[INFO] updating cached repository https://github.com/YoungForest/leetcode-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] 8ef691317d55339748679b24ed602cd15ddbc4f1 [INFO] testing YoungForest/leetcode-rust against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoungForest%2Fleetcode-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/YoungForest/leetcode-rust on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/YoungForest/leetcode-rust [INFO] finished tweaking git repo https://github.com/YoungForest/leetcode-rust [INFO] tweaked toml for git repo https://github.com/YoungForest/leetcode-rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/YoungForest/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 64a18105895b146fc4c73b8def9c54dec433104694a8915e2a2c67652a57985b [INFO] running `"docker" "start" "-a" "64a18105895b146fc4c73b8def9c54dec433104694a8915e2a2c67652a57985b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `ans` is never read [INFO] [stderr] --> src/problems/problem1180.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut ans = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problems/problem1219.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | mut path: &mut HashSet<(i32, i32)>, [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/problems/problem1219.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | let mut n; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/problems/problem1143.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `longest_common_subsequence` [INFO] [stderr] --> src/problems/problem1143.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn longest_common_subsequence(text1: String, text2: String) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/problems/problem1143.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/problems/problem1219.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `backtracking` [INFO] [stderr] --> src/problems/problem1219.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | fn backtracking( [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_maximum_gold` [INFO] [stderr] --> src/problems/problem1219.rs:38:12 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn get_maximum_gold(grid: Vec>) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/problems/problem1219.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/problems/problem1223.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated constant is never used: `MOD_NUMBER` [INFO] [stderr] --> src/problems/problem1223.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | const MOD_NUMBER: i32 = 1000000007; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `answer` [INFO] [stderr] --> src/problems/problem1223.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn answer( [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `die_simulator` [INFO] [stderr] --> src/problems/problem1223.rs:42:12 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn die_simulator(n: i32, roll_max: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/problems/problem1223.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "64a18105895b146fc4c73b8def9c54dec433104694a8915e2a2c67652a57985b"` [INFO] running `"docker" "rm" "-f" "64a18105895b146fc4c73b8def9c54dec433104694a8915e2a2c67652a57985b"` [INFO] [stdout] 64a18105895b146fc4c73b8def9c54dec433104694a8915e2a2c67652a57985b [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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 61d4e4ca400f3b15d901d409d926fe2a2b49cf77c74eb709f0271ecd1e318341 [INFO] running `"docker" "start" "-a" "61d4e4ca400f3b15d901d409d926fe2a2b49cf77c74eb709f0271ecd1e318341"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `ans` is never read [INFO] [stderr] --> src/problems/problem1180.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut ans = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problems/problem1219.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | mut path: &mut HashSet<(i32, i32)>, [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/problems/problem1219.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | let mut n; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/problems/problem1143.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `longest_common_subsequence` [INFO] [stderr] --> src/problems/problem1143.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn longest_common_subsequence(text1: String, text2: String) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/problems/problem1143.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/problems/problem1219.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `backtracking` [INFO] [stderr] --> src/problems/problem1219.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | fn backtracking( [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_maximum_gold` [INFO] [stderr] --> src/problems/problem1219.rs:38:12 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn get_maximum_gold(grid: Vec>) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/problems/problem1219.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/problems/problem1223.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated constant is never used: `MOD_NUMBER` [INFO] [stderr] --> src/problems/problem1223.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | const MOD_NUMBER: i32 = 1000000007; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `answer` [INFO] [stderr] --> src/problems/problem1223.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn answer( [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `die_simulator` [INFO] [stderr] --> src/problems/problem1223.rs:42:12 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn die_simulator(n: i32, roll_max: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/problems/problem1223.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `"docker" "inspect" "61d4e4ca400f3b15d901d409d926fe2a2b49cf77c74eb709f0271ecd1e318341"` [INFO] running `"docker" "rm" "-f" "61d4e4ca400f3b15d901d409d926fe2a2b49cf77c74eb709f0271ecd1e318341"` [INFO] [stdout] 61d4e4ca400f3b15d901d409d926fe2a2b49cf77c74eb709f0271ecd1e318341 [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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 439070e901dfd67d8c844aba10c577294d258c39f4ba67e6abaa69cdfaefb6c4 [INFO] running `"docker" "start" "-a" "439070e901dfd67d8c844aba10c577294d258c39f4ba67e6abaa69cdfaefb6c4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: value assigned to `ans` is never read [INFO] [stderr] --> src/problems/problem1180.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let mut ans = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/problems/problem1219.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | mut path: &mut HashSet<(i32, i32)>, [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/problems/problem1219.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | let mut n; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/problems/problem1143.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `longest_common_subsequence` [INFO] [stderr] --> src/problems/problem1143.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn longest_common_subsequence(text1: String, text2: String) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/problems/problem1143.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/problems/problem1219.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `backtracking` [INFO] [stderr] --> src/problems/problem1219.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | fn backtracking( [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_maximum_gold` [INFO] [stderr] --> src/problems/problem1219.rs:38:12 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn get_maximum_gold(grid: Vec>) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/problems/problem1219.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/problems/problem1223.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated constant is never used: `MOD_NUMBER` [INFO] [stderr] --> src/problems/problem1223.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | const MOD_NUMBER: i32 = 1000000007; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `answer` [INFO] [stderr] --> src/problems/problem1223.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn answer( [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `die_simulator` [INFO] [stderr] --> src/problems/problem1223.rs:42:12 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn die_simulator(n: i32, roll_max: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main` [INFO] [stderr] --> src/problems/problem1223.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn main() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/leetcode-20dd3951cdf47815 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "439070e901dfd67d8c844aba10c577294d258c39f4ba67e6abaa69cdfaefb6c4"` [INFO] running `"docker" "rm" "-f" "439070e901dfd67d8c844aba10c577294d258c39f4ba67e6abaa69cdfaefb6c4"` [INFO] [stdout] 439070e901dfd67d8c844aba10c577294d258c39f4ba67e6abaa69cdfaefb6c4