[INFO] fetching crate rast 0.1.0-alpha.0... [INFO] checking rast-0.1.0-alpha.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate rast 0.1.0-alpha.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate rast 0.1.0-alpha.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rast 0.1.0-alpha.0 [INFO] finished tweaking crates.io crate rast 0.1.0-alpha.0 [INFO] tweaked toml for crates.io crate rast 0.1.0-alpha.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.5) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.15) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_pcg v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--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 extreme v666.666.666666 [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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee494cd9d266453eb392d0f458767deba3b556df046a31ec6474362007e94f02 [INFO] running `Command { std: "docker" "start" "-a" "ee494cd9d266453eb392d0f458767deba3b556df046a31ec6474362007e94f02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee494cd9d266453eb392d0f458767deba3b556df046a31ec6474362007e94f02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee494cd9d266453eb392d0f458767deba3b556df046a31ec6474362007e94f02", kill_on_drop: false }` [INFO] [stdout] ee494cd9d266453eb392d0f458767deba3b556df046a31ec6474362007e94f02 [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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 903514ab874bff85312c701e91e47572ac05fc6d69237404a5f3eca60dbe3808 [INFO] running `Command { std: "docker" "start" "-a" "903514ab874bff85312c701e91e47572ac05fc6d69237404a5f3eca60dbe3808", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking extreme v666.666.666666 [INFO] [stderr] Checking rast v0.1.0-alpha.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/raft.rs:766:11 [INFO] [stdout] | [INFO] [stdout] 766 | let mut shared = self.shared_mut(); [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/raft.rs:1053:9 [INFO] [stdout] | [INFO] [stdout] 1053 | let mut shared = self.shared_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stdout] warning: unused import: `nemesis::*` [INFO] [stdout] --> src/lib.rs:134:11 [INFO] [stdout] | [INFO] [stdout] 134 | pub use nemesis::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/raft.rs:766:11 [INFO] [stdout] | [INFO] [stdout] 766 | let mut shared = self.shared_mut(); [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/raft.rs:1053:9 [INFO] [stdout] | [INFO] [stdout] 1053 | let mut shared = self.shared_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `worker_idx`, `start`, `req`, and `finish` are never read [INFO] [stdout] --> src/nemesis/nemesis.rs:42:3 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct ReadOp { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 42 | worker_idx: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 43 | start: Instant, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 44 | req: ReadReq, [INFO] [stdout] | ^^^ [INFO] [stdout] 45 | res: Result, [INFO] [stdout] 46 | finish: Instant, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReadOp` has derived impls for the traits `Clone` and `Debug`, 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: fields `worker_idx`, `start`, and `finish` are never read [INFO] [stdout] --> src/nemesis/nemesis.rs:51:3 [INFO] [stdout] | [INFO] [stdout] 50 | pub struct WriteOp { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 51 | worker_idx: u64, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 52 | start: Instant, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | finish: Instant, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WriteOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `state` is never read [INFO] [stdout] --> src/testutil/deterministic.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct DeterministicNode { [INFO] [stdout] | ----------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 16 | pub state: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `nodes` and `tick` are never used [INFO] [stdout] --> src/testutil/deterministic.rs:259:6 [INFO] [stdout] | [INFO] [stdout] 257 | pub trait DeterministicGroup { [INFO] [stdout] | ------------------ methods in this trait [INFO] [stdout] 258 | fn cfg(&self) -> &Config; [INFO] [stdout] 259 | fn nodes(&self) -> Vec<&DeterministicNode>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 262 | fn tick(&mut self, inc: Duration) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/testutil/noopfuture.rs:45:54 [INFO] [stdout] | [INFO] [stdout] 45 | Poll::Pending => panic!("unexpectedly not ready: {:?}"), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 45 | Poll::Pending => panic!("unexpectedly not ready: {:?}", ...), [INFO] [stdout] | +++++ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 45 | Poll::Pending => panic!("{}", "unexpectedly not ready: {:?}"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s [INFO] running `Command { std: "docker" "inspect" "903514ab874bff85312c701e91e47572ac05fc6d69237404a5f3eca60dbe3808", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "903514ab874bff85312c701e91e47572ac05fc6d69237404a5f3eca60dbe3808", kill_on_drop: false }` [INFO] [stdout] 903514ab874bff85312c701e91e47572ac05fc6d69237404a5f3eca60dbe3808