[INFO] cloning repository https://github.com/MattCairns/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MattCairns/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattCairns%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattCairns%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09653bc30f09a84f67f82daae0f5914ee822e234
[INFO] testing MattCairns/leetcode-rust against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattCairns%2Fleetcode-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MattCairns/leetcode-rust
[INFO] finished tweaking git repo https://github.com/MattCairns/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/MattCairns/leetcode-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MattCairns/leetcode-rust on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MattCairns/leetcode-rust 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3ddac42ef0fcca7d280c6028dfdc8c0784933afb262f745e888beca1905b5ef
[INFO] running `Command { std: "docker" "start" "-a" "c3ddac42ef0fcca7d280c6028dfdc8c0784933afb262f745e888beca1905b5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3ddac42ef0fcca7d280c6028dfdc8c0784933afb262f745e888beca1905b5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ddac42ef0fcca7d280c6028dfdc8c0784933afb262f745e888beca1905b5ef", kill_on_drop: false }`
[INFO] [stdout] c3ddac42ef0fcca7d280c6028dfdc8c0784933afb262f745e888beca1905b5ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70cd31eddd75d30766cf2776d2183e8e2f6573b6d84b2366609f3c2e872005dd
[INFO] running `Command { std: "docker" "start" "-a" "70cd31eddd75d30766cf2776d2183e8e2f6573b6d84b2366609f3c2e872005dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/medium/freqstack.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut max = 0;
[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: unused variable: `max`
[INFO] [stdout]   --> src/medium/freqstack.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut max = 0;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/medium/freqstack.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for (k, v) in self.freq_counter.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/medium/freqstack.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for (k, v) in self.freq_counter.iter().enumerate() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubrectangleQueries` is never constructed
[INFO] [stdout]  --> src/medium/subrectangle_queries.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct SubrectangleQueries {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update_subrectangle`, and `get_value` are never used
[INFO] [stdout]   --> src/medium/subrectangle_queries.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl SubrectangleQueries {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 10 |     fn new(rectangle: Vec<Vec<i32>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn update_subrectangle(&mut self, row1: i32, col1: i32, row2: i32, col2: i32, new_value: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn get_value(&self, row: i32, col: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FreqStack` is never constructed
[INFO] [stdout]  --> src/medium/freqstack.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct FreqStack {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/medium/freqstack.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FreqStack {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn push(&mut self, val: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn pop(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_common_prefix` is never used
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest_common_prefix(strs: Vec<String>) -> String {
[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 `remove_duplicates` is never used
[INFO] [stdout]   --> src/main.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "70cd31eddd75d30766cf2776d2183e8e2f6573b6d84b2366609f3c2e872005dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70cd31eddd75d30766cf2776d2183e8e2f6573b6d84b2366609f3c2e872005dd", kill_on_drop: false }`
[INFO] [stdout] 70cd31eddd75d30766cf2776d2183e8e2f6573b6d84b2366609f3c2e872005dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba7fb89b08639572fc5736d026ce417254cca263b37ffba9f02d376cca0d4c5
[INFO] running `Command { std: "docker" "start" "-a" "7ba7fb89b08639572fc5736d026ce417254cca263b37ffba9f02d376cca0d4c5", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/medium/freqstack.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut max = 0;
[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: unused variable: `max`
[INFO] [stdout]   --> src/medium/freqstack.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut max = 0;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/medium/freqstack.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for (k, v) in self.freq_counter.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/medium/freqstack.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for (k, v) in self.freq_counter.iter().enumerate() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubrectangleQueries` is never constructed
[INFO] [stdout]  --> src/medium/subrectangle_queries.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct SubrectangleQueries {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update_subrectangle`, and `get_value` are never used
[INFO] [stdout]   --> src/medium/subrectangle_queries.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl SubrectangleQueries {
[INFO] [stdout]    | ------------------------ associated items in this implementation
[INFO] [stdout] 10 |     fn new(rectangle: Vec<Vec<i32>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn update_subrectangle(&mut self, row1: i32, col1: i32, row2: i32, col2: i32, new_value: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn get_value(&self, row: i32, col: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FreqStack` is never constructed
[INFO] [stdout]  --> src/medium/freqstack.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct FreqStack {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/medium/freqstack.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FreqStack {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn push(&mut self, val: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn pop(&self) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/medium/subrectangle_queries.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let mut rectangle = SubrectangleQueries::new(vec![vec![0, 0], vec![0, 0]]);
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/medium/freqstack.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut max = 0;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/medium/freqstack.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut max = 0;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/medium/freqstack.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for (k, v) in self.freq_counter.iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/medium/freqstack.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for (k, v) in self.freq_counter.iter().enumerate() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop` is never used
[INFO] [stdout]   --> src/medium/freqstack.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FreqStack {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn pop(&self) -> i32 {
[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 `longest_common_prefix` is never used
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn longest_common_prefix(strs: Vec<String>) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "7ba7fb89b08639572fc5736d026ce417254cca263b37ffba9f02d376cca0d4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba7fb89b08639572fc5736d026ce417254cca263b37ffba9f02d376cca0d4c5", kill_on_drop: false }`
[INFO] [stdout] 7ba7fb89b08639572fc5736d026ce417254cca263b37ffba9f02d376cca0d4c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 528ea7755143fcafc54ed98394395ff2494b612e31c2aee936af83a7da07302b
[INFO] running `Command { std: "docker" "start" "-a" "528ea7755143fcafc54ed98394395ff2494b612e31c2aee936af83a7da07302b", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]   --> src/medium/freqstack.rs:27:13
[INFO] [stdout] running 10 tests
[INFO] [stderr]    |
[INFO] [stdout] test easy::tests::test_pivot_index ... ok
[INFO] [stderr] 27 |         let mut max = 0;
[INFO] [stdout] test easy::tests::test_remove_element ... ok
[INFO] [stderr]    |             ----^^^
[INFO] [stdout] test easy::tests::test_is_subsequence ... ok
[INFO] [stderr]    |             |
[INFO] [stdout] test easy::tests::test_running_sum ... ok
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stdout] test medium::subrectangle_queries::tests::get_value ... ok
[INFO] [stderr]    |
[INFO] [stdout] test medium::subrectangle_queries::tests::test_update_subrectangle ... ok
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test easy::tests::test_str_str ... ok
[INFO] [stderr] 
[INFO] [stdout] test medium::max_increase_keeping_skyline::tests::test_max_increase_keeping_skyline ... ok
[INFO] [stderr] warning: unused variable: `max`
[INFO] [stdout] test medium::freqstack::tests::test_stack ... ok
[INFO] [stderr]   --> src/medium/freqstack.rs:27:13
[INFO] [stdout] test easy::tests::test_is_isomorphic ... FAILED
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 27 |         let mut max = 0;
[INFO] [stdout] failures:
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] ---- easy::tests::test_is_isomorphic stdout ----
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] code == leet
[INFO] [stderr] 
[INFO] [stdout] add == egg
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stdout] bar == foo
[INFO] [stderr]   --> src/medium/freqstack.rs:28:14
[INFO] [stdout] baba == badc
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 28 |         for (k, v) in self.freq_counter.iter().enumerate() {
[INFO] [stdout] thread 'easy::tests::test_is_isomorphic' (17) panicked at src/easy.rs:58:34:
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stderr] 
[INFO] [stdout] stack backtrace:
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stdout]    0:     0x5aba5a04a3ea - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]   --> src/medium/freqstack.rs:28:17
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    |
[INFO] [stdout]    1:     0x5aba5a04a3ea - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr] 28 |         for (k, v) in self.freq_counter.iter().enumerate() {
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    2:     0x5aba5a04a3ea - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr] warning: struct `SubrectangleQueries` is never constructed
[INFO] [stdout]    3:     0x5aba5a04a3ea - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stderr]  --> src/medium/subrectangle_queries.rs:1:8
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]   |
[INFO] [stdout]    4:     0x5aba5a05e0aa - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stderr] 1 | struct SubrectangleQueries {
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    5:     0x5aba5a05e0aa - core[786f478f706679df]::fmt::write
[INFO] [stderr]   |
[INFO] [stdout]    6:     0x5aba5a04ec72 - std[f92b4c606f291077]::io::default_write_fmt::<alloc[64763625b5a07cdb]::vec::Vec<u8>>
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stderr] 
[INFO] [stdout]    7:     0x5aba5a04ec72 - <alloc[64763625b5a07cdb]::vec::Vec<u8> as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stderr] warning: associated items `new`, `update_subrectangle`, and `get_value` are never used
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]   --> src/medium/subrectangle_queries.rs:10:8
[INFO] [stdout]    8:     0x5aba5a02960f - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]    |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]  9 | impl SubrectangleQueries {
[INFO] [stdout]    9:     0x5aba5a02960f - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stderr]    | ------------------------ associated items in this implementation
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stderr] 10 |     fn new(rectangle: Vec<Vec<i32>>) -> Self {
[INFO] [stdout]   10:     0x5aba5a0429a9 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stderr]    |        ^^^
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:316:9
[INFO] [stderr] ...
[INFO] [stdout]   11:     0x5aba59fdfb6c - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stderr] 14 |     fn update_subrectangle(&mut self, row1: i32, col1: i32, row2: i32, col2: i32, new_value: i32) {
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   12:     0x5aba59fdfb6c - test[20e1f0ae6cad7a17]::test_main_with_exit_callback::<test[20e1f0ae6cad7a17]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr] ...
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:145:21
[INFO] [stderr] 22 |     fn get_value(&self, row: i32, col: i32) -> i32 {
[INFO] [stdout]   13:     0x5aba5a042b62 - <alloc[64763625b5a07cdb]::boxed::Box<dyn for<'a, 'b> core[786f478f706679df]::ops::function::Fn<(&'a std[f92b4c606f291077]::panic::PanicHookInfo<'b>,), Output = ()> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::Fn<(&std[f92b4c606f291077]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2254:9
[INFO] [stderr] 
[INFO] [stdout]   14:     0x5aba5a042b62 - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stderr] warning: struct `FreqStack` is never constructed
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:833:13
[INFO] [stderr]  --> src/medium/freqstack.rs:3:8
[INFO] [stdout]   15:     0x5aba5a0296fa - std[f92b4c606f291077]::panicking::panic_handler::{closure#0}
[INFO] [stderr]   |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:691:13
[INFO] [stderr] 3 | struct FreqStack {
[INFO] [stdout]   16:     0x5aba5a021069 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr] 
[INFO] [stdout]   17:     0x5aba5a02a3dd - __rustc[8241495c18a89d70]::rust_begin_unwind
[INFO] [stderr] warning: associated items `new`, `push`, and `pop` are never used
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:689:5
[INFO] [stderr]   --> src/medium/freqstack.rs:13:8
[INFO] [stdout]   18:     0x5aba5a05e7fc - core[786f478f706679df]::panicking::panic_fmt
[INFO] [stderr]    |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:80:14
[INFO] [stderr] 12 | impl FreqStack {
[INFO] [stdout]   19:     0x5aba5a05e7c2 - core[786f478f706679df]::panicking::panic
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:150:5
[INFO] [stderr] 13 |     fn new() -> Self {
[INFO] [stdout]   20:     0x5aba5a05e519 - core[786f478f706679df]::option::unwrap_failed
[INFO] [stderr]    |        ^^^
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/option.rs:2251:5
[INFO] [stderr] ...
[INFO] [stdout]   21:     0x5aba59fd1fca - <core[786f478f706679df]::option::Option<&u8>>::unwrap
[INFO] [stderr] 20 |     fn push(&mut self, val: i32) {
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/option.rs:1016:21
[INFO] [stderr]    |        ^^^^
[INFO] [stdout]   22:     0x5aba59fd1fca - leetcode[d37deeb9b8a2317d]::easy::is_isomorphic
[INFO] [stderr] ...
[INFO] [stdout]                                at /opt/rustwide/workdir/src/easy.rs:58:34
[INFO] [stderr] 26 |     fn pop(&self) -> i32 {
[INFO] [stdout]   23:     0x5aba59fc749b - leetcode[d37deeb9b8a2317d]::easy::tests::test_is_isomorphic
[INFO] [stderr]    |        ^^^
[INFO] [stdout]                                at /opt/rustwide/workdir/src/easy.rs:146:20
[INFO] [stderr] 
[INFO] [stdout]   24:     0x5aba59fc5c97 - leetcode[d37deeb9b8a2317d]::easy::tests::test_is_isomorphic::{closure#0}
[INFO] [stderr] warning: `leetcode` (lib) generated 8 warnings (run `cargo fix --lib -p leetcode` to apply 4 suggestions)
[INFO] [stdout]                                at /opt/rustwide/workdir/src/easy.rs:142:28
[INFO] [stderr] warning: function `longest_common_prefix` is never used
[INFO] [stdout]   25:     0x5aba59fd3a06 - <leetcode[d37deeb9b8a2317d]::easy::tests::test_is_isomorphic::{closure#0} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]  --> src/main.rs:3:4
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   |
[INFO] [stdout]   26:     0x5aba59fd3c4b - <fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr] 3 | fn longest_common_prefix(strs: Vec<String>) -> String {
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   27:     0x5aba59fd3c4b - test[20e1f0ae6cad7a17]::__rust_begin_short_backtrace::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, fn() -> core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stderr]   |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:663:18
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]   28:     0x5aba59fe063b - test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:74
[INFO] [stderr] warning: `leetcode` (bin "leetcode" test) generated 1 warning
[INFO] [stdout]   29:     0x5aba59fe063b - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   --> src/medium/subrectangle_queries.rs:57:13
[INFO] [stdout]   30:     0x5aba59fe063b - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stderr]    |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stderr] 57 |         let mut rectangle = SubrectangleQueries::new(vec![vec![0, 0], vec![0, 0]]);
[INFO] [stdout]   31:     0x5aba59fe063b - std[f92b4c606f291077]::panicking::catch_unwind::<core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>, core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>>
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stderr]    |             |
[INFO] [stdout]   32:     0x5aba59fe063b - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<test[20e1f0ae6cad7a17]::run_test_in_process::{closure#0}>, core[786f478f706679df]::result::Result<(), alloc[64763625b5a07cdb]::string::String>>
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stderr]    |
[INFO] [stdout]   33:     0x5aba59fe063b - test[20e1f0ae6cad7a17]::run_test_in_process
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:686:27
[INFO] [stderr] 
[INFO] [stdout]   34:     0x5aba59fe063b - test[20e1f0ae6cad7a17]::run_test::{closure#0}
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:607:43
[INFO] [stderr]   --> src/medium/freqstack.rs:27:13
[INFO] [stdout]   35:     0x5aba59fdbd54 - test[20e1f0ae6cad7a17]::run_test::{closure#1}
[INFO] [stderr]    |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/test/src/lib.rs:637:41
[INFO] [stderr] 27 |         let mut max = 0;
[INFO] [stdout]   36:     0x5aba59fdbd54 - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>
[INFO] [stderr]    |             ----^^^
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]    |             |
[INFO] [stdout]   37:     0x5aba59fe3242 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr] 
[INFO] [stdout]   38:     0x5aba59fe3242 - <core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr] warning: method `pop` is never used
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stderr]   --> src/medium/freqstack.rs:26:8
[INFO] [stdout]   39:     0x5aba59fe3242 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]    |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stderr] 12 | impl FreqStack {
[INFO] [stdout]   40:     0x5aba59fe3242 - std[f92b4c606f291077]::panicking::catch_unwind::<(), core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stderr] ...
[INFO] [stdout]   41:     0x5aba59fe3242 - std[f92b4c606f291077]::panic::catch_unwind::<core[786f478f706679df]::panic::unwind_safe::AssertUnwindSafe<std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr] 26 |     fn pop(&self) -> i32 {
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stderr]    |        ^^^
[INFO] [stdout]   42:     0x5aba59fe3242 - std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked::<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]    |
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]   43:     0x5aba59fe3242 - <std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<test[20e1f0ae6cad7a17]::run_test::{closure#1}, ()>::{closure#1} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:250:5
[INFO] [stderr] warning: `leetcode` (lib test) generated 6 warnings (3 duplicates) (run `cargo fix --lib -p leetcode --tests` to apply 2 suggestions)
[INFO] [stdout]   44:     0x5aba5a049cff - <alloc[64763625b5a07cdb]::boxed::Box<dyn core[786f478f706679df]::ops::function::FnOnce<(), Output = ()> + core[786f478f706679df]::marker::Send> as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/alloc/src/boxed.rs:2240:9
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leetcode-1d1c5491a7efd8ae)
[INFO] [stdout]   45:     0x5aba5a049cff - <std[f92b4c606f291077]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   46:     0x70023c7ecaa4 - <unknown>
[INFO] [stdout]   47:     0x70023c879a64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     easy::tests::test_is_isomorphic
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "528ea7755143fcafc54ed98394395ff2494b612e31c2aee936af83a7da07302b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528ea7755143fcafc54ed98394395ff2494b612e31c2aee936af83a7da07302b", kill_on_drop: false }`
[INFO] [stdout] 528ea7755143fcafc54ed98394395ff2494b612e31c2aee936af83a7da07302b
