[INFO] fetching crate actix-web-prometheus 0.1.2...
[INFO] checking actix-web-prometheus-0.1.2 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate actix-web-prometheus 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate actix-web-prometheus 0.1.2 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate actix-web-prometheus 0.1.2
[INFO] finished tweaking crates.io crate actix-web-prometheus 0.1.2
[INFO] tweaked toml for crates.io crate actix-web-prometheus 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate actix-web-prometheus 0.1.2 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex v0.4.3
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded prometheus v0.13.2
[INFO] [stderr]   Downloaded procfs v0.12.0
[INFO] [stderr]   Downloaded raw-cpuid v10.6.0
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] [stderr]   Downloaded libc v0.2.134
[INFO] [stderr]   Downloaded bumpalo v3.11.0
[INFO] [stderr]   Downloaded quanta v0.10.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cdfd1f1931392d0dd7e245438adbbb2f5e798c4caefdcf2dba5b7c46a38053c
[INFO] running `Command { std: "docker" "start" "-a" "3cdfd1f1931392d0dd7e245438adbbb2f5e798c4caefdcf2dba5b7c46a38053c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cdfd1f1931392d0dd7e245438adbbb2f5e798c4caefdcf2dba5b7c46a38053c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdfd1f1931392d0dd7e245438adbbb2f5e798c4caefdcf2dba5b7c46a38053c", kill_on_drop: false }`
[INFO] [stdout] 3cdfd1f1931392d0dd7e245438adbbb2f5e798c4caefdcf2dba5b7c46a38053c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1086210212fdce4646372c163defda94ffa966d15098525f7fda25bef38935b5
[INFO] running `Command { std: "docker" "start" "-a" "1086210212fdce4646372c163defda94ffa966d15098525f7fda25bef38935b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking actix-utils v3.0.0
[INFO] [stderr]     Checking bytestring v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]    Compiling prometheus v0.13.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking raw-cpuid v10.6.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking digest v0.10.5
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking local-channel v0.1.3
[INFO] [stderr]     Checking quanta v0.10.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking actix-router v0.5.1
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking actix-rt v2.7.0
[INFO] [stderr]     Checking actix-server v2.1.1
[INFO] [stderr]     Checking actix-codec v0.5.0
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking actix-http v3.2.2
[INFO] [stderr]     Checking actix-web v4.2.1
[INFO] [stderr]     Checking actix-web-prometheus v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:417:43
[INFO] [stdout]     |
[INFO] [stdout] 417 |         Poll::Ready(Ok(res.map_body(move |mut head, body| {
[INFO] [stdout]     |                                           ----^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:417:43
[INFO] [stdout]     |
[INFO] [stdout] 417 |         Poll::Ready(Ok(res.map_body(move |mut head, body| {
[INFO] [stdout]     |                                           ----^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `namespace` and `const_labels` are never read
[INFO] [stdout]    --> src/lib.rs:266:16
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub struct PrometheusMetrics {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] 265 |     pub registry: Registry,
[INFO] [stdout] 266 |     pub(crate) namespace: String,
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 267 |     pub(crate) endpoint: Option<String>,
[INFO] [stdout] 268 |     pub(crate) const_labels: HashMap<String, String>,
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrometheusMetrics` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `namespace` and `const_labels` are never read
[INFO] [stdout]    --> src/lib.rs:266:16
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub struct PrometheusMetrics {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] 265 |     pub registry: Registry,
[INFO] [stdout] 266 |     pub(crate) namespace: String,
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 267 |     pub(crate) endpoint: Option<String>,
[INFO] [stdout] 268 |     pub(crate) const_labels: HashMap<String, String>,
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PrometheusMetrics` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.62s
[INFO] running `Command { std: "docker" "inspect" "1086210212fdce4646372c163defda94ffa966d15098525f7fda25bef38935b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1086210212fdce4646372c163defda94ffa966d15098525f7fda25bef38935b5", kill_on_drop: false }`
[INFO] [stdout] 1086210212fdce4646372c163defda94ffa966d15098525f7fda25bef38935b5
