[INFO] cloning repository https://github.com/mwillsey/lazytrees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mwillsey/lazytrees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Flazytrees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Flazytrees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec43f2fcbf41a8bca81aae235a6fc4d3e341e78f
[INFO] checking mwillsey/lazytrees against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Flazytrees" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mwillsey/lazytrees
[INFO] finished tweaking git repo https://github.com/mwillsey/lazytrees
[INFO] tweaked toml for git repo https://github.com/mwillsey/lazytrees written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mwillsey/lazytrees on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mwillsey/lazytrees 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c7473d3024eee2ef62a9a023a8530ad15bafb10a921e7e9d5d77e1357d864f6
[INFO] running `Command { std: "docker" "start" "-a" "5c7473d3024eee2ef62a9a023a8530ad15bafb10a921e7e9d5d77e1357d864f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c7473d3024eee2ef62a9a023a8530ad15bafb10a921e7e9d5d77e1357d864f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7473d3024eee2ef62a9a023a8530ad15bafb10a921e7e9d5d77e1357d864f6", kill_on_drop: false }`
[INFO] [stdout] 5c7473d3024eee2ef62a9a023a8530ad15bafb10a921e7e9d5d77e1357d864f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06de161d092e517f896caca7c7bcd17dae57bde5e1f886ee3f66af2094907655
[INFO] running `Command { std: "docker" "start" "-a" "06de161d092e517f896caca7c7bcd17dae57bde5e1f886ee3f66af2094907655", kill_on_drop: false }`
[INFO] [stderr]     Checking wcoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Interval {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn contains(&self, key: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lookup` is never used
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl Context {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 102 |     fn lookup(&self, tree: &Tree, key: i32) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_singleton`, `empty`, and `contains` are never used
[INFO] [stdout]   --> src/main.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Interval {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn from_singleton(k: i32) -> Interval {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn empty() -> Interval {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn contains(&self, key: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Intersect`, `Concat`, and `Yes` are never constructed
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | enum Node {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 92 |     Intersect(Tree, Tree),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 93 |     Concat(Tree, Tree),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 94 |     Yes,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]   --> src/main.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | struct Context {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lookup`, `yes`, `concat`, `intersect`, `from_sorted`, and `concat_many` are never used
[INFO] [stdout]    --> src/main.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl Context {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 102 |     fn lookup(&self, tree: &Tree, key: i32) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn yes(&self, bound: Interval) -> Tree {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn concat(&self, l: Tree, r: Tree) -> Tree {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn intersect(&self, l: Tree, r: Tree) -> Tree {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn from_sorted(&self, keys: &[i32]) -> Tree {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     fn concat_many(&self, mut leaves: Vec<Tree>) -> Tree {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `restrict` and `drain` are never used
[INFO] [stdout]    --> src/main.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl Context {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn restrict(&self, tree: &Tree, bound: Interval) -> Tree {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     fn drain(&self, t: Tree) -> Vec<i32> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "06de161d092e517f896caca7c7bcd17dae57bde5e1f886ee3f66af2094907655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06de161d092e517f896caca7c7bcd17dae57bde5e1f886ee3f66af2094907655", kill_on_drop: false }`
[INFO] [stdout] 06de161d092e517f896caca7c7bcd17dae57bde5e1f886ee3f66af2094907655
