[INFO] fetching crate range-mutex 0.1.6...
[INFO] testing range-mutex-0.1.6 against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] extracting crate range-mutex 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate range-mutex 0.1.6
[INFO] finished tweaking crates.io crate range-mutex 0.1.6
[INFO] tweaked toml for crates.io crate range-mutex 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate range-mutex 0.1.6 on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "generate-lockfile" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2280ad5b14da1c791b1e2c4a28d05c9814d706ae9ee1bf9ac6756b3355991432
[INFO] running `Command { std: "docker" "start" "-a" "2280ad5b14da1c791b1e2c4a28d05c9814d706ae9ee1bf9ac6756b3355991432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2280ad5b14da1c791b1e2c4a28d05c9814d706ae9ee1bf9ac6756b3355991432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2280ad5b14da1c791b1e2c4a28d05c9814d706ae9ee1bf9ac6756b3355991432", kill_on_drop: false }`
[INFO] [stdout] 2280ad5b14da1c791b1e2c4a28d05c9814d706ae9ee1bf9ac6756b3355991432


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/45c027f270f75c0c569cfd59e0792957d29044580aec313554aaab93a160aa27/merged: no space left on device