[INFO] cloning repository https://github.com/dhruveshb-mecha/zbus-signal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhruveshb-mecha/zbus-signal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruveshb-mecha%2Fzbus-signal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruveshb-mecha%2Fzbus-signal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9530344ec4992df169e581de993eedcfc2a22c1
[INFO] checking dhruveshb-mecha/zbus-signal against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhruveshb-mecha%2Fzbus-signal" "/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/dhruveshb-mecha/zbus-signal 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 git repo https://github.com/dhruveshb-mecha/zbus-signal
[INFO] finished tweaking git repo https://github.com/dhruveshb-mecha/zbus-signal
[INFO] tweaked toml for git repo https://github.com/dhruveshb-mecha/zbus-signal written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dhruveshb-mecha/zbus-signal 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_repr v0.1.19
[INFO] [stderr]   Downloaded zbus_macros v4.2.0
[INFO] [stderr]   Downloaded zvariant_utils v1.1.1
[INFO] [stderr]   Downloaded endi v1.1.0
[INFO] [stderr]   Downloaded zvariant_derive v4.0.3
[INFO] [stderr]   Downloaded zbus_names v3.0.0
[INFO] [stderr]   Downloaded async-channel v2.2.1
[INFO] [stderr]   Downloaded async-signal v0.2.6
[INFO] [stderr]   Downloaded async-broadcast v0.7.0
[INFO] [stderr]   Downloaded async-process v2.2.2
[INFO] [stderr]   Downloaded async-io v2.3.2
[INFO] [stderr]   Downloaded polling v3.7.0
[INFO] [stderr]   Downloaded cc v1.0.96
[INFO] [stderr]   Downloaded zbus v4.2.0
[INFO] [stderr]   Downloaded event-listener v5.3.0
[INFO] [stderr]   Downloaded zvariant v4.0.3
[INFO] [stderr]   Downloaded async-executor v1.11.0
[INFO] [stderr]   Downloaded async-recursion v1.1.1
[INFO] [stderr]   Downloaded blocking v1.6.0
[INFO] [stderr]   Downloaded nix v0.28.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 745ddbf79eb749b5cd12f862728e18e13a74cb5cf2ecc1ef02774fd02257b46b
[INFO] running `Command { std: "docker" "start" "-a" "745ddbf79eb749b5cd12f862728e18e13a74cb5cf2ecc1ef02774fd02257b46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "745ddbf79eb749b5cd12f862728e18e13a74cb5cf2ecc1ef02774fd02257b46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745ddbf79eb749b5cd12f862728e18e13a74cb5cf2ecc1ef02774fd02257b46b", kill_on_drop: false }`
[INFO] [stdout] 745ddbf79eb749b5cd12f862728e18e13a74cb5cf2ecc1ef02774fd02257b46b
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f632371c4c43365a5ec6218f320a891d887df541a467fa54fe8269bbf2cc4b39
[INFO] running `Command { std: "docker" "start" "-a" "f632371c4c43365a5ec6218f320a891d887df541a467fa54fe8269bbf2cc4b39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking endi v1.1.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking async-executor v1.11.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking async-channel v2.2.1
[INFO] [stderr]     Checking async-broadcast v0.7.0
[INFO] [stderr]     Checking blocking v1.6.0
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking xdg-home v1.1.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking async-fs v2.1.2
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling zvariant_utils v1.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling enumflags2_derive v0.7.9
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling zvariant_derive v4.0.3
[INFO] [stderr]    Compiling zbus_macros v4.2.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking polling v3.7.0
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking enumflags2 v0.7.9
[INFO] [stderr]     Checking zvariant v4.0.3
[INFO] [stderr]     Checking zbus_names v3.0.0
[INFO] [stderr]     Checking zbus v4.2.0
[INFO] [stderr]     Checking zbus-signal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/zbus-server.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut ctxt = greeter_ref.get_mut().await;
[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/zbus-server.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         let mut ctxt = greeter_ref.get_mut().await;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.62s
[INFO] running `Command { std: "docker" "inspect" "f632371c4c43365a5ec6218f320a891d887df541a467fa54fe8269bbf2cc4b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f632371c4c43365a5ec6218f320a891d887df541a467fa54fe8269bbf2cc4b39", kill_on_drop: false }`
[INFO] [stdout] f632371c4c43365a5ec6218f320a891d887df541a467fa54fe8269bbf2cc4b39