[INFO] updating cached repository https://github.com/tshepang/sbg
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aab3987fb67fb5a169804f1d446b928539e2f79f
[INFO] testing tshepang/sbg against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshepang%2Fsbg" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tshepang/sbg on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tshepang/sbg
[INFO] finished tweaking git repo https://github.com/tshepang/sbg
[INFO] tweaked toml for git repo https://github.com/tshepang/sbg written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tshepang/sbg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-06-03" "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] 478c170826ec7c265f2c1d41c66f9b63aeeac162b04138ec0e174a8b1eac3c32
[INFO] running `"docker" "start" "-a" "478c170826ec7c265f2c1d41c66f9b63aeeac162b04138ec0e174a8b1eac3c32"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.2
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling handlebars v3.0.1
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]    Compiling structopt v0.3.11
[INFO] [stderr]    Compiling sbg v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `"docker" "inspect" "478c170826ec7c265f2c1d41c66f9b63aeeac162b04138ec0e174a8b1eac3c32"`
[INFO] running `"docker" "rm" "-f" "478c170826ec7c265f2c1d41c66f9b63aeeac162b04138ec0e174a8b1eac3c32"`
[INFO] [stdout] 478c170826ec7c265f2c1d41c66f9b63aeeac162b04138ec0e174a8b1eac3c32
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-06-03" "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] 1356f28ddc9df37558505bc27973fa58c7b3a32f72c2cdb96078c363bcde7de6
[INFO] running `"docker" "start" "-a" "1356f28ddc9df37558505bc27973fa58c7b3a32f72c2cdb96078c363bcde7de6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sbg v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `main_impl`
[INFO] [stderr]   --> examples/main_impl.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / use std::{error::Error, path::PathBuf};
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | | use url::Url;
[INFO] [stderr] 4  | | pub(crate) fn simple() -> Result<(), Box<dyn Error>> {
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     unimplemented!();
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `examples/main_impl.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 `sbg`.
[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" "1356f28ddc9df37558505bc27973fa58c7b3a32f72c2cdb96078c363bcde7de6"`
[INFO] running `"docker" "rm" "-f" "1356f28ddc9df37558505bc27973fa58c7b3a32f72c2cdb96078c363bcde7de6"`
[INFO] [stdout] 1356f28ddc9df37558505bc27973fa58c7b3a32f72c2cdb96078c363bcde7de6