[INFO] fetching crate gossip 0.0.3... [INFO] checking gossip-0.0.3 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate gossip 0.0.3 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate gossip 0.0.3 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ebd5e652810d266ab697b89fb56da8c614f73bd3caea7e9414d4706dce911253 [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" "ebd5e652810d266ab697b89fb56da8c614f73bd3caea7e9414d4706dce911253", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebd5e652810d266ab697b89fb56da8c614f73bd3caea7e9414d4706dce911253", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebd5e652810d266ab697b89fb56da8c614f73bd3caea7e9414d4706dce911253", kill_on_drop: false }` [INFO] [stdout] ebd5e652810d266ab697b89fb56da8c614f73bd3caea7e9414d4706dce911253 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bde75af093ae1593bcf8a5c66cd4f6c1ad8ff3a0341f295adc985a23c407cb7d [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" "bde75af093ae1593bcf8a5c66cd4f6c1ad8ff3a0341f295adc985a23c407cb7d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking subtle v2.4.0 [INFO] [stderr] Checking dtoa v0.4.7 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking ryu v1.0.5 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Compiling blake3 v0.3.7 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking ordered-float v2.0.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking log v0.4.13 [INFO] [stderr] Checking serde_json v1.0.61 [INFO] [stderr] Checking serde_yaml v0.8.15 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking serde-value v0.7.0 [INFO] [stderr] Checking gossip v0.0.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking log4rs v1.0.0 [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] [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 57.18s [INFO] running `Command { std: "docker" "inspect" "bde75af093ae1593bcf8a5c66cd4f6c1ad8ff3a0341f295adc985a23c407cb7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bde75af093ae1593bcf8a5c66cd4f6c1ad8ff3a0341f295adc985a23c407cb7d", kill_on_drop: false }` [INFO] [stdout] bde75af093ae1593bcf8a5c66cd4f6c1ad8ff3a0341f295adc985a23c407cb7d