[INFO] updating cached repository https://github.com/zhanlanlan/hello_rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4c249263b1b91bfb05ff22d3f7787b93b0a8bb97 [INFO] checking zhanlanlan/hello_rust against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhanlanlan%2Fhello_rust" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhanlanlan/hello_rust on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8 [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/zhanlanlan/hello_rust [INFO] finished tweaking git repo https://github.com/zhanlanlan/hello_rust [INFO] tweaked toml for git repo https://github.com/zhanlanlan/hello_rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/zhanlanlan/hello_rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6fda4ee4cad53dbbd1953bb9c01294403e849a89ed7a740781921bed6cbd72ec [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "6fda4ee4cad53dbbd1953bb9c01294403e849a89ed7a740781921bed6cbd72ec"` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling proc-macro-hack v0.5.14 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking typed-arena v1.6.1 [INFO] [stderr] Checking bytestring v0.1.4 [INFO] [stderr] Compiling backtrace-sys v0.1.34 [INFO] [stderr] Checking rustc-hash v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking getrandom v0.1.12 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking brotli-sys v0.3.2 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking toolshed v0.8.1 [INFO] [stderr] Checking resolv-conf v0.6.3 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.17 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking backtrace v0.3.45 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking rayon-core v1.6.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking hyper v0.12.35 [INFO] [stderr] Checking regex v1.3.5 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.17 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.1 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling derive_more v0.99.3 [INFO] [stderr] Compiling actix-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling async-trait v0.1.26 [INFO] [stderr] Compiling enum-as-inner v0.3.2 [INFO] [stderr] Compiling actix-web-codegen v0.2.1 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking tokio v0.2.6 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking actix-service v1.0.5 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking trust-dns-proto v0.18.0-alpha.2 [INFO] [stderr] Checking actix-threadpool v0.3.1 [INFO] [stderr] Checking actix-codec v0.2.0 [INFO] [stderr] Checking h2 v0.2.2 [INFO] [stderr] Checking actix-rt v1.0.0 [INFO] [stderr] Checking actix-utils v1.0.6 [INFO] [stderr] Checking actix-server v1.0.2 [INFO] [stderr] Checking actix-tls v1.0.0 [INFO] [stderr] Checking serde v1.0.105 [INFO] [stderr] Checking trust-dns-resolver v0.18.0-alpha.2 [INFO] [stderr] Checking actix-testing v1.0.0 [INFO] [stderr] Checking actix-connect v1.0.2 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking actix-router v0.2.4 [INFO] [stderr] Checking actix-http v1.0.1 [INFO] [stderr] Checking awc v1.0.1 [INFO] [stderr] Checking actix-web v2.0.0 [INFO] [stderr] Checking hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `rand::RngCore` [INFO] [stderr] --> src/lib/search_tree.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::RngCore; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Eq`, `Ord` [INFO] [stderr] --> src/lib/search_tree.rs:8:16 [INFO] [stderr] | [INFO] [stderr] 8 | use std::cmp::{Eq, Ord, PartialEq, PartialOrd}; [INFO] [stderr] | ^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/lib/search_tree.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/lib/sorts.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `chrono::prelude::*` [INFO] [stderr] --> src/lib/syncer.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use chrono::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> src/lib/syncer.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::RngCore` [INFO] [stderr] --> src/lib/search_tree.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::RngCore; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Eq`, `Ord` [INFO] [stderr] --> src/lib/search_tree.rs:8:16 [INFO] [stderr] | [INFO] [stderr] 8 | use std::cmp::{Eq, Ord, PartialEq, PartialOrd}; [INFO] [stderr] | ^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/lib/search_tree.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `chrono::prelude::*` [INFO] [stderr] --> src/lib/syncer.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use chrono::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> src/lib/syncer.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `word` [INFO] [stderr] --> src/lib/search_tree.rs:85:25 [INFO] [stderr] | [INFO] [stderr] 85 | fn delete(mut self, word: T) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/search_tree.rs:85:15 [INFO] [stderr] | [INFO] [stderr] 85 | fn delete(mut self, word: T) -> bool { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/sorts.rs:27:15 [INFO] [stderr] | [INFO] [stderr] 27 | fn quick_sort(mut nums: Vec) -> Vec { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Tree` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct Tree<'a> { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `item_check` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn item_check(tree: &Tree) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bottom_up_tree` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:19:4 [INFO] [stderr] | [INFO] [stderr] 19 | fn bottom_up_tree<'r>(arena: &'r Arena>, depth: i32) -> &'r Tree<'r> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `inner` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:29:4 [INFO] [stderr] | [INFO] [stderr] 29 | fn inner(depth: i32, iterations: i32) -> String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/lib/sorts.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bubble_sort` [INFO] [stderr] --> src/lib/sorts.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn bubble_sort(mut nums: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `insert_sort` [INFO] [stderr] --> src/lib/sorts.rs:16:4 [INFO] [stderr] | [INFO] [stderr] 16 | fn insert_sort(mut nums: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `quick_sort` [INFO] [stderr] --> src/lib/sorts.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn quick_sort(mut nums: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/lib/syncer.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `match_enent` [INFO] [stderr] --> src/lib/syncer.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn match_enent(event: DebouncedEvent) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `word` [INFO] [stderr] --> src/lib/search_tree.rs:85:25 [INFO] [stderr] | [INFO] [stderr] 85 | fn delete(mut self, word: T) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/search_tree.rs:85:15 [INFO] [stderr] | [INFO] [stderr] 85 | fn delete(mut self, word: T) -> bool { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/sorts.rs:27:15 [INFO] [stderr] | [INFO] [stderr] 27 | fn quick_sort(mut nums: Vec) -> Vec { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Tree` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct Tree<'a> { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `item_check` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn item_check(tree: &Tree) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bottom_up_tree` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:19:4 [INFO] [stderr] | [INFO] [stderr] 19 | fn bottom_up_tree<'r>(arena: &'r Arena>, depth: i32) -> &'r Tree<'r> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `inner` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:29:4 [INFO] [stderr] | [INFO] [stderr] 29 | fn inner(depth: i32, iterations: i32) -> String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/lib/binary_tree_rust.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/lib/sorts.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/lib/syncer.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `match_enent` [INFO] [stderr] --> src/lib/syncer.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn match_enent(event: DebouncedEvent) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 11s [INFO] running `"docker" "inspect" "6fda4ee4cad53dbbd1953bb9c01294403e849a89ed7a740781921bed6cbd72ec"` [INFO] running `"docker" "rm" "-f" "6fda4ee4cad53dbbd1953bb9c01294403e849a89ed7a740781921bed6cbd72ec"` [INFO] [stdout] 6fda4ee4cad53dbbd1953bb9c01294403e849a89ed7a740781921bed6cbd72ec