[INFO] updating cached repository https://github.com/zxk7516/hellors
[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] cea8d58a9916868e0348a27d17ecd136612ee239
[INFO] checking zxk7516/hellors against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxk7516%2Fhellors" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zxk7516/hellors on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zxk7516/hellors
[INFO] finished tweaking git repo https://github.com/zxk7516/hellors
[INFO] tweaked toml for git repo https://github.com/zxk7516/hellors written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/zxk7516/hellors already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 6760a97c278e46ff618577d9ea778a8e6bbd70b8e52323081c6f5162e31bdb47
[INFO] running `"docker" "start" "-a" "6760a97c278e46ff618577d9ea778a8e6bbd70b8e52323081c6f5162e31bdb47"`
[INFO] [stderr]     Checking rand_jitter v0.1.0
[INFO] [stderr]     Checking tokio-sync v0.1.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking tokio-timer v0.2.9
[INFO] [stderr]     Checking crossbeam-channel v0.3.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `a4`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `src/bin/a4.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 `hello`.
[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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bin/a2.rs:5:33
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bin/a2.rs:5:33
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6760a97c278e46ff618577d9ea778a8e6bbd70b8e52323081c6f5162e31bdb47"`
[INFO] running `"docker" "rm" "-f" "6760a97c278e46ff618577d9ea778a8e6bbd70b8e52323081c6f5162e31bdb47"`
[INFO] [stdout] 6760a97c278e46ff618577d9ea778a8e6bbd70b8e52323081c6f5162e31bdb47
