[INFO] cloning repository https://github.com/wojciechkepka/rkd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wojciechkepka/rkd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojciechkepka%2Frkd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojciechkepka%2Frkd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 48e88a3f59a8375bb740caf6020643e7183f7de0 [INFO] checking wojciechkepka/rkd against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojciechkepka%2Frkd" "/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/wojciechkepka/rkd 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/wojciechkepka/rkd [INFO] finished tweaking git repo https://github.com/wojciechkepka/rkd [INFO] tweaked toml for git repo https://github.com/wojciechkepka/rkd written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/wojciechkepka/rkd 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] 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] db43b42efa45b24241c800990e2a78be4d3df82ddd13fcae833336299f411633 [INFO] running `Command { std: "docker" "start" "-a" "db43b42efa45b24241c800990e2a78be4d3df82ddd13fcae833336299f411633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db43b42efa45b24241c800990e2a78be4d3df82ddd13fcae833336299f411633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db43b42efa45b24241c800990e2a78be4d3df82ddd13fcae833336299f411633", kill_on_drop: false }` [INFO] [stdout] db43b42efa45b24241c800990e2a78be4d3df82ddd13fcae833336299f411633 [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] 827d3a6e10b7de627af0d55741e11684cf693771639aa9e1abbe982469385b10 [INFO] running `Command { std: "docker" "start" "-a" "827d3a6e10b7de627af0d55741e11684cf693771639aa9e1abbe982469385b10", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking regex-syntax v0.6.15 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking rkd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(or_patterns)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(or_patterns)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:50:29 [INFO] [stdout] | [INFO] [stdout] 50 | / ... handle.join().map_err(|_| { [INFO] [stdout] 51 | | ... error!("failed to join a thread handle for keyboard {}", kb) [INFO] [stdout] 52 | | ... }); [INFO] [stdout] | |________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = handle.join().map_err(|_| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:109:41 [INFO] [stdout] | [INFO] [stdout] 109 | / ... exec.run().map_err(|e| { [INFO] [stdout] 110 | | ... error!("failed to execute command - {}", e) [INFO] [stdout] 111 | | ... }); [INFO] [stdout] | |________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = exec.run().map_err(|e| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:50:29 [INFO] [stdout] | [INFO] [stdout] 50 | / ... handle.join().map_err(|_| { [INFO] [stdout] 51 | | ... error!("failed to join a thread handle for keyboard {}", kb) [INFO] [stdout] 52 | | ... }); [INFO] [stdout] | |________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = handle.join().map_err(|_| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:109:41 [INFO] [stdout] | [INFO] [stdout] 109 | / ... exec.run().map_err(|e| { [INFO] [stdout] 110 | | ... error!("failed to execute command - {}", e) [INFO] [stdout] 111 | | ... }); [INFO] [stdout] | |________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = exec.run().map_err(|e| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s [INFO] running `Command { std: "docker" "inspect" "827d3a6e10b7de627af0d55741e11684cf693771639aa9e1abbe982469385b10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "827d3a6e10b7de627af0d55741e11684cf693771639aa9e1abbe982469385b10", kill_on_drop: false }` [INFO] [stdout] 827d3a6e10b7de627af0d55741e11684cf693771639aa9e1abbe982469385b10