[INFO] fetching crate zkstate 0.1.6... [INFO] checking zkstate-0.1.6 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354 [INFO] extracting crate zkstate 0.1.6 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate zkstate 0.1.6 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zkstate 0.1.6 [INFO] finished tweaking crates.io crate zkstate 0.1.6 [INFO] tweaked toml for crates.io crate zkstate 0.1.6 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate zkstate 0.1.6 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded treediff v4.0.0 [INFO] [stderr] Downloaded zookeeper v0.5.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 630fe8fb821f3560734e40bc2175f37fe1a24dd338406f61361d54ec4a8b3f84 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "630fe8fb821f3560734e40bc2175f37fe1a24dd338406f61361d54ec4a8b3f84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "630fe8fb821f3560734e40bc2175f37fe1a24dd338406f61361d54ec4a8b3f84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "630fe8fb821f3560734e40bc2175f37fe1a24dd338406f61361d54ec4a8b3f84", kill_on_drop: false }` [INFO] [stdout] 630fe8fb821f3560734e40bc2175f37fe1a24dd338406f61361d54ec4a8b3f84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28c9734d8315e158d77869d8c20aaa114079d4b521d9e0c9c32cb57111df8f16 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "28c9734d8315e158d77869d8c20aaa114079d4b521d9e0c9c32cb57111df8f16", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Checking snowflake v1.3.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking regex v1.4.4 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Compiling zookeeper_derive v0.4.1 [INFO] [stderr] Checking zookeeper v0.5.10 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking treediff v4.0.0 [INFO] [stderr] Checking zkstate v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `LockResult`, `PoisonError` [INFO] [stdout] --> src/lib.rs:2:30 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::{Arc, RwLock, LockResult, PoisonError}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Context` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use anyhow::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LockResult`, `PoisonError` [INFO] [stdout] --> src/lib.rs:2:30 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::{Arc, RwLock, LockResult, PoisonError}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Context` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use anyhow::Context; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | let mut state = self.state.write().unwrap(); [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/lib.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | let mut state = self.state.write().unwrap(); [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: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | latch.start(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | latch.start(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [stdout] warning: function is never used: `update` [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.18s [INFO] running `Command { std: "docker" "inspect" "28c9734d8315e158d77869d8c20aaa114079d4b521d9e0c9c32cb57111df8f16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28c9734d8315e158d77869d8c20aaa114079d4b521d9e0c9c32cb57111df8f16", kill_on_drop: false }` [INFO] [stdout] 28c9734d8315e158d77869d8c20aaa114079d4b521d9e0c9c32cb57111df8f16