[INFO] cloning repository https://github.com/fredrkl/rust-programming-language-studying
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fredrkl/rust-programming-language-studying" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrkl%2Frust-programming-language-studying", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrkl%2Frust-programming-language-studying'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2483d23d5b06522579225c735de9072e40bb0f1
[INFO] checking fredrkl/rust-programming-language-studying against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrkl%2Frust-programming-language-studying" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fredrkl/rust-programming-language-studying
[INFO] finished tweaking git repo https://github.com/fredrkl/rust-programming-language-studying
[INFO] tweaked toml for git repo https://github.com/fredrkl/rust-programming-language-studying written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fredrkl/rust-programming-language-studying on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fredrkl/rust-programming-language-studying 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: /workspace/builds/worker-7-tc1/source/Cargo.toml: unused manifest key: workspace.workspace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88078532329e460d915b523c71c3e681f50df90be79f3453254ad9af69658cea
[INFO] running `Command { std: "docker" "start" "-a" "88078532329e460d915b523c71c3e681f50df90be79f3453254ad9af69658cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88078532329e460d915b523c71c3e681f50df90be79f3453254ad9af69658cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88078532329e460d915b523c71c3e681f50df90be79f3453254ad9af69658cea", kill_on_drop: false }`
[INFO] [stdout] 88078532329e460d915b523c71c3e681f50df90be79f3453254ad9af69658cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44418616a88e416816f0e2721567d5cfb29173ecc2ba91460c6912bac0cc2c4f
[INFO] running `Command { std: "docker" "start" "-a" "44418616a88e416816f0e2721567d5cfb29173ecc2ba91460c6912bac0cc2c4f", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/44418616a88e416816f0e2721567d5cfb29173ecc2ba91460c6912bac0cc2c4f/hosts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "44418616a88e416816f0e2721567d5cfb29173ecc2ba91460c6912bac0cc2c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44418616a88e416816f0e2721567d5cfb29173ecc2ba91460c6912bac0cc2c4f", kill_on_drop: false }`
[INFO] [stdout] 44418616a88e416816f0e2721567d5cfb29173ecc2ba91460c6912bac0cc2c4f