[INFO] fetching crate rust10x 0.0.1...
[INFO] testing rust10x-0.0.1 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate rust10x 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rust10x 0.0.1 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust10x 0.0.1
[INFO] finished tweaking crates.io crate rust10x 0.0.1
[INFO] tweaked toml for crates.io crate rust10x 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate rust10x 0.0.1 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8555ff294ebd70bd2cef4009ecb350d32c27608def4e91804a98db1f0ab4ecc1
[INFO] running `Command { std: "docker" "start" "-a" "8555ff294ebd70bd2cef4009ecb350d32c27608def4e91804a98db1f0ab4ecc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8555ff294ebd70bd2cef4009ecb350d32c27608def4e91804a98db1f0ab4ecc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8555ff294ebd70bd2cef4009ecb350d32c27608def4e91804a98db1f0ab4ecc1", kill_on_drop: false }`
[INFO] [stdout] 8555ff294ebd70bd2cef4009ecb350d32c27608def4e91804a98db1f0ab4ecc1
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de3fab85ce19f38e3ba7eb5d6da3153c3e9418c221474dfe1e50c55718c3d97a
[INFO] running `Command { std: "docker" "start" "-a" "de3fab85ce19f38e3ba7eb5d6da3153c3e9418c221474dfe1e50c55718c3d97a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust10x v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "de3fab85ce19f38e3ba7eb5d6da3153c3e9418c221474dfe1e50c55718c3d97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3fab85ce19f38e3ba7eb5d6da3153c3e9418c221474dfe1e50c55718c3d97a", kill_on_drop: false }`
[INFO] [stdout] de3fab85ce19f38e3ba7eb5d6da3153c3e9418c221474dfe1e50c55718c3d97a
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e464749487ffc010032a82fa2354db2f16d94d4868b6502b590a46ec6adaa50
[INFO] running `Command { std: "docker" "start" "-a" "9e464749487ffc010032a82fa2354db2f16d94d4868b6502b590a46ec6adaa50", 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/rustup-home" to rootfs at "/opt/rustwide/rustup-home": mkdir /var/lib/docker/overlay2/1b244a70026576bb236a3494b34440bc683c05dbe0d11efa5ab187cb50380bd2/merged/opt/rustwide/rustup-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "9e464749487ffc010032a82fa2354db2f16d94d4868b6502b590a46ec6adaa50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e464749487ffc010032a82fa2354db2f16d94d4868b6502b590a46ec6adaa50", kill_on_drop: false }`
[INFO] [stdout] 9e464749487ffc010032a82fa2354db2f16d94d4868b6502b590a46ec6adaa50