[INFO] cloning repository https://github.com/whh8162880/rustlib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whh8162880/rustlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhh8162880%2Frustlib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhh8162880%2Frustlib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5cf305cf2e9fcad0b17b6f3ebbd3e9e39d3d6cf7 [INFO] checking whh8162880/rustlib against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhh8162880%2Frustlib" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/whh8162880/rustlib on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/whh8162880/rustlib [INFO] finished tweaking git repo https://github.com/whh8162880/rustlib [INFO] tweaked toml for git repo https://github.com/whh8162880/rustlib written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/whh8162880/rustlib already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99db31a875d0978126b06c153938d717b3f6f84811218d5f78aa86f82e79c65a [INFO] running `Command { std: "docker" "start" "-a" "99db31a875d0978126b06c153938d717b3f6f84811218d5f78aa86f82e79c65a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99db31a875d0978126b06c153938d717b3f6f84811218d5f78aa86f82e79c65a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99db31a875d0978126b06c153938d717b3f6f84811218d5f78aa86f82e79c65a", kill_on_drop: false }` [INFO] [stdout] 99db31a875d0978126b06c153938d717b3f6f84811218d5f78aa86f82e79c65a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c9bbf5f9f198a55e3b96fb97fbbc0c145381a48af62ab2c2a9f8cd5a2ef17dd [INFO] running `Command { std: "docker" "start" "-a" "3c9bbf5f9f198a55e3b96fb97fbbc0c145381a48af62ab2c2a9f8cd5a2ef17dd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.67 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking tinyvec v0.3.3 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Compiling wasm-bindgen v0.2.67 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking settimeout v0.1.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking proc-macro-nested v0.1.6 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking websocket-base v0.26.2 [INFO] [stderr] Checking websocket v0.26.2 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.67 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.67 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.67 [INFO] [stderr] Checking js-sys v0.3.44 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking web-sys v0.3.44 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `futures::executor::block_on` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use futures::executor::block_on; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::executor::block_on` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use futures::executor::block_on; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `start` [INFO] [stdout] --> src/engine.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | pub async fn start(){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `futures::Future` that must be used [INFO] [stdout] --> src/engine.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | engine::start(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.26s [INFO] running `Command { std: "docker" "inspect" "3c9bbf5f9f198a55e3b96fb97fbbc0c145381a48af62ab2c2a9f8cd5a2ef17dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c9bbf5f9f198a55e3b96fb97fbbc0c145381a48af62ab2c2a9f8cd5a2ef17dd", kill_on_drop: false }` [INFO] [stdout] 3c9bbf5f9f198a55e3b96fb97fbbc0c145381a48af62ab2c2a9f8cd5a2ef17dd