[INFO] cloning repository https://github.com/sjinno/leet-code [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjinno/leet-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjinno%2Fleet-code", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjinno%2Fleet-code'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3af3adb55b2b75008e9f8022f16e58bd3275aa47 [INFO] checking sjinno/leet-code against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjinno%2Fleet-code" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sjinno/leet-code on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sjinno/leet-code [INFO] finished tweaking git repo https://github.com/sjinno/leet-code [INFO] tweaked toml for git repo https://github.com/sjinno/leet-code written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/sjinno/leet-code already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] faab02aa9a301605d821f475990a99bbba36d0ee430e3c90000a4727a6bf8ee0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "faab02aa9a301605d821f475990a99bbba36d0ee430e3c90000a4727a6bf8ee0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "faab02aa9a301605d821f475990a99bbba36d0ee430e3c90000a4727a6bf8ee0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faab02aa9a301605d821f475990a99bbba36d0ee430e3c90000a4727a6bf8ee0", kill_on_drop: false }` [INFO] [stdout] faab02aa9a301605d821f475990a99bbba36d0ee430e3c90000a4727a6bf8ee0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0c48c4c92574e4489bd13773887f5d55c1d62f7bbb5a76aa5e4b4c8528dcaff [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a0c48c4c92574e4489bd13773887f5d55c1d62f7bbb5a76aa5e4b4c8528dcaff", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking leet-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected one of `!` or `[`, found `3.` [INFO] [stdout] --> src/bin/q-003.rs:1:3 [INFO] [stdout] | [INFO] [stdout] 1 | # 3. Longest Substring Without Repeating Characters [INFO] [stdout] | ^^ expected one of `!` or `[` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `!` or `[`, found `3.` [INFO] [stdout] --> src/bin/q-003.rs:1:3 [INFO] [stdout] | [INFO] [stdout] 1 | # 3. Longest Substring Without Repeating Characters [INFO] [stdout] | ^^ expected one of `!` or `[` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leet-code` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `letter_combinations` [INFO] [stdout] --> src/bin/q-017.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn letter_combinations(digits: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_sum` [INFO] [stdout] --> src/bin/q-001.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_valid` [INFO] [stdout] --> src/bin/q-020.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn is_valid(s: String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_valid` [INFO] [stdout] --> src/bin/q-020.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn is_valid(s: String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `search_insert` [INFO] [stdout] --> src/bin/q-035.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn search_insert(nums: Vec, target: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `search_insert` [INFO] [stdout] --> src/bin/q-035.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn search_insert(nums: Vec, target: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge` [INFO] [stdout] --> src/bin/q-088.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn merge(nums1: &mut Vec, m: i32, nums2: &mut Vec, n: i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l1` [INFO] [stdout] --> src/bin/q-021.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | mut l1: Option>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_l1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l2` [INFO] [stdout] --> src/bin/q-021.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | mut l2: Option>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_l2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/q-021.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | mut l1: Option>, [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/q-021.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | mut l2: Option>, [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/q-021.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_two_lists` [INFO] [stdout] --> src/bin/q-021.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn merge_two_lists( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `remove_duplicates` [INFO] [stdout] --> src/bin/q-026.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn remove_duplicates(nums: &mut Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_common_prefix` [INFO] [stdout] --> src/bin/q-014.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn longest_common_prefix(strs: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `letter_combinations` [INFO] [stdout] --> src/bin/q-017.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn letter_combinations(digits: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l1` [INFO] [stdout] --> src/bin/q-021.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | mut l1: Option>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_l1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l2` [INFO] [stdout] --> src/bin/q-021.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | mut l2: Option>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_l2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/q-021.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | mut l1: Option>, [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/q-021.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | mut l2: Option>, [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/q-021.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_two_lists` [INFO] [stdout] --> src/bin/q-021.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn merge_two_lists( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a0c48c4c92574e4489bd13773887f5d55c1d62f7bbb5a76aa5e4b4c8528dcaff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0c48c4c92574e4489bd13773887f5d55c1d62f7bbb5a76aa5e4b4c8528dcaff", kill_on_drop: false }` [INFO] [stdout] a0c48c4c92574e4489bd13773887f5d55c1d62f7bbb5a76aa5e4b4c8528dcaff