[INFO] fetching crate srmfpa-berkeley-softfloat-3 0.1.0... [INFO] building srmfpa-berkeley-softfloat-3-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate srmfpa-berkeley-softfloat-3 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate srmfpa-berkeley-softfloat-3 0.1.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate srmfpa-berkeley-softfloat-3 0.1.0 [INFO] finished tweaking crates.io crate srmfpa-berkeley-softfloat-3 0.1.0 [INFO] tweaked toml for crates.io crate srmfpa-berkeley-softfloat-3 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 2 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 997745fb8f6b77b8c40a69720fb5bc474c706145c1f3f3360a489f5bf80c9f9c [INFO] running `Command { std: "docker" "start" "-a" "997745fb8f6b77b8c40a69720fb5bc474c706145c1f3f3360a489f5bf80c9f9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "997745fb8f6b77b8c40a69720fb5bc474c706145c1f3f3360a489f5bf80c9f9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "997745fb8f6b77b8c40a69720fb5bc474c706145c1f3f3360a489f5bf80c9f9c", kill_on_drop: false }` [INFO] [stdout] 997745fb8f6b77b8c40a69720fb5bc474c706145c1f3f3360a489f5bf80c9f9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b122c53c1518db2025b9ecb5637a3012d4f59e546c1ffa5727425d357e05b44a [INFO] running `Command { std: "docker" "start" "-a" "b122c53c1518db2025b9ecb5637a3012d4f59e546c1ffa5727425d357e05b44a", kill_on_drop: false }` [INFO] [stderr] Compiling srmfpa-berkeley-softfloat-3 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToBF16.c: In function 'softfloat_roundPackToBF16': [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToBF16.c:107:2: warning: label 'packReturn' defined but not used [-Wunused-label] [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 107 | packReturn: [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^~~~~~~~~~ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToF16.c: In function 'softfloat_roundPackToF16': [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToF16.c:106:2: warning: label 'packReturn' defined but not used [-Wunused-label] [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 106 | packReturn: [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^~~~~~~~~~ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToF32.c: In function 'softfloat_roundPackToF32': [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToF32.c:106:2: warning: label 'packReturn' defined but not used [-Wunused-label] [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 106 | packReturn: [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^~~~~~~~~~ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToF64.c: In function 'softfloat_roundPackToF64': [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToF64.c:110:2: warning: label 'packReturn' defined but not used [-Wunused-label] [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 110 | packReturn: [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^~~~~~~~~~ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToF128.c: In function 'softfloat_roundPackToF128': [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/s_roundPackToF128.c:162:2: warning: label 'packReturn' defined but not used [-Wunused-label] [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 162 | packReturn: [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^~~~~~~~~~ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/bf16_to_f32.c: In function 'bf16_to_f32': [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/bf16_to_f32.c:53:23: warning: unused variable 'normExpSig' [-Wunused-variable] [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 53 | struct exp8_sig16 normExpSig; [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^~~~~~~~~~ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/f16_roundToInt.c: In function 'f16_roundToInt': [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/f16_roundToInt.c:65:16: warning: this statement may fall through [-Wimplicit-fallthrough=] [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 65 | if ( !fracF16UI( uiA ) ) break; [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/f16_roundToInt.c:66:10: note: here [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 66 | case softfloat_round_near_maxMag: [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^~~~ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/f32_roundToInt.c: In function 'f32_roundToInt': [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/f32_roundToInt.c:65:16: warning: this statement may fall through [-Wimplicit-fallthrough=] [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 65 | if ( !fracF32UI( uiA ) ) break; [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/f32_roundToInt.c:66:10: note: here [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 66 | case softfloat_round_near_maxMag: [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: | ^~~~ [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/f64_to_i64_r_minMag.c: In function 'f64_to_i64_r_minMag': [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: berkeley-softfloat-3/source/f64_to_i64_r_minMag.c:93:40: warning: comparison of integer expressions of different signedness: 'int_fast64_t' {aka 'long int'} and 'uint_fast64_t' {aka 'long unsigned int'} [-Wsign-compare] [INFO] [stderr] warning: srmfpa-berkeley-softfloat-3@0.1.0: 93 | if ( exact && (absZ<