[INFO] cloning repository https://github.com/jessaimaya/server_puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jessaimaya/server_puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessaimaya%2Fserver_puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessaimaya%2Fserver_puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed662f15053d645a4583e213cd4d888b783e5ec3
[INFO] checking jessaimaya/server_puzzle against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjessaimaya%2Fserver_puzzle" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jessaimaya/server_puzzle
[INFO] finished tweaking git repo https://github.com/jessaimaya/server_puzzle
[INFO] tweaked toml for git repo https://github.com/jessaimaya/server_puzzle written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jessaimaya/server_puzzle on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jessaimaya/server_puzzle 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded url v2.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded time v0.2.26
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded futures-sink v0.3.13
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded pin-project-internal v1.0.6
[INFO] [stderr]   Downloaded async-trait v0.1.48
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded futures v0.3.13
[INFO] [stderr]   Downloaded unicode-normalization v0.1.17
[INFO] [stderr]   Downloaded derive_more v0.99.13
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded futures-util v0.3.13
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded idna v0.2.2
[INFO] [stderr]   Downloaded httparse v1.3.6
[INFO] [stderr]   Downloaded futures-channel v0.3.13
[INFO] [stderr]   Downloaded pin-project v1.0.6
[INFO] [stderr]   Downloaded regex v1.4.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.23
[INFO] [stderr]   Downloaded const_fn v0.4.6
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded futures-macro v0.3.13
[INFO] [stderr]   Downloaded futures-task v0.3.13
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded futures-core v0.3.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc6c9d7f412da6209fcf98ba9886f4bca2113bd5349c200167b3a28b49f23c68
[INFO] running `Command { std: "docker" "start" "-a" "dc6c9d7f412da6209fcf98ba9886f4bca2113bd5349c200167b3a28b49f23c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6c9d7f412da6209fcf98ba9886f4bca2113bd5349c200167b3a28b49f23c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6c9d7f412da6209fcf98ba9886f4bca2113bd5349c200167b3a28b49f23c68", kill_on_drop: false }`
[INFO] [stdout] dc6c9d7f412da6209fcf98ba9886f4bca2113bd5349c200167b3a28b49f23c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5e4af8746f27d5924e2b623ca44b701298ca9f77fb89c6a4f42bbdac75c6ec6
[INFO] running `Command { std: "docker" "start" "-a" "a5e4af8746f27d5924e2b623ca44b701298ca9f77fb89c6a4f42bbdac75c6ec6", 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: unable to apply cgroup configuration: unable to start unit "docker-a5e4af8746f27d5924e2b623ca44b701298ca9f77fb89c6a4f42bbdac75c6ec6.scope" (properties [{Name:Description Value:"libcontainer container a5e4af8746f27d5924e2b623ca44b701298ca9f77fb89c6a4f42bbdac75c6ec6"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [4143015]} {Name:MemoryAccounting Value:true} {Name:CPUAccounting Value:true} {Name:IOAccounting Value:true} {Name:TasksAccounting Value:true} {Name:DefaultDependencies Value:false}]): Message recipient disconnected from message bus without replying: unknown
[INFO] running `Command { std: "docker" "inspect" "a5e4af8746f27d5924e2b623ca44b701298ca9f77fb89c6a4f42bbdac75c6ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e4af8746f27d5924e2b623ca44b701298ca9f77fb89c6a4f42bbdac75c6ec6", kill_on_drop: false }`
[INFO] [stdout] a5e4af8746f27d5924e2b623ca44b701298ca9f77fb89c6a4f42bbdac75c6ec6