[INFO] fetching crate groestlcoinconsensus 2.20.1-0.5.0...
[INFO] checking groestlcoinconsensus-2.20.1-0.5.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate groestlcoinconsensus 2.20.1-0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate groestlcoinconsensus 2.20.1-0.5.0 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 groestlcoinconsensus 2.20.1-0.5.0
[INFO] finished tweaking crates.io crate groestlcoinconsensus 2.20.1-0.5.0
[INFO] tweaked toml for crates.io crate groestlcoinconsensus 2.20.1-0.5.0 written to /workspace/builds/worker-4-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]      Locking 4 packages
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e3472edaa57a59228005f7efc685be406db90b349f4b0d15367c8bc8850c8d16
[INFO] running `Command { std: "docker" "start" "-a" "e3472edaa57a59228005f7efc685be406db90b349f4b0d15367c8bc8850c8d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3472edaa57a59228005f7efc685be406db90b349f4b0d15367c8bc8850c8d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3472edaa57a59228005f7efc685be406db90b349f4b0d15367c8bc8850c8d16", kill_on_drop: false }`
[INFO] [stdout] e3472edaa57a59228005f7efc685be406db90b349f4b0d15367c8bc8850c8d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3f968441e6297e396df515baaeb55abf685623bcee48834053079cb5d19652b2
[INFO] running `Command { std: "docker" "start" "-a" "3f968441e6297e396df515baaeb55abf685623bcee48834053079cb5d19652b2", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling groestlcoinconsensus v2.20.1-0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: Compiler version doesn't include clang or GCC: "c++" "--version"
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: depend/groestlcoin/src/secp256k1/src/secp256k1.c:64:1: warning: missing initializer for member 'secp256k1_ecmult_gen_context::blind' [-Wmissing-field-initializers]
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:    64 | };
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:       | ^
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: depend/groestlcoin/src/secp256k1/src/secp256k1.c:64:1: warning: missing initializer for member 'secp256k1_ecmult_gen_context::initial' [-Wmissing-field-initializers]
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: depend/groestlcoin/src/hash.cpp: In function 'unsigned int MurmurHash3(unsigned int, const std::vector<unsigned char>&)':
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: depend/groestlcoin/src/hash.cpp:48:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:    48 |             k1 ^= tail[2] << 16;
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:       |             ~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: depend/groestlcoin/src/hash.cpp:49:9: note: here
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:    49 |         case 2:
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:       |         ^~~~
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: depend/groestlcoin/src/hash.cpp:50:16: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:    50 |             k1 ^= tail[1] << 8;
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:       |             ~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0: depend/groestlcoin/src/hash.cpp:51:9: note: here
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:    51 |         case 1:
[INFO] [stderr] warning: groestlcoinconsensus@2.20.1-0.5.0:       |         ^~~~
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "3f968441e6297e396df515baaeb55abf685623bcee48834053079cb5d19652b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f968441e6297e396df515baaeb55abf685623bcee48834053079cb5d19652b2", kill_on_drop: false }`
[INFO] [stdout] 3f968441e6297e396df515baaeb55abf685623bcee48834053079cb5d19652b2