[INFO] fetching crate paxos 0.0.5... [INFO] checking paxos-0.0.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate paxos 0.0.5 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate paxos 0.0.5 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate paxos 0.0.5 [INFO] finished tweaking crates.io crate paxos 0.0.5 [INFO] tweaked toml for crates.io crate paxos 0.0.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (available: v0.9.18) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (available: v0.8.20) [INFO] [stderr] Adding env_logger v0.7.1 (available: v0.11.5) [INFO] [stderr] Adding getrandom v0.1.16 (available: v0.2.15) [INFO] [stderr] Adding lock_api v0.3.4 (available: v0.4.12) [INFO] [stderr] Adding memoffset v0.5.6 (available: v0.9.1) [INFO] [stderr] Adding parking_lot v0.10.2 (available: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.7.3 (available: v0.9.10) [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (available: v0.3.2) [INFO] [stderr] Adding redox_syscall v0.1.57 (available: v0.5.6) [INFO] [stderr] Adding sled v0.31.0 (available: v0.34.7) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (available: 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f0466a5c07f060be3bfab24ba2b00be868d16d250698fbdd19615c8268dd940 [INFO] running `Command { std: "docker" "start" "-a" "2f0466a5c07f060be3bfab24ba2b00be868d16d250698fbdd19615c8268dd940", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f0466a5c07f060be3bfab24ba2b00be868d16d250698fbdd19615c8268dd940", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f0466a5c07f060be3bfab24ba2b00be868d16d250698fbdd19615c8268dd940", kill_on_drop: false }` [INFO] [stdout] 2f0466a5c07f060be3bfab24ba2b00be868d16d250698fbdd19615c8268dd940 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72aa2587b19ccc03d83801409eae0c7001e444f1cc899cd9b1fc8a68dc8f59d2 [INFO] running `Command { std: "docker" "start" "-a" "72aa2587b19ccc03d83801409eae0c7001e444f1cc899cd9b1fc8a68dc8f59d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking sled v0.31.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Checking paxos v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/proposer.rs:188:21 [INFO] [stdout] | [INFO] [stdout] 188 | let mut pending = self.in_flight.get_mut(&req_ballot).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/proposer.rs:188:21 [INFO] [stdout] | [INFO] [stdout] 188 | let mut pending = self.in_flight.get_mut(&req_ballot).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: fields `proposers`, `req_counter`, and `in_flight` are never read [INFO] [stdout] --> src/client.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Client { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 7 | proposers: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 8 | req_counter: u64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 9 | in_flight: HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Client` 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `proposers`, `req_counter`, and `in_flight` are never read [INFO] [stdout] --> src/client.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Client { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 7 | proposers: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 8 | req_counter: u64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 9 | in_flight: HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Client` 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.00s [INFO] running `Command { std: "docker" "inspect" "72aa2587b19ccc03d83801409eae0c7001e444f1cc899cd9b1fc8a68dc8f59d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72aa2587b19ccc03d83801409eae0c7001e444f1cc899cd9b1fc8a68dc8f59d2", kill_on_drop: false }` [INFO] [stdout] 72aa2587b19ccc03d83801409eae0c7001e444f1cc899cd9b1fc8a68dc8f59d2