[INFO] cloning repository https://github.com/monadplus/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monadplus/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonadplus%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonadplus%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 206216ec2bb3b64b470597b8485f468cb72a1cf2
[INFO] testing monadplus/rust-playground against 1.84.0 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonadplus%2Frust-playground" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/monadplus/rust-playground on toolchain 1.84.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/monadplus/rust-playground
[INFO] finished tweaking git repo https://github.com/monadplus/rust-playground
[INFO] tweaked toml for git repo https://github.com/monadplus/rust-playground written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/monadplus/rust-playground 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" "+1.84.0" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-build v0.13.2
[INFO] [stderr]   Downloaded prost v0.13.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.5
[INFO] [stderr]   Downloaded atomic-wait v1.1.0
[INFO] [stderr]   Downloaded iso8601 v0.6.1
[INFO] [stderr]   Downloaded prost-derive v0.13.2
[INFO] [stderr]   Downloaded rust_decimal_macros v1.36.0
[INFO] [stderr]   Downloaded prost-types v0.13.2
[INFO] [stderr]   Downloaded num-cmp v0.1.0
[INFO] [stderr]   Downloaded fraction v0.15.3
[INFO] [stderr]   Downloaded jsonschema v0.19.1
[INFO] [stderr]   Downloaded uuid-simd v0.8.0
[INFO] [stderr]   Downloaded zerocopy v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21fe0f095960e7108aa2151d987622de3121d1338ab041f148993f262db022ea
[INFO] running `Command { std: "docker" "start" "-a" "21fe0f095960e7108aa2151d987622de3121d1338ab041f148993f262db022ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21fe0f095960e7108aa2151d987622de3121d1338ab041f148993f262db022ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fe0f095960e7108aa2151d987622de3121d1338ab041f148993f262db022ea", kill_on_drop: false }`
[INFO] [stdout] 21fe0f095960e7108aa2151d987622de3121d1338ab041f148993f262db022ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a96fab334a5f66160f5b3d484167153aa740992bb5092ccd993dc44b5045100
[INFO] running `Command { std: "docker" "start" "-a" "6a96fab334a5f66160f5b3d484167153aa740992bb5092ccd993dc44b5045100", 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/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/b5ead4dfac6cf298f7c12e03a3767c81e367dba1dd98fb7df557633c83548113/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "6a96fab334a5f66160f5b3d484167153aa740992bb5092ccd993dc44b5045100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a96fab334a5f66160f5b3d484167153aa740992bb5092ccd993dc44b5045100", kill_on_drop: false }`
[INFO] [stdout] 6a96fab334a5f66160f5b3d484167153aa740992bb5092ccd993dc44b5045100