[INFO] cloning repository https://github.com/jiphex/carbonex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jiphex/carbonex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiphex%2Fcarbonex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiphex%2Fcarbonex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b76e1fa87755ec71260a86897325142ce717e847
[INFO] checking jiphex/carbonex against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiphex%2Fcarbonex" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jiphex/carbonex on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jiphex/carbonex
[INFO] finished tweaking git repo https://github.com/jiphex/carbonex
[INFO] tweaked toml for git repo https://github.com/jiphex/carbonex written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jiphex/carbonex 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sketches-ddsketch v0.2.1
[INFO] [stderr]   Downloaded metrics v0.22.0
[INFO] [stderr]   Downloaded quanta v0.12.2
[INFO] [stderr]   Downloaded hashbrown v0.13.1
[INFO] [stderr]   Downloaded metrics-util v0.16.0
[INFO] [stderr]   Downloaded raw-cpuid v11.0.1
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65210335e975ca4475958ab348c9278e041a685514e985be216bbf108498ddad
[INFO] running `Command { std: "docker" "start" "-a" "65210335e975ca4475958ab348c9278e041a685514e985be216bbf108498ddad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65210335e975ca4475958ab348c9278e041a685514e985be216bbf108498ddad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65210335e975ca4475958ab348c9278e041a685514e985be216bbf108498ddad", kill_on_drop: false }`
[INFO] [stdout] 65210335e975ca4475958ab348c9278e041a685514e985be216bbf108498ddad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad08c30ce916a74781d827561346e09c1cb220ff751137dbf5ab9f9f3d683e2d
[INFO] running `Command { std: "docker" "start" "-a" "ad08c30ce916a74781d827561346e09c1cb220ff751137dbf5ab9f9f3d683e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking indexmap v2.2.2
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking raw-cpuid v11.0.1
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking sketches-ddsketch v0.2.1
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking hashbrown v0.13.1
[INFO] [stderr]     Checking metrics v0.22.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking quanta v0.12.2
[INFO] [stderr]     Checking metrics-util v0.16.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling strum_macros v0.26.1
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking strum v0.26.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking metrics-exporter-prometheus v0.13.0
[INFO] [stderr]     Checking reqwest v0.11.24
[INFO] [stderr]     Checking carbonex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde` is imported redundantly
[INFO] [stdout]  --> src/types.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use serde::{self, Deserialize, Deserializer, Serializer};
[INFO] [stdout]   |                 ^^^^ the item `serde` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde` is imported redundantly
[INFO] [stdout]  --> src/types.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use serde::{self, Deserialize, Deserializer, Serializer};
[INFO] [stdout]   |                 ^^^^ the item `serde` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize` is never used
[INFO] [stdout]   --> src/types.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn serialize<S>(date: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[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: function `serialize` is never used
[INFO] [stdout]   --> src/types.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn serialize<S>(date: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.36s
[INFO] running `Command { std: "docker" "inspect" "ad08c30ce916a74781d827561346e09c1cb220ff751137dbf5ab9f9f3d683e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad08c30ce916a74781d827561346e09c1cb220ff751137dbf5ab9f9f3d683e2d", kill_on_drop: false }`
[INFO] [stdout] ad08c30ce916a74781d827561346e09c1cb220ff751137dbf5ab9f9f3d683e2d