[INFO] cloning repository https://github.com/christian-blades-cb/mastodon_prom_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christian-blades-cb/mastodon_prom_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Fmastodon_prom_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Fmastodon_prom_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a24a9445e81af11328f23ee416238f05caee2399
[INFO] checking christian-blades-cb/mastodon_prom_exporter against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristian-blades-cb%2Fmastodon_prom_exporter" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/christian-blades-cb/mastodon_prom_exporter
[INFO] finished tweaking git repo https://github.com/christian-blades-cb/mastodon_prom_exporter
[INFO] tweaked toml for git repo https://github.com/christian-blades-cb/mastodon_prom_exporter written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/christian-blades-cb/mastodon_prom_exporter on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/christian-blades-cb/mastodon_prom_exporter 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `mastodon_prom_exporter` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc2/source/target/.../mastodon_prom_exporter
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `mastodon-prom-exporter`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 - name = "mastodon_prom_exporter"
[INFO] [stderr] 26 + name = "mastodon-prom-exporter"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `mastodon-prom-exporter`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 ~ version = "0.1.0"
[INFO] [stderr] 28 + [[bin]]
[INFO] [stderr] 29 + name = "mastodon-prom-exporter"
[INFO] [stderr] 30 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `mastodon_prom_exporter` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded warp v0.3.3
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded ipnet v2.7.1
[INFO] [stderr]   Downloaded parking_lot_core v0.9.6
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded openssl v0.10.45
[INFO] [stderr]   Downloaded rustix v0.36.6
[INFO] [stderr]   Downloaded tokio v1.24.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] be85537e838e74331212c5f3c6ca68415130e30a7828ea54a9b3df702d6c84dc
[INFO] running `Command { std: "docker" "start" "be85537e838e74331212c5f3c6ca68415130e30a7828ea54a9b3df702d6c84dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be85537e838e74331212c5f3c6ca68415130e30a7828ea54a9b3df702d6c84dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "be85537e838e74331212c5f3c6ca68415130e30a7828ea54a9b3df702d6c84dc" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be85537e838e74331212c5f3c6ca68415130e30a7828ea54a9b3df702d6c84dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "be85537e838e74331212c5f3c6ca68415130e30a7828ea54a9b3df702d6c84dc" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `mastodon_prom_exporter` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../mastodon_prom_exporter
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `mastodon-prom-exporter`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 - name = "mastodon_prom_exporter"
[INFO] [stderr] 26 + name = "mastodon-prom-exporter"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `mastodon-prom-exporter`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 ~ version = "0.1.0"
[INFO] [stderr] 28 + [[bin]]
[INFO] [stderr] 29 + name = "mastodon-prom-exporter"
[INFO] [stderr] 30 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `mastodon_prom_exporter` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "be85537e838e74331212c5f3c6ca68415130e30a7828ea54a9b3df702d6c84dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be85537e838e74331212c5f3c6ca68415130e30a7828ea54a9b3df702d6c84dc", kill_on_drop: false }`
[INFO] [stdout] be85537e838e74331212c5f3c6ca68415130e30a7828ea54a9b3df702d6c84dc
