[INFO] cloning repository https://github.com/YangchenYe323/distributed-system-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YangchenYe323/distributed-system-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangchenYe323%2Fdistributed-system-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangchenYe323%2Fdistributed-system-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e51d65a3ed86f71f3027b82c8b35b926843c0f4 [INFO] checking YangchenYe323/distributed-system-in-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYangchenYe323%2Fdistributed-system-in-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/YangchenYe323/distributed-system-in-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/YangchenYe323/distributed-system-in-rust [INFO] finished tweaking git repo https://github.com/YangchenYe323/distributed-system-in-rust [INFO] tweaked toml for git repo https://github.com/YangchenYe323/distributed-system-in-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 125 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.3) [INFO] [stderr] Adding fixedbitset v0.2.0 (latest: v0.5.6) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.13) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding multimap v0.8.3 (latest: v0.10.0) [INFO] [stderr] Adding petgraph v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding prost v0.6.1 (latest: v0.12.4) [INFO] [stderr] Adding prost-build v0.6.1 (latest: v0.12.4) [INFO] [stderr] Adding prost-derive v0.6.1 (latest: v0.12.4) [INFO] [stderr] Adding prost-types v0.6.1 (latest: v0.12.4) [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 syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding which v3.1.1 (latest: v6.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prost-types v0.6.1 [INFO] [stderr] Downloaded prost v0.6.1 [INFO] [stderr] Downloaded prost-derive v0.6.1 [INFO] [stderr] Downloaded prost-build v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fbf0977fb7ef42d65d68011907292defa2273b3717a08bedfc6f12200b455ce [INFO] running `Command { std: "docker" "start" "-a" "9fbf0977fb7ef42d65d68011907292defa2273b3717a08bedfc6f12200b455ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fbf0977fb7ef42d65d68011907292defa2273b3717a08bedfc6f12200b455ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fbf0977fb7ef42d65d68011907292defa2273b3717a08bedfc6f12200b455ce", kill_on_drop: false }` [INFO] [stdout] 9fbf0977fb7ef42d65d68011907292defa2273b3717a08bedfc6f12200b455ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78fa8f2d5eb0c51337d9168a650fc13c5d34d7d259bc62d3e0a3a0054eb30e20 [INFO] running `Command { std: "docker" "start" "-a" "78fa8f2d5eb0c51337d9168a650fc13c5d34d7d259bc62d3e0a3a0054eb30e20", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling fastrand v2.0.2 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking linearizability v0.1.0 (/opt/rustwide/workdir/linearizability) [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> linearizability/src/model.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::PartialEq; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Send` is imported redundantly [INFO] [stdout] --> linearizability/src/model.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::marker::Send; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Send` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Compiling tempfile v3.10.1 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Compiling prost-build v0.6.1 [INFO] [stderr] Compiling prost-derive v0.6.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> linearizability/src/model.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::PartialEq; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Send` is imported redundantly [INFO] [stdout] --> linearizability/src/model.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::marker::Send; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Send` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling prost v0.6.1 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling prost-types v0.6.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling labcodec v0.1.0 (/opt/rustwide/workdir/labcodec) [INFO] [stderr] Compiling percolator v0.1.0 (/opt/rustwide/workdir/percolator) [INFO] [stderr] Compiling raft v0.1.0 (/opt/rustwide/workdir/raft) [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking labrpc v0.1.0 (/opt/rustwide/workdir/labrpc) [INFO] [stdout] warning: unused imports: `Service`, `add_service as add_tso_service` [INFO] [stdout] --> percolator/src/service.rs:12:21 [INFO] [stdout] | [INFO] [stdout] 12 | pub use timestamp::{add_service as add_tso_service, Client as TSOClient, Service}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `add_service as add_transaction_service` [INFO] [stdout] --> percolator/src/service.rs:22:23 [INFO] [stdout] | [INFO] [stdout] 22 | pub use transaction::{add_service as add_transaction_service, Client as TransactionClient}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Service` [INFO] [stdout] --> percolator/src/service.rs:12:74 [INFO] [stdout] | [INFO] [stdout] 12 | pub use timestamp::{add_service as add_tso_service, Client as TSOClient, Service}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stdout] warning: unused import: `add_service as add_raft_service` [INFO] [stdout] --> raft/src/proto/mod.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | add_service as add_raft_service, Client as RaftClient, Service as RaftService, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `add_service as add_kv_service` [INFO] [stdout] --> raft/src/proto/mod.rs:29:24 [INFO] [stdout] | [INFO] [stdout] 29 | pub use self::kv::{add_service as add_kv_service, Client as KvClient, Service as KvService}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> raft/src/kvraft/client.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | Put(String, String), [INFO] [stdout] | --- ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 6 | Put((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> raft/src/kvraft/client.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | Append(String, String), [INFO] [stdout] | ------ ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 7 | Append((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> raft/src/kvraft/client.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | Put(String, String), [INFO] [stdout] | --- ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 6 | Put((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> raft/src/kvraft/client.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | Append(String, String), [INFO] [stdout] | ------ ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 7 | Append((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.46s [INFO] running `Command { std: "docker" "inspect" "78fa8f2d5eb0c51337d9168a650fc13c5d34d7d259bc62d3e0a3a0054eb30e20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" 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