[INFO] fetching crate subbeat 0.0.15...
[INFO] checking subbeat-0.0.15 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate subbeat 0.0.15 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate subbeat 0.0.15 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subbeat 0.0.15
[INFO] finished tweaking crates.io crate subbeat 0.0.15
[INFO] tweaked toml for crates.io crate subbeat 0.0.15 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate subbeat 0.0.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.67
[INFO] [stderr]   Downloaded pkg-config v0.3.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d09258cb4e05c691028bdcb2236be634350c9af3e11c4cdc48c167268e0edda
[INFO] running `Command { std: "docker" "start" "-a" "7d09258cb4e05c691028bdcb2236be634350c9af3e11c4cdc48c167268e0edda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d09258cb4e05c691028bdcb2236be634350c9af3e11c4cdc48c167268e0edda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d09258cb4e05c691028bdcb2236be634350c9af3e11c4cdc48c167268e0edda", kill_on_drop: false }`
[INFO] [stdout] 7d09258cb4e05c691028bdcb2236be634350c9af3e11c4cdc48c167268e0edda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19d2d1dceb4a8a25b7d93e27eaf966c39edd34ea4f11427c7791798ec3d6dd73
[INFO] running `Command { std: "docker" "start" "-a" "19d2d1dceb4a8a25b7d93e27eaf966c39edd34ea4f11427c7791798ec3d6dd73", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking parking_lot_core v0.8.5
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[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling anyhow v1.0.44
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[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
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[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking tokio-util v0.6.8
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[INFO] [stderr]     Checking hyper v0.14.13
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[INFO] [stderr]     Checking subbeat v0.0.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `body`
[INFO] [stdout]  --> src/utils.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hyper::{body, Body, Client, Method, Request, StatusCode};
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `body`
[INFO] [stdout]  --> src/utils.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hyper::{body, Body, Client, Method, Request, StatusCode};
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/datasources/grafana.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (s, p) = self.get("/api").await?;
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/datasources/grafana.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let (s, p) = self.get("/api").await?;
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/datasources/grafana.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (s, p) = self.get("/api/datasources").await?;
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/datasources/grafana.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (s, p) = self.get("/api/datasources").await?;
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]   --> src/datasources/influx.rs:97:53
[INFO] [stdout]    |
[INFO] [stdout] 97 |     async fn query_chunk(&self, from: u64, to: u64, step: u64) -> types::Result<MetricResult> {
[INFO] [stdout]    |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]   --> src/datasources/influx.rs:97:53
[INFO] [stdout]    |
[INFO] [stdout] 97 |     async fn query_chunk(&self, from: u64, to: u64, step: u64) -> types::Result<MetricResult> {
[INFO] [stdout]    |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `post_json` is never used
[INFO] [stdout]   --> src/datasources/grafana.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Grafana {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 88 |     async fn post_json(
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatasourceParams` is never constructed
[INFO] [stdout]   --> src/metric.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct DatasourceParams {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Datasource` is never constructed
[INFO] [stdout]   --> src/metric.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Datasource {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MetricQuery` is never constructed
[INFO] [stdout]   --> src/metric.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct MetricQuery {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `post_json` is never used
[INFO] [stdout]   --> src/datasources/grafana.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Grafana {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 88 |     async fn post_json(
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DatasourceParams` is never constructed
[INFO] [stdout]   --> src/metric.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct DatasourceParams {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Datasource` is never constructed
[INFO] [stdout]   --> src/metric.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Datasource {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MetricQuery` is never constructed
[INFO] [stdout]   --> src/metric.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct MetricQuery {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `datasources::grafana::Grafana`
[INFO] [stdout]  --> src/cli.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     datasources::grafana::Grafana,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `datasources::grafana::Grafana`
[INFO] [stdout]  --> src/cli.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     datasources::grafana::Grafana,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TimeSerie` is never used
[INFO] [stdout]  --> src/types.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type TimeSerie = Vec<(u64, f64)>;
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrometheusConfig` is never constructed
[INFO] [stdout]  --> src/types.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PrometheusConfig {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PrometheusConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TimeSerie` is never used
[INFO] [stdout]  --> src/types.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type TimeSerie = Vec<(u64, f64)>;
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InfluxConfig` is never constructed
[INFO] [stdout]   --> src/types.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct InfluxConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InfluxConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GrafanaConfig` is never constructed
[INFO] [stdout]   --> src/types.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct GrafanaConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GrafanaConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrometheusConfig` is never constructed
[INFO] [stdout]  --> src/types.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PrometheusConfig {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PrometheusConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InfluxConfig` is never constructed
[INFO] [stdout]   --> src/types.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct InfluxConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InfluxConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DatasourceConfig` is never used
[INFO] [stdout]   --> src/types.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum DatasourceConfig {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatasourceConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QueryConfig` is never constructed
[INFO] [stdout]   --> src/types.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct QueryConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GrafanaConfig` is never constructed
[INFO] [stdout]   --> src/types.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct GrafanaConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GrafanaConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DatasourceConfig` is never used
[INFO] [stdout]   --> src/types.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum DatasourceConfig {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatasourceConfig` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QueryConfig` is never constructed
[INFO] [stdout]   --> src/types.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct QueryConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "19d2d1dceb4a8a25b7d93e27eaf966c39edd34ea4f11427c7791798ec3d6dd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d2d1dceb4a8a25b7d93e27eaf966c39edd34ea4f11427c7791798ec3d6dd73", kill_on_drop: false }`
[INFO] [stdout] 19d2d1dceb4a8a25b7d93e27eaf966c39edd34ea4f11427c7791798ec3d6dd73