[INFO] updating cached repository https://github.com/ityy/rust_leet_code [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] 800474f48127d0f3af67311c6cbb77ff76bcd076 [INFO] testing ityy/rust_leet_code against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_leet_code" "/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/ityy/rust_leet_code 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/ityy/rust_leet_code [INFO] finished tweaking git repo https://github.com/ityy/rust_leet_code [INFO] tweaked toml for git repo https://github.com/ityy/rust_leet_code written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/ityy/rust_leet_code 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] ea14f387f45c7a5466f2a2e42346d0fda6197ba9e08e564f6db75127de2ab52b [INFO] running `"docker" "start" "-a" "ea14f387f45c7a5466f2a2e42346d0fda6197ba9e08e564f6db75127de2ab52b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rust_leet_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:28:19 [INFO] [stderr] | [INFO] [stderr] 28 | l1_num += (l.val as u128 * a); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:34:19 [INFO] [stderr] | [INFO] [stderr] 34 | l2_num += (l.val as u128 * a); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut result = ListNode::new(num as 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: function is never used: `two_sum` [INFO] [stderr] --> src/sn1_1_100/t1_two_sum.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `two_sum2` [INFO] [stderr] --> src/sn1_1_100/t1_two_sum.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn two_sum2(nums: Vec, target: i32) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | fn new(val: i32) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_two_numbers1` [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn add_two_numbers1(l1: Option>, l2: Option>) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_two_numbers` [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:72:8 [INFO] [stderr] | [INFO] [stderr] 72 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `"docker" "inspect" "ea14f387f45c7a5466f2a2e42346d0fda6197ba9e08e564f6db75127de2ab52b"` [INFO] running `"docker" "rm" "-f" "ea14f387f45c7a5466f2a2e42346d0fda6197ba9e08e564f6db75127de2ab52b"` [INFO] [stdout] ea14f387f45c7a5466f2a2e42346d0fda6197ba9e08e564f6db75127de2ab52b [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] d379d34d3c3cf25d6594006608896537ed3d3b94dc5720f80a47f47f62767b01 [INFO] running `"docker" "start" "-a" "d379d34d3c3cf25d6594006608896537ed3d3b94dc5720f80a47f47f62767b01"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_leet_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:28:19 [INFO] [stderr] | [INFO] [stderr] 28 | l1_num += (l.val as u128 * a); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:34:19 [INFO] [stderr] | [INFO] [stderr] 34 | l2_num += (l.val as u128 * a); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut result = ListNode::new(num as 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: function is never used: `two_sum` [INFO] [stderr] --> src/sn1_1_100/t1_two_sum.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `two_sum2` [INFO] [stderr] --> src/sn1_1_100/t1_two_sum.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn two_sum2(nums: Vec, target: i32) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `"docker" "inspect" "d379d34d3c3cf25d6594006608896537ed3d3b94dc5720f80a47f47f62767b01"` [INFO] running `"docker" "rm" "-f" "d379d34d3c3cf25d6594006608896537ed3d3b94dc5720f80a47f47f62767b01"` [INFO] [stdout] d379d34d3c3cf25d6594006608896537ed3d3b94dc5720f80a47f47f62767b01 [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] 7efefd76a7269c128c8f366709eb649a8cce25e6e34baa932aa7210fcb963704 [INFO] running `"docker" "start" "-a" "7efefd76a7269c128c8f366709eb649a8cce25e6e34baa932aa7210fcb963704"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:28:19 [INFO] [stderr] | [INFO] [stderr] 28 | l1_num += (l.val as u128 * a); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:34:19 [INFO] [stderr] | [INFO] [stderr] 34 | l2_num += (l.val as u128 * a); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sn1_1_100/t2_add_two_numbers.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut result = ListNode::new(num as 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: function is never used: `two_sum` [INFO] [stderr] --> src/sn1_1_100/t1_two_sum.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `two_sum2` [INFO] [stderr] --> src/sn1_1_100/t1_two_sum.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn two_sum2(nums: Vec, target: i32) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_leet_code-8a342ab6c93c7cb4 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test sn1_1_100::t2_add_two_numbers::test1 ... ok [INFO] [stdout] test sn1_1_100::t2_add_two_numbers::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "7efefd76a7269c128c8f366709eb649a8cce25e6e34baa932aa7210fcb963704"` [INFO] running `"docker" "rm" "-f" "7efefd76a7269c128c8f366709eb649a8cce25e6e34baa932aa7210fcb963704"` [INFO] [stdout] 7efefd76a7269c128c8f366709eb649a8cce25e6e34baa932aa7210fcb963704