[INFO] cloning repository https://github.com/brundonsmith/loading_dock [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brundonsmith/loading_dock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Floading_dock"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Floading_dock'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 19121fec9b909a06667bcf833f4cccbad16923fd [INFO] checking brundonsmith/loading_dock against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Floading_dock" "/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/brundonsmith/loading_dock on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/brundonsmith/loading_dock [INFO] finished tweaking git repo https://github.com/brundonsmith/loading_dock [INFO] tweaked toml for git repo https://github.com/brundonsmith/loading_dock written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/brundonsmith/loading_dock already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 2a480b41c13befece5217f55fec07f339cf72ba093c8c0f483da3d25841d33ed [INFO] running `"docker" "start" "-a" "2a480b41c13befece5217f55fec07f339cf72ba093c8c0f483da3d25841d33ed"` [INFO] [stderr] Checking pathdiff v0.1.0 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking inotify v0.2.3 [INFO] [stderr] Checking filetime v0.1.15 [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking miniz_oxide_c_api v0.2.1 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking walkdir v0.1.8 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking h2 v0.1.21 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling openssl v0.10.23 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking iron v0.6.0 [INFO] [stderr] Checking notify v3.0.1 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking router v0.6.0 [INFO] [stderr] Checking hyper v0.12.29 [INFO] [stderr] Checking serde v1.0.91 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking serde_cbor v0.9.0 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking reqwest v0.9.17 [INFO] [stderr] Checking loading_dock v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `file_timestamps` [INFO] [stderr] --> src/requests.rs:19:22 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn greet_contact(file_timestamps: &'static Mutex>, other_nodes: &'static Mutex>, my_port: &str, address: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_file_timestamps` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/serialization.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | fn new(source: I, delimiter: T) -> Interspersed { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `foo` [INFO] [stderr] --> src/serialization.rs:38:1 [INFO] [stderr] | [INFO] [stderr] 38 | fn foo() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deserialize_file_timestamps` [INFO] [stderr] --> src/serialization.rs:56:1 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn deserialize_file_timestamps(string: &str) -> HashMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/serialization.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | Interspersed::new(vec![1, 2, 3, 4, 5].iter(), &0).collect::>(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file_timestamps` [INFO] [stderr] --> src/requests.rs:19:22 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn greet_contact(file_timestamps: &'static Mutex>, other_nodes: &'static Mutex>, my_port: &str, address: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_file_timestamps` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/serialization.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | fn new(source: I, delimiter: T) -> Interspersed { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `foo` [INFO] [stderr] --> src/serialization.rs:38:1 [INFO] [stderr] | [INFO] [stderr] 38 | fn foo() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deserialize_file_timestamps` [INFO] [stderr] --> src/serialization.rs:56:1 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn deserialize_file_timestamps(string: &str) -> HashMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/serialization.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | Interspersed::new(vec![1, 2, 3, 4, 5].iter(), &0).collect::>(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 36s [INFO] running `"docker" "inspect" "2a480b41c13befece5217f55fec07f339cf72ba093c8c0f483da3d25841d33ed"` [INFO] running `"docker" "rm" "-f" "2a480b41c13befece5217f55fec07f339cf72ba093c8c0f483da3d25841d33ed"` [INFO] [stdout] 2a480b41c13befece5217f55fec07f339cf72ba093c8c0f483da3d25841d33ed