[INFO] cloning repository https://github.com/Nuhvi/kademlia-routing-table
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nuhvi/kademlia-routing-table" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuhvi%2Fkademlia-routing-table", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuhvi%2Fkademlia-routing-table'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acea7a4c7620fb833c55c748c553506a50bdc9de
[INFO] building Nuhvi/kademlia-routing-table against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuhvi%2Fkademlia-routing-table" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nuhvi/kademlia-routing-table on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nuhvi/kademlia-routing-table
[INFO] finished tweaking git repo https://github.com/Nuhvi/kademlia-routing-table
[INFO] tweaked toml for git repo https://github.com/Nuhvi/kademlia-routing-table written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Nuhvi/kademlia-routing-table already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 271f03e3e485e391c68afb0f4e495c940acc256375cb98a7c234c1417ff8101e
[INFO] running `Command { std: "docker" "start" "-a" "271f03e3e485e391c68afb0f4e495c940acc256375cb98a7c234c1417ff8101e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271f03e3e485e391c68afb0f4e495c940acc256375cb98a7c234c1417ff8101e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271f03e3e485e391c68afb0f4e495c940acc256375cb98a7c234c1417ff8101e", kill_on_drop: false }`
[INFO] [stdout] 271f03e3e485e391c68afb0f4e495c940acc256375cb98a7c234c1417ff8101e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f7845af95fdf7dbbcbb378bf0bd77064ea13d259e2d6e5c4443318435ae422a
[INFO] running `Command { std: "docker" "start" "-a" "4f7845af95fdf7dbbcbb378bf0bd77064ea13d259e2d6e5c4443318435ae422a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling kademlia-routing-table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/table.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Node {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Node` is never constructed
[INFO] [stdout]   --> src/table.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum MaybeNode {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 24 |     Node,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaybeNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bucket` is never read
[INFO] [stdout]   --> src/table.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Row {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 30 |     bucket: [MaybeNode; K_VALUE],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Row` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/table.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct RoutingTable {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 35 |     pub id: ID,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RoutingTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/table.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new(id: ID) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `row` is never used
[INFO] [stdout]   --> src/table.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl RoutingTable {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn row(self, index: usize) -> Row {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "4f7845af95fdf7dbbcbb378bf0bd77064ea13d259e2d6e5c4443318435ae422a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7845af95fdf7dbbcbb378bf0bd77064ea13d259e2d6e5c4443318435ae422a", kill_on_drop: false }`
[INFO] [stdout] 4f7845af95fdf7dbbcbb378bf0bd77064ea13d259e2d6e5c4443318435ae422a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe82c172a78eeae3256e6e70fee6fbb9bc82e4f8e3eee45ccb290564c5ee7fd8
[INFO] running `Command { std: "docker" "start" "-a" "fe82c172a78eeae3256e6e70fee6fbb9bc82e4f8e3eee45ccb290564c5ee7fd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling kademlia-routing-table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/table.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Node {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Node` is never constructed
[INFO] [stdout]   --> src/table.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum MaybeNode {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 24 |     Node,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaybeNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bucket` is never read
[INFO] [stdout]   --> src/table.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Row {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 30 |     bucket: [MaybeNode; K_VALUE],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Row` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/table.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct RoutingTable {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 35 |     pub id: ID,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RoutingTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/table.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new(id: ID) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `row` is never used
[INFO] [stdout]   --> src/table.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl RoutingTable {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn row(self, index: usize) -> Row {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "fe82c172a78eeae3256e6e70fee6fbb9bc82e4f8e3eee45ccb290564c5ee7fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe82c172a78eeae3256e6e70fee6fbb9bc82e4f8e3eee45ccb290564c5ee7fd8", kill_on_drop: false }`
[INFO] [stdout] fe82c172a78eeae3256e6e70fee6fbb9bc82e4f8e3eee45ccb290564c5ee7fd8