[INFO] cloning repository https://github.com/yelcat/iot_hub [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yelcat/iot_hub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyelcat%2Fiot_hub", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyelcat%2Fiot_hub'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d289d83665018ae062190551425188eb09c76b46 [INFO] checking yelcat/iot_hub against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyelcat%2Fiot_hub" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yelcat/iot_hub on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yelcat/iot_hub [INFO] finished tweaking git repo https://github.com/yelcat/iot_hub [INFO] tweaked toml for git repo https://github.com/yelcat/iot_hub written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/yelcat/iot_hub already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 fuchsia-zircon-sys v0.2.0 [INFO] [stderr] Downloaded serde_derive v1.0.23 [INFO] [stderr] Downloaded fuchsia-zircon v0.2.1 [INFO] [stderr] Downloaded lazycell v0.5.1 [INFO] [stderr] Downloaded serde_json v1.0.6 [INFO] [stderr] Downloaded tokio-core v0.1.11 [INFO] [stderr] Downloaded serde_derive_internals v0.17.0 [INFO] [stderr] Downloaded serde v1.0.23 [INFO] [stderr] Downloaded mio v0.6.11 [INFO] [stderr] Downloaded bytes v0.4.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d10349603b0c7207569599bd5cb59ec097536d92b257be3a69c679d59f105d41 [INFO] running `Command { std: "docker" "start" "-a" "d10349603b0c7207569599bd5cb59ec097536d92b257be3a69c679d59f105d41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d10349603b0c7207569599bd5cb59ec097536d92b257be3a69c679d59f105d41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d10349603b0c7207569599bd5cb59ec097536d92b257be3a69c679d59f105d41", kill_on_drop: false }` [INFO] [stdout] d10349603b0c7207569599bd5cb59ec097536d92b257be3a69c679d59f105d41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 457e91b8fafd0aa30eed6e7d3b8d3184987e7bc53d133a783e94ece9532e7d9e [INFO] running `Command { std: "docker" "start" "-a" "457e91b8fafd0aa30eed6e7d3b8d3184987e7bc53d133a783e94ece9532e7d9e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking serde v1.0.23 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Compiling serde_derive_internals v0.17.0 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Compiling serde_derive v1.0.23 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking serde_json v1.0.6 [INFO] [stderr] Checking regex v0.2.3 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking tokio-core v0.1.11 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking iot_hub v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/proto.rs:39:25 [INFO] [stdout] | [INFO] [stdout] 39 | _ => panic!(format!("Invalid message type {}", buf[0])), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 39 - _ => panic!(format!("Invalid message type {}", buf[0])), [INFO] [stdout] 39 + _ => panic!("Invalid message type {}", buf[0]), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/proto.rs:39:25 [INFO] [stdout] | [INFO] [stdout] 39 | _ => panic!(format!("Invalid message type {}", buf[0])), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 39 - _ => panic!(format!("Invalid message type {}", buf[0])), [INFO] [stdout] 39 + _ => panic!("Invalid message type {}", buf[0]), [INFO] [stdout] | [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 [unoptimized + debuginfo] target(s) in 10.43s [INFO] running `Command { std: "docker" "inspect" "457e91b8fafd0aa30eed6e7d3b8d3184987e7bc53d133a783e94ece9532e7d9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "457e91b8fafd0aa30eed6e7d3b8d3184987e7bc53d133a783e94ece9532e7d9e", kill_on_drop: false }` [INFO] [stdout] 457e91b8fafd0aa30eed6e7d3b8d3184987e7bc53d133a783e94ece9532e7d9e