[INFO] fetching crate connection_string_generator 0.2.0...
[INFO] checking connection_string_generator-0.2.0 against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272
[INFO] extracting crate connection_string_generator 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate connection_string_generator 0.2.0 on toolchain ae258e1fcbee4a062f5f3d869f06004d7cea088e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate connection_string_generator 0.2.0
[INFO] finished tweaking crates.io crate connection_string_generator 0.2.0
[INFO] tweaked toml for crates.io crate connection_string_generator 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "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" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a1a1dbe1967a0ba68f1cd0a93862fc88b28968187875ef2639baab735cd8751
[INFO] running `Command { std: "docker" "start" "-a" "1a1a1dbe1967a0ba68f1cd0a93862fc88b28968187875ef2639baab735cd8751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a1a1dbe1967a0ba68f1cd0a93862fc88b28968187875ef2639baab735cd8751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1a1dbe1967a0ba68f1cd0a93862fc88b28968187875ef2639baab735cd8751", kill_on_drop: false }`
[INFO] [stdout] 1a1a1dbe1967a0ba68f1cd0a93862fc88b28968187875ef2639baab735cd8751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16b270eee4d093111ebca22a54c5a95145d218090daf8b8b707fb386e7bb4f2f
[INFO] running `Command { std: "docker" "start" "-a" "16b270eee4d093111ebca22a54c5a95145d218090daf8b8b707fb386e7bb4f2f", 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/overlay2/76d96258d262b4086102b14ade9cb2e601ef2c889adc90d34948917a920c9928/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "16b270eee4d093111ebca22a54c5a95145d218090daf8b8b707fb386e7bb4f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b270eee4d093111ebca22a54c5a95145d218090daf8b8b707fb386e7bb4f2f", kill_on_drop: false }`
[INFO] [stdout] 16b270eee4d093111ebca22a54c5a95145d218090daf8b8b707fb386e7bb4f2f