[INFO] cloning repository https://github.com/GandhiNN/rust-leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GandhiNN/rust-leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGandhiNN%2Frust-leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGandhiNN%2Frust-leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7eacaec48a94a45a1f46ed6a7e6f8b866118d3e
[INFO] checking GandhiNN/rust-leetcode against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGandhiNN%2Frust-leetcode" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GandhiNN/rust-leetcode
[INFO] finished tweaking git repo https://github.com/GandhiNN/rust-leetcode
[INFO] tweaked toml for git repo https://github.com/GandhiNN/rust-leetcode written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GandhiNN/rust-leetcode on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GandhiNN/rust-leetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8eb35afd6b09aaef4e5f61913a0927d1b7e66f86a958dbdb22f3c83382210ad
[INFO] running `Command { std: "docker" "start" "-a" "e8eb35afd6b09aaef4e5f61913a0927d1b7e66f86a958dbdb22f3c83382210ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8eb35afd6b09aaef4e5f61913a0927d1b7e66f86a958dbdb22f3c83382210ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8eb35afd6b09aaef4e5f61913a0927d1b7e66f86a958dbdb22f3c83382210ad", kill_on_drop: false }`
[INFO] [stdout] e8eb35afd6b09aaef4e5f61913a0927d1b7e66f86a958dbdb22f3c83382210ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd4af1808f28fcedb78656eae8b2281ea562a93cc43c2a7ef0e91d3e74e24045
[INFO] running `Command { std: "docker" "start" "-a" "fd4af1808f28fcedb78656eae8b2281ea562a93cc43c2a7ef0e91d3e74e24045", kill_on_drop: false }`
[INFO] [stderr]     Checking count_vowels v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/count_vowels)
[INFO] [stderr]     Checking max_diff v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/max_diff)
[INFO] [stderr]     Checking find_balance_point v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/find_balance_point)
[INFO] [stderr]     Checking print_starry_pyramid v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/print_starry_pyramid)
[INFO] [stderr]     Checking contains_duplicate v0.1.0 (/opt/rustwide/workdir/problem_set/leetcode/easy/contains_duplicate)
[INFO] [stderr]     Checking find_item_index v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/find_item_index)
[INFO] [stderr]     Checking log_base_2 v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/log_base_2)
[INFO] [stderr]     Checking sum_opposite_pairs v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/sum_opposite_pairs)
[INFO] [stderr]     Checking second_tallest_bonsai v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/second_tallest_bonsai)
[INFO] [stderr]     Checking sum_divisible_by_three_or_five v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/sum_divisible_by_three_or_five)
[INFO] [stderr]     Checking print_apprentice_steps v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/print_apprentice_steps)
[INFO] [stderr]     Checking print_multiplication_table v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/print_multiplication_table)
[INFO] [stderr]     Checking reverse_array v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/reverse_array)
[INFO] [stderr]     Checking matrix_sum v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/matrix_sum)
[INFO] [stderr]     Checking is_prime v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/is_prime)
[INFO] [stderr]     Checking meditation_sequence v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/meditation_sequence)
[INFO] [stderr]     Checking print_descending_steps v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/print_descending_steps)
[INFO] [stderr]     Checking roman_to_int v0.1.0 (/opt/rustwide/workdir/problem_set/leetcode/easy/roman_to_int)
[INFO] [stderr]     Checking longest_chant v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/longest_chant)
[INFO] [stderr]     Checking lucky_charms_product v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/lucky_charms_product)
[INFO] [stderr]     Checking reverse_number v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/reverse_number)
[INFO] [stderr]     Checking count_factors v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/count_factors)
[INFO] [stderr]     Checking max_profit v0.1.0 (/opt/rustwide/workdir/problem_set/leetcode/easy/max_profit)
[INFO] [stderr]     Checking check_and_balance v0.1.0 (/opt/rustwide/workdir/problem_set/leetcode/easy/check_and_balance)
[INFO] [stderr]     Checking count_digits v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/count_digits)
[INFO] [stderr]     Checking search_name v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/search_name)
[INFO] [stderr]     Checking longest_common_prefix v0.1.0 (/opt/rustwide/workdir/problem_set/leetcode/easy/longest_common_prefix)
[INFO] [stderr]     Checking min_max_product v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/min_max_product)
[INFO] [stderr]     Checking nth_fibonacci v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/nth_fibonacci)
[INFO] [stderr]     Checking is_prime_v2 v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/is_prime_v2)
[INFO] [stderr]     Checking search_item v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/search_item)
[INFO] [stderr]     Checking mountain_path v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/mountain_path)
[INFO] [stderr]     Checking calculate_power v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/calculate_power)
[INFO] [stderr]     Checking min_index v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/min_index)
[INFO] [stderr]     Checking unique_ranks_in_order v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/unique_ranks_in_order)
[INFO] [stderr]     Checking print_number_triangle v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/print_number_triangle)
[INFO] [stderr]     Checking stone_energy_difference v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/stone_energy_difference)
[INFO] [stderr]     Checking meal_combinations v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/meal_combinations)
[INFO] [stderr]     Checking print_hollow_box v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/print_hollow_box)
[INFO] [stderr]     Checking check_ingredients v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/check_ingredients)
[INFO] [stderr]     Checking count_rice v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/count_rice)
[INFO] [stderr]     Checking min_hall v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/min_hall)
[INFO] [stderr]     Checking count_sturdy_sticks v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/count_sturdy_sticks)
[INFO] [stderr]     Checking min_hall_index v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/min_hall_index)
[INFO] [stderr]     Checking sieve_of_eratosthenes v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/sieve_of_eratosthenes)
[INFO] [stderr]     Checking rust-leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking is_palindrome_string v0.1.0 (/opt/rustwide/workdir/problem_set/leetcode/easy/is_palindrome_string)
[INFO] [stderr]     Checking check_wrapping v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/check_wrapping)
[INFO] [stderr]     Checking find_hidden_wisdom v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/find_hidden_wisdom)
[INFO] [stderr]     Checking longest_bamboo_streak v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/longest_bamboo_streak)
[INFO] [stderr]     Checking reverse_string v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/reverse_string)
[INFO] [stderr]     Checking count_training_sessions v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/count_training_sessions)
[INFO] [stderr]     Checking find_peaks v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/find_peaks)
[INFO] [stderr]     Checking leap_year v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/leap_year)
[INFO] [stderr]     Checking print_diamond v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/print_diamond)
[INFO] [stderr]     Checking circle_shuffle v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/circle_shuffle)
[INFO] [stderr]     Checking plus_one v0.1.0 (/opt/rustwide/workdir/problem_set/leetcode/easy/plus_one)
[INFO] [stderr]     Checking count_lit_lanterns v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/count_lit_lanterns)
[INFO] [stderr]     Checking print_seating_plan v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/print_seating_plan)
[INFO] [stderr]     Checking print_border v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/print_border)
[INFO] [stderr]     Checking sum_columns v0.1.0 (/opt/rustwide/workdir/problem_set/faangshui/sum_columns)
[INFO] [stderr]     Checking two_sum v0.1.0 (/opt/rustwide/workdir/problem_set/leetcode/easy/two_sum)
[INFO] [stderr]     Checking is_palindrome v0.1.0 (/opt/rustwide/workdir/problem_set/leetcode/easy/is_palindrome)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> problem_set/leetcode/easy/two_sum/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `two_sum` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd4af1808f28fcedb78656eae8b2281ea562a93cc43c2a7ef0e91d3e74e24045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd4af1808f28fcedb78656eae8b2281ea562a93cc43c2a7ef0e91d3e74e24045", kill_on_drop: false }`
[INFO] [stdout] fd4af1808f28fcedb78656eae8b2281ea562a93cc43c2a7ef0e91d3e74e24045
