[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#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Ftwitter-stream" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[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 21de280cccb4eb02ead6bf0af40e2355a9136d6f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-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 `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b82892cf787b560512ec4ba8a83054a06e2579dd67d1febbaa65815129b53696
[INFO] running `Command { std: "docker" "start" "-a" "b82892cf787b560512ec4ba8a83054a06e2579dd67d1febbaa65815129b53696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b82892cf787b560512ec4ba8a83054a06e2579dd67d1febbaa65815129b53696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82892cf787b560512ec4ba8a83054a06e2579dd67d1febbaa65815129b53696", kill_on_drop: false }`
[INFO] [stdout] b82892cf787b560512ec4ba8a83054a06e2579dd67d1febbaa65815129b53696
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838f7e92c7363034c33e62c608a7012a8cbfec8d6f57f9e2ac19d69d4ed515af
[INFO] running `Command { std: "docker" "start" "-a" "838f7e92c7363034c33e62c608a7012a8cbfec8d6f57f9e2ac19d69d4ed515af", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling thiserror-impl v1.0.3
[INFO] [stderr]    Compiling structopt-derive v0.3.3
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[INFO] [stderr]     Checking hyper-tls v0.3.2
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[INFO] [stderr]     Checking serde_json v1.0.41
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[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 the macro `unreachable` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: fields `score` and `timestamp` are never read
[INFO] [stdout]   --> src/server.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct ScoreTimestamp {
[INFO] [stdout]    |        -------------- fields in this struct
[INFO] [stdout] 27 |     /// The sentiment score
[INFO] [stdout] 28 |     pub score: SentimentScore,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub timestamp: SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ScoreTimestamp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scores` is never read
[INFO] [stdout]   --> src/server.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct ScoreProcessor {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 44 |     /// The scores for a particular stream
[INFO] [stdout] 45 |     scores: ScoreSeries,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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 the macro `unreachable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `score` and `timestamp` are never read
[INFO] [stdout]   --> src/server.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct ScoreTimestamp {
[INFO] [stdout]    |        -------------- fields in this struct
[INFO] [stdout] 27 |     /// The sentiment score
[INFO] [stdout] 28 |     pub score: SentimentScore,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub timestamp: SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `ScoreTimestamp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scores` is never read
[INFO] [stdout]   --> src/server.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct ScoreProcessor {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 44 |     /// The scores for a particular stream
[INFO] [stdout] 45 |     scores: ScoreSeries,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "838f7e92c7363034c33e62c608a7012a8cbfec8d6f57f9e2ac19d69d4ed515af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838f7e92c7363034c33e62c608a7012a8cbfec8d6f57f9e2ac19d69d4ed515af", kill_on_drop: false }`
[INFO] [stdout] 838f7e92c7363034c33e62c608a7012a8cbfec8d6f57f9e2ac19d69d4ed515af