[INFO] cloning repository https://github.com/tetcore/substrate-proof-of-existence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetcore/substrate-proof-of-existence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcore%2Fsubstrate-proof-of-existence", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcore%2Fsubstrate-proof-of-existence'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cd47ed2ed20410af44db69b9a0c720498361650
[INFO] testing tetcore/substrate-proof-of-existence against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcore%2Fsubstrate-proof-of-existence" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetcore/substrate-proof-of-existence on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetcore/substrate-proof-of-existence
[INFO] finished tweaking git repo https://github.com/tetcore/substrate-proof-of-existence
[INFO] tweaked toml for git repo https://github.com/tetcore/substrate-proof-of-existence written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tetcore/substrate-proof-of-existence already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35dd12a365dab62682d1d3cac5590d38d3b98253db03daae88ed8db41725e8f4
[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" "35dd12a365dab62682d1d3cac5590d38d3b98253db03daae88ed8db41725e8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35dd12a365dab62682d1d3cac5590d38d3b98253db03daae88ed8db41725e8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35dd12a365dab62682d1d3cac5590d38d3b98253db03daae88ed8db41725e8f4", kill_on_drop: false }`
[INFO] [stdout] 35dd12a365dab62682d1d3cac5590d38d3b98253db03daae88ed8db41725e8f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61209e7e62f41073547caa89604b3f6b6d6fbe7f227f62d714a30adda638a480
[INFO] running `Command { std: "docker" "start" "-a" "61209e7e62f41073547caa89604b3f6b6d6fbe7f227f62d714a30adda638a480", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] [stderr] error: failed to get `sr-std` as a dependency of package `proof-of-existence v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to load source for dependency `sr-std`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update https://github.com/paritytech/substrate.git?branch=v1.0#2f1b89f4
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to fetch into: /opt/rustwide/cargo-home/git/db/substrate-7e08433d4c370a21
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   attempting to update a git repository, but --frozen was specified
[INFO] running `Command { std: "docker" "inspect" "61209e7e62f41073547caa89604b3f6b6d6fbe7f227f62d714a30adda638a480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61209e7e62f41073547caa89604b3f6b6d6fbe7f227f62d714a30adda638a480", kill_on_drop: false }`
[INFO] [stdout] 61209e7e62f41073547caa89604b3f6b6d6fbe7f227f62d714a30adda638a480