[INFO] cloning repository https://github.com/NaughtyDogOfSchrodinger/data-struct [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NaughtyDogOfSchrodinger/data-struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaughtyDogOfSchrodinger%2Fdata-struct", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaughtyDogOfSchrodinger%2Fdata-struct'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 14b4a39ee0061ba437c12faf54ed8388ee7976f1 [INFO] checking NaughtyDogOfSchrodinger/data-struct/14b4a39ee0061ba437c12faf54ed8388ee7976f1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaughtyDogOfSchrodinger%2Fdata-struct" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NaughtyDogOfSchrodinger/data-struct on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NaughtyDogOfSchrodinger/data-struct [INFO] finished tweaking git repo https://github.com/NaughtyDogOfSchrodinger/data-struct [INFO] tweaked toml for git repo https://github.com/NaughtyDogOfSchrodinger/data-struct written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NaughtyDogOfSchrodinger/data-struct 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94834ccb8ed4c9d44a5125db074230978490d9f93e7f60b37f4c42f78a585efd [INFO] running `Command { std: "docker" "start" "-a" "94834ccb8ed4c9d44a5125db074230978490d9f93e7f60b37f4c42f78a585efd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94834ccb8ed4c9d44a5125db074230978490d9f93e7f60b37f4c42f78a585efd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94834ccb8ed4c9d44a5125db074230978490d9f93e7f60b37f4c42f78a585efd", kill_on_drop: false }` [INFO] [stdout] 94834ccb8ed4c9d44a5125db074230978490d9f93e7f60b37f4c42f78a585efd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06550ed051f18d0b1c10c5f19420c9d964b7e29a6886a99c85ec2def78523097 [INFO] running `Command { std: "docker" "start" "-a" "06550ed051f18d0b1c10c5f19420c9d964b7e29a6886a99c85ec2def78523097", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.11 [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 hello-world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread::panicking` [INFO] [stdout] --> src/binary_heap.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread::panicking; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::panicking` [INFO] [stdout] --> src/binary_heap.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread::panicking; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `lis` and `max_envelopes` [INFO] [stdout] --> src/lis.rs:99:22 [INFO] [stdout] | [INFO] [stdout] 99 | use crate::lis::{lis, max_envelopes, max_envelopes_1}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinaryHeap` is never constructed [INFO] [stdout] --> src/binary_heap.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct BinaryHeap { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `is_empty`, `move_up`, `push`, `move_down`, and `pop` are never used [INFO] [stdout] --> src/binary_heap.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl BinaryHeap { [INFO] [stdout] | ------------------------------------ associated items in this implementation [INFO] [stdout] 26 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn move_up(&mut self, mut index: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn push(&mut self, val: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn move_down(&mut self, mut index: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.22s [INFO] running `Command { std: "docker" "inspect" "06550ed051f18d0b1c10c5f19420c9d964b7e29a6886a99c85ec2def78523097", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06550ed051f18d0b1c10c5f19420c9d964b7e29a6886a99c85ec2def78523097", kill_on_drop: false }` [INFO] [stdout] 06550ed051f18d0b1c10c5f19420c9d964b7e29a6886a99c85ec2def78523097