[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 try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwillsey%2Flazytrees" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mwillsey/lazytrees on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f3b3adaf5d8b22049d57824e88483cff73c5b258278429c18d67387f91c377f [INFO] running `Command { std: "docker" "start" "-a" "0f3b3adaf5d8b22049d57824e88483cff73c5b258278429c18d67387f91c377f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f3b3adaf5d8b22049d57824e88483cff73c5b258278429c18d67387f91c377f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f3b3adaf5d8b22049d57824e88483cff73c5b258278429c18d67387f91c377f", kill_on_drop: false }` [INFO] [stdout] 0f3b3adaf5d8b22049d57824e88483cff73c5b258278429c18d67387f91c377f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92f4f17c4ff7cb4c58eb12584fe797fcff64d546310eb03a68fc409be8aff0d0 [INFO] running `Command { std: "docker" "start" "-a" "92f4f17c4ff7cb4c58eb12584fe797fcff64d546310eb03a68fc409be8aff0d0", kill_on_drop: false }` [INFO] [stderr] Checking wcoi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: struct `TreeInner` is never constructed [INFO] [stdout] --> src/main.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub struct TreeInner { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [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 { [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 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [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] [stderr] error: could not compile `wcoi` (bin "wcoi") due to 1 previous error; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "92f4f17c4ff7cb4c58eb12584fe797fcff64d546310eb03a68fc409be8aff0d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92f4f17c4ff7cb4c58eb12584fe797fcff64d546310eb03a68fc409be8aff0d0", kill_on_drop: false }` [INFO] [stdout] 92f4f17c4ff7cb4c58eb12584fe797fcff64d546310eb03a68fc409be8aff0d0