[INFO] crate prom 0.1.0 is already in cache [INFO] extracting crate prom 0.1.0 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/prom/0.1.0 [INFO] extracting crate prom 0.1.0 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/prom/0.1.0 [INFO] validating manifest of prom-0.1.0 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of prom-0.1.0 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing prom-0.1.0 [INFO] finished frobbing prom-0.1.0 [INFO] frobbed toml for prom-0.1.0 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/prom/0.1.0/Cargo.toml [INFO] started frobbing prom-0.1.0 [INFO] finished frobbing prom-0.1.0 [INFO] frobbed toml for prom-0.1.0 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/prom/0.1.0/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking prom-0.1.0 against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-2/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/prom/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ed380db0a248dfb7594db01ae4b66b6b413933232dcc3b6db7f05367767248ee [INFO] running `"docker" "start" "-a" "ed380db0a248dfb7594db01ae4b66b6b413933232dcc3b6db7f05367767248ee"` [INFO] [stderr] Compiling openssl-sys-extras v0.7.14 [INFO] [stderr] Compiling openssl v0.7.14 [INFO] [stderr] Checking prom v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `openssl v0.7.14` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/openssl-457aa57f7051398f/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] OPT_LEVEL = Some("0") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CC_x86_64-unknown-linux-gnu = None [INFO] [stderr] CC_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CC = None [INFO] [stderr] CC = None [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CFLAGS = None [INFO] [stderr] CFLAGS = None [INFO] [stderr] DEBUG = Some("true") [INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/openssl-63506edddb437b07/out/src/c_helpers.o" "-c" "src/c_helpers.c" [INFO] [stderr] cargo:warning=src/c_helpers.c: In function 'rust_SSL_clone': [INFO] [stderr] cargo:warning=src/c_helpers.c:4:5: warning: implicit declaration of function 'CRYPTO_add' [-Wimplicit-function-declaration] [INFO] [stderr] cargo:warning= CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL); [INFO] [stderr] cargo:warning= ^~~~~~~~~~ [INFO] [stderr] cargo:warning=src/c_helpers.c:4:20: error: dereferencing pointer to incomplete type 'SSL {aka struct ssl_st}' [INFO] [stderr] cargo:warning= CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL); [INFO] [stderr] cargo:warning= ^~ [INFO] [stderr] cargo:warning=src/c_helpers.c:4:37: error: 'CRYPTO_LOCK_SSL' undeclared (first use in this function) [INFO] [stderr] cargo:warning= CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL); [INFO] [stderr] cargo:warning= ^~~~~~~~~~~~~~~ [INFO] [stderr] cargo:warning=src/c_helpers.c:4:37: note: each undeclared identifier is reported only once for each function it appears in [INFO] [stderr] cargo:warning=src/c_helpers.c: In function 'rust_SSL_CTX_clone': [INFO] [stderr] cargo:warning=src/c_helpers.c:8:20: error: dereferencing pointer to incomplete type 'SSL_CTX {aka struct ssl_ctx_st}' [INFO] [stderr] cargo:warning= CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); [INFO] [stderr] cargo:warning= ^~ [INFO] [stderr] cargo:warning=src/c_helpers.c:8:35: error: 'CRYPTO_LOCK_SSL_CTX' undeclared (first use in this function) [INFO] [stderr] cargo:warning= CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); [INFO] [stderr] cargo:warning= ^~~~~~~~~~~~~~~~~~~ [INFO] [stderr] cargo:warning=src/c_helpers.c: In function 'rust_X509_clone': [INFO] [stderr] cargo:warning=src/c_helpers.c:12:21: error: dereferencing pointer to incomplete type 'X509 {aka struct x509_st}' [INFO] [stderr] cargo:warning= CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); [INFO] [stderr] cargo:warning= ^~ [INFO] [stderr] cargo:warning=src/c_helpers.c:12:36: error: 'CRYPTO_LOCK_X509' undeclared (first use in this function) [INFO] [stderr] cargo:warning= CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); [INFO] [stderr] cargo:warning= ^~~~~~~~~~~~~~~~ [INFO] [stderr] exit code: 1 [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at ' [INFO] [stderr] [INFO] [stderr] Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/openssl-63506edddb437b07/out/src/c_helpers.o" "-c" "src/c_helpers.c" with args "cc" did not execute successfully (status code exit code: 1). [INFO] [stderr] [INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55814f705413 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4b8c8edcb4a1a884 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55814f70106b - std::sys_common::backtrace::_print::hb9cb43b8f3a26e66 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55814f704246 - std::panicking::default_hook::{{closure}}::hda0ee4005e6ff283 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55814f703fd9 - std::panicking::default_hook::hcd452a911bf63096 [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55814f7048ff - std::panicking::rust_panic_with_hook::hf6a2e8487a670340 [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55814f704481 - std::panicking::continue_panic_fmt::h12123d2ede034222 [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x55814f7043ce - std::panicking::begin_panic_fmt::h3dc0e57acecaed84 [INFO] [stderr] at src/libstd/panicking.rs:336 [INFO] [stderr] 7: 0x55814f6ba365 - gcc::fail::ha9823f3e1d468231 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 8: 0x55814f6a9b5e - gcc::Build::compile::h1e169e4274adc979 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 9: 0x55814f6a4a44 - build_script_build::main::haaa53fcfb9451a34 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-0.7.14/build.rs:15 [INFO] [stderr] 10: 0x55814f6a467f - std::rt::lang_start::{{closure}}::h5675e92028d3354b [INFO] [stderr] at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64 [INFO] [stderr] 11: 0x55814f704352 - std::panicking::try::do_call::hcd6e20d3f55d90f4 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 12: 0x55814f70c919 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 13: 0x55814f704e0c - std::rt::lang_start_internal::h785c82e60cb8195f [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 14: 0x55814f6a4658 - std::rt::lang_start::hd39e79188765778e [INFO] [stderr] at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x55814f6a4c59 - main [INFO] [stderr] 16: 0x7f9ce40b62e0 - __libc_start_main [INFO] [stderr] 17: 0x55814f6a3d79 - _start [INFO] [stderr] 18: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: failed to run custom build command for `openssl-sys-extras v0.7.14` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/openssl-sys-extras-23778e0f0b01b6f6/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] OPT_LEVEL = Some("0") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CC_x86_64-unknown-linux-gnu = None [INFO] [stderr] CC_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CC = None [INFO] [stderr] CC = None [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CFLAGS = None [INFO] [stderr] CFLAGS = None [INFO] [stderr] DEBUG = Some("true") [INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/openssl-sys-extras-4c9d3952bde4ca6c/out/src/openssl_shim.o" "-c" "src/openssl_shim.c" [INFO] [stderr] cargo:warning=src/openssl_shim.c: In function 'SSL_CTX_set_ecdh_auto_shim': [INFO] [stderr] cargo:warning=src/openssl_shim.c:121:41: warning: unused parameter 'ctx' [-Wunused-parameter] [INFO] [stderr] cargo:warning= int SSL_CTX_set_ecdh_auto_shim(SSL_CTX *ctx, int onoff) { [INFO] [stderr] cargo:warning= ^~~ [INFO] [stderr] cargo:warning=src/openssl_shim.c: In function 'DH_new_from_params': [INFO] [stderr] cargo:warning=src/openssl_shim.c:132:7: error: dereferencing pointer to incomplete type 'DH {aka struct dh_st}' [INFO] [stderr] cargo:warning= dh->p = p; [INFO] [stderr] cargo:warning= ^~ [INFO] [stderr] cargo:warning=src/openssl_shim.c: In function 'X509_get_extensions_shim': [INFO] [stderr] cargo:warning=src/openssl_shim.c:143:13: error: dereferencing pointer to incomplete type 'X509 {aka struct x509_st}' [INFO] [stderr] cargo:warning= return x->cert_info ? x->cert_info->extensions : NULL; [INFO] [stderr] cargo:warning= ^~ [INFO] [stderr] cargo:warning=src/openssl_shim.c:144:1: warning: control reaches end of non-void function [-Wreturn-type] [INFO] [stderr] cargo:warning= } [INFO] [stderr] cargo:warning= ^ [INFO] [stderr] exit code: 1 [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at ' [INFO] [stderr] [INFO] [stderr] Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/openssl-sys-extras-4c9d3952bde4ca6c/out/src/openssl_shim.o" "-c" "src/openssl_shim.c" with args "cc" did not execute successfully (status code exit code: 1). [INFO] [stderr] [INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x562999449163 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4b8c8edcb4a1a884 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x562999444d3b - std::sys_common::backtrace::_print::hb9cb43b8f3a26e66 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x562999447f16 - std::panicking::default_hook::{{closure}}::hda0ee4005e6ff283 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x562999447ca9 - std::panicking::default_hook::hcd452a911bf63096 [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x5629994485cf - std::panicking::rust_panic_with_hook::hf6a2e8487a670340 [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x562999448151 - std::panicking::continue_panic_fmt::h12123d2ede034222 [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x56299944809e - std::panicking::begin_panic_fmt::h3dc0e57acecaed84 [INFO] [stderr] at src/libstd/panicking.rs:336 [INFO] [stderr] 7: 0x5629993fe015 - gcc::fail::ha9823f3e1d468231 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 8: 0x5629993ed80e - gcc::Build::compile::h1e169e4274adc979 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 9: 0x5629993e5821 - build_script_build::main::h2bac0574753a11e5 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-extras-0.7.14/build.rs:19 [INFO] [stderr] 10: 0x5629993e883f - std::rt::lang_start::{{closure}}::h620c4fd039250f70 [INFO] [stderr] at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64 [INFO] [stderr] 11: 0x562999448022 - std::panicking::try::do_call::hcd6e20d3f55d90f4 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 12: 0x562999450669 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 13: 0x562999448adc - std::rt::lang_start_internal::h785c82e60cb8195f [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 14: 0x5629993e8818 - std::rt::lang_start::h55cc29586500b945 [INFO] [stderr] at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x5629993e6ba9 - main [INFO] [stderr] 16: 0x7f8a503952e0 - __libc_start_main [INFO] [stderr] 17: 0x5629993e53c9 - _start [INFO] [stderr] 18: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor' [INFO] [stderr] --> src/proto.rs:1029:29 [INFO] [stderr] | [INFO] [stderr] 1029 | fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor' [INFO] [stderr] --> src/proto.rs:1455:29 [INFO] [stderr] | [INFO] [stderr] 1455 | fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor' [INFO] [stderr] --> src/proto.rs:2113:29 [INFO] [stderr] | [INFO] [stderr] 2113 | fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'protobuf::reflect::accessor::make_repeated_message_accessor' [INFO] [stderr] --> src/proto.rs:2472:29 [INFO] [stderr] | [INFO] [stderr] 2472 | fields.push(::protobuf::reflect::accessor::make_repeated_message_accessor( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/registry.rs:80:25 [INFO] [stderr] | [INFO] [stderr] 80 | let mut existent_mf = entry.get_mut(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/registry.rs:81:25 [INFO] [stderr] | [INFO] [stderr] 81 | let mut existent_metrics = existent_mf.mut_metric(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "ed380db0a248dfb7594db01ae4b66b6b413933232dcc3b6db7f05367767248ee"` [INFO] running `"docker" "rm" "-f" "ed380db0a248dfb7594db01ae4b66b6b413933232dcc3b6db7f05367767248ee"` [INFO] [stdout] ed380db0a248dfb7594db01ae4b66b6b413933232dcc3b6db7f05367767248ee