[INFO] cloning repository https://github.com/brundonsmith/loading_dock [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Floading_dock'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 19121fec9b909a06667bcf833f4cccbad16923fd [INFO] checking brundonsmith/loading_dock against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrundonsmith%2Floading_dock" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brundonsmith/loading_dock on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3/source/Cargo.toml [INFO] crate git repo https://github.com/brundonsmith/loading_dock already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40cf0adf675e9a33c0d3e8f40561a6c29b3ec5f5624b93785ffe7b974130c431 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "40cf0adf675e9a33c0d3e8f40561a6c29b3ec5f5624b93785ffe7b974130c431", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40cf0adf675e9a33c0d3e8f40561a6c29b3ec5f5624b93785ffe7b974130c431", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40cf0adf675e9a33c0d3e8f40561a6c29b3ec5f5624b93785ffe7b974130c431", kill_on_drop: false }` [INFO] [stdout] 40cf0adf675e9a33c0d3e8f40561a6c29b3ec5f5624b93785ffe7b974130c431 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86deb6c6e6b41f952b05fc349c317950a8c3681a4cf25a5d8851debb4737ec98 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "86deb6c6e6b41f952b05fc349c317950a8c3681a4cf25a5d8851debb4737ec98", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.23 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking half v1.3.0 [INFO] [stderr] Checking pathdiff v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Checking tokio-trace-core v0.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking tokio-sync v0.1.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Checking miniz_oxide v0.2.1 [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking filetime v0.1.15 [INFO] [stderr] Checking inotify v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Checking walkdir v0.1.8 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking mime v0.3.13 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking notify v3.0.1 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.21 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking iron v0.6.0 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking router v0.6.0 [INFO] [stderr] Checking hyper v0.12.29 [INFO] [stderr] Checking failure v0.1.5 [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] [stdout] warning: unused variable: `file_timestamps` [INFO] [stdout] --> src/requests.rs:19:22 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn greet_contact(file_timestamps: &'static Mutex>, other_nodes: &'static Mutex>, my_port: &... [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_timestamps` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/serialization.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(source: I, delimiter: T) -> Interspersed { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo` [INFO] [stdout] --> src/serialization.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn foo() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `deserialize_file_timestamps` [INFO] [stdout] --> src/serialization.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn deserialize_file_timestamps(string: &str) -> HashMap { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/serialization.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | Interspersed::new(vec![1, 2, 3, 4, 5].iter(), &0).collect::>(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_timestamps` [INFO] [stdout] --> src/requests.rs:19:22 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn greet_contact(file_timestamps: &'static Mutex>, other_nodes: &'static Mutex>, my_port: &... [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_timestamps` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/serialization.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(source: I, delimiter: T) -> Interspersed { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo` [INFO] [stdout] --> src/serialization.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn foo() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `deserialize_file_timestamps` [INFO] [stdout] --> src/serialization.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn deserialize_file_timestamps(string: &str) -> HashMap { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `collect` that must be used [INFO] [stdout] --> src/serialization.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | Interspersed::new(vec![1, 2, 3, 4, 5].iter(), &0).collect::>(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.81s [INFO] running `Command { std: "docker" "inspect" "86deb6c6e6b41f952b05fc349c317950a8c3681a4cf25a5d8851debb4737ec98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86deb6c6e6b41f952b05fc349c317950a8c3681a4cf25a5d8851debb4737ec98", kill_on_drop: false }` [INFO] [stdout] 86deb6c6e6b41f952b05fc349c317950a8c3681a4cf25a5d8851debb4737ec98