[INFO] updating cached repository https://github.com/afnanenayet/twitter-stream
[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] ce202fa5f97c3d30c6ccc616f5dec35941828fb3
[INFO] checking afnanenayet/twitter-stream against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Ftwitter-stream" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/afnanenayet/twitter-stream on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/afnanenayet/twitter-stream already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 0034752ae4c161c69a0c8f127a55759a0750da7773d4144b3d29f3a90e5fd806
[INFO] running `"docker" "start" "-a" "0034752ae4c161c69a0c8f127a55759a0750da7773d4144b3d29f3a90e5fd806"`
[INFO] [stderr]    Compiling anyhow v1.0.17
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking ring v0.14.6
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking sentiment v0.1.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.3
[INFO] [stderr]     Checking thiserror v1.0.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.41
[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] [stderr] warning: unused import: `sink::Sink`
[INFO] [stderr]  --> src/server.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     sink::Sink,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `self`
[INFO] [stderr]  --> src/server.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{self, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UnboundedReceiver`
[INFO] [stderr]  --> src/server.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio::sync::mpsc::{unbounded_channel, UnboundedReceiver, UnboundedSender};
[INFO] [stderr]   |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sink::Sink`
[INFO] [stderr]  --> src/server.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     sink::Sink,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `self`
[INFO] [stderr]  --> src/server.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{self, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UnboundedReceiver`
[INFO] [stderr]  --> src/server.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio::sync::mpsc::{unbounded_channel, UnboundedReceiver, UnboundedSender};
[INFO] [stderr]   |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/server.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 78  | /         loop {
[INFO] [stderr] 79  | |             // We can't use the `try_ready` macro because it assumes that the Item and Error associated
[INFO] [stderr] 80  | |             // types are identical for the stream that's consumed and the current future
[INFO] [stderr] 81  | |             let value = match self.stream.poll() {
[INFO] [stderr] ...   |
[INFO] [stderr] 96  | |             };
[INFO] [stderr] 97  | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 102 |           unreachable!();
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/server.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 78  | /         loop {
[INFO] [stderr] 79  | |             // We can't use the `try_ready` macro because it assumes that the Item and Error associated
[INFO] [stderr] 80  | |             // types are identical for the stream that's consumed and the current future
[INFO] [stderr] 81  | |             let value = match self.stream.poll() {
[INFO] [stderr] ...   |
[INFO] [stderr] 96  | |             };
[INFO] [stderr] 97  | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 102 |           unreachable!();
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `scores`
[INFO] [stderr]   --> src/server.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     scores: ScoreSeries,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `scores`
[INFO] [stderr]   --> src/server.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     scores: ScoreSeries,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `"docker" "inspect" "0034752ae4c161c69a0c8f127a55759a0750da7773d4144b3d29f3a90e5fd806"`
[INFO] running `"docker" "rm" "-f" "0034752ae4c161c69a0c8f127a55759a0750da7773d4144b3d29f3a90e5fd806"`
[INFO] [stdout] 0034752ae4c161c69a0c8f127a55759a0750da7773d4144b3d29f3a90e5fd806