[INFO] fetching crate gossip 0.0.3... [INFO] checking gossip-0.0.3 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] extracting crate gossip 0.0.3 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate gossip 0.0.3 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gossip 0.0.3 [INFO] finished tweaking crates.io crate gossip 0.0.3 [INFO] tweaked toml for crates.io crate gossip 0.0.3 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a2a93ea20fdc99702fea5cfb4c6783a8de84184d7afeffe829884ef97428a80f [INFO] running `Command { std: "docker" "start" "-a" "a2a93ea20fdc99702fea5cfb4c6783a8de84184d7afeffe829884ef97428a80f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2a93ea20fdc99702fea5cfb4c6783a8de84184d7afeffe829884ef97428a80f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2a93ea20fdc99702fea5cfb4c6783a8de84184d7afeffe829884ef97428a80f", kill_on_drop: false }` [INFO] [stdout] a2a93ea20fdc99702fea5cfb4c6783a8de84184d7afeffe829884ef97428a80f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65159eb3dd2ce8e6105dd07e416b9a337eba97fbc29ec7474cb1940d022a70cc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "65159eb3dd2ce8e6105dd07e416b9a337eba97fbc29ec7474cb1940d022a70cc", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking arc-swap v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Compiling blake3 v0.3.8 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking serde v1.0.127 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking ordered-float v2.7.0 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Checking serde-value v0.7.0 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking serde_yaml v0.8.17 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking gossip v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `error` is never read [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:293:13 [INFO] [stdout] | [INFO] [stdout] 293 | std::mem::replace(&mut self.peers, new_view_start); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:357:9 [INFO] [stdout] | [INFO] [stdout] 357 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:379:13 [INFO] [stdout] | [INFO] [stdout] 379 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking log4rs v1.0.0 [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `error` is never read [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/gossip.rs:331:17 [INFO] [stdout] | [INFO] [stdout] 331 | error = true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:293:13 [INFO] [stdout] | [INFO] [stdout] 293 | std::mem::replace(&mut self.peers, new_view_start); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:357:9 [INFO] [stdout] | [INFO] [stdout] 357 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/sampling.rs:379:13 [INFO] [stdout] | [INFO] [stdout] 379 | std::mem::replace(&mut self.peers, new_view); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.92s [INFO] running `Command { std: "docker" "inspect" "65159eb3dd2ce8e6105dd07e416b9a337eba97fbc29ec7474cb1940d022a70cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65159eb3dd2ce8e6105dd07e416b9a337eba97fbc29ec7474cb1940d022a70cc", kill_on_drop: false }` [INFO] [stdout] 65159eb3dd2ce8e6105dd07e416b9a337eba97fbc29ec7474cb1940d022a70cc