[INFO] crate cr 0.1.1 is already in cache
[INFO] testing cr-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate cr 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cr 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cr 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cr 0.1.1
[INFO] tweaked toml for crates.io crate cr 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7a1393a428b27e544dfb137f88d905b6e2701ee70196ba5ab65d9bb8dfb8d77
[INFO] running `"docker" "start" "-a" "e7a1393a428b27e544dfb137f88d905b6e2701ee70196ba5ab65d9bb8dfb8d77"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling cr-sys v0.1.1
[INFO] [stderr]    Compiling cr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `"docker" "inspect" "e7a1393a428b27e544dfb137f88d905b6e2701ee70196ba5ab65d9bb8dfb8d77"`
[INFO] running `"docker" "rm" "-f" "e7a1393a428b27e544dfb137f88d905b6e2701ee70196ba5ab65d9bb8dfb8d77"`
[INFO] [stdout] e7a1393a428b27e544dfb137f88d905b6e2701ee70196ba5ab65d9bb8dfb8d77
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f1d1fad4c1299f05b116e2a76a4ee1962bd21760d683abc6e6b4fd8f0aef86b
[INFO] running `"docker" "start" "-a" "5f1d1fad4c1299f05b116e2a76a4ee1962bd21760d683abc6e6b4fd8f0aef86b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `basic_state`
[INFO] [stderr]  --> examples/basic_state.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / #[derive(Debug)]
[INFO] [stderr] 2 | | pub struct BasicState {
[INFO] [stderr] 3 | |     pub counter: i32,
[INFO] [stderr] 4 | | }
[INFO] [stderr] 5 | |
[INFO] [stderr] 6 | | pub type BasicPlugin = cr::Plugin<BasicState>;
[INFO] [stderr]   | |______________________________________________^ consider adding a `main` function to `examples/basic_state.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `cr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5f1d1fad4c1299f05b116e2a76a4ee1962bd21760d683abc6e6b4fd8f0aef86b"`
[INFO] running `"docker" "rm" "-f" "5f1d1fad4c1299f05b116e2a76a4ee1962bd21760d683abc6e6b4fd8f0aef86b"`
[INFO] [stdout] 5f1d1fad4c1299f05b116e2a76a4ee1962bd21760d683abc6e6b4fd8f0aef86b