[INFO] cloning repository https://github.com/afnanenayet/twitter-stream [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/afnanenayet/twitter-stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Ftwitter-stream", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Ftwitter-stream'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce202fa5f97c3d30c6ccc616f5dec35941828fb3 [INFO] checking afnanenayet/twitter-stream against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Ftwitter-stream" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/afnanenayet/twitter-stream on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/afnanenayet/twitter-stream [INFO] finished tweaking git repo https://github.com/afnanenayet/twitter-stream [INFO] tweaked toml for git repo https://github.com/afnanenayet/twitter-stream written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/afnanenayet/twitter-stream already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c547cefacbb3d2465175ea918b0d6da5cc980e0307cfd7c969a9cd2a022eaea [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" "1c547cefacbb3d2465175ea918b0d6da5cc980e0307cfd7c969a9cd2a022eaea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c547cefacbb3d2465175ea918b0d6da5cc980e0307cfd7c969a9cd2a022eaea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c547cefacbb3d2465175ea918b0d6da5cc980e0307cfd7c969a9cd2a022eaea", kill_on_drop: false }` [INFO] [stdout] 1c547cefacbb3d2465175ea918b0d6da5cc980e0307cfd7c969a9cd2a022eaea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 789c09617f475bf40b5704a74e87879cd1e8c2db490f96a9d83190245e618d95 [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" "789c09617f475bf40b5704a74e87879cd1e8c2db490f96a9d83190245e618d95", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Compiling pkg-config v0.3.16 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling anyhow v1.0.17 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling openssl-sys v0.9.52 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [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 num-traits v0.1.43 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Compiling openssl v0.10.25 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking serde_json v0.9.10 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking sct v0.5.0 [INFO] [stderr] Checking webpki v0.19.1 [INFO] [stderr] Checking sentiment v0.1.1 [INFO] [stderr] Checking ct-logs v0.5.1 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking rustls v0.15.2 [INFO] [stderr] Checking webpki-roots v0.16.0 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling thiserror-impl v1.0.3 [INFO] [stderr] Compiling structopt-derive v0.3.3 [INFO] [stderr] Checking tokio-rustls v0.9.4 [INFO] [stderr] Checking thiserror v1.0.3 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking hyper-rustls v0.16.1 [INFO] [stderr] Checking structopt v0.3.3 [INFO] [stderr] Checking serde v1.0.101 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking toml v0.5.3 [INFO] [stderr] Checking egg-mode v0.13.0 [INFO] [stderr] Checking token-coding-challenge v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sink::Sink` [INFO] [stdout] --> src/server.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | sink::Sink, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/server.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UnboundedReceiver` [INFO] [stdout] --> src/server.rs:9:44 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::sync::mpsc::{unbounded_channel, UnboundedReceiver, UnboundedSender}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sink::Sink` [INFO] [stdout] --> src/server.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | sink::Sink, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/server.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UnboundedReceiver` [INFO] [stdout] --> src/server.rs:9:44 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::sync::mpsc::{unbounded_channel, UnboundedReceiver, UnboundedSender}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/server.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 78 | / loop { [INFO] [stdout] 79 | | // We can't use the `try_ready` macro because it assumes that the Item and Error associated [INFO] [stdout] 80 | | // types are identical for the stream that's consumed and the current future [INFO] [stdout] 81 | | let value = match self.stream.poll() { [INFO] [stdout] ... | [INFO] [stdout] 96 | | }; [INFO] [stdout] 97 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 102 | unreachable!(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/server.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 78 | / loop { [INFO] [stdout] 79 | | // We can't use the `try_ready` macro because it assumes that the Item and Error associated [INFO] [stdout] 80 | | // types are identical for the stream that's consumed and the current future [INFO] [stdout] 81 | | let value = match self.stream.poll() { [INFO] [stdout] ... | [INFO] [stdout] 96 | | }; [INFO] [stdout] 97 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 102 | unreachable!(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `scores` [INFO] [stdout] --> src/server.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | scores: ScoreSeries, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `scores` [INFO] [stdout] --> src/server.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | scores: ScoreSeries, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 00s [INFO] running `Command { std: "docker" "inspect" "789c09617f475bf40b5704a74e87879cd1e8c2db490f96a9d83190245e618d95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "789c09617f475bf40b5704a74e87879cd1e8c2db490f96a9d83190245e618d95", kill_on_drop: false }` [INFO] [stdout] 789c09617f475bf40b5704a74e87879cd1e8c2db490f96a9d83190245e618d95