[INFO] fetching crate named-block 0.3.1... [INFO] checking named-block-0.3.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate named-block 0.3.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate named-block 0.3.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate named-block 0.3.1 [INFO] finished tweaking crates.io crate named-block 0.3.1 [INFO] tweaked toml for crates.io crate named-block 0.3.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 591242f70286e2ca78692f2a49446707cdb895b2068aaf52097109cf390132e6 [INFO] running `"docker" "start" "-a" "591242f70286e2ca78692f2a49446707cdb895b2068aaf52097109cf390132e6"` [INFO] [stderr] Checking static-cond v0.1.1 [INFO] [stderr] Checking named-block v0.3.1 (/opt/rustwide/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] 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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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] | |______________________________________________________^ unreachable expression [INFO] [stderr] ... [INFO] [stderr] 174 | block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* { $ret = $e; break $life2; }) ($stack $lp ())) [INFO] [stderr] | _______________________________________________________________________________________- [INFO] [stderr] 175 | | } else { [INFO] [stderr] 176 | | block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* break $life2 $e;) ($stack $lp ())) [INFO] [stderr] 177 | | } [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] 369 | x + block!('d: { [INFO] [stderr] 370 | | break 'd 42; [INFO] [stderr] | |____________________________- any code following this expression is unreachable [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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] | |______________________________________________________^ unreachable expression [INFO] [stderr] ... [INFO] [stderr] 197 | block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* continue $life2;) ($stack () $init)) [INFO] [stderr] | __________________________________________________________________________- [INFO] [stderr] 198 | | } [INFO] [stderr] 199 | | } [INFO] [stderr] 200 | | }; [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] | |___________________________- any code following this expression is unreachable [INFO] [stderr] 385 | | }); [INFO] [stderr] | |_______________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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] | |______________________________________________________^ unreachable expression [INFO] [stderr] ... [INFO] [stderr] 174 | block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* { $ret = $e; break $life2; }) ($stack $lp ())) [INFO] [stderr] | _______________________________________________________________________________________- [INFO] [stderr] 175 | | } else { [INFO] [stderr] 176 | | block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* break $life2 $e;) ($stack $lp ())) [INFO] [stderr] 177 | | } [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] 345 | block!('b: { [INFO] [stderr] 346 | | break 'b 42; [INFO] [stderr] | |________________________________- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 375 | | "normal exit" [INFO] [stderr] 376 | | }); [INFO] [stderr] | |__________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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] | |______________________________________________________^ unreachable expression [INFO] [stderr] ... [INFO] [stderr] 174 | block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* { $ret = $e; break $life2; }) ($stack $lp ())) [INFO] [stderr] | _______________________________________________________________________________________- [INFO] [stderr] 175 | | } else { [INFO] [stderr] 176 | | block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* break $life2 $e;) ($stack $lp ())) [INFO] [stderr] 177 | | } [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] 353 | | break 'b 42; [INFO] [stderr] | |____________________________- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 375 | | "normal exit" [INFO] [stderr] 376 | | }); [INFO] [stderr] | |__________- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `"docker" "inspect" "591242f70286e2ca78692f2a49446707cdb895b2068aaf52097109cf390132e6"` [INFO] running `"docker" "rm" "-f" "591242f70286e2ca78692f2a49446707cdb895b2068aaf52097109cf390132e6"` [INFO] [stdout] 591242f70286e2ca78692f2a49446707cdb895b2068aaf52097109cf390132e6