[INFO] fetching crate c_string 0.7.2...
[INFO] checking c_string-0.7.2 against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] extracting crate c_string 0.7.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate c_string 0.7.2 on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c_string 0.7.2
[INFO] finished tweaking crates.io crate c_string 0.7.2
[INFO] tweaked toml for crates.io crate c_string 0.7.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: symlink ../99b6e6bb1824ec330f1bf45d6d9c45eb0b99366d4c25db5965684451c4f3244a-init/diff /var/lib/docker/overlay2/l/755ULNBKMSK2327I3ERCQZETGR: no space left on device
[INFO] checking c_string-0.7.2 against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] extracting crate c_string 0.7.2 into /workspace/builds/worker-0-tc2/source
[INFO] checking c_string-0.7.2 against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] extracting crate c_string 0.7.2 into /workspace/builds/worker-0-tc2/source
[INFO] checking c_string-0.7.2 against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] extracting crate c_string 0.7.2 into /workspace/builds/worker-0-tc2/source
[INFO] checking c_string-0.7.2 against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] extracting crate c_string 0.7.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate c_string 0.7.2 on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c_string 0.7.2
[INFO] finished tweaking crates.io crate c_string 0.7.2
[INFO] tweaked toml for crates.io crate c_string 0.7.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7529c72f88c6559feb0942282c7422d08c61976fdf574c1165f48f5d5d4b33da
[INFO] running `Command { std: "docker" "start" "-a" "7529c72f88c6559feb0942282c7422d08c61976fdf574c1165f48f5d5d4b33da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7529c72f88c6559feb0942282c7422d08c61976fdf574c1165f48f5d5d4b33da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7529c72f88c6559feb0942282c7422d08c61976fdf574c1165f48f5d5d4b33da", kill_on_drop: false }`
[INFO] [stdout] 7529c72f88c6559feb0942282c7422d08c61976fdf574c1165f48f5d5d4b33da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b1eadfd28ef44ad4ce6e183df260bf526a4ece13ae82c919d18f021bdc21aa2
[INFO] running `Command { std: "docker" "start" "-a" "5b1eadfd28ef44ad4ce6e183df260bf526a4ece13ae82c919d18f021bdc21aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking c_string v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "5b1eadfd28ef44ad4ce6e183df260bf526a4ece13ae82c919d18f021bdc21aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1eadfd28ef44ad4ce6e183df260bf526a4ece13ae82c919d18f021bdc21aa2", kill_on_drop: false }`
[INFO] [stdout] 5b1eadfd28ef44ad4ce6e183df260bf526a4ece13ae82c919d18f021bdc21aa2