[INFO] cloning repository https://github.com/smithhmark/kademrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smithhmark/kademrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmithhmark%2Fkademrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmithhmark%2Fkademrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 184cf67e60f38842afb7af05759949c2907b62c1
[INFO] building smithhmark/kademrust 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%2Fsmithhmark%2Fkademrust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smithhmark/kademrust 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/smithhmark/kademrust
[INFO] finished tweaking git repo https://github.com/smithhmark/kademrust
[INFO] tweaked toml for git repo https://github.com/smithhmark/kademrust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/smithhmark/kademrust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cde42f09f7f33af0a878cac854a08617251b54ef1164c7709db54e44e7f0a51f
[INFO] running `Command { std: "docker" "start" "-a" "cde42f09f7f33af0a878cac854a08617251b54ef1164c7709db54e44e7f0a51f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cde42f09f7f33af0a878cac854a08617251b54ef1164c7709db54e44e7f0a51f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde42f09f7f33af0a878cac854a08617251b54ef1164c7709db54e44e7f0a51f", kill_on_drop: false }`
[INFO] [stdout] cde42f09f7f33af0a878cac854a08617251b54ef1164c7709db54e44e7f0a51f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 97d402f837085a6810e7fea7d516d4f295593bbf228516bf0ad4216020430a3b
[INFO] running `Command { std: "docker" "start" "-a" "97d402f837085a6810e7fea7d516d4f295593bbf228516bf0ad4216020430a3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling kademrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Key` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Key = u128;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iddiff` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn iddiff(a: &NodeID, b: &NodeID) -> NodeID {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bucket_id` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn bucket_id(a: &NodeID, b: &NodeID, key_space: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constrain_bucket` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn constrain_bucket(bucket: usize, limit: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `KademliaNode` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait KademliaNode {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RTable` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 | trait RTable {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "97d402f837085a6810e7fea7d516d4f295593bbf228516bf0ad4216020430a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d402f837085a6810e7fea7d516d4f295593bbf228516bf0ad4216020430a3b", kill_on_drop: false }`
[INFO] [stdout] 97d402f837085a6810e7fea7d516d4f295593bbf228516bf0ad4216020430a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 125693a76a5b3b044233b0fcae03a482efa5577531505aef50b72a3af140c21e
[INFO] running `Command { std: "docker" "start" "-a" "125693a76a5b3b044233b0fcae03a482efa5577531505aef50b72a3af140c21e", kill_on_drop: false }`
[INFO] [stdout] warning: type alias `Key` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Key = u128;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iddiff` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn iddiff(a: &NodeID, b: &NodeID) -> NodeID {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bucket_id` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn bucket_id(a: &NodeID, b: &NodeID, key_space: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constrain_bucket` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn constrain_bucket(bucket: usize, limit: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kademrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `KademliaNode` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait KademliaNode {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RTable` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 | trait RTable {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `KademliaNode` is never used
[INFO] [stdout]   --> src/kademlia/mod.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub trait KademliaNode {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "125693a76a5b3b044233b0fcae03a482efa5577531505aef50b72a3af140c21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125693a76a5b3b044233b0fcae03a482efa5577531505aef50b72a3af140c21e", kill_on_drop: false }`
[INFO] [stdout] 125693a76a5b3b044233b0fcae03a482efa5577531505aef50b72a3af140c21e