[INFO] cloning repository https://github.com/gnosis/Grafana-Dashboard-Sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnosis/Grafana-Dashboard-Sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnosis%2FGrafana-Dashboard-Sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnosis%2FGrafana-Dashboard-Sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ee180effc27a2a102bb97db67cd1c8fecdabda0
[INFO] checking gnosis/Grafana-Dashboard-Sync against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnosis%2FGrafana-Dashboard-Sync" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnosis/Grafana-Dashboard-Sync on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnosis/Grafana-Dashboard-Sync
[INFO] finished tweaking git repo https://github.com/gnosis/Grafana-Dashboard-Sync
[INFO] tweaked toml for git repo https://github.com/gnosis/Grafana-Dashboard-Sync written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gnosis/Grafana-Dashboard-Sync 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.20
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded tracing-core v0.1.20
[INFO] [stderr]   Downloaded tracing v0.1.28
[INFO] [stderr]   Downloaded openssl-sys v0.9.67
[INFO] [stderr]   Downloaded h2 v0.3.4
[INFO] [stderr]   Downloaded hyper v0.14.13
[INFO] [stderr]   Downloaded openssl v0.10.36
[INFO] [stderr]   Downloaded syn v1.0.77
[INFO] [stderr]   Downloaded tinyvec v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cb120dfd5aa4328e80e4d0f37c0b359127d8bfb2e7eb063815e1a1799e5945a
[INFO] running `Command { std: "docker" "start" "-a" "3cb120dfd5aa4328e80e4d0f37c0b359127d8bfb2e7eb063815e1a1799e5945a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cb120dfd5aa4328e80e4d0f37c0b359127d8bfb2e7eb063815e1a1799e5945a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb120dfd5aa4328e80e4d0f37c0b359127d8bfb2e7eb063815e1a1799e5945a", kill_on_drop: false }`
[INFO] [stdout] 3cb120dfd5aa4328e80e4d0f37c0b359127d8bfb2e7eb063815e1a1799e5945a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef2d8e5f74a403aa11f47f28a157c1aaa3e13d84898af2d7cad30a7bb54177c4
[INFO] running `Command { std: "docker" "start" "-a" "ef2d8e5f74a403aa11f47f28a157c1aaa3e13d84898af2d7cad30a7bb54177c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking grafana-dashboard-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `uid` is never read
[INFO] [stdout]    --> src/main.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct PostDashboardResponse {
[INFO] [stdout]     |        --------------------- field in this struct
[INFO] [stdout] 163 |     id: u32,
[INFO] [stdout] 164 |     uid: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PostDashboardResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `uid` is never read
[INFO] [stdout]    --> src/main.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct PostDashboardResponse {
[INFO] [stdout]     |        --------------------- field in this struct
[INFO] [stdout] 163 |     id: u32,
[INFO] [stdout] 164 |     uid: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PostDashboardResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 12.30s
[INFO] running `Command { std: "docker" "inspect" "ef2d8e5f74a403aa11f47f28a157c1aaa3e13d84898af2d7cad30a7bb54177c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2d8e5f74a403aa11f47f28a157c1aaa3e13d84898af2d7cad30a7bb54177c4", kill_on_drop: false }`
[INFO] [stdout] ef2d8e5f74a403aa11f47f28a157c1aaa3e13d84898af2d7cad30a7bb54177c4