[INFO] fetching crate zkstate 0.1.23... [INFO] checking zkstate-0.1.23 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013 [INFO] extracting crate zkstate 0.1.23 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate zkstate 0.1.23 on toolchain 2e6fc425411280c658d852813de01c5157255088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zkstate 0.1.23 [INFO] finished tweaking crates.io crate zkstate 0.1.23 [INFO] tweaked toml for crates.io crate zkstate 0.1.23 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate zkstate 0.1.23 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zookeeper v0.6.0 [INFO] [stderr] Downloaded treediff v4.0.0 [INFO] [stderr] Downloaded zookeeper_derive v0.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c080dea313f2d4b39fe663e22d8565aecbcd48b1cf36361c6f9a3efd4718013c [INFO] running `Command { std: "docker" "start" "-a" "c080dea313f2d4b39fe663e22d8565aecbcd48b1cf36361c6f9a3efd4718013c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c080dea313f2d4b39fe663e22d8565aecbcd48b1cf36361c6f9a3efd4718013c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c080dea313f2d4b39fe663e22d8565aecbcd48b1cf36361c6f9a3efd4718013c", kill_on_drop: false }` [INFO] [stdout] c080dea313f2d4b39fe663e22d8565aecbcd48b1cf36361c6f9a3efd4718013c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81fd605507567c2a66f32c917bb7250554cd61a10287fd63f52ecba42a68b232 [INFO] running `Command { std: "docker" "start" "-a" "81fd605507567c2a66f32c917bb7250554cd61a10287fd63f52ecba42a68b232", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Compiling anyhow v1.0.43 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking snowflake v1.3.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling zookeeper_derive v0.4.1 [INFO] [stderr] Checking zookeeper v0.6.0 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking treediff v4.0.0 [INFO] [stderr] Checking zkstate v0.1.23 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/test.rs:62:15 [INFO] [stdout] | [INFO] [stdout] 62 | c.update(|mut p| { [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: function `update` is never used [INFO] [stdout] --> examples/test.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn update(i: Testing, c: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/test.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | / c.update_handler(|msg| { [INFO] [stdout] 48 | | println!("got stage change message: {:?}", msg); [INFO] [stdout] 49 | | }); [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] 47 | let _ = c.update_handler(|msg| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/test.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | / c.update(|mut p| { [INFO] [stdout] 63 | | p.my_field = "hello world again".to_string() [INFO] [stdout] 64 | | }); [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] 62 | let _ = c.update(|mut p| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.31s [INFO] running `Command { std: "docker" "inspect" "81fd605507567c2a66f32c917bb7250554cd61a10287fd63f52ecba42a68b232", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81fd605507567c2a66f32c917bb7250554cd61a10287fd63f52ecba42a68b232", kill_on_drop: false }` [INFO] [stdout] 81fd605507567c2a66f32c917bb7250554cd61a10287fd63f52ecba42a68b232