> ($($out:tt)*) (() $lp:tt $init:tt)) => { [INFO] [stderr] 135 | | block!(@wrap $life $lp $ret $init { $($out)* }) [INFO] [stderr] | |______________________________________________________^ [INFO] [stderr] ... [INFO] [stderr] 334 | let x = block!('b: { [INFO] [stderr] | _________________- [INFO] [stderr] 335 | | if flag { break 'b "early exit"; } [INFO] [stderr] 336 | | let _y = block!('c: { [INFO] [stderr] 337 | | if flag { break 'b "inner early exit"; }; [INFO] [stderr] ... | [INFO] [stderr] 375 | | "normal exit" [INFO] [stderr] 376 | | }); [INFO] [stderr] | |__________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:102:21 [INFO] [stderr] | [INFO] [stderr] 102 | / $ret = $out; [INFO] [stderr] 103 | | break $life; [INFO] [stderr] 104 | | } [INFO] [stderr] 105 | | $ret [INFO] [stderr] ... | [INFO] [stderr] 134 | | (@scan {} $life:tt $ret:ident () -> ($($out:tt)*) (() $lp:tt $init:tt)) => { [INFO] [stderr] 135 | | block!(@wrap $life $lp $ret $init { $($out)* }) [INFO] [stderr] | |______________________________________________________^ [INFO] [stderr] ... [INFO] [stderr] 381 | / block!('d: { [INFO] [stderr] 382 | | //continue; //~ERROR NoBareContinueInNamedBlock [INFO] [stderr] 383 | | //continue 'd; //~ERROR NoMatchedContinueInNamedBlock [INFO] [stderr] 384 | | continue 'e; [INFO] [stderr] 385 | | }); [INFO] [stderr] | |_______________- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:102:21 [INFO] [stderr] | [INFO] [stderr] 102 | / $ret = $out; [INFO] [stderr] 103 | | break $life; [INFO] [stderr] 104 | | } [INFO] [stderr] 105 | | $ret [INFO] [stderr] ... | [INFO] [stderr] 134 | | (@scan {} $life:tt $ret:ident () -> ($($out:tt)*) (() $lp:tt $init:tt)) => { [INFO] [stderr] 135 | | block!(@wrap $life $lp $ret $init { $($out)* }) [INFO] [stderr] | |______________________________________________________^ [INFO] [stderr] ... [INFO] [stderr] 334 | let x = block!('b: { [INFO] [stderr] | _________________- [INFO] [stderr] 335 | | if flag { break 'b "early exit"; } [INFO] [stderr] 336 | | let _y = block!('c: { [INFO] [stderr] 337 | | if flag { break 'b "inner early exit"; }; [INFO] [stderr] ... | [INFO] [stderr] 375 | | "normal exit" [INFO] [stderr] 376 | | }); [INFO] [stderr] | |__________- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:102:21 [INFO] [stderr] | [INFO] [stderr] 102 | / $ret = $out; [INFO] [stderr] 103 | | break $life; [INFO] [stderr] 104 | | } [INFO] [stderr] 105 | | $ret [INFO] [stderr] ... | [INFO] [stderr] 134 | | (@scan {} $life:tt $ret:ident () -> ($($out:tt)*) (() $lp:tt $init:tt)) => { [INFO] [stderr] 135 | | block!(@wrap $life $lp $ret $init { $($out)* }) [INFO] [stderr] | |______________________________________________________^ [INFO] [stderr] ... [INFO] [stderr] 334 | let x = block!('b: { [INFO] [stderr] | _________________- [INFO] [stderr] 335 | | if flag { break 'b "early exit"; } [INFO] [stderr] 336 | | let _y = block!('c: { [INFO] [stderr] 337 | | if flag { break 'b "inner early exit"; }; [INFO] [stderr] ... | [INFO] [stderr] 375 | | "normal exit" [INFO] [stderr] 376 | | }); [INFO] [stderr] | |__________- in this macro invocation [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.27s [INFO] running `"docker" "inspect" "74aa372f4c124192d0e0e7b57d6bd7c2cec9f8eeaba69fdd2e8db68d19f07e9f"` [INFO] running `"docker" "rm" "-f" "74aa372f4c124192d0e0e7b57d6bd7c2cec9f8eeaba69fdd2e8db68d19f07e9f"` [INFO] [stdout] 74aa372f4c124192d0e0e7b57d6bd7c2cec9f8eeaba69fdd2e8db68d19f07e9f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/named-block/0.3.1:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 6f630f7c006701583abe79008b085b09e6b1ad76fc43f1f94e4881941327fadc [INFO] running `"docker" "start" "-a" "6f630f7c006701583abe79008b085b09e6b1ad76fc43f1f94e4881941327fadc"` [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] running 3 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/named_block-eeb1155689585d72 [INFO] [stdout] test tests::shadowing ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::loops ... ok [INFO] [stderr] Doc-tests named-block [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - block (line 36) ... ok [INFO] [stdout] test src/lib.rs - block (line 48) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "6f630f7c006701583abe79008b085b09e6b1ad76fc43f1f94e4881941327fadc"` [INFO] running `"docker" "rm" "-f" "6f630f7c006701583abe79008b085b09e6b1ad76fc43f1f94e4881941327fadc"` [INFO] [stdout] 6f630f7c006701583abe79008b085b09e6b1ad76fc43f1f94e4881941327fadc