[INFO] fetching crate sawtooth-xo 0.5.0...
[INFO] checking sawtooth-xo-0.5.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate sawtooth-xo 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sawtooth-xo 0.5.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sawtooth-xo 0.5.0
[INFO] finished tweaking crates.io crate sawtooth-xo 0.5.0
[INFO] tweaked toml for crates.io crate sawtooth-xo 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate sawtooth-xo 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf v2.17.0
[INFO] [stderr]   Downloaded flate2 v1.0.17
[INFO] [stderr]   Downloaded ordered-float v1.1.0
[INFO] [stderr]   Downloaded protoc v2.17.0
[INFO] [stderr]   Downloaded ctrlc v3.1.6
[INFO] [stderr]   Downloaded protoc-rust v2.17.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] [stderr]   Downloaded sabre-sdk v0.4.2
[INFO] [stderr]   Downloaded rust-crypto-wasm v0.3.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.17.0
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded cc v1.0.59
[INFO] [stderr]   Downloaded sawtooth-sdk v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 191e5cca015c4fc09cc938129b3654ae22921f6f7c27a59e142f4226b603cb72
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "191e5cca015c4fc09cc938129b3654ae22921f6f7c27a59e142f4226b603cb72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "191e5cca015c4fc09cc938129b3654ae22921f6f7c27a59e142f4226b603cb72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191e5cca015c4fc09cc938129b3654ae22921f6f7c27a59e142f4226b603cb72", kill_on_drop: false }`
[INFO] [stdout] 191e5cca015c4fc09cc938129b3654ae22921f6f7c27a59e142f4226b603cb72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3748489ceb3e131a7a96caa714cdf6b02c7abfdf9e57f60bd234ead9a54bf08
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3748489ceb3e131a7a96caa714cdf6b02c7abfdf9e57f60bd234ead9a54bf08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling protobuf v2.17.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling secp256k1 v0.7.1
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]    Compiling protobuf-codegen v2.17.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling protoc v2.17.0
[INFO] [stderr]    Compiling protoc-rust v2.17.0
[INFO] [stderr]    Compiling sawtooth-sdk v0.5.0
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking sawtooth-xo v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "a3748489ceb3e131a7a96caa714cdf6b02c7abfdf9e57f60bd234ead9a54bf08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3748489ceb3e131a7a96caa714cdf6b02c7abfdf9e57f60bd234ead9a54bf08", kill_on_drop: false }`
[INFO] [stdout] a3748489ceb3e131a7a96caa714cdf6b02c7abfdf9e57f60bd234ead9a54bf08