[INFO] cloning repository https://github.com/martian0x80/cses [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martian0x80/cses" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartian0x80%2Fcses", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartian0x80%2Fcses'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e0c1de8da4962f090e86f752ae206241e985124 [INFO] checking martian0x80/cses against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartian0x80%2Fcses" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/martian0x80/cses [INFO] finished tweaking git repo https://github.com/martian0x80/cses [INFO] tweaked toml for git repo https://github.com/martian0x80/cses written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/martian0x80/cses on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/martian0x80/cses 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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking martian0x80/cses against try#b10dae361a61486cfbdcd3aae3877ee17e00d192 for pr-153912 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartian0x80%2Fcses" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/martian0x80/cses [INFO] finished tweaking git repo https://github.com/martian0x80/cses [INFO] tweaked toml for git repo https://github.com/martian0x80/cses written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/martian0x80/cses on toolchain b10dae361a61486cfbdcd3aae3877ee17e00d192 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/martian0x80/cses 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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ceb2adb0c6d42cd51f570a71c665474ad8ebac9c46491cadc01b02c0b7d7c7c5 [INFO] running `Command { std: "docker" "start" "-a" "ceb2adb0c6d42cd51f570a71c665474ad8ebac9c46491cadc01b02c0b7d7c7c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ceb2adb0c6d42cd51f570a71c665474ad8ebac9c46491cadc01b02c0b7d7c7c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ceb2adb0c6d42cd51f570a71c665474ad8ebac9c46491cadc01b02c0b7d7c7c5", kill_on_drop: false }` [INFO] [stdout] ceb2adb0c6d42cd51f570a71c665474ad8ebac9c46491cadc01b02c0b7d7c7c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b10dae361a61486cfbdcd3aae3877ee17e00d192" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4939717ad9268163c2fb2f4fe97119626d06ac58c9ce2d597d8309f61cc2c8e7 [INFO] running `Command { std: "docker" "start" "-a" "4939717ad9268163c2fb2f4fe97119626d06ac58c9ce2d597d8309f61cc2c8e7", kill_on_drop: false }` [INFO] [stderr] Checking cses-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/cses/number_spiral.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | let mut offset = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cses/palindrome_reorder.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut odd_count = freq.iter().filter(|&x| x % 2 == 1).count(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_count` is never used [INFO] [stdout] --> src/cses/bit_strings.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn get_count(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_possible` is never used [INFO] [stdout] --> src/cses/coin_piles.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn is_possible(a: i64, b: i64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gray_code` is never used [INFO] [stdout] --> src/cses/gray_code.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn gray_code(i: u32, width: usize) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_codes_list` is never used [INFO] [stdout] --> src/cses/gray_code.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn get_codes_list(bit_len: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_min_moves` is never used [INFO] [stdout] --> src/cses/increasing_array.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn count_min_moves(nums: &mut [i64]) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_missing` is never used [INFO] [stdout] --> src/cses/missing_number.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn find_missing(seq: &[i64], n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_spiral` is never used [INFO] [stdout] --> src/cses/number_spiral.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn generate_spiral(input: i64) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_value` is never used [INFO] [stdout] --> src/cses/number_spiral.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn get_value(x: i64, y: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/cses/number_spiral.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reorder` is never used [INFO] [stdout] --> src/cses/palindrome_reorder.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn reorder(s: &str) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_beautiful_sequence` is never used [INFO] [stdout] --> src/cses/permutations.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_beautiful_sequence(n: i64) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_longest_repetition` is never used [INFO] [stdout] --> src/cses/repetitions.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_longest_repetition(dna: &str) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_trailing_zeroes` is never used [INFO] [stdout] --> src/cses/trailing_zeroes.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_trailing_zeroes(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_possible_moves` is never used [INFO] [stdout] --> src/cses/two_knights.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_possible_moves(n: i64) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_sets` is never used [INFO] [stdout] --> src/cses/two_sets.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn find_sets(n: i64) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greedy_find_sets` is never used [INFO] [stdout] --> src/cses/two_sets.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn greedy_find_sets(n: i64) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_matrix` is never used [INFO] [stdout] --> src/utils.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn print_matrix(mat: &Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/cses/number_spiral.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | let mut offset = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cses/palindrome_reorder.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut odd_count = freq.iter().filter(|&x| x % 2 == 1).count(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_count` is never used [INFO] [stdout] --> src/cses/bit_strings.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn get_count(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_possible` is never used [INFO] [stdout] --> src/cses/coin_piles.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn is_possible(a: i64, b: i64) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gray_code` is never used [INFO] [stdout] --> src/cses/gray_code.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn gray_code(i: u32, width: usize) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_codes_list` is never used [INFO] [stdout] --> src/cses/gray_code.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn get_codes_list(bit_len: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_min_moves` is never used [INFO] [stdout] --> src/cses/increasing_array.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn count_min_moves(nums: &mut [i64]) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_missing` is never used [INFO] [stdout] --> src/cses/missing_number.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn find_missing(seq: &[i64], n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_spiral` is never used [INFO] [stdout] --> src/cses/number_spiral.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn generate_spiral(input: i64) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_value` is never used [INFO] [stdout] --> src/cses/number_spiral.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn get_value(x: i64, y: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/cses/number_spiral.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reorder` is never used [INFO] [stdout] --> src/cses/palindrome_reorder.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn reorder(s: &str) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_beautiful_sequence` is never used [INFO] [stdout] --> src/cses/permutations.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_beautiful_sequence(n: i64) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_longest_repetition` is never used [INFO] [stdout] --> src/cses/repetitions.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_longest_repetition(dna: &str) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_trailing_zeroes` is never used [INFO] [stdout] --> src/cses/trailing_zeroes.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_trailing_zeroes(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_possible_moves` is never used [INFO] [stdout] --> src/cses/two_knights.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_possible_moves(n: i64) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_sets` is never used [INFO] [stdout] --> src/cses/two_sets.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn find_sets(n: i64) -> Option>> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greedy_find_sets` is never used [INFO] [stdout] --> src/cses/two_sets.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn greedy_find_sets(n: i64) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_matrix` is never used [INFO] [stdout] --> src/utils.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn print_matrix(mat: &Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "4939717ad9268163c2fb2f4fe97119626d06ac58c9ce2d597d8309f61cc2c8e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4939717ad9268163c2fb2f4fe97119626d06ac58c9ce2d597d8309f61cc2c8e7", kill_on_drop: false }` [INFO] [stdout] 4939717ad9268163c2fb2f4fe97119626d06ac58c9ce2d597d8309f61cc2c8e7