[INFO] fetching crate frugalos_raft 1.2.0... [INFO] checking frugalos_raft-1.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate frugalos_raft 1.2.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate frugalos_raft 1.2.0 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 crates.io crate frugalos_raft 1.2.0 [INFO] finished tweaking crates.io crate frugalos_raft 1.2.0 [INFO] tweaked toml for crates.io crate frugalos_raft 1.2.0 written to /workspace/builds/worker-4-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 73 packages [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding nom v2.2.1 (latest: v7.1.3) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding splay_tree v0.2.10 (latest: v0.3.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding trackable v0.2.24 (latest: v1.3.0) [INFO] [stderr] Adding uuid v0.7.4 (latest: v1.8.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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 trackable v0.2.24 [INFO] [stderr] Downloaded trackable_derive v1.0.0 [INFO] [stderr] Downloaded raftlog_protobuf v0.3.0 [INFO] [stderr] Downloaded trackable v1.3.0 [INFO] [stderr] Downloaded procinfo v0.4.2 [INFO] [stderr] Downloaded nom v2.2.1 [INFO] [stderr] Downloaded cannyls v0.10.0 [INFO] [stderr] Downloaded fibers_global v0.1.2 [INFO] [stderr] Downloaded fibers v0.1.13 [INFO] [stderr] Downloaded factory v0.1.2 [INFO] [stderr] Downloaded nbchan v0.1.3 [INFO] [stderr] Downloaded splay_tree v0.2.10 [INFO] [stderr] Downloaded fibers_tasque v0.1.2 [INFO] [stderr] Downloaded bytecodec v0.4.15 [INFO] [stderr] Downloaded protobuf_codec v0.2.8 [INFO] [stderr] Downloaded prometrics v0.1.13 [INFO] [stderr] Downloaded raftlog v0.6.0 [INFO] [stderr] Downloaded tasque v0.1.5 [INFO] [stderr] Downloaded fibers_rpc v0.3.4 [INFO] [stderr] Downloaded atomic_immut v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 96d330d48579b95eba7c534444273f90ab9dede9d7b0719497bcb9d34ff68bea [INFO] running `Command { std: "docker" "start" "-a" "96d330d48579b95eba7c534444273f90ab9dede9d7b0719497bcb9d34ff68bea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96d330d48579b95eba7c534444273f90ab9dede9d7b0719497bcb9d34ff68bea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96d330d48579b95eba7c534444273f90ab9dede9d7b0719497bcb9d34ff68bea", kill_on_drop: false }` [INFO] [stdout] 96d330d48579b95eba7c534444273f90ab9dede9d7b0719497bcb9d34ff68bea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4ad7c37b1b8a093c4a7aeb9ff07741202e31a1b184e505a9e24c09f0b1211f09 [INFO] running `Command { std: "docker" "start" "-a" "4ad7c37b1b8a093c4a7aeb9ff07741202e31a1b184e505a9e24c09f0b1211f09", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking atomic_immut v0.1.4 [INFO] [stderr] Checking nbchan v0.1.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking splay_tree v0.2.10 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking factory v0.1.2 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking fibers v0.1.13 [INFO] [stderr] Checking fibers_global v0.1.2 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling trackable_derive v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking trackable v1.3.0 [INFO] [stderr] Checking trackable v0.2.24 [INFO] [stderr] Checking bytecodec v0.4.15 [INFO] [stderr] Checking prometrics v0.1.13 [INFO] [stderr] Checking tasque v0.1.5 [INFO] [stderr] Checking raftlog v0.6.0 [INFO] [stderr] Checking cannyls v0.10.0 [INFO] [stderr] Checking fibers_tasque v0.1.2 [INFO] [stderr] Checking protobuf_codec v0.2.8 [INFO] [stderr] Checking fibers_rpc v0.3.4 [INFO] [stderr] Checking raftlog_protobuf v0.3.0 [INFO] [stderr] Checking frugalos_raft v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `bytecodec` is imported redundantly [INFO] [stdout] --> src/protobuf.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use bytecodec::{self, Decode, DecodeExt, EncodeExt, SizedEncode}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | extern crate bytecodec; [INFO] [stdout] | ----------------------- the item `bytecodec` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `raftlog` is imported redundantly [INFO] [stdout] --> src/protobuf.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use raftlog::{self, Result}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate raftlog; [INFO] [stdout] | --------------------- the item `raftlog` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::client::RpcClient` [INFO] [stdout] --> src/rpc/mod.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub use self::client::RpcClient; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::server::RpcServer` [INFO] [stdout] --> src/rpc/mod.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub use self::server::RpcServer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `raftlog` is imported redundantly [INFO] [stdout] --> src/rpc/mail.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use raftlog::{self, ErrorKind, Result}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate raftlog; [INFO] [stdout] | --------------------- the item `raftlog` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LoadLogPrefix`, `SaveLogPrefix` [INFO] [stdout] --> src/storage/mod.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | pub use self::log_prefix::{LoadLogPrefix, SaveLogPrefix}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LoadLogSuffix`, `SaveLogSuffix` [INFO] [stdout] --> src/storage/mod.rs:17:28 [INFO] [stdout] | [INFO] [stdout] 17 | pub use self::log_suffix::{LoadLogSuffix, SaveLogSuffix}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/storage/ballot.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use futures::{self, Async, Future, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate futures; [INFO] [stdout] | --------------------- the item `futures` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/storage/log_suffix.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::{self, Async, Future, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate futures; [INFO] [stdout] | --------------------- the item `futures` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/timer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bytecodec` is imported redundantly [INFO] [stdout] --> src/protobuf.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use bytecodec::{self, Decode, DecodeExt, EncodeExt, SizedEncode}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | extern crate bytecodec; [INFO] [stdout] | ----------------------- the item `bytecodec` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `raftlog` is imported redundantly [INFO] [stdout] --> src/protobuf.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use raftlog::{self, Result}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate raftlog; [INFO] [stdout] | --------------------- the item `raftlog` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::client::RpcClient` [INFO] [stdout] --> src/rpc/mod.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub use self::client::RpcClient; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::server::RpcServer` [INFO] [stdout] --> src/rpc/mod.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub use self::server::RpcServer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `raftlog` is imported redundantly [INFO] [stdout] --> src/rpc/mail.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use raftlog::{self, ErrorKind, Result}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate raftlog; [INFO] [stdout] | --------------------- the item `raftlog` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LoadLogPrefix`, `SaveLogPrefix` [INFO] [stdout] --> src/storage/mod.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | pub use self::log_prefix::{LoadLogPrefix, SaveLogPrefix}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LoadLogSuffix`, `SaveLogSuffix` [INFO] [stdout] --> src/storage/mod.rs:17:28 [INFO] [stdout] | [INFO] [stdout] 17 | pub use self::log_suffix::{LoadLogSuffix, SaveLogSuffix}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/storage/ballot.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use futures::{self, Async, Future, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate futures; [INFO] [stdout] | --------------------- the item `futures` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Range` is imported redundantly [INFO] [stdout] --> src/storage/log_prefix/delete.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 120 | use super::*; [INFO] [stdout] | -------- the item `Range` is already imported here [INFO] [stdout] ... [INFO] [stdout] 124 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/storage/log_suffix.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::{self, Async, Future, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate futures; [INFO] [stdout] | --------------------- the item `futures` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/timer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/storage/mod.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 34 | INITIALIZATION_LOCK.compare_and_swap(0, 1, atomic::Ordering::SeqCst) == 0 [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/storage/mod.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 34 | INITIALIZATION_LOCK.compare_and_swap(0, 1, atomic::Ordering::SeqCst) == 0 [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `spawner` is never read [INFO] [stdout] --> src/rpc/mail.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Mailer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 15 | spawner: BoxSpawn, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Mailer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `spawner` is never read [INFO] [stdout] --> src/rpc/mail.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Mailer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 15 | spawner: BoxSpawn, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Mailer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.20s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "4ad7c37b1b8a093c4a7aeb9ff07741202e31a1b184e505a9e24c09f0b1211f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ad7c37b1b8a093c4a7aeb9ff07741202e31a1b184e505a9e24c09f0b1211f09", kill_on_drop: false }` [INFO] [stdout] 4ad7c37b1b8a093c4a7aeb9ff07741202e31a1b184e505a9e24c09f0b1211f09 [INFO] checking frugalos_raft-1.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate frugalos_raft 1.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate frugalos_raft 1.2.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate frugalos_raft 1.2.0 [INFO] finished tweaking crates.io crate frugalos_raft 1.2.0 [INFO] tweaked toml for crates.io crate frugalos_raft 1.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 771ff5f5abe3cab420226c6dd8be84b1a42cecd5778ae070abf1bc694e74030d [INFO] running `Command { std: "docker" "start" "-a" "771ff5f5abe3cab420226c6dd8be84b1a42cecd5778ae070abf1bc694e74030d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "771ff5f5abe3cab420226c6dd8be84b1a42cecd5778ae070abf1bc694e74030d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "771ff5f5abe3cab420226c6dd8be84b1a42cecd5778ae070abf1bc694e74030d", kill_on_drop: false }` [INFO] [stdout] 771ff5f5abe3cab420226c6dd8be84b1a42cecd5778ae070abf1bc694e74030d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40804af6b1eefbb4cccdb0179a4183434db1e9f53ced65dbf03a039c271fdb24 [INFO] running `Command { std: "docker" "start" "-a" "40804af6b1eefbb4cccdb0179a4183434db1e9f53ced65dbf03a039c271fdb24", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking atomic_immut v0.1.4 [INFO] [stderr] Checking nbchan v0.1.3 [INFO] [stderr] Checking splay_tree v0.2.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking factory v0.1.2 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking fibers v0.1.13 [INFO] [stderr] Checking fibers_global v0.1.2 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling trackable_derive v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking trackable v1.3.0 [INFO] [stderr] Checking trackable v0.2.24 [INFO] [stderr] Checking prometrics v0.1.13 [INFO] [stderr] Checking bytecodec v0.4.15 [INFO] [stderr] Checking tasque v0.1.5 [INFO] [stderr] Checking raftlog v0.6.0 [INFO] [stderr] Checking cannyls v0.10.0 [INFO] [stderr] Checking fibers_tasque v0.1.2 [INFO] [stderr] Checking protobuf_codec v0.2.8 [INFO] [stderr] Checking fibers_rpc v0.3.4 [INFO] [stderr] Checking raftlog_protobuf v0.3.0 [INFO] [stderr] Checking frugalos_raft v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `bytecodec` is imported redundantly [INFO] [stdout] --> src/protobuf.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use bytecodec::{self, Decode, DecodeExt, EncodeExt, SizedEncode}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | extern crate bytecodec; [INFO] [stdout] | ----------------------- the item `bytecodec` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `raftlog` is imported redundantly [INFO] [stdout] --> src/protobuf.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use raftlog::{self, Result}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate raftlog; [INFO] [stdout] | --------------------- the item `raftlog` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::client::RpcClient` [INFO] [stdout] --> src/rpc/mod.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub use self::client::RpcClient; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::server::RpcServer` [INFO] [stdout] --> src/rpc/mod.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub use self::server::RpcServer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bytecodec` is imported redundantly [INFO] [stdout] --> src/protobuf.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use bytecodec::{self, Decode, DecodeExt, EncodeExt, SizedEncode}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | extern crate bytecodec; [INFO] [stdout] | ----------------------- the item `bytecodec` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `raftlog` is imported redundantly [INFO] [stdout] --> src/rpc/mail.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use raftlog::{self, ErrorKind, Result}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate raftlog; [INFO] [stdout] | --------------------- the item `raftlog` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LoadLogPrefix`, `SaveLogPrefix` [INFO] [stdout] --> src/storage/mod.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | pub use self::log_prefix::{LoadLogPrefix, SaveLogPrefix}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `raftlog` is imported redundantly [INFO] [stdout] --> src/protobuf.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use raftlog::{self, Result}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate raftlog; [INFO] [stdout] | --------------------- the item `raftlog` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::client::RpcClient` [INFO] [stdout] --> src/rpc/mod.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub use self::client::RpcClient; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LoadLogSuffix`, `SaveLogSuffix` [INFO] [stdout] --> src/storage/mod.rs:17:28 [INFO] [stdout] | [INFO] [stdout] 17 | pub use self::log_suffix::{LoadLogSuffix, SaveLogSuffix}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/storage/ballot.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use futures::{self, Async, Future, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate futures; [INFO] [stdout] | --------------------- the item `futures` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::server::RpcServer` [INFO] [stdout] --> src/rpc/mod.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub use self::server::RpcServer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `raftlog` is imported redundantly [INFO] [stdout] --> src/rpc/mail.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use raftlog::{self, ErrorKind, Result}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate raftlog; [INFO] [stdout] | --------------------- the item `raftlog` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LoadLogPrefix`, `SaveLogPrefix` [INFO] [stdout] --> src/storage/mod.rs:16:28 [INFO] [stdout] | [INFO] [stdout] 16 | pub use self::log_prefix::{LoadLogPrefix, SaveLogPrefix}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LoadLogSuffix`, `SaveLogSuffix` [INFO] [stdout] --> src/storage/mod.rs:17:28 [INFO] [stdout] | [INFO] [stdout] 17 | pub use self::log_suffix::{LoadLogSuffix, SaveLogSuffix}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/storage/log_suffix.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::{self, Async, Future, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate futures; [INFO] [stdout] | --------------------- the item `futures` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/storage/ballot.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use futures::{self, Async, Future, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate futures; [INFO] [stdout] | --------------------- the item `futures` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Range` is imported redundantly [INFO] [stdout] --> src/storage/log_prefix/delete.rs:124:9 [INFO] [stdout] | [INFO] [stdout] 120 | use super::*; [INFO] [stdout] | -------- the item `Range` is already imported here [INFO] [stdout] ... [INFO] [stdout] 124 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/storage/log_suffix.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::{self, Async, Future, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | extern crate futures; [INFO] [stdout] | --------------------- the item `futures` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/timer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/timer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{self, Rng}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/storage/mod.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 34 | INITIALIZATION_LOCK.compare_and_swap(0, 1, atomic::Ordering::SeqCst) == 0 [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/storage/mod.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 34 | INITIALIZATION_LOCK.compare_and_swap(0, 1, atomic::Ordering::SeqCst) == 0 [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `spawner` is never read [INFO] [stdout] --> src/rpc/mail.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Mailer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 15 | spawner: BoxSpawn, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Mailer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `spawner` is never read [INFO] [stdout] --> src/rpc/mail.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Mailer { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 15 | spawner: BoxSpawn, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Mailer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.15s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "40804af6b1eefbb4cccdb0179a4183434db1e9f53ced65dbf03a039c271fdb24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40804af6b1eefbb4cccdb0179a4183434db1e9f53ced65dbf03a039c271fdb24", kill_on_drop: false }` [INFO] [stdout] 40804af6b1eefbb4cccdb0179a4183434db1e9f53ced65dbf03a039c271fdb24