[INFO] updating cached repository https://github.com/nsdavidson/rust-hello-world [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] 465f5dabb6f6cfbb9a8785b1b5e76f8b4a78da29 [INFO] checking nsdavidson/rust-hello-world against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsdavidson%2Frust-hello-world" "/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/nsdavidson/rust-hello-world on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nsdavidson/rust-hello-world [INFO] finished tweaking git repo https://github.com/nsdavidson/rust-hello-world [INFO] tweaked toml for git repo https://github.com/nsdavidson/rust-hello-world written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/nsdavidson/rust-hello-world already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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=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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] 604efca5bb74fa682994caa4788dc6edda45773db1032ef3d6513f2aa21930f4 [INFO] running `"docker" "start" "-a" "604efca5bb74fa682994caa4788dc6edda45773db1032ef3d6513f2aa21930f4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking toml v0.1.30 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking sha1 v0.1.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking redis v0.5.4 [INFO] [stderr] Checking mustache v0.9.0 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking nickel v0.11.0 [INFO] [stderr] Checking rust-hello-world v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:48:18 [INFO] [stderr] | [INFO] [stderr] 48 | let client = try!(redis::Client::open(&*conn_string)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:49:16 [INFO] [stderr] | [INFO] [stderr] 49 | let conn = try!(client.get_connection()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:48:18 [INFO] [stderr] | [INFO] [stderr] 48 | let client = try!(redis::Client::open(&*conn_string)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:49:16 [INFO] [stderr] | [INFO] [stderr] 49 | let conn = try!(client.get_connection()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `node` [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let node = increment_count(redis_host.as_str().unwrap().to_string(), [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `node` [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let node = increment_count(redis_host.as_str().unwrap().to_string(), [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | server.listen(&*server_string); [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:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | server.listen(&*server_string); [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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.72s [INFO] running `"docker" "inspect" "604efca5bb74fa682994caa4788dc6edda45773db1032ef3d6513f2aa21930f4"` [INFO] running `"docker" "rm" "-f" "604efca5bb74fa682994caa4788dc6edda45773db1032ef3d6513f2aa21930f4"` [INFO] [stdout] 604efca5bb74fa682994caa4788dc6edda45773db1032ef3d6513f2aa21930f4