[INFO] cloning repository https://github.com/zippiehq/vdf_js
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zippiehq/vdf_js" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzippiehq%2Fvdf_js", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzippiehq%2Fvdf_js'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97d0fbd2970a1904f6bd8e50d57cc1c526834523
[INFO] checking zippiehq/vdf_js against master#8f08b3a32478b8d0507732800ecb548a76e0fd0c for pr-144157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzippiehq%2Fvdf_js" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zippiehq/vdf_js
[INFO] finished tweaking git repo https://github.com/zippiehq/vdf_js
[INFO] tweaked toml for git repo https://github.com/zippiehq/vdf_js written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zippiehq/vdf_js on toolchain 8f08b3a32478b8d0507732800ecb548a76e0fd0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zippiehq/vdf_js 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" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded neon-build v0.10.1
[INFO] [stderr]   Downloaded vdf v0.1.0
[INFO] [stderr]   Downloaded neon-macros v0.10.1
[INFO] [stderr]   Downloaded neon-runtime v0.10.1
[INFO] [stderr]   Downloaded classgroup v0.1.0
[INFO] [stderr]   Downloaded neon v0.10.1
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2751418fc1fc493abea8c26a85e3c246545a54ddd7bf6bc5ad0e58b9a73ee47
[INFO] running `Command { std: "docker" "start" "-a" "f2751418fc1fc493abea8c26a85e3c246545a54ddd7bf6bc5ad0e58b9a73ee47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2751418fc1fc493abea8c26a85e3c246545a54ddd7bf6bc5ad0e58b9a73ee47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2751418fc1fc493abea8c26a85e3c246545a54ddd7bf6bc5ad0e58b9a73ee47", kill_on_drop: false }`
[INFO] [stdout] f2751418fc1fc493abea8c26a85e3c246545a54ddd7bf6bc5ad0e58b9a73ee47
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+8f08b3a32478b8d0507732800ecb548a76e0fd0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9934e1eab473ed56ceead66ee541e90a8c4ba1ffb14bc6d3d8cf4e3f7678abbe
[INFO] running `Command { std: "docker" "start" "-a" "9934e1eab473ed56ceead66ee541e90a8c4ba1ffb14bc6d3d8cf4e3f7678abbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling neon-build v0.10.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling vdf v0.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking neon-runtime v0.10.1
[INFO] [stderr]    Compiling neon v0.10.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking classgroup v0.1.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling neon-macros v0.10.1
[INFO] [stderr]     Checking vdf_js v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: vdf 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 1`
[INFO] running `Command { std: "docker" "inspect" "9934e1eab473ed56ceead66ee541e90a8c4ba1ffb14bc6d3d8cf4e3f7678abbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9934e1eab473ed56ceead66ee541e90a8c4ba1ffb14bc6d3d8cf4e3f7678abbe", kill_on_drop: false }`
[INFO] [stdout] 9934e1eab473ed56ceead66ee541e90a8c4ba1ffb14bc6d3d8cf4e3f7678abbe