[INFO] updating cached repository https://github.com/EtomicBomb/ethan_ws [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] 4a25d0d47fd98ebb868f6a560a7151af3a29047e [INFO] checking EtomicBomb/ethan_ws against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEtomicBomb%2Fethan_ws" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EtomicBomb/ethan_ws on toolchain d7b51666469c792a8a3f40849607739bae1e705e [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/EtomicBomb/ethan_ws [INFO] finished tweaking git repo https://github.com/EtomicBomb/ethan_ws [INFO] tweaked toml for git repo https://github.com/EtomicBomb/ethan_ws written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/EtomicBomb/ethan_ws already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 021c0976d36f5a9ff95522c829417d4912524d2190c1fce1162f926cb33ecd51 [INFO] running `"docker" "start" "-a" "021c0976d36f5a9ff95522c829417d4912524d2190c1fce1162f926cb33ecd51"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking ethan_ws v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io::ErrorKind` [INFO] [stderr] --> src/frame.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::ErrorKind; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::log` [INFO] [stderr] --> src/frame_stream.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::log; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::UnsafeCell` [INFO] [stderr] --> src/tcp_halves.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::UnsafeCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `IoSliceMut`, `IoSlice` [INFO] [stderr] --> src/tcp_halves.rs:4:34 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::{self, Read, Write, IoSliceMut, IoSlice}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> src/tcp_halves.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread_rng` [INFO] [stderr] --> src/filler.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | use rand::{thread_rng, Rng, random}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::seq::SliceRandom` [INFO] [stderr] --> src/filler.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use rand::seq::SliceRandom; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::seq::IteratorRandom` [INFO] [stderr] --> src/filler.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use rand::seq::IteratorRandom; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Display`, `Write`, `self` [INFO] [stderr] --> src/filler.rs:7:16 [INFO] [stderr] | [INFO] [stderr] 7 | use std::fmt::{self, Display, Write}; [INFO] [stderr] | ^^^^ ^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/filler.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use std::time::{Instant, Duration}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::ErrorKind` [INFO] [stderr] --> src/frame.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::ErrorKind; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::log` [INFO] [stderr] --> src/frame_stream.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::log; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::UnsafeCell` [INFO] [stderr] --> src/tcp_halves.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::UnsafeCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `IoSliceMut`, `IoSlice` [INFO] [stderr] --> src/tcp_halves.rs:4:34 [INFO] [stderr] | [INFO] [stderr] 4 | use std::io::{self, Read, Write, IoSliceMut, IoSlice}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> src/tcp_halves.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread_rng` [INFO] [stderr] --> src/filler.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | use rand::{thread_rng, Rng, random}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::seq::SliceRandom` [INFO] [stderr] --> src/filler.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use rand::seq::SliceRandom; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::seq::IteratorRandom` [INFO] [stderr] --> src/filler.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use rand::seq::IteratorRandom; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Display`, `Write`, `self` [INFO] [stderr] --> src/filler.rs:7:16 [INFO] [stderr] | [INFO] [stderr] 7 | use std::fmt::{self, Display, Write}; [INFO] [stderr] | ^^^^ ^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/filler.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use std::time::{Instant, Duration}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/filler.rs:48:18 [INFO] [stderr] | [INFO] [stderr] 48 | fn max_advantage(mut game_state: GameState, is_left: bool, is_our_turn: bool, depth_left: usize) -> isize { [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/filler.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | let mut reasonable = self.reasonable_colors(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `BLOCK_SIZE_PIXELS` [INFO] [stderr] --> src/filler.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const BLOCK_SIZE_PIXELS: usize = 10; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_over` [INFO] [stderr] --> src/filler.rs:207:5 [INFO] [stderr] | [INFO] [stderr] 207 | pub fn is_over(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `left_winning` [INFO] [stderr] --> src/filler.rs:215:5 [INFO] [stderr] | [INFO] [stderr] 215 | pub fn left_winning(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `rotate` [INFO] [stderr] --> src/filler.rs:382:5 [INFO] [stderr] | [INFO] [stderr] 382 | pub fn rotate(&self) -> Field { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/filler.rs:48:18 [INFO] [stderr] | [INFO] [stderr] 48 | fn max_advantage(mut game_state: GameState, is_left: bool, is_our_turn: bool, depth_left: usize) -> isize { [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/filler.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | let mut reasonable = self.reasonable_colors(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `BLOCK_SIZE_PIXELS` [INFO] [stderr] --> src/filler.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const BLOCK_SIZE_PIXELS: usize = 10; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_over` [INFO] [stderr] --> src/filler.rs:207:5 [INFO] [stderr] | [INFO] [stderr] 207 | pub fn is_over(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `left_winning` [INFO] [stderr] --> src/filler.rs:215:5 [INFO] [stderr] | [INFO] [stderr] 215 | pub fn left_winning(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `rotate` [INFO] [stderr] --> src/filler.rs:382:5 [INFO] [stderr] | [INFO] [stderr] 382 | pub fn rotate(&self) -> Field { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.35s [INFO] running `"docker" "inspect" "021c0976d36f5a9ff95522c829417d4912524d2190c1fce1162f926cb33ecd51"` [INFO] running `"docker" "rm" "-f" "021c0976d36f5a9ff95522c829417d4912524d2190c1fce1162f926cb33ecd51"` [INFO] [stdout] 021c0976d36f5a9ff95522c829417d4912524d2190c1fce1162f926cb33ecd51