[INFO] cloning repository https://github.com/salmanferrum/casper-staking-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/salmanferrum/casper-staking-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalmanferrum%2Fcasper-staking-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalmanferrum%2Fcasper-staking-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d93fddb16db5231d2c388055acb6901aeb6778c
[INFO] checking salmanferrum/casper-staking-contract against master#85c39893a761fe4c050523278da4e7e45ab42b6e for pr-134688
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalmanferrum%2Fcasper-staking-contract" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/salmanferrum/casper-staking-contract on toolchain 85c39893a761fe4c050523278da4e7e45ab42b6e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/salmanferrum/casper-staking-contract
[INFO] finished tweaking git repo https://github.com/salmanferrum/casper-staking-contract
[INFO] tweaked toml for git repo https://github.com/salmanferrum/casper-staking-contract written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/salmanferrum/casper-staking-contract 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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded datasize v0.2.10
[INFO] [stderr]   Downloaded schemars v0.8.5
[INFO] [stderr]   Downloaded casper-contract v1.4.4
[INFO] [stderr]   Downloaded hex-buffer-serde v0.3.0
[INFO] [stderr]   Downloaded casper-engine-test-support v2.2.0
[INFO] [stderr]   Downloaded pwasm-utils v0.16.0
[INFO] [stderr]   Downloaded wasmi v0.8.0
[INFO] [stderr]   Downloaded k256 v0.7.3
[INFO] [stderr]   Downloaded casper-hashing v1.4.3
[INFO] [stderr]   Downloaded casper-execution-engine v2.0.0
[INFO] [stderr]   Downloaded casper-execution-engine v1.5.0
[INFO] [stderr]   Downloaded hex-buffer-serde v0.2.2
[INFO] [stderr]   Downloaded datasize_derive v0.2.10
[INFO] [stderr]   Downloaded schemars_derive v0.8.5
[INFO] [stderr]   Downloaded casper-types v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 858cf70ca8a8aa3fe9e898d81f3ac5d7b883d9e1b76433a04bc6bfde851317f3
[INFO] running `Command { std: "docker" "start" "-a" "858cf70ca8a8aa3fe9e898d81f3ac5d7b883d9e1b76433a04bc6bfde851317f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858cf70ca8a8aa3fe9e898d81f3ac5d7b883d9e1b76433a04bc6bfde851317f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858cf70ca8a8aa3fe9e898d81f3ac5d7b883d9e1b76433a04bc6bfde851317f3", kill_on_drop: false }`
[INFO] [stdout] 858cf70ca8a8aa3fe9e898d81f3ac5d7b883d9e1b76433a04bc6bfde851317f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a6e3d151478a8d9569ff3e683ea1d2f4fbbe15d621068fae73a8569192052a
[INFO] running `Command { std: "docker" "start" "-a" "40a6e3d151478a8d9569ff3e683ea1d2f4fbbe15d621068fae73a8569192052a", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/ca6782499ecb60132b8cbb30ace18ddb2d6366e7164b9c8d17fdcb4114fd6d55/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "40a6e3d151478a8d9569ff3e683ea1d2f4fbbe15d621068fae73a8569192052a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a6e3d151478a8d9569ff3e683ea1d2f4fbbe15d621068fae73a8569192052a", kill_on_drop: false }`
[INFO] [stdout] 40a6e3d151478a8d9569ff3e683ea1d2f4fbbe15d621068fae73a8569192052a