[INFO] cloning repository https://github.com/heyrict/exhaust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heyrict/exhaust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyrict%2Fexhaust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyrict%2Fexhaust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aa78b5073c65df039075bc8773756a3980fb3ec4 [INFO] checking heyrict/exhaust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyrict%2Fexhaust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/heyrict/exhaust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/heyrict/exhaust [INFO] finished tweaking git repo https://github.com/heyrict/exhaust [INFO] tweaked toml for git repo https://github.com/heyrict/exhaust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/heyrict/exhaust 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tui v0.9.1 [INFO] [stderr] Downloaded signal-hook v0.1.13 [INFO] [stderr] Downloaded crossterm v0.17.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 41e69ff7d0da24b34c415bdf988cb9cf54958ef39abaa5597676caf58365fbf3 [INFO] running `Command { std: "docker" "start" "-a" "41e69ff7d0da24b34c415bdf988cb9cf54958ef39abaa5597676caf58365fbf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "41e69ff7d0da24b34c415bdf988cb9cf54958ef39abaa5597676caf58365fbf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41e69ff7d0da24b34c415bdf988cb9cf54958ef39abaa5597676caf58365fbf3", kill_on_drop: false }` [INFO] [stdout] 41e69ff7d0da24b34c415bdf988cb9cf54958ef39abaa5597676caf58365fbf3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22c208d1ca21b0a113f9d35b6c2f0f8ad87a88602de4a88572420f4158862cab [INFO] running `Command { std: "docker" "start" "-a" "22c208d1ca21b0a113f9d35b6c2f0f8ad87a88602de4a88572420f4158862cab", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking rle-decode-fast v1.0.1 [INFO] [stderr] Checking libflate v0.1.27 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking crossterm v0.17.3 [INFO] [stderr] Checking crossterm v0.16.0 [INFO] [stderr] Checking tui v0.9.1 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking exhaust v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/macros.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> src/macros.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Done` is never constructed [INFO] [stdout] --> src/app.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 113 | pub enum QuestionResult { [INFO] [stdout] | -------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 117 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `QuestionResult` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `exam_src` is never read [INFO] [stdout] --> src/app.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 161 | pub struct Home { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 162 | pub exam_src: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EventHandler` is never used [INFO] [stdout] --> src/widget.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait EventHandler { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/app.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | / &self.current_path.parent().map(|parent_dir| { [INFO] [stdout] 206 | | paths.insert(0, parent_dir.into()); [INFO] [stdout] 207 | | }); [INFO] [stdout] | |______________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 205 | let _ = &self.current_path.parent().map(|parent_dir| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Done` is never constructed [INFO] [stdout] --> src/app.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 113 | pub enum QuestionResult { [INFO] [stdout] | -------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 117 | Done, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `QuestionResult` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `exam_src` is never read [INFO] [stdout] --> src/app.rs:162:9 [INFO] [stdout] | [INFO] [stdout] 161 | pub struct Home { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 162 | pub exam_src: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EventHandler` is never used [INFO] [stdout] --> src/widget.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait EventHandler { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/app.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | / &self.current_path.parent().map(|parent_dir| { [INFO] [stdout] 206 | | paths.insert(0, parent_dir.into()); [INFO] [stdout] 207 | | }); [INFO] [stdout] | |______________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 205 | let _ = &self.current_path.parent().map(|parent_dir| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.30s [INFO] running `Command { std: "docker" "inspect" "22c208d1ca21b0a113f9d35b6c2f0f8ad87a88602de4a88572420f4158862cab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22c208d1ca21b0a113f9d35b6c2f0f8ad87a88602de4a88572420f4158862cab", kill_on_drop: false }` [INFO] [stdout] 22c208d1ca21b0a113f9d35b6c2f0f8ad87a88602de4a88572420f4158862cab