[INFO] fetching crate union-fn-macro 0.2.0...
[INFO] checking union-fn-macro-0.2.0 against try#ef5216c337126ffe24d074826f4023948c4a9b8e for pr-137033
[INFO] extracting crate union-fn-macro 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate union-fn-macro 0.2.0 on toolchain ef5216c337126ffe24d074826f4023948c4a9b8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate union-fn-macro 0.2.0
[INFO] finished tweaking crates.io crate union-fn-macro 0.2.0
[INFO] tweaked toml for crates.io crate union-fn-macro 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.98)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8bb13621153e2fdc2a60a7cb97dc02d5479976e84368891619dd49028b50e7c
[INFO] running `Command { std: "docker" "start" "-a" "d8bb13621153e2fdc2a60a7cb97dc02d5479976e84368891619dd49028b50e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8bb13621153e2fdc2a60a7cb97dc02d5479976e84368891619dd49028b50e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8bb13621153e2fdc2a60a7cb97dc02d5479976e84368891619dd49028b50e7c", kill_on_drop: false }`
[INFO] [stdout] d8bb13621153e2fdc2a60a7cb97dc02d5479976e84368891619dd49028b50e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ef5216c337126ffe24d074826f4023948c4a9b8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9406ab3b4a7687c971c3ac9bd68d6f00c9c8ca20e1278d6cbd9f49e6eb084422
[INFO] running `Command { std: "docker" "start" "-a" "9406ab3b4a7687c971c3ac9bd68d6f00c9c8ca20e1278d6cbd9f49e6eb084422", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/9406ab3b4a7687c971c3ac9bd68d6f00c9c8ca20e1278d6cbd9f49e6eb084422/hostname: no space left on device
[INFO] running `Command { std: "docker" "inspect" "9406ab3b4a7687c971c3ac9bd68d6f00c9c8ca20e1278d6cbd9f49e6eb084422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9406ab3b4a7687c971c3ac9bd68d6f00c9c8ca20e1278d6cbd9f49e6eb084422", kill_on_drop: false }`
[INFO] [stdout] 9406ab3b4a7687c971c3ac9bd68d6f00c9c8ca20e1278d6cbd9f49e6eb084422