[INFO] cloning repository https://github.com/rust-notes-and-demos/algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-notes-and-demos/algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-notes-and-demos%2Falgo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-notes-and-demos%2Falgo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ae5c4608db26bf7a32be96947d77f02b03c7a18
[INFO] testing rust-notes-and-demos/algo against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-notes-and-demos%2Falgo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rust-notes-and-demos/algo
[INFO] finished tweaking git repo https://github.com/rust-notes-and-demos/algo
[INFO] tweaked toml for git repo https://github.com/rust-notes-and-demos/algo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rust-notes-and-demos/algo on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rust-notes-and-demos/algo 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1360ebba2c6b9b9123c6d456ed2c3c565fc0e1dac6d507d55ccb1195924a66f
[INFO] running `Command { std: "docker" "start" "-a" "b1360ebba2c6b9b9123c6d456ed2c3c565fc0e1dac6d507d55ccb1195924a66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1360ebba2c6b9b9123c6d456ed2c3c565fc0e1dac6d507d55ccb1195924a66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1360ebba2c6b9b9123c6d456ed2c3c565fc0e1dac6d507d55ccb1195924a66f", kill_on_drop: false }`
[INFO] [stdout] b1360ebba2c6b9b9123c6d456ed2c3c565fc0e1dac6d507d55ccb1195924a66f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b3af1ec771605daeeb4282ce1c24011e02667ec86151665047fb48a067535b
[INFO] running `Command { std: "docker" "start" "-a" "17b3af1ec771605daeeb4282ce1c24011e02667ec86151665047fb48a067535b", kill_on_drop: false }`
[INFO] [stderr]    Compiling algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input_array`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_sum`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:10:47
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_array`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_sum`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_array`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_sum`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (j, num2) in input_array[i+1..].iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn two_sum_best(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[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 `two_sum_brute_force` is never used
[INFO] [stdout]   --> src/questions/two_num_sum.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<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 `two_sum_better` is never used
[INFO] [stdout]   --> src/questions/two_num_sum.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_best` is never used
[INFO] [stdout]   --> src/questions/two_num_sum.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_brute_force` is never used
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_better` is never used
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn two_sum_better(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_best` is never used
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn two_sum_best(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "17b3af1ec771605daeeb4282ce1c24011e02667ec86151665047fb48a067535b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b3af1ec771605daeeb4282ce1c24011e02667ec86151665047fb48a067535b", kill_on_drop: false }`
[INFO] [stdout] 17b3af1ec771605daeeb4282ce1c24011e02667ec86151665047fb48a067535b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cba0c72ac361c88a3f56e594a3ad25695fd004a7831d105cc2ec0feff4eacbd4
[INFO] running `Command { std: "docker" "start" "-a" "cba0c72ac361c88a3f56e594a3ad25695fd004a7831d105cc2ec0feff4eacbd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input_array`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_sum`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:10:47
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_array`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_sum`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_array`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_sum`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (j, num2) in input_array[i+1..].iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn two_sum_best(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[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 `two_sum_brute_force` is never used
[INFO] [stdout]   --> src/questions/two_num_sum.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<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 `two_sum_better` is never used
[INFO] [stdout]   --> src/questions/two_num_sum.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_best` is never used
[INFO] [stdout]   --> src/questions/two_num_sum.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_brute_force` is never used
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_better` is never used
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn two_sum_better(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum_best` is never used
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn two_sum_best(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_array`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_sum`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:10:47
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_array`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_sum`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_array`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_sum`
[INFO] [stdout]   --> src/questions/two_num_sum.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (j, num2) in input_array[i+1..].iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/two_num_sum.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn two_sum_best(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "cba0c72ac361c88a3f56e594a3ad25695fd004a7831d105cc2ec0feff4eacbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba0c72ac361c88a3f56e594a3ad25695fd004a7831d105cc2ec0feff4eacbd4", kill_on_drop: false }`
[INFO] [stdout] cba0c72ac361c88a3f56e594a3ad25695fd004a7831d105cc2ec0feff4eacbd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42b0b1be01984ca2e191c382cbda9708606fd7b92223adc341db118cc262ebce
[INFO] running `Command { std: "docker" "start" "-a" "42b0b1be01984ca2e191c382cbda9708606fd7b92223adc341db118cc262ebce", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `input_array`
[INFO] [stderr]   --> src/questions/two_num_sum.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_sum`
[INFO] [stderr]   --> src/questions/two_num_sum.rs:10:47
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_array`
[INFO] [stderr]   --> src/questions/two_num_sum.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_sum`
[INFO] [stderr]   --> src/questions/two_num_sum.rs:16:42
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input_array`
[INFO] [stderr]   --> src/questions/two_num_sum.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_array`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_sum`
[INFO] [stderr]   --> src/questions/two_num_sum.rs:22:40
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/solutions/two_num_sum.rs:17:14
[INFO] [stderr]    |
[INFO] [stderr] 17 |         for (j, num2) in input_array[i+1..].iter().enumerate() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/solutions/two_num_sum.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn two_sum_best(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |                 ----^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_brute_force` is never used
[INFO] [stderr]   --> src/questions/two_num_sum.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_better` is never used
[INFO] [stderr]   --> src/questions/two_num_sum.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn two_sum_better(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_best` is never used
[INFO] [stderr]   --> src/questions/two_num_sum.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn two_sum_best(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_brute_force` is never used
[INFO] [stderr]   --> src/solutions/two_num_sum.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn two_sum_brute_force(input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_better` is never used
[INFO] [stderr]   --> src/solutions/two_num_sum.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn two_sum_better(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum_best` is never used
[INFO] [stderr]   --> src/solutions/two_num_sum.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn two_sum_best(mut input_array: Vec<i32>, target_sum: i32) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `algo` (lib) generated 14 warnings (run `cargo fix --lib -p algo` to apply 8 suggestions)
[INFO] [stderr] warning: `algo` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/algo-6fdfdd3fe3ab0c4d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test solutions::two_num_sum::s_two_num_sum::test_two_sum_best ... ok
[INFO] [stdout] test solutions::two_num_sum::s_two_num_sum::test_two_sum_brute_force ... ok
[INFO] [stdout] test solutions::two_num_sum::s_two_num_sum::test_two_sum_better ... ok
[INFO] [stdout] test questions::two_num_sum::q_two_num_sum::test_two_sum_best ... FAILED
[INFO] [stdout] test questions::two_num_sum::q_two_num_sum::test_two_sum_better ... FAILED
[INFO] [stdout] test questions::two_num_sum::q_two_num_sum::test_two_sum_brute_force ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- questions::two_num_sum::q_two_num_sum::test_two_sum_best stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'questions::two_num_sum::q_two_num_sum::test_two_sum_best' (25) panicked at src/questions/two_num_sum.rs:25:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3d39658562 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f3d39658562 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f3d39658562 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f3d39658562 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f3d3966cdca - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f3d3966cdca - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f3d3965d396 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f3d3965d396 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f3d39636a2f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f3d39636a2f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f3d39650849 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f3d395ec14e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f3d395ec14e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f3d39650a02 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f3d39650a02 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f3d39636b1a - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5f3d3962e4b9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f3d3963793d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f3d3966d49c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f3d3966d462 - core[c5ed12ab89cc536a]::panicking::panic
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5f3d395d4989 - algo[8374cf8950c33bde]::questions::two_num_sum::two_sum_best
[INFO] [stdout]                                at /opt/rustwide/workdir/src/questions/two_num_sum.rs:25:5
[INFO] [stdout]   21:     0x5f3d395deaf2 - algo[8374cf8950c33bde]::tests::two_num_sum::test_two_sum
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests/two_num_sum.rs:15:26
[INFO] [stdout]   22:     0x5f3d395d4a8d - algo[8374cf8950c33bde]::questions::two_num_sum::q_two_num_sum::test_two_sum_best
[INFO] [stdout]                                at /opt/rustwide/workdir/src/questions/two_num_sum.rs:45:9
[INFO] [stdout]   23:     0x5f3d395d3c87 - algo[8374cf8950c33bde]::questions::two_num_sum::q_two_num_sum::test_two_sum_best::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/questions/two_num_sum.rs:44:27
[INFO] [stdout]   24:     0x5f3d395d5ed6 - <algo[8374cf8950c33bde]::questions::two_num_sum::q_two_num_sum::test_two_sum_best::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5f3d395e04fb - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5f3d395e04fb - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5f3d395ecd5a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5f3d395ecd5a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5f3d395ecd5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5f3d395ecd5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5f3d395ecd5a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5f3d395ecd5a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5f3d395ecd5a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5f3d395e7224 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5f3d395e7224 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5f3d395ef852 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5f3d395ef852 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5f3d39657e0f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5f3d39657e0f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x7e5ec5f75aa4 - <unknown>
[INFO] [stdout]   46:     0x7e5ec6002a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- questions::two_num_sum::q_two_num_sum::test_two_sum_better stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'questions::two_num_sum::q_two_num_sum::test_two_sum_better' (26) panicked at src/questions/two_num_sum.rs:19:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3d39658562 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f3d39658562 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f3d39658562 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f3d39658562 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f3d3966cdca - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f3d3966cdca - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f3d3965d396 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f3d3965d396 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f3d39636a2f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f3d39636a2f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f3d39650849 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f3d395ec14e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f3d395ec14e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f3d39650a02 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f3d39650a02 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f3d39636b1a - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5f3d3962e4b9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f3d3963793d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f3d3966d49c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f3d3966d462 - core[c5ed12ab89cc536a]::panicking::panic
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5f3d395d49e9 - algo[8374cf8950c33bde]::questions::two_num_sum::two_sum_better
[INFO] [stdout]                                at /opt/rustwide/workdir/src/questions/two_num_sum.rs:19:5
[INFO] [stdout]   21:     0x5f3d395deaf2 - algo[8374cf8950c33bde]::tests::two_num_sum::test_two_sum
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests/two_num_sum.rs:15:26
[INFO] [stdout]   22:     0x5f3d395d4a9d - algo[8374cf8950c33bde]::questions::two_num_sum::q_two_num_sum::test_two_sum_better
[INFO] [stdout]                                at /opt/rustwide/workdir/src/questions/two_num_sum.rs:40:9
[INFO] [stdout]   23:     0x5f3d395d3cb7 - algo[8374cf8950c33bde]::questions::two_num_sum::q_two_num_sum::test_two_sum_better::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/questions/two_num_sum.rs:39:29
[INFO] [stdout]   24:     0x5f3d395d5f16 - <algo[8374cf8950c33bde]::questions::two_num_sum::q_two_num_sum::test_two_sum_better::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5f3d395e04fb - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5f3d395e04fb - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5f3d395ecd5a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5f3d395ecd5a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5f3d395ecd5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5f3d395ecd5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5f3d395ecd5a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5f3d395ecd5a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5f3d395ecd5a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5f3d395e7224 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5f3d395e7224 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5f3d395ef852 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5f3d395ef852 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5f3d39657e0f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5f3d39657e0f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x7e5ec5f75aa4 - <unknown>
[INFO] [stdout]   46:     0x7e5ec6002a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- questions::two_num_sum::q_two_num_sum::test_two_sum_brute_force stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'questions::two_num_sum::q_two_num_sum::test_two_sum_brute_force' (27) panicked at src/questions/two_num_sum.rs:13:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f3d39658562 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f3d39658562 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f3d39658562 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f3d39658562 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f3d3966cdca - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f3d3966cdca - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5f3d3965d396 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f3d3965d396 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f3d39636a2f - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f3d39636a2f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f3d39650849 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f3d395ec14e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f3d395ec14e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f3d39650a02 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f3d39650a02 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f3d39636b1a - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5f3d3962e4b9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f3d3963793d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f3d3966d49c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f3d3966d462 - core[c5ed12ab89cc536a]::panicking::panic
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5f3d395d4a49 - algo[8374cf8950c33bde]::questions::two_num_sum::two_sum_brute_force
[INFO] [stdout]                                at /opt/rustwide/workdir/src/questions/two_num_sum.rs:13:5
[INFO] [stdout]   21:     0x5f3d395deaf2 - algo[8374cf8950c33bde]::tests::two_num_sum::test_two_sum
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests/two_num_sum.rs:15:26
[INFO] [stdout]   22:     0x5f3d395d4aad - algo[8374cf8950c33bde]::questions::two_num_sum::q_two_num_sum::test_two_sum_brute_force
[INFO] [stdout]                                at /opt/rustwide/workdir/src/questions/two_num_sum.rs:35:9
[INFO] [stdout]   23:     0x5f3d395d3ce7 - algo[8374cf8950c33bde]::questions::two_num_sum::q_two_num_sum::test_two_sum_brute_force::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/questions/two_num_sum.rs:34:34
[INFO] [stdout]   24:     0x5f3d395d5f56 - <algo[8374cf8950c33bde]::questions::two_num_sum::q_two_num_sum::test_two_sum_brute_force::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5f3d395e04fb - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5f3d395e04fb - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5f3d395ecd5a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5f3d395ecd5a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5f3d395ecd5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5f3d395ecd5a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5f3d395ecd5a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5f3d395ecd5a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5f3d395ecd5a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5f3d395e7224 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5f3d395e7224 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5f3d395ef852 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5f3d395ef852 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5f3d395ef852 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5f3d39657e0f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5f3d39657e0f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x7e5ec5f75aa4 - <unknown>
[INFO] [stdout]   46:     0x7e5ec6002a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     questions::two_num_sum::q_two_num_sum::test_two_sum_best
[INFO] [stdout]     questions::two_num_sum::q_two_num_sum::test_two_sum_better
[INFO] [stdout]     questions::two_num_sum::q_two_num_sum::test_two_sum_brute_force
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "42b0b1be01984ca2e191c382cbda9708606fd7b92223adc341db118cc262ebce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b0b1be01984ca2e191c382cbda9708606fd7b92223adc341db118cc262ebce", kill_on_drop: false }`
[INFO] [stdout] 42b0b1be01984ca2e191c382cbda9708606fd7b92223adc341db118cc262ebce
