[INFO] fetching crate prometheus-edge-detector 0.2.0...
[INFO] testing prometheus-edge-detector-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate prometheus-edge-detector 0.2.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate prometheus-edge-detector 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus-edge-detector 0.2.0
[INFO] finished tweaking crates.io crate prometheus-edge-detector 0.2.0
[INFO] tweaked toml for crates.io crate prometheus-edge-detector 0.2.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate crates.io crate prometheus-edge-detector 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded mio v0.7.7
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[INFO] [stderr]   Downloaded tokio v1.0.1
[INFO] [stderr]   Downloaded security-framework v2.0.0
[INFO] [stderr]   Downloaded bytes v1.0.0
[INFO] [stderr]   Downloaded main_error v0.1.1
[INFO] [stderr]   Downloaded pin-project-internal v1.0.3
[INFO] [stderr]   Downloaded security-framework-sys v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82a12bdfff99643fbefccedc37411e7288ef341418b26fd09206bc4b0d598fbf
[INFO] running `Command { std: "docker" "start" "-a" "82a12bdfff99643fbefccedc37411e7288ef341418b26fd09206bc4b0d598fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a12bdfff99643fbefccedc37411e7288ef341418b26fd09206bc4b0d598fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a12bdfff99643fbefccedc37411e7288ef341418b26fd09206bc4b0d598fbf", kill_on_drop: false }`
[INFO] [stdout] 82a12bdfff99643fbefccedc37411e7288ef341418b26fd09206bc4b0d598fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ac843d32a182e78fc89936fac5fbf8de713ce0c14a1a641f6907d5f707e93a8
[INFO] running `Command { std: "docker" "start" "-a" "3ac843d32a182e78fc89936fac5fbf8de713ce0c14a1a641f6907d5f707e93a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling futures-sink v0.3.8
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[INFO] [stderr]    Compiling slab v0.4.2
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[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling native-tls v0.2.7
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[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling serde_json v1.0.61
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[INFO] [stderr]    Compiling err-derive v0.3.0
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[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project v1.0.3
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tokio-stream v0.1.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-util v0.6.0
[INFO] [stderr]    Compiling h2 v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.0
[INFO] [stderr]    Compiling prometheus-edge-detector v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `status`
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     status: QueryResultStatus,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `result_type`
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     result_type: QueryResultDataType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `metric`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     metric: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.85s
[INFO] running `Command { std: "docker" "inspect" "3ac843d32a182e78fc89936fac5fbf8de713ce0c14a1a641f6907d5f707e93a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac843d32a182e78fc89936fac5fbf8de713ce0c14a1a641f6907d5f707e93a8", kill_on_drop: false }`
[INFO] [stdout] 3ac843d32a182e78fc89936fac5fbf8de713ce0c14a1a641f6907d5f707e93a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25cc7e2beaf205932f518caba8179f54d1144433f1088cf36786f4ee537a2b35
[INFO] running `Command { std: "docker" "start" "-a" "25cc7e2beaf205932f518caba8179f54d1144433f1088cf36786f4ee537a2b35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling main_error v0.1.1
[INFO] [stdout] warning: field is never read: `status`
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     status: QueryResultStatus,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `result_type`
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     result_type: QueryResultDataType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `metric`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     metric: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling prometheus-edge-detector v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: The default runtime flavor is `multi_thread`, but the `rt-multi-thread` feature is disabled.
[INFO] [stdout]  --> examples/test.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[tokio::main]
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `tokio::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `main_error::MainError`
[INFO] [stdout]  --> examples/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use main_error::MainError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prometheus_edge_detector::EdgeDetector`
[INFO] [stdout]  --> examples/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use prometheus_edge_detector::EdgeDetector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::Duration`
[INFO] [stdout]  --> examples/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `test`
[INFO] [stdout]   --> examples/test.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / use main_error::MainError;
[INFO] [stdout] 2  | | use prometheus_edge_detector::EdgeDetector;
[INFO] [stdout] 3  | | use tokio::time::Duration;
[INFO] [stdout] 4  | |
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     Ok(())
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/test.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prometheus-edge-detector` due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field is never read: `status`
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     status: QueryResultStatus,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `result_type`
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     result_type: QueryResultDataType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `metric`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     metric: HashMap<String, String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "25cc7e2beaf205932f518caba8179f54d1144433f1088cf36786f4ee537a2b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25cc7e2beaf205932f518caba8179f54d1144433f1088cf36786f4ee537a2b35", kill_on_drop: false }`
[INFO] [stdout] 25cc7e2beaf205932f518caba8179f54d1144433f1088cf36786f4ee537a2b35