[INFO] fetching crate readconfig 0.2.5...
[INFO] testing readconfig-0.2.5 against 1.95.0 for beta-1.96-1
[INFO] extracting crate readconfig 0.2.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate readconfig 0.2.5
[INFO] finished tweaking crates.io crate readconfig 0.2.5
[INFO] tweaked toml for crates.io crate readconfig 0.2.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate readconfig 0.2.5 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1634950eda3c7dcd6ccfa45abf47a0b195fe0f74d408a78d7cd5a940d9490417
[INFO] running `Command { std: "docker" "start" "-a" "1634950eda3c7dcd6ccfa45abf47a0b195fe0f74d408a78d7cd5a940d9490417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1634950eda3c7dcd6ccfa45abf47a0b195fe0f74d408a78d7cd5a940d9490417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1634950eda3c7dcd6ccfa45abf47a0b195fe0f74d408a78d7cd5a940d9490417", kill_on_drop: false }`
[INFO] [stdout] 1634950eda3c7dcd6ccfa45abf47a0b195fe0f74d408a78d7cd5a940d9490417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e5c072d1b7e27f877c24bcf4e929c2128f30ef85ded54680b8557846fb92945
[INFO] running `Command { std: "docker" "start" "-a" "3e5c072d1b7e27f877c24bcf4e929c2128f30ef85ded54680b8557846fb92945", kill_on_drop: false }`
[INFO] [stderr]    Compiling readconfig v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "3e5c072d1b7e27f877c24bcf4e929c2128f30ef85ded54680b8557846fb92945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5c072d1b7e27f877c24bcf4e929c2128f30ef85ded54680b8557846fb92945", kill_on_drop: false }`
[INFO] [stdout] 3e5c072d1b7e27f877c24bcf4e929c2128f30ef85ded54680b8557846fb92945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b11921e302430ad6bfdb7922df29e815179fc8b984e571492d62c28e3a061d6
[INFO] running `Command { std: "docker" "start" "-a" "4b11921e302430ad6bfdb7922df29e815179fc8b984e571492d62c28e3a061d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling readconfig v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaNnmHNa"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `readconfig` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4b11921e302430ad6bfdb7922df29e815179fc8b984e571492d62c28e3a061d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b11921e302430ad6bfdb7922df29e815179fc8b984e571492d62c28e3a061d6", kill_on_drop: false }`
[INFO] [stdout] 4b11921e302430ad6bfdb7922df29e815179fc8b984e571492d62c28e3a061d6