[INFO] fetching crate libp2p-tcp 0.41.0... [INFO] checking libp2p-tcp-0.41.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate libp2p-tcp 0.41.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate libp2p-tcp 0.41.0 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 libp2p-tcp 0.41.0 [INFO] finished tweaking crates.io crate libp2p-tcp 0.41.0 [INFO] tweaked toml for crates.io crate libp2p-tcp 0.41.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 229 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding async-fs v1.6.0 (latest: v2.1.1) [INFO] [stderr] Adding async-io v1.13.0 (latest: v2.3.2) [INFO] [stderr] Adding async-lock v2.8.0 (latest: v3.3.0) [INFO] [stderr] Adding async-net v1.8.0 (latest: v2.0.0) [INFO] [stderr] Adding async-process v1.8.1 (latest: v2.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v3.1.0 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v4.0.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener-strategy v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding gloo-timers v0.2.6 (latest: v0.3.0) [INFO] [stderr] Adding if-addrs v0.10.2 (latest: v0.12.0) [INFO] [stderr] Adding io-lifetimes v1.0.11 (latest: v2.0.3) [INFO] [stderr] Adding linux-raw-sys v0.3.8 (latest: v0.6.4) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding netlink-packet-core v0.4.2 (latest: v0.7.0) [INFO] [stderr] Adding netlink-packet-route v0.12.0 (latest: v0.19.0) [INFO] [stderr] Adding netlink-proto v0.10.0 (latest: v0.11.3) [INFO] [stderr] Adding nix v0.24.3 (latest: v0.28.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding polling v2.8.0 (latest: v3.6.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.6) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding rtnetlink v0.10.1 (latest: v0.14.1) [INFO] [stderr] Adding rustix v0.37.27 (latest: v0.38.32) [INFO] [stderr] Adding smol v1.3.0 (latest: v2.0.0) [INFO] [stderr] Adding socket2 v0.4.10 (latest: v0.5.6) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding system-configuration v0.5.1 (latest: v0.6.0) [INFO] [stderr] Adding system-configuration-sys v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding unsigned-varint v0.7.2 (latest: v0.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows v0.51.1 (latest: v0.54.0) [INFO] [stderr] Adding windows-core v0.51.1 (latest: v0.55.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rw-stream-sink v0.4.0 [INFO] [stderr] Downloaded multihash v0.19.1 [INFO] [stderr] Downloaded unsigned-varint v0.8.0 [INFO] [stderr] Downloaded quick-protobuf v0.8.1 [INFO] [stderr] Downloaded if-addrs v0.10.2 [INFO] [stderr] Downloaded netlink-packet-route v0.12.0 [INFO] [stderr] Downloaded netlink-packet-utils v0.5.2 [INFO] [stderr] Downloaded netlink-packet-core v0.4.2 [INFO] [stderr] Downloaded netlink-sys v0.8.6 [INFO] [stderr] Downloaded netlink-proto v0.10.0 [INFO] [stderr] Downloaded rtnetlink v0.10.1 [INFO] [stderr] Downloaded async-net v1.8.0 [INFO] [stderr] Downloaded smol v1.3.0 [INFO] [stderr] Downloaded if-watch v3.2.0 [INFO] [stderr] Downloaded multiaddr v0.18.1 [INFO] [stderr] Downloaded multistream-select v0.13.0 [INFO] [stderr] Downloaded libp2p-core v0.41.2 [INFO] [stderr] Downloaded libp2p-identity v0.2.8 [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] 018f6b07cca584af6b3d20da694d4e4b33413db4a98689c699230c9e15f993da [INFO] running `Command { std: "docker" "start" "-a" "018f6b07cca584af6b3d20da694d4e4b33413db4a98689c699230c9e15f993da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "018f6b07cca584af6b3d20da694d4e4b33413db4a98689c699230c9e15f993da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "018f6b07cca584af6b3d20da694d4e4b33413db4a98689c699230c9e15f993da", kill_on_drop: false }` [INFO] [stdout] 018f6b07cca584af6b3d20da694d4e4b33413db4a98689c699230c9e15f993da [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] 8170e2bb1b6c98d5fa79f414db9cbf30aa92e350506ea812c6c6c2326c1e8e74 [INFO] running `Command { std: "docker" "start" "-a" "8170e2bb1b6c98d5fa79f414db9cbf30aa92e350506ea812c6c6c2326c1e8e74", kill_on_drop: false }` [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling curve25519-dalek-derive v0.1.1 [INFO] [stderr] Checking signature v2.2.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking ed25519 v2.2.3 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking core2 v0.4.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking hkdf v0.12.4 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking netlink-sys v0.8.6 [INFO] [stderr] Checking multihash v0.19.1 [INFO] [stderr] Checking quick-protobuf v0.8.1 [INFO] [stderr] Checking base-x v0.2.11 [INFO] [stderr] Checking bs58 v0.5.1 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking data-encoding-macro v0.1.14 [INFO] [stderr] Checking multibase v0.9.1 [INFO] [stderr] Checking polling v3.6.0 [INFO] [stderr] Checking curve25519-dalek v4.1.2 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking async-io v2.3.2 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking netlink-packet-utils v0.5.2 [INFO] [stderr] Checking blocking v1.5.1 [INFO] [stderr] Checking polling v2.8.0 [INFO] [stderr] Checking netlink-packet-core v0.4.2 [INFO] [stderr] Checking unsigned-varint v0.8.0 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking netlink-packet-route v0.12.0 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking async-io v1.13.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking ed25519-dalek v2.1.1 [INFO] [stderr] Checking libp2p-identity v0.2.8 [INFO] [stderr] Checking async-global-executor v2.4.1 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking multiaddr v0.18.1 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking rw-stream-sink v0.4.0 [INFO] [stderr] Checking multistream-select v0.13.0 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking libp2p-core v0.41.2 [INFO] [stderr] Checking netlink-proto v0.10.0 [INFO] [stderr] Checking rtnetlink v0.10.1 [INFO] [stderr] Checking if-watch v3.2.0 [INFO] [stderr] Checking libp2p-tcp v0.41.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `future` is imported redundantly [INFO] [stdout] --> src/lib.rs:40:14 [INFO] [stdout] | [INFO] [stdout] 40 | future::{self, Ready}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 41 | prelude::*, [INFO] [stdout] | ---------- the item `future` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `future` is imported redundantly [INFO] [stdout] --> src/lib.rs:40:14 [INFO] [stdout] | [INFO] [stdout] 40 | future::{self, Ready}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 41 | prelude::*, [INFO] [stdout] | ---------- the item `future` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/lib.rs:946:17 [INFO] [stdout] | [INFO] [stdout] 946 | fn test(addr: Multiaddr) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/lib.rs:1017:17 [INFO] [stdout] | [INFO] [stdout] 1017 | fn test(addr: Multiaddr) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/lib.rs:1124:17 [INFO] [stdout] | [INFO] [stdout] 1124 | fn test(addr: Multiaddr) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/lib.rs:1192:17 [INFO] [stdout] | [INFO] [stdout] 1192 | fn test(addr: Multiaddr) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/lib.rs:1228:17 [INFO] [stdout] | [INFO] [stdout] 1228 | fn test(addr: Multiaddr) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/lib.rs:1256:17 [INFO] [stdout] | [INFO] [stdout] 1256 | fn test(addr: Multiaddr) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `listener` is never used [INFO] [stdout] --> src/lib.rs:912:18 [INFO] [stdout] | [INFO] [stdout] 912 | async fn listener(addr: Multiaddr, mut ready_tx: mpsc::Sender) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dialer` is never used [INFO] [stdout] --> src/lib.rs:933:18 [INFO] [stdout] | [INFO] [stdout] 933 | async fn dialer(mut ready_rx: mpsc::Receiver) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `listener` is never used [INFO] [stdout] --> src/lib.rs:983:18 [INFO] [stdout] | [INFO] [stdout] 983 | async fn listener(addr: Multiaddr, mut ready_tx: mpsc::Sender) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dialer` is never used [INFO] [stdout] --> src/lib.rs:1011:18 [INFO] [stdout] | [INFO] [stdout] 1011 | async fn dialer(mut ready_rx: mpsc::Receiver) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `listener` is never used [INFO] [stdout] --> src/lib.rs:1054:18 [INFO] [stdout] | [INFO] [stdout] 1054 | async fn listener( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dialer` is never used [INFO] [stdout] --> src/lib.rs:1088:18 [INFO] [stdout] | [INFO] [stdout] 1088 | async fn dialer( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `listen_twice` is never used [INFO] [stdout] --> src/lib.rs:1163:18 [INFO] [stdout] | [INFO] [stdout] 1163 | async fn listen_twice(addr: Multiaddr) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `listen` is never used [INFO] [stdout] --> src/lib.rs:1219:18 [INFO] [stdout] | [INFO] [stdout] 1219 | async fn listen(addr: Multiaddr) -> Multiaddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_address_translation` is never used [INFO] [stdout] --> src/lib.rs:1285:8 [INFO] [stdout] | [INFO] [stdout] 1285 | fn test_address_translation() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cycle_listeners` is never used [INFO] [stdout] --> src/lib.rs:1328:18 [INFO] [stdout] | [INFO] [stdout] 1328 | async fn cycle_listeners() -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> src/lib.rs:1353:12 [INFO] [stdout] | [INFO] [stdout] 1353 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.20s [INFO] running `Command { std: "docker" "inspect" "8170e2bb1b6c98d5fa79f414db9cbf30aa92e350506ea812c6c6c2326c1e8e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8170e2bb1b6c98d5fa79f414db9cbf30aa92e350506ea812c6c6c2326c1e8e74", kill_on_drop: false }` [INFO] [stdout] 8170e2bb1b6c98d5fa79f414db9cbf30aa92e350506ea812c6c6c2326c1e8e74