[INFO] cloning repository https://github.com/LmonZero/algorithm-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LmonZero/algorithm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLmonZero%2Falgorithm-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLmonZero%2Falgorithm-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 762a3ffc21bb30244b600cff3784349aae34b9b2 [INFO] checking LmonZero/algorithm-rust against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLmonZero%2Falgorithm-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/LmonZero/algorithm-rust [INFO] finished tweaking git repo https://github.com/LmonZero/algorithm-rust [INFO] tweaked toml for git repo https://github.com/LmonZero/algorithm-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/LmonZero/algorithm-rust 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/LmonZero/algorithm-rust 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a1acecfbf66f3496be9a2e697dfc609e808e7ae4c8ca593e8d2e915df2135c1b [INFO] running `Command { std: "docker" "start" "-a" "a1acecfbf66f3496be9a2e697dfc609e808e7ae4c8ca593e8d2e915df2135c1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1acecfbf66f3496be9a2e697dfc609e808e7ae4c8ca593e8d2e915df2135c1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1acecfbf66f3496be9a2e697dfc609e808e7ae4c8ca593e8d2e915df2135c1b", kill_on_drop: false }` [INFO] [stdout] a1acecfbf66f3496be9a2e697dfc609e808e7ae4c8ca593e8d2e915df2135c1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 556a026db32726099bd9b81ab1147cede77b08b3c19b306f7ef0be40c6aa8fc3 [INFO] running `Command { std: "docker" "start" "-a" "556a026db32726099bd9b81ab1147cede77b08b3c19b306f7ef0be40c6aa8fc3", kill_on_drop: false }` [INFO] [stderr] Checking algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::MinStack` [INFO] [stdout] --> src/util/min_stack.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | use super::MinStack; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `MinStack` is never constructed [INFO] [stdout] --> src/util/min_stack.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct MinStack { [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: fields `min_stack` and `stack` are never read [INFO] [stdout] --> src/util/min_stack.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct MinStack { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 9 | min_stack: Vec, //保持栈顶最小 [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 10 | stack: Vec, //正常进栈出栈 [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`, `push`, `pop`, `top`, and `get_min` are never used [INFO] [stdout] --> src/util/min_stack.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl MinStack { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 13 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn push(&mut self, num: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn pop(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | fn top(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn get_min(&self) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `algorithm` (lib) due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "556a026db32726099bd9b81ab1147cede77b08b3c19b306f7ef0be40c6aa8fc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "556a026db32726099bd9b81ab1147cede77b08b3c19b306f7ef0be40c6aa8fc3", kill_on_drop: false }` [INFO] [stdout] 556a026db32726099bd9b81ab1147cede77b08b3c19b306f7ef0be40c6aa8fc3