[INFO] fetching crate named-block 0.3.1... [INFO] checking named-block-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate named-block 0.3.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate named-block 0.3.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b418e35b9fe43d812892e6061df4ce75a41a7c2ec6cea1344989bb4d226694bb [INFO] running `Command { std: "docker" "start" "-a" "b418e35b9fe43d812892e6061df4ce75a41a7c2ec6cea1344989bb4d226694bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b418e35b9fe43d812892e6061df4ce75a41a7c2ec6cea1344989bb4d226694bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b418e35b9fe43d812892e6061df4ce75a41a7c2ec6cea1344989bb4d226694bb", kill_on_drop: false }` [INFO] [stdout] b418e35b9fe43d812892e6061df4ce75a41a7c2ec6cea1344989bb4d226694bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a44df2f90ca6942a2e4f2c85dd4a89f9d0651139d6348ef0667f990e69b7a4f [INFO] running `Command { std: "docker" "start" "-a" "6a44df2f90ca6942a2e4f2c85dd4a89f9d0651139d6348ef0667f990e69b7a4f", 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 0.42s [INFO] running `Command { std: "docker" "inspect" "6a44df2f90ca6942a2e4f2c85dd4a89f9d0651139d6348ef0667f990e69b7a4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a44df2f90ca6942a2e4f2c85dd4a89f9d0651139d6348ef0667f990e69b7a4f", kill_on_drop: false }` [INFO] [stdout] 6a44df2f90ca6942a2e4f2c85dd4a89f9d0651139d6348ef0667f990e69b7a4f [INFO] checking named-block-0.3.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate named-block 0.3.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate named-block 0.3.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 845050fdbba715eb2f7ed99c4b591f3fb5d7cfcd39e48b7e4ebd687c57b837df [INFO] running `Command { std: "docker" "start" "-a" "845050fdbba715eb2f7ed99c4b591f3fb5d7cfcd39e48b7e4ebd687c57b837df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "845050fdbba715eb2f7ed99c4b591f3fb5d7cfcd39e48b7e4ebd687c57b837df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "845050fdbba715eb2f7ed99c4b591f3fb5d7cfcd39e48b7e4ebd687c57b837df", kill_on_drop: false }` [INFO] [stdout] 845050fdbba715eb2f7ed99c4b591f3fb5d7cfcd39e48b7e4ebd687c57b837df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c3e06a68c28f4e6d51f62663df932477bce549e2299e4238c4206b99e5e2650 [INFO] running `Command { std: "docker" "start" "-a" "1c3e06a68c28f4e6d51f62663df932477bce549e2299e4238c4206b99e5e2650", 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 0.35s [INFO] running `Command { std: "docker" "inspect" "1c3e06a68c28f4e6d51f62663df932477bce549e2299e4238c4206b99e5e2650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c3e06a68c28f4e6d51f62663df932477bce549e2299e4238c4206b99e5e2650", kill_on_drop: false }` [INFO] [stdout] 1c3e06a68c28f4e6d51f62663df932477bce549e2299e4238c4206b99e5e2650