[INFO] cloning repository https://github.com/IAFahim/let_me [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IAFahim/let_me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIAFahim%2Flet_me", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIAFahim%2Flet_me'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a16c4d75951443c9460a96da8c15530ee47bae0 [INFO] checking IAFahim/let_me against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIAFahim%2Flet_me" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/IAFahim/let_me 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/IAFahim/let_me [INFO] finished tweaking git repo https://github.com/IAFahim/let_me [INFO] tweaked toml for git repo https://github.com/IAFahim/let_me written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/IAFahim/let_me 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ioctl-sys v0.5.2 [INFO] [stderr] Downloaded enum_derive v0.1.7 [INFO] [stderr] Downloaded nix v0.10.0 [INFO] [stderr] Downloaded udev v0.6.3 [INFO] [stderr] Downloaded input v0.6.0 [INFO] [stderr] Downloaded uinput-sys v0.1.7 [INFO] [stderr] Downloaded uinput v0.1.3 [INFO] [stderr] Downloaded inputbot v0.5.1 [INFO] [stderr] Downloaded input-sys v1.17.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a7d92d7592c5ef319d111797d6a08b9b5a6a3eab7490aaaa9fb2d24310760859 [INFO] running `Command { std: "docker" "start" "-a" "a7d92d7592c5ef319d111797d6a08b9b5a6a3eab7490aaaa9fb2d24310760859", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7d92d7592c5ef319d111797d6a08b9b5a6a3eab7490aaaa9fb2d24310760859", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7d92d7592c5ef319d111797d6a08b9b5a6a3eab7490aaaa9fb2d24310760859", kill_on_drop: false }` [INFO] [stdout] a7d92d7592c5ef319d111797d6a08b9b5a6a3eab7490aaaa9fb2d24310760859 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7aab6c6a72a87da0ef590814c0f98980d9a99e6f2979581bdfc062ebf1792881 [INFO] running `Command { std: "docker" "start" "-a" "7aab6c6a72a87da0ef590814c0f98980d9a99e6f2979581bdfc062ebf1792881", kill_on_drop: false }` [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling input-sys v1.17.0 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling x11 v2.21.0 [INFO] [stderr] Checking unicode-bidi v0.3.10 [INFO] [stderr] Checking ioctl-sys v0.5.2 [INFO] [stderr] Checking uinput-sys v0.1.7 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking enum_derive v0.1.7 [INFO] [stderr] Compiling serde_json v1.0.93 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking idna v0.3.0 [INFO] [stderr] Checking udev v0.6.3 [INFO] [stderr] Checking url v2.3.1 [INFO] [stderr] Checking input v0.6.0 [INFO] [stderr] Checking webbrowser v0.8.7 [INFO] [stderr] Checking uinput v0.1.3 [INFO] [stderr] Checking inputbot v0.5.1 [INFO] [stderr] Checking let_me v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut component = Component{ [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/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut component = Component{ [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/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut component2 = Component{ [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut component2 = Component{ [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Component { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 3 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 4 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | input: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | on_enable: Option>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 7 | start: Task, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | result: Option>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | on_complete: Option>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | on_error: Option>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | next: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Component` 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: multiple fields are never read [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Component { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 3 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 4 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | input: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | on_enable: Option>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 7 | start: Task, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | result: Option>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | on_complete: Option>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | on_error: Option>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | next: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Component` 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: fields `lib` and `method` are never read [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Task{ [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 16 | lib: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 17 | method: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Task` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lib` and `method` are never read [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Task{ [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 16 | lib: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 17 | method: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Task` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s [INFO] running `Command { std: "docker" "inspect" "7aab6c6a72a87da0ef590814c0f98980d9a99e6f2979581bdfc062ebf1792881", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7aab6c6a72a87da0ef590814c0f98980d9a99e6f2979581bdfc062ebf1792881", kill_on_drop: false }` [INFO] [stdout] 7aab6c6a72a87da0ef590814c0f98980d9a99e6f2979581bdfc062ebf1792881