[INFO] cloning repository https://github.com/mvasquezb/blockchains-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvasquezb/blockchains-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvasquezb%2Fblockchains-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvasquezb%2Fblockchains-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87a3bb3033b819978620064083ae73029ea4149a
[INFO] checking mvasquezb/blockchains-example against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvasquezb%2Fblockchains-example" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mvasquezb/blockchains-example on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mvasquezb/blockchains-example
[INFO] finished tweaking git repo https://github.com/mvasquezb/blockchains-example
[INFO] tweaked toml for git repo https://github.com/mvasquezb/blockchains-example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mvasquezb/blockchains-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b96217e5aedeb65623cf6b7538cee5fd541a08dcb117b90456b5825ac234057f
[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" "b96217e5aedeb65623cf6b7538cee5fd541a08dcb117b90456b5825ac234057f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b96217e5aedeb65623cf6b7538cee5fd541a08dcb117b90456b5825ac234057f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96217e5aedeb65623cf6b7538cee5fd541a08dcb117b90456b5825ac234057f", kill_on_drop: false }`
[INFO] [stdout] b96217e5aedeb65623cf6b7538cee5fd541a08dcb117b90456b5825ac234057f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 464049f5ea6b4c0c57cef50e1569ccedf2f7e6b8bc1fc1e2784bd7e69fc90de4
[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" "464049f5ea6b4c0c57cef50e1569ccedf2f7e6b8bc1fc1e2784bd7e69fc90de4", kill_on_drop: false }`
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking tiny-keccak v1.3.1
[INFO] [stderr]     Checking nodrop v0.1.10
[INFO] [stderr]     Checking arrayvec v0.3.23
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]    Compiling secp256k1 v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking eth-crypto v0.1.0 (https://github.com/forrest-marshall/eth-crypto.git#05179c7a)
[INFO] [stderr]     Checking blockchains v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.99s
[INFO] running `Command { std: "docker" "inspect" "464049f5ea6b4c0c57cef50e1569ccedf2f7e6b8bc1fc1e2784bd7e69fc90de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464049f5ea6b4c0c57cef50e1569ccedf2f7e6b8bc1fc1e2784bd7e69fc90de4", kill_on_drop: false }`
[INFO] [stdout] 464049f5ea6b4c0c57cef50e1569ccedf2f7e6b8bc1fc1e2784bd7e69fc90de4