[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#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyelcat%2Fiot_hub" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yelcat/iot_hub 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/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-2-tc1/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: 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 serde_derive_internals v0.17.0 [INFO] [stderr] Downloaded serde v1.0.23 [INFO] [stderr] Downloaded serde_derive v1.0.23 [INFO] [stderr] Downloaded serde_json v1.0.6 [INFO] [stderr] Downloaded tokio-core v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e80095d92443f89379fca52ee0c11815479e2b3bd9f408e0eac1133a583ad4ae [INFO] running `Command { std: "docker" "start" "-a" "e80095d92443f89379fca52ee0c11815479e2b3bd9f408e0eac1133a583ad4ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e80095d92443f89379fca52ee0c11815479e2b3bd9f408e0eac1133a583ad4ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e80095d92443f89379fca52ee0c11815479e2b3bd9f408e0eac1133a583ad4ae", kill_on_drop: false }` [INFO] [stdout] e80095d92443f89379fca52ee0c11815479e2b3bd9f408e0eac1133a583ad4ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0965d2d1fcb7e2b3e25c060768dd0f2e6be794e7cfba402fc71e4081c60de174 [INFO] running `Command { std: "docker" "start" "-a" "0965d2d1fcb7e2b3e25c060768dd0f2e6be794e7cfba402fc71e4081c60de174", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking serde v1.0.23 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking regex v0.2.3 [INFO] [stderr] Compiling serde_derive_internals v0.17.0 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking tokio-core v0.1.11 [INFO] [stderr] Compiling serde_derive v1.0.23 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking serde_json v1.0.6 [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: 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] = note: `#[warn(non_fmt_panics)]` on by default [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: 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] = note: `#[warn(non_fmt_panics)]` on by default [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` profile [unoptimized + debuginfo] target(s) in 2.30s [INFO] running `Command { std: "docker" "inspect" "0965d2d1fcb7e2b3e25c060768dd0f2e6be794e7cfba402fc71e4081c60de174", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0965d2d1fcb7e2b3e25c060768dd0f2e6be794e7cfba402fc71e4081c60de174", kill_on_drop: false }` [INFO] [stdout] 0965d2d1fcb7e2b3e25c060768dd0f2e6be794e7cfba402fc71e4081c60de174