[INFO] fetching crate sawtooth-xo 0.5.2...
[INFO] checking sawtooth-xo-0.5.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate sawtooth-xo 0.5.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sawtooth-xo 0.5.2 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 sawtooth-xo 0.5.2
[INFO] finished tweaking crates.io crate sawtooth-xo 0.5.2
[INFO] tweaked toml for crates.io crate sawtooth-xo 0.5.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate sawtooth-xo 0.5.2 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-array v0.14.5
[INFO] [stderr]   Downloaded crypto-common v0.1.1
[INFO] [stderr]   Downloaded cpufeatures v0.2.1
[INFO] [stderr]   Downloaded sha2 v0.10.1
[INFO] [stderr]   Downloaded block-buffer v0.10.0
[INFO] [stderr]   Downloaded digest v0.10.1
[INFO] [stderr]   Downloaded protoc-rust v2.26.1
[INFO] [stderr]   Downloaded zmq v0.9.2
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] [stderr]   Downloaded flate2 v1.0.22
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded typenum v1.15.0
[INFO] [stderr]   Downloaded serde_json v1.0.78
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded openssl v0.10.38
[INFO] [stderr]   Downloaded protobuf v2.26.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.26.1
[INFO] [stderr]   Downloaded protoc v2.26.1
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.2
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded crc32fast v1.3.1
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.23
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded ctrlc v3.2.1
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.72
[INFO] [stderr]   Downloaded which v4.2.4
[INFO] [stderr]   Downloaded libc v0.2.117
[INFO] [stderr]   Downloaded secp256k1 v0.21.2
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded pkg-config v0.3.24
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded sabre-sdk v0.4.2
[INFO] [stderr]   Downloaded zmq-sys v0.11.0
[INFO] [stderr]   Downloaded sawtooth-sdk v0.5.2
[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] 68fc6aa2b0486bda4ba22655e636b170504678944b6dc83f783dcdcee4f4c623
[INFO] running `Command { std: "docker" "start" "-a" "68fc6aa2b0486bda4ba22655e636b170504678944b6dc83f783dcdcee4f4c623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68fc6aa2b0486bda4ba22655e636b170504678944b6dc83f783dcdcee4f4c623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68fc6aa2b0486bda4ba22655e636b170504678944b6dc83f783dcdcee4f4c623", kill_on_drop: false }`
[INFO] [stdout] 68fc6aa2b0486bda4ba22655e636b170504678944b6dc83f783dcdcee4f4c623
[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] d7947a188e4a5d9f41dfeb5e81d265759f6b014b5b8918c31e3e644f63c7a64c
[INFO] running `Command { std: "docker" "start" "-a" "d7947a188e4a5d9f41dfeb5e81d265759f6b014b5b8918c31e3e644f63c7a64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling protobuf v2.26.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking crypto-common v0.1.1
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking digest v0.10.1
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling protobuf-codegen v2.26.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling protoc v2.26.1
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking sha2 v0.10.1
[INFO] [stderr]    Compiling protoc-rust v2.26.1
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking secp256k1 v0.21.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]    Compiling sawtooth-sdk v0.5.2
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking sawtooth-xo v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.98s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "d7947a188e4a5d9f41dfeb5e81d265759f6b014b5b8918c31e3e644f63c7a64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7947a188e4a5d9f41dfeb5e81d265759f6b014b5b8918c31e3e644f63c7a64c", kill_on_drop: false }`
[INFO] [stdout] d7947a188e4a5d9f41dfeb5e81d265759f6b014b5b8918c31e3e644f63c7a64c