[INFO] cloning repository https://github.com/care0717/lsm_engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/care0717/lsm_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcare0717%2Flsm_engine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcare0717%2Flsm_engine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e28b201dee6771d91ed904442b8f69fbba7bdc03 [INFO] checking care0717/lsm_engine/e28b201dee6771d91ed904442b8f69fbba7bdc03 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcare0717%2Flsm_engine" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/care0717/lsm_engine 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/care0717/lsm_engine [INFO] finished tweaking git repo https://github.com/care0717/lsm_engine [INFO] tweaked toml for git repo https://github.com/care0717/lsm_engine written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/care0717/lsm_engine 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2069e3f05050bf44bb9a8a238991778486f61567b8545d0acf8bab9f0bed8b67 [INFO] running `Command { std: "docker" "start" "-a" "2069e3f05050bf44bb9a8a238991778486f61567b8545d0acf8bab9f0bed8b67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2069e3f05050bf44bb9a8a238991778486f61567b8545d0acf8bab9f0bed8b67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2069e3f05050bf44bb9a8a238991778486f61567b8545d0acf8bab9f0bed8b67", kill_on_drop: false }` [INFO] [stdout] 2069e3f05050bf44bb9a8a238991778486f61567b8545d0acf8bab9f0bed8b67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e3d49f6efb01808fc50ba7148ad832bf4181d6acdcbd7c954a39e4539223ffc0 [INFO] running `Command { std: "docker" "start" "-a" "e3d49f6efb01808fc50ba7148ad832bf4181d6acdcbd7c954a39e4539223ffc0", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling anyhow v1.0.41 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking lsm_engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::memtable::Memtable` [INFO] [stdout] --> src/avl.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | use crate::memtable::Memtable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/avl.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl AvlTreeMap { [INFO] [stdout] | --------------------------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn delete(&mut self, key: &K) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `delete`, `delete_root`, `combine`, and `delete_max` are never used [INFO] [stdout] --> src/avl/tree.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl AvlNode { [INFO] [stdout] | -------------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn delete(mut self, key: &K) -> AvlTree { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn delete_root(self) -> AvlTree { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn combine(self, left: Box>) -> AvlNode { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | fn delete_max(mut self) -> (AvlTree, K, V) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `print` and `print_tree` are never used [INFO] [stdout] --> src/avl/tree.rs:156:8 [INFO] [stdout] | [INFO] [stdout] 155 | impl AvlNode { [INFO] [stdout] | ------------------------------------------------------ methods in this implementation [INFO] [stdout] 156 | fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 159 | fn print_tree(&self, depth: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete` is never used [INFO] [stdout] --> src/avl.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl AvlTreeMap { [INFO] [stdout] | --------------------------------------------------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn delete(&mut self, key: &K) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `print` and `print_tree` are never used [INFO] [stdout] --> src/avl/tree.rs:156:8 [INFO] [stdout] | [INFO] [stdout] 155 | impl AvlNode { [INFO] [stdout] | ------------------------------------------------------ methods in this implementation [INFO] [stdout] 156 | fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 159 | fn print_tree(&self, depth: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search` is never used [INFO] [stdout] --> src/avl/tree.rs:370:8 [INFO] [stdout] | [INFO] [stdout] 370 | fn search() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.66s [INFO] running `Command { std: "docker" "inspect" "e3d49f6efb01808fc50ba7148ad832bf4181d6acdcbd7c954a39e4539223ffc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3d49f6efb01808fc50ba7148ad832bf4181d6acdcbd7c954a39e4539223ffc0", kill_on_drop: false }` [INFO] [stdout] e3d49f6efb01808fc50ba7148ad832bf4181d6acdcbd7c954a39e4539223ffc0