[INFO] cloning repository https://github.com/de-sh/blockchain-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/de-sh/blockchain-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-sh%2Fblockchain-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-sh%2Fblockchain-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39aa3671a5b8cc576b4e0bc748ebceeb15cf7c3d
[INFO] checking de-sh/blockchain-rs against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fde-sh%2Fblockchain-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/de-sh/blockchain-rs on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/de-sh/blockchain-rs
[INFO] finished tweaking git repo https://github.com/de-sh/blockchain-rs
[INFO] tweaked toml for git repo https://github.com/de-sh/blockchain-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/de-sh/blockchain-rs 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" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded bytes v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d366571cb7c0d9a92846160a8fa8aefb36ef0cee68adb8a5a8dcfe0428f129ff
[INFO] running `Command { std: "docker" "start" "-a" "d366571cb7c0d9a92846160a8fa8aefb36ef0cee68adb8a5a8dcfe0428f129ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d366571cb7c0d9a92846160a8fa8aefb36ef0cee68adb8a5a8dcfe0428f129ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d366571cb7c0d9a92846160a8fa8aefb36ef0cee68adb8a5a8dcfe0428f129ff", kill_on_drop: false }`
[INFO] [stdout] d366571cb7c0d9a92846160a8fa8aefb36ef0cee68adb8a5a8dcfe0428f129ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36509287b51d0459bc8703d79a0f61595a57b3acce38c8214af40552fa56acb2
[INFO] running `Command { std: "docker" "start" "-a" "36509287b51d0459bc8703d79a0f61595a57b3acce38c8214af40552fa56acb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "36509287b51d0459bc8703d79a0f61595a57b3acce38c8214af40552fa56acb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36509287b51d0459bc8703d79a0f61595a57b3acce38c8214af40552fa56acb2", kill_on_drop: false }`
[INFO] [stdout] 36509287b51d0459bc8703d79a0f61595a57b3acce38c8214af40552fa56acb2