[INFO] fetching crate paxos 0.0.5... [INFO] checking paxos-0.0.5 against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218 [INFO] extracting crate paxos 0.0.5 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate paxos 0.0.5 on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "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-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "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 quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding sled v0.31.0 (available: v0.34.7) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a056d4303c9bc6b1f1746f19b88b33272473fbdfbe752c37835f4d9b3a09799 [INFO] running `Command { std: "docker" "start" "-a" "5a056d4303c9bc6b1f1746f19b88b33272473fbdfbe752c37835f4d9b3a09799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a056d4303c9bc6b1f1746f19b88b33272473fbdfbe752c37835f4d9b3a09799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a056d4303c9bc6b1f1746f19b88b33272473fbdfbe752c37835f4d9b3a09799", kill_on_drop: false }` [INFO] [stdout] 5a056d4303c9bc6b1f1746f19b88b33272473fbdfbe752c37835f4d9b3a09799 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dreturn-local-variable-ptr" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dde6134bc3f46fe87cd0e958b89c7d6335a1a68c71779b48f83228959d2631cd [INFO] running `Command { std: "docker" "start" "-a" "dde6134bc3f46fe87cd0e958b89c7d6335a1a68c71779b48f83228959d2631cd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.168 [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling serde v1.0.216 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking sled v0.31.0 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.216 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking zerocopy v0.7.35 [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 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: 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] [stderr] Checking quickcheck v0.9.2 [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.61s [INFO] running `Command { std: "docker" "inspect" "dde6134bc3f46fe87cd0e958b89c7d6335a1a68c71779b48f83228959d2631cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dde6134bc3f46fe87cd0e958b89c7d6335a1a68c71779b48f83228959d2631cd", kill_on_drop: false }` [INFO] [stdout] dde6134bc3f46fe87cd0e958b89c7d6335a1a68c71779b48f83228959d2631cd