[INFO] fetching crate armistice_core 0.0.0...
[INFO] testing armistice_core-0.0.0 against 1.55.0 for beta-1.56-2
[INFO] extracting crate armistice_core 0.0.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate armistice_core 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate armistice_core 0.0.0
[INFO] finished tweaking crates.io crate armistice_core 0.0.0
[INFO] tweaked toml for crates.io crate armistice_core 0.0.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 153928acfd555923d160d90fa7a787dbce16a6c85bb1571bd399c34ba564fb39
[INFO] running `Command { std: "docker" "start" "-a" "153928acfd555923d160d90fa7a787dbce16a6c85bb1571bd399c34ba564fb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153928acfd555923d160d90fa7a787dbce16a6c85bb1571bd399c34ba564fb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153928acfd555923d160d90fa7a787dbce16a6c85bb1571bd399c34ba564fb39", kill_on_drop: false }`
[INFO] [stdout] 153928acfd555923d160d90fa7a787dbce16a6c85bb1571bd399c34ba564fb39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 052abbc979b9e586cb8e4165d7a99b64f7e0c3230870547b00c04336a0c68ed7
[INFO] running `Command { std: "docker" "start" "-a" "052abbc979b9e586cb8e4165d7a99b64f7e0c3230870547b00c04336a0c68ed7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling armistice_protos v0.0.0
[INFO] [stderr]    Compiling armistice_core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.18s
[INFO] running `Command { std: "docker" "inspect" "052abbc979b9e586cb8e4165d7a99b64f7e0c3230870547b00c04336a0c68ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052abbc979b9e586cb8e4165d7a99b64f7e0c3230870547b00c04336a0c68ed7", kill_on_drop: false }`
[INFO] [stdout] 052abbc979b9e586cb8e4165d7a99b64f7e0c3230870547b00c04336a0c68ed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49e88b6113ba4ee67e84b79b4334c86bf9b737247b0ddb32b420c58332d72a24
[INFO] running `Command { std: "docker" "start" "-a" "49e88b6113ba4ee67e84b79b4334c86bf9b737247b0ddb32b420c58332d72a24", kill_on_drop: false }`
[INFO] [stderr]    Compiling armistice_core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "49e88b6113ba4ee67e84b79b4334c86bf9b737247b0ddb32b420c58332d72a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e88b6113ba4ee67e84b79b4334c86bf9b737247b0ddb32b420c58332d72a24", kill_on_drop: false }`
[INFO] [stdout] 49e88b6113ba4ee67e84b79b4334c86bf9b737247b0ddb32b420c58332d72a24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1448c6801c669e492e1e6adea32e780144d26dd5af8bb5880b75267af8240427
[INFO] running `Command { std: "docker" "start" "-a" "1448c6801c669e492e1e6adea32e780144d26dd5af8bb5880b75267af8240427", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/armistice_core-dc7208d1850aaab7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests armistice_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1448c6801c669e492e1e6adea32e780144d26dd5af8bb5880b75267af8240427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1448c6801c669e492e1e6adea32e780144d26dd5af8bb5880b75267af8240427", kill_on_drop: false }`
[INFO] [stdout] 1448c6801c669e492e1e6adea32e780144d26dd5af8bb5880b75267af8240427