[INFO] fetching crate gossip 0.0.3... [INFO] checking gossip-0.0.3 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate gossip 0.0.3 into /workspace/builds/worker-60/source [INFO] validating manifest of crates.io crate gossip 0.0.3 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-60/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 log4rs v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f50c2928f10c3c7fc3c03a4a9f3f02c210ef0890d5197d8db12ed9f48069222a [INFO] running `Command { std: "docker" "start" "-a" "f50c2928f10c3c7fc3c03a4a9f3f02c210ef0890d5197d8db12ed9f48069222a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f50c2928f10c3c7fc3c03a4a9f3f02c210ef0890d5197d8db12ed9f48069222a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f50c2928f10c3c7fc3c03a4a9f3f02c210ef0890d5197d8db12ed9f48069222a", kill_on_drop: false }` [INFO] [stdout] f50c2928f10c3c7fc3c03a4a9f3f02c210ef0890d5197d8db12ed9f48069222a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a288e5cdf1fc3070ca4a9d3e3620291872c8faf564598cf58257ce0da8bbc29 [INFO] running `Command { std: "docker" "start" "-a" "2a288e5cdf1fc3070ca4a9d3e3620291872c8faf564598cf58257ce0da8bbc29", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] libc v0.2.100: default, std [INFO] [stderr] log v0.4.14: serde, std [INFO] [stderr] syn v1.0.75 (as host dependency): extra-traits, visit [INFO] [stderr] [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling serde v1.0.128 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling anyhow v1.0.43 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking arc-swap v0.4.8 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking ordered-float v2.7.0 [INFO] [stderr] Compiling blake3 v0.3.8 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.128 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking serde_yaml v0.8.19 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking serde-value v0.7.0 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking gossip v0.0.3 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [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 26.61s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking gossip v0.0.3 (/tmp/fixit) [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: 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: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: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: 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "2a288e5cdf1fc3070ca4a9d3e3620291872c8faf564598cf58257ce0da8bbc29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a288e5cdf1fc3070ca4a9d3e3620291872c8faf564598cf58257ce0da8bbc29", kill_on_drop: false }` [INFO] [stdout] 2a288e5cdf1fc3070ca4a9d3e3620291872c8faf564598cf58257ce0da8bbc29