[INFO] fetching crate daxpedda-vsprintf 1.0.2-pr...
[INFO] checking daxpedda-vsprintf-1.0.2-pr against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate daxpedda-vsprintf 1.0.2-pr into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate daxpedda-vsprintf 1.0.2-pr on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate daxpedda-vsprintf 1.0.2-pr
[INFO] finished tweaking crates.io crate daxpedda-vsprintf 1.0.2-pr
[INFO] tweaked toml for crates.io crate daxpedda-vsprintf 1.0.2-pr written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1537626aff8e28da8a62937d7ff34f39d51f4c6ec149d018a64ac9c0f5dd029
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a1537626aff8e28da8a62937d7ff34f39d51f4c6ec149d018a64ac9c0f5dd029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1537626aff8e28da8a62937d7ff34f39d51f4c6ec149d018a64ac9c0f5dd029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1537626aff8e28da8a62937d7ff34f39d51f4c6ec149d018a64ac9c0f5dd029", kill_on_drop: false }`
[INFO] [stdout] a1537626aff8e28da8a62937d7ff34f39d51f4c6ec149d018a64ac9c0f5dd029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 263e35bcaeb5c56b2990d57664f90a4c8a06f95f9d51bf8bec3eaa1f5bbdff2d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "263e35bcaeb5c56b2990d57664f90a4c8a06f95f9d51bf8bec3eaa1f5bbdff2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling daxpedda-vsprintf v1.0.2-pr (/opt/rustwide/workdir)
[INFO] [stderr]     Checking libc v0.2.81
[INFO] [stdout] warning: use of deprecated function `gcc::compile_library`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     gcc::compile_library("libvsprintf.a", &["src/lib.c"]);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "263e35bcaeb5c56b2990d57664f90a4c8a06f95f9d51bf8bec3eaa1f5bbdff2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263e35bcaeb5c56b2990d57664f90a4c8a06f95f9d51bf8bec3eaa1f5bbdff2d", kill_on_drop: false }`
[INFO] [stdout] 263e35bcaeb5c56b2990d57664f90a4c8a06f95f9d51bf8bec3eaa1f5bbdff2d