[INFO] cloning repository https://github.com/Bosswell/block_chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bosswell/block_chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBosswell%2Fblock_chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBosswell%2Fblock_chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51fbb5ada2e50f043acf24b862edf9091f7bf1ea
[INFO] checking Bosswell/block_chain against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBosswell%2Fblock_chain" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bosswell/block_chain on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bosswell/block_chain
[INFO] finished tweaking git repo https://github.com/Bosswell/block_chain
[INFO] tweaked toml for git repo https://github.com/Bosswell/block_chain written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Bosswell/block_chain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-hashes v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c3f9a7c4e6c1141a951b554696192a26895830d0ce87611d3727118e67a5285
[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" "1c3f9a7c4e6c1141a951b554696192a26895830d0ce87611d3727118e67a5285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c3f9a7c4e6c1141a951b554696192a26895830d0ce87611d3727118e67a5285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3f9a7c4e6c1141a951b554696192a26895830d0ce87611d3727118e67a5285", kill_on_drop: false }`
[INFO] [stdout] 1c3f9a7c4e6c1141a951b554696192a26895830d0ce87611d3727118e67a5285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7746fe3b7ef066de9eb12fe1f3aab9fc03ad92d985c8c13cdfb069573d72a67d
[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" "7746fe3b7ef066de9eb12fe1f3aab9fc03ad92d985c8c13cdfb069573d72a67d", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking whirlpool v0.9.0
[INFO] [stderr]     Checking groestl v0.9.0
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking crypto-hashes v0.9.0
[INFO] [stderr]     Checking block_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "7746fe3b7ef066de9eb12fe1f3aab9fc03ad92d985c8c13cdfb069573d72a67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7746fe3b7ef066de9eb12fe1f3aab9fc03ad92d985c8c13cdfb069573d72a67d", kill_on_drop: false }`
[INFO] [stdout] 7746fe3b7ef066de9eb12fe1f3aab9fc03ad92d985c8c13cdfb069573d72a67d