[INFO] cloning repository euclidr/leetcode [INFO] running `"git" "clone" "--bare" "git://github.com/euclidr/leetcode.git" "work/cache/sources/gh/euclidr/leetcode"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/euclidr/leetcode'... [INFO] running `"git" "clone" "work/cache/sources/gh/euclidr/leetcode" "work/ex/beta-1.37-6/sources/1.36.0/gh/euclidr/leetcode"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/euclidr/leetcode'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/euclidr/leetcode" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/euclidr/leetcode"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/euclidr/leetcode'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d0fd94dcead5f085970644d07296a5b8c8a093b4 [INFO] sha for GitHub repo euclidr/leetcode: d0fd94dcead5f085970644d07296a5b8c8a093b4 [INFO] validating manifest of euclidr/leetcode on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of euclidr/leetcode on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing euclidr/leetcode [INFO] finished frobbing euclidr/leetcode [INFO] frobbed toml for euclidr/leetcode written to work/ex/beta-1.37-6/sources/1.36.0/gh/euclidr/leetcode/Cargo.toml [INFO] started frobbing euclidr/leetcode [INFO] finished frobbing euclidr/leetcode [INFO] frobbed toml for euclidr/leetcode written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/euclidr/leetcode/Cargo.toml [INFO] crate euclidr/leetcode already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing euclidr/leetcode against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/euclidr/leetcode:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 60a925c461e517bbbe836be0ef210cd91bb259750efe82cc61b64be8a2493a05 [INFO] running `"docker" "start" "-a" "60a925c461e517bbbe836be0ef210cd91bb259750efe82cc61b64be8a2493a05"` [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Compiling getrandom v0.1.6 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.99s [INFO] running `"docker" "inspect" "60a925c461e517bbbe836be0ef210cd91bb259750efe82cc61b64be8a2493a05"` [INFO] running `"docker" "rm" "-f" "60a925c461e517bbbe836be0ef210cd91bb259750efe82cc61b64be8a2493a05"` [INFO] [stdout] 60a925c461e517bbbe836be0ef210cd91bb259750efe82cc61b64be8a2493a05 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/euclidr/leetcode:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] fee5d2afbf3b8d432cbed014038f9f5c8cf65604d901c124d111320d8f46cbc9 [INFO] running `"docker" "start" "-a" "fee5d2afbf3b8d432cbed014038f9f5c8cf65604d901c124d111320d8f46cbc9"` [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> examples/p437.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | struct Solution; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `path_sum` [INFO] [stderr] --> examples/p437.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn path_sum(root: Option>>, sum: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> examples/p710.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | unreachable!() [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable `N` should have a snake case name [INFO] [stderr] --> examples/p710.rs:17:12 [INFO] [stderr] | [INFO] [stderr] 17 | fn new(N: i32, mut blacklist: Vec) -> Self { [INFO] [stderr] | ^ help: convert the identifier to snake case: `n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.28s [INFO] running `"docker" "inspect" "fee5d2afbf3b8d432cbed014038f9f5c8cf65604d901c124d111320d8f46cbc9"` [INFO] running `"docker" "rm" "-f" "fee5d2afbf3b8d432cbed014038f9f5c8cf65604d901c124d111320d8f46cbc9"` [INFO] [stdout] fee5d2afbf3b8d432cbed014038f9f5c8cf65604d901c124d111320d8f46cbc9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/euclidr/leetcode:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] cdb3f44d258a98280761f15adb788913f13e842764687225fae0f74718ccd044 [INFO] running `"docker" "start" "-a" "cdb3f44d258a98280761f15adb788913f13e842764687225fae0f74718ccd044"` [INFO] [stderr] warning: unused manifest key: examples [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/leetcode-cc011979994f56db [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" "cdb3f44d258a98280761f15adb788913f13e842764687225fae0f74718ccd044"` [INFO] running `"docker" "rm" "-f" "cdb3f44d258a98280761f15adb788913f13e842764687225fae0f74718ccd044"` [INFO] [stdout] cdb3f44d258a98280761f15adb788913f13e842764687225fae0f74718ccd044