[INFO] fetching crate named-block 0.3.1...
[INFO] checking named-block-0.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate named-block 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate named-block 0.3.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages
[INFO] [stderr]       Adding static-cond v0.1.1 (latest: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded static-cond v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 374f23c665c1db57a2d41470d13e3bb6ad2238b10420d007dabcb4c8ff378e1a
[INFO] running `Command { std: "docker" "start" "-a" "374f23c665c1db57a2d41470d13e3bb6ad2238b10420d007dabcb4c8ff378e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374f23c665c1db57a2d41470d13e3bb6ad2238b10420d007dabcb4c8ff378e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374f23c665c1db57a2d41470d13e3bb6ad2238b10420d007dabcb4c8ff378e1a", kill_on_drop: false }`
[INFO] [stdout] 374f23c665c1db57a2d41470d13e3bb6ad2238b10420d007dabcb4c8ff378e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0b1dcc93f6e2b8c4f171ee19bc963688cb54009be7a86a1b6682c72e2e7fc5d
[INFO] running `Command { std: "docker" "start" "-a" "e0b1dcc93f6e2b8c4f171ee19bc963688cb54009be7a86a1b6682c72e2e7fc5d", kill_on_drop: false }`
[INFO] [stderr]     Checking static-cond v0.1.1
[INFO] [stderr]     Checking named-block v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                       $ret = $out;
[INFO] [stdout]     |                       ^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 174 |                   block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* { $ret = $e; break $life2; }) ($stack $lp ()))
[INFO] [stdout]     |                                                                                         ----- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 334 |           let x = block!('b: {
[INFO] [stdout]     |  _________________-
[INFO] [stdout] 335 | |             if flag { break 'b "early exit"; }
[INFO] [stdout] 336 | |             let _y = block!('c: {
[INFO] [stdout] 337 | |                 if flag { break 'b "inner early exit"; };
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |             "normal exit"
[INFO] [stdout] 376 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                       $ret = $out;
[INFO] [stdout]     |                       ^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 197 |                   block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* continue $life2;) ($stack () $init))
[INFO] [stdout]     |                                                                            -------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 381 | /             block!('d: {
[INFO] [stdout] 382 | |                 //continue; //~ERROR NoBareContinueInNamedBlock
[INFO] [stdout] 383 | |                 //continue 'd; //~ERROR NoMatchedContinueInNamedBlock
[INFO] [stdout] 384 | |                 continue 'e;
[INFO] [stdout] 385 | |             });
[INFO] [stdout]     | |______________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                       $ret = $out;
[INFO] [stdout]     |                       ^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 174 |                   block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* { $ret = $e; break $life2; }) ($stack $lp ()))
[INFO] [stdout]     |                                                                                         ----- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 334 |           let x = block!('b: {
[INFO] [stdout]     |  _________________-
[INFO] [stdout] 335 | |             if flag { break 'b "early exit"; }
[INFO] [stdout] 336 | |             let _y = block!('c: {
[INFO] [stdout] 337 | |                 if flag { break 'b "inner early exit"; };
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |             "normal exit"
[INFO] [stdout] 376 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                       $ret = $out;
[INFO] [stdout]     |                       ^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 174 |                   block!(@scan $paren $life1 $ret ($($tail)*) -> ($($out)* { $ret = $e; break $life2; }) ($stack $lp ()))
[INFO] [stdout]     |                                                                                         ----- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 334 |           let x = block!('b: {
[INFO] [stdout]     |  _________________-
[INFO] [stdout] 335 | |             if flag { break 'b "early exit"; }
[INFO] [stdout] 336 | |             let _y = block!('c: {
[INFO] [stdout] 337 | |                 if flag { break 'b "inner early exit"; };
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |             "normal exit"
[INFO] [stdout] 376 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "e0b1dcc93f6e2b8c4f171ee19bc963688cb54009be7a86a1b6682c72e2e7fc5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b1dcc93f6e2b8c4f171ee19bc963688cb54009be7a86a1b6682c72e2e7fc5d", kill_on_drop: false }`
[INFO] [stdout] e0b1dcc93f6e2b8c4f171ee19bc963688cb54009be7a86a1b6682c72e2e7fc5d