[INFO] crate osclientcerts 0.1.2 is already in cache
[INFO] checking osclientcerts-0.1.2 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate osclientcerts 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate osclientcerts 0.1.2 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate osclientcerts 0.1.2
[INFO] finished tweaking crates.io crate osclientcerts 0.1.2
[INFO] tweaked toml for crates.io crate osclientcerts 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2e37b374b702a73b0e6a354f1e57c9417b91c359b1baf4c5f21f26806c905fe
[INFO] running `"docker" "start" "-a" "b2e37b374b702a73b0e6a354f1e57c9417b91c359b1baf4c5f21f26806c905fe"`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]    Compiling osclientcerts v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `bindgen`
[INFO] [stderr]  --> build.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use bindgen;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> build.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `build_script_build`
[INFO] [stderr]   --> build.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / use bindgen;
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | | use std::env;
[INFO] [stderr] 4  | | use std::path::PathBuf;
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |         .expect("Couldn't write bindings");
[INFO] [stderr] 64 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `build.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `osclientcerts`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b2e37b374b702a73b0e6a354f1e57c9417b91c359b1baf4c5f21f26806c905fe"`
[INFO] running `"docker" "rm" "-f" "b2e37b374b702a73b0e6a354f1e57c9417b91c359b1baf4c5f21f26806c905fe"`
[INFO] [stdout] b2e37b374b702a73b0e6a354f1e57c9417b91c359b1baf4c5f21f26806c905fe