[INFO] updating cached repository https://github.com/nxnjz/RustBuster [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] 623499133cca2f3b66e66fa380a5be12d733639b [INFO] checking nxnjz/RustBuster against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnxnjz%2FRustBuster" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nxnjz/RustBuster on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nxnjz/RustBuster [INFO] finished tweaking git repo https://github.com/nxnjz/RustBuster [INFO] tweaked toml for git repo https://github.com/nxnjz/RustBuster written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/nxnjz/RustBuster already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 8b9a91fba76d9fc61c086d047bb6d38b6db7147bcbf3da043755fb04d155c7e6 [INFO] running `"docker" "start" "-a" "8b9a91fba76d9fc61c086d047bb6d38b6db7147bcbf3da043755fb04d155c7e6"` [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling openssl v0.10.25 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking flate2 v1.0.12 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking number_prefix v0.2.8 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking console v0.9.0 [INFO] [stderr] Checking publicsuffix v1.5.3 [INFO] [stderr] Checking indicatif v0.11.0 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.19 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking hyper v0.12.35 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.22 [INFO] [stderr] Checking rustbuster v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:423:9 [INFO] [stderr] | [INFO] [stderr] 423 | x.write_all(found_urls.lock().unwrap().as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:423:9 [INFO] [stderr] | [INFO] [stderr] 423 | x.write_all(found_urls.lock().unwrap().as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.78s [INFO] running `"docker" "inspect" "8b9a91fba76d9fc61c086d047bb6d38b6db7147bcbf3da043755fb04d155c7e6"` [INFO] running `"docker" "rm" "-f" "8b9a91fba76d9fc61c086d047bb6d38b6db7147bcbf3da043755fb04d155c7e6"` [INFO] [stdout] 8b9a91fba76d9fc61c086d047bb6d38b6db7147bcbf3da043755fb04d155c7e6