[INFO] updating cached repository https://github.com/whalecold/leetcode [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] [stderr] From https://github.com/whalecold/leetcode [INFO] [stderr] 6893595..3f9e99b master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3f9e99b0cb37996700f6673ce99448748f1704ce [INFO] checking whalecold/leetcode against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhalecold%2Fleetcode" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/whalecold/leetcode on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/whalecold/leetcode [INFO] finished tweaking git repo https://github.com/whalecold/leetcode [INFO] tweaked toml for git repo https://github.com/whalecold/leetcode written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/whalecold/leetcode already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /workspace/builds/worker-8/source/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] warning: path `/workspace/builds/worker-8/source/src/main.rs` was erroneously implicitly accepted for binary `leetcode`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] c1f39880a1f575de77965cf659ce005e13e859ae68f9a1972b48d1d00deadf60 [INFO] running `"docker" "start" "-a" "c1f39880a1f575de77965cf659ce005e13e859ae68f9a1972b48d1d00deadf60"` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] warning: path `/opt/rustwide/workdir/src/main.rs` was erroneously implicitly accepted for binary `leetcode`, [INFO] [stderr] please set bin.path in Cargo.toml [INFO] [stderr] Checking indexmap v1.2.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling openssl-sys v0.9.49 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking miniz_oxide v0.3.2 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking encoding_rs v0.8.20 [INFO] [stderr] Checking filetime v0.2.7 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking serde v1.0.101 [INFO] [stderr] Checking console v0.9.0 [INFO] [stderr] Checking console v0.6.2 [INFO] [stderr] Checking notify v4.0.13 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.18 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking flate2 v1.0.11 [INFO] [stderr] Compiling openssl v0.10.24 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking backtrace v0.3.37 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking indicatif v0.9.0 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking publicsuffix v1.5.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking hyper v0.12.35 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.20 [INFO] [stderr] Checking leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/exercises/n0118_pascals_triangle.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Solution` [INFO] [stderr] --> src/exercises/n0026_remove_duplicates_from_sorted_array.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | use super::Solution; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Solution` [INFO] [stderr] --> src/exercises/n0031_next_permutation.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | use super::Solution; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/exercises/n0118_pascals_triangle.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `jump1` [INFO] [stderr] --> src/exercises/n0045_jump_game_ii.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | pub fn jump1(nums: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `spiral_order` [INFO] [stderr] --> src/exercises/n0054_spiral_matrix.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn spiral_order(matrix: Vec>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `majority_element_ii` [INFO] [stderr] --> src/exercises/n0229_majority_element_ii.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn majority_element_ii(nums: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `element_nums` [INFO] [stderr] --> src/exercises/n0229_majority_element_ii.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fn element_nums(nums: &Vec, ele: &i32) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `product_except_self1` [INFO] [stderr] --> src/exercises/n0238_product_of_array_except_self.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn product_except_self1(nums: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused comparison that must be used [INFO] [stderr] --> src/exercises/n0169_majority_element.rs:37:17 [INFO] [stderr] | [INFO] [stderr] 37 | count == 1; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused comparison that must be used [INFO] [stderr] --> src/exercises/n0169_majority_element.rs:37:17 [INFO] [stderr] | [INFO] [stderr] 37 | count == 1; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.75s [INFO] running `"docker" "inspect" "c1f39880a1f575de77965cf659ce005e13e859ae68f9a1972b48d1d00deadf60"` [INFO] running `"docker" "rm" "-f" "c1f39880a1f575de77965cf659ce005e13e859ae68f9a1972b48d1d00deadf60"` [INFO] [stdout] c1f39880a1f575de77965cf659ce005e13e859ae68f9a1972b48d1d00deadf60