[INFO] cloning repository https://github.com/takus69/abc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takus69/abc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fabc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fabc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ee384f503cf777bb1c71ca4f22e297bdce44c00
[INFO] checking takus69/abc against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fabc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/takus69/abc
[INFO] finished tweaking git repo https://github.com/takus69/abc
[INFO] tweaked toml for git repo https://github.com/takus69/abc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/takus69/abc on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/takus69/abc 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e91864ace1b4595787986e818eb3f6626cb8d0a7a24f86850e60f94d170074
[INFO] running `Command { std: "docker" "start" "-a" "a7e91864ace1b4595787986e818eb3f6626cb8d0a7a24f86850e60f94d170074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e91864ace1b4595787986e818eb3f6626cb8d0a7a24f86850e60f94d170074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e91864ace1b4595787986e818eb3f6626cb8d0a7a24f86850e60f94d170074", kill_on_drop: false }`
[INFO] [stdout] a7e91864ace1b4595787986e818eb3f6626cb8d0a7a24f86850e60f94d170074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d97e291f052337cc666556be0444a3ee8deb1c522681b2699253af14f84f5bf
[INFO] running `Command { std: "docker" "start" "-a" "1d97e291f052337cc666556be0444a3ee8deb1c522681b2699253af14f84f5bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking ac-library-rs v0.1.1
[INFO] [stderr]     Checking proconio v0.4.5
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking abc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `SegmentTree` is never constructed
[INFO] [stdout]    --> src/lib.rs:278:12
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub struct SegmentTree<M: Monoid> {
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size` and `data` are never read
[INFO] [stdout]    --> src/lib.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub struct SegmentTree<M: Monoid> {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 279 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 280 |     data: Vec<M::T>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update`, and `query` are never used
[INFO] [stdout]    --> src/lib.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | impl<M: Monoid> SegmentTree<M> {
[INFO] [stdout]     | ------------------------------ associated items in this implementation
[INFO] [stdout] 285 |     fn new(n: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 294 |     fn update(&mut self, i: usize, x: M::T) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     fn query(&self, l: usize, r: usize) -> M::T {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `abc` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1d97e291f052337cc666556be0444a3ee8deb1c522681b2699253af14f84f5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d97e291f052337cc666556be0444a3ee8deb1c522681b2699253af14f84f5bf", kill_on_drop: false }`
[INFO] [stdout] 1d97e291f052337cc666556be0444a3ee8deb1c522681b2699253af14f84f5bf
