[INFO] fetching crate kademlia-dht 1.2.0... [INFO] checking kademlia-dht-1.2.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate kademlia-dht 1.2.0 into /workspace/builds/worker-38/source [INFO] validating manifest of crates.io crate kademlia-dht 1.2.0 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 kademlia-dht 1.2.0 [INFO] finished tweaking crates.io crate kademlia-dht 1.2.0 [INFO] tweaked toml for crates.io crate kademlia-dht 1.2.0 written to /workspace/builds/worker-38/source/Cargo.toml [INFO] crate crates.io crate kademlia-dht 1.2.0 already has a lockfile, it will not be regenerated [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 211d86c93f04437f1b0c0968c9838a65290bf0c26bd3e3b4ba036834aa50893c [INFO] running `Command { std: "docker" "start" "-a" "211d86c93f04437f1b0c0968c9838a65290bf0c26bd3e3b4ba036834aa50893c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "211d86c93f04437f1b0c0968c9838a65290bf0c26bd3e3b4ba036834aa50893c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "211d86c93f04437f1b0c0968c9838a65290bf0c26bd3e3b4ba036834aa50893c", kill_on_drop: false }` [INFO] [stdout] 211d86c93f04437f1b0c0968c9838a65290bf0c26bd3e3b4ba036834aa50893c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] f559eaff2ea89e82cf867cdf9cdfa15561b5c73254fad58ea5480b59afc4549c [INFO] running `Command { std: "docker" "start" "-a" "f559eaff2ea89e82cf867cdf9cdfa15561b5c73254fad58ea5480b59afc4549c", 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] num-traits v0.2.8: std [INFO] [stderr] syn v1.0.6 (as host dependency): extra-traits [INFO] [stderr] [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling syn v1.0.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking arrayref v0.3.5 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking keccak v0.1.0 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking sha3 v0.7.3 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Checking bincode v0.9.2 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking kademlia-dht v1.2.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/protocol.rs (1 fix) [INFO] [stderr] Fixed src/storage.rs (1 fix) [INFO] [stderr] Fixed src/node/mod.rs (1 fix) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/routing.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | mem::replace(&mut self.nodes, old_bucket); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/routing.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | mem::replace(&mut self.nodes, old_bucket); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (1 fix) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.01s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Compiling syn v1.0.6 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Checking kademlia-dht v1.2.0 (/tmp/fixit) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/routing.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | mem::replace(&mut self.nodes, old_bucket); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/routing.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | mem::replace(&mut self.nodes, old_bucket); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.86s [INFO] running `Command { std: "docker" "inspect" "f559eaff2ea89e82cf867cdf9cdfa15561b5c73254fad58ea5480b59afc4549c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f559eaff2ea89e82cf867cdf9cdfa15561b5c73254fad58ea5480b59afc4549c", kill_on_drop: false }` [INFO] [stdout] f559eaff2ea89e82cf867cdf9cdfa15561b5c73254fad58ea5480b59afc4549c