[INFO] cloning repository https://github.com/driedtoast/rusties
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/driedtoast/rusties" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriedtoast%2Frusties", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriedtoast%2Frusties'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16ef489791be6d8b1d4cb68f9066579db82d0677
[INFO] testing driedtoast/rusties against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdriedtoast%2Frusties" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/driedtoast/rusties on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/driedtoast/rusties
[INFO] finished tweaking git repo https://github.com/driedtoast/rusties
[INFO] tweaked toml for git repo https://github.com/driedtoast/rusties written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/driedtoast/rusties already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fountain v0.1.12
[INFO] [stderr]   Downloaded seahorse v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2a6c4b7110e8efbb55a65a0913952a8d462cdd4e9befa99e0d86bf605bfec96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b2a6c4b7110e8efbb55a65a0913952a8d462cdd4e9befa99e0d86bf605bfec96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2a6c4b7110e8efbb55a65a0913952a8d462cdd4e9befa99e0d86bf605bfec96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a6c4b7110e8efbb55a65a0913952a8d462cdd4e9befa99e0d86bf605bfec96", kill_on_drop: false }`
[INFO] [stdout] b2a6c4b7110e8efbb55a65a0913952a8d462cdd4e9befa99e0d86bf605bfec96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3005e3e0406401eddbacbd3c729a91e7da08ee396d7db7fca500ca306777aa4
[INFO] running `Command { std: "docker" "start" "-a" "b3005e3e0406401eddbacbd3c729a91e7da08ee396d7db7fca500ca306777aa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling seahorse v1.0.0
[INFO] [stderr]    Compiling fountain v0.1.12
[INFO] [stderr]    Compiling rusties v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `str_to_check` is never read
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |       str_to_check = substring(str_to_check, 0, n);      
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hacker_rank_action`
[INFO] [stdout]  --> src/hacker_rank/command.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn hacker_rank_action(c: &Context) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `problem_not_found`
[INFO] [stdout]   --> src/hacker_rank/command.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn problem_not_found() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get`
[INFO] [stdout]   --> src/hacker_rank/command.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get() -> Command {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cat_and_mouse_call`
[INFO] [stdout]  --> src/hacker_rank/cat_and_mouse.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn cat_and_mouse_call(cat_a: i32, cat_b: i32, mouse_c: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/hacker_rank/cat_and_mouse.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn run(args: &[String]) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeated_string_call`
[INFO] [stdout]  --> src/hacker_rank/repeated_string.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn repeated_string_call(s: &String, n: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_length`
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn str_length(str_to_check: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn run(args: &[String]) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `substring`
[INFO] [stdout]  --> src/hacker_rank/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn substring(s: &str, start: usize, len: usize) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorKind`
[INFO] [stdout]  --> src/commands/screenplay.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nom::error::{ErrorKind, VerboseError};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str_to_check` is never read
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |       str_to_check = substring(str_to_check, 0, n);      
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3005e3e0406401eddbacbd3c729a91e7da08ee396d7db7fca500ca306777aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3005e3e0406401eddbacbd3c729a91e7da08ee396d7db7fca500ca306777aa4", kill_on_drop: false }`
[INFO] [stdout] b3005e3e0406401eddbacbd3c729a91e7da08ee396d7db7fca500ca306777aa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d42950498d9633c16ef73a6131a6a105eaff46b8bcbafddcfb459e5c68ac71c5
[INFO] running `Command { std: "docker" "start" "-a" "d42950498d9633c16ef73a6131a6a105eaff46b8bcbafddcfb459e5c68ac71c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusties v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `str_to_check` is never read
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |       str_to_check = substring(str_to_check, 0, n);      
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hacker_rank_action`
[INFO] [stdout]  --> src/hacker_rank/command.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn hacker_rank_action(c: &Context) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `problem_not_found`
[INFO] [stdout]   --> src/hacker_rank/command.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn problem_not_found() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get`
[INFO] [stdout]   --> src/hacker_rank/command.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get() -> Command {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cat_and_mouse_call`
[INFO] [stdout]  --> src/hacker_rank/cat_and_mouse.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn cat_and_mouse_call(cat_a: i32, cat_b: i32, mouse_c: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/hacker_rank/cat_and_mouse.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn run(args: &[String]) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeated_string_call`
[INFO] [stdout]  --> src/hacker_rank/repeated_string.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn repeated_string_call(s: &String, n: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_length`
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn str_length(str_to_check: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn run(args: &[String]) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `substring`
[INFO] [stdout]  --> src/hacker_rank/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn substring(s: &str, start: usize, len: usize) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ErrorKind`
[INFO] [stdout]  --> src/commands/screenplay.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nom::error::{ErrorKind, VerboseError};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str_to_check` is never read
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |       str_to_check = substring(str_to_check, 0, n);      
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str_to_check` is never read
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |       str_to_check = substring(str_to_check, 0, n);      
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hacker_rank_action`
[INFO] [stdout]  --> src/hacker_rank/command.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn hacker_rank_action(c: &Context) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `problem_not_found`
[INFO] [stdout]   --> src/hacker_rank/command.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn problem_not_found() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get`
[INFO] [stdout]   --> src/hacker_rank/command.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get() -> Command {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cat_and_mouse_call`
[INFO] [stdout]  --> src/hacker_rank/cat_and_mouse.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn cat_and_mouse_call(cat_a: i32, cat_b: i32, mouse_c: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/hacker_rank/cat_and_mouse.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn run(args: &[String]) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `repeated_string_call`
[INFO] [stdout]  --> src/hacker_rank/repeated_string.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn repeated_string_call(s: &String, n: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_length`
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn str_length(str_to_check: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/hacker_rank/repeated_string.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn run(args: &[String]) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `substring`
[INFO] [stdout]  --> src/hacker_rank/mod.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn substring(s: &str, start: usize, len: usize) -> &str {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "d42950498d9633c16ef73a6131a6a105eaff46b8bcbafddcfb459e5c68ac71c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42950498d9633c16ef73a6131a6a105eaff46b8bcbafddcfb459e5c68ac71c5", kill_on_drop: false }`
[INFO] [stdout] d42950498d9633c16ef73a6131a6a105eaff46b8bcbafddcfb459e5c68ac71c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24a00fd15685294a0de77a6222f9b2ee17faa90d3f3acbbf2e36c9c421550831
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "24a00fd15685294a0de77a6222f9b2ee17faa90d3f3acbbf2e36c9c421550831", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `str_to_check` is never read
[INFO] [stderr]   --> src/hacker_rank/repeated_string.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 |       str_to_check = substring(str_to_check, 0, n);      
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hacker_rank_action`
[INFO] [stderr]  --> src/hacker_rank/command.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn hacker_rank_action(c: &Context) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_not_found`
[INFO] [stderr]   --> src/hacker_rank/command.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn problem_not_found() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get`
[INFO] [stderr]   --> src/hacker_rank/command.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn get() -> Command {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cat_and_mouse_call`
[INFO] [stderr]  --> src/hacker_rank/cat_and_mouse.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn cat_and_mouse_call(cat_a: i32, cat_b: i32, mouse_c: i32) -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/hacker_rank/cat_and_mouse.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn run(args: &[String]) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repeated_string_call`
[INFO] [stderr]  --> src/hacker_rank/repeated_string.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn repeated_string_call(s: &String, n: usize) -> usize {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `str_length`
[INFO] [stderr]   --> src/hacker_rank/repeated_string.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn str_length(str_to_check: &str) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/hacker_rank/repeated_string.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn run(args: &[String]) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `substring`
[INFO] [stderr]  --> src/hacker_rank/mod.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn substring(s: &str, start: usize, len: usize) -> &str {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `str_to_check` is never read
[INFO] [stderr]   --> src/hacker_rank/repeated_string.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 |       str_to_check = substring(str_to_check, 0, n);      
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hacker_rank_action`
[INFO] [stderr]  --> src/hacker_rank/command.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn hacker_rank_action(c: &Context) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `problem_not_found`
[INFO] [stderr]   --> src/hacker_rank/command.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn problem_not_found() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get`
[INFO] [stderr]   --> src/hacker_rank/command.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn get() -> Command {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cat_and_mouse_call`
[INFO] [stderr]  --> src/hacker_rank/cat_and_mouse.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn cat_and_mouse_call(cat_a: i32, cat_b: i32, mouse_c: i32) -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/hacker_rank/cat_and_mouse.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn run(args: &[String]) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repeated_string_call`
[INFO] [stderr]  --> src/hacker_rank/repeated_string.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn repeated_string_call(s: &String, n: usize) -> usize {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `str_length`
[INFO] [stderr]   --> src/hacker_rank/repeated_string.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn str_length(str_to_check: &str) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/hacker_rank/repeated_string.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn run(args: &[String]) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `substring`
[INFO] [stderr]  --> src/hacker_rank/mod.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn substring(s: &str, start: usize, len: usize) -> &str {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ErrorKind`
[INFO] [stderr]  --> src/commands/screenplay.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use nom::error::{ErrorKind, VerboseError};
[INFO] [stderr]   |                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `str_to_check` is never read
[INFO] [stderr]   --> src/hacker_rank/repeated_string.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 |       str_to_check = substring(str_to_check, 0, n);      
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusties-6a2723ef97ab2ae7
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusties-f3110e1dcfe4453a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusties
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24a00fd15685294a0de77a6222f9b2ee17faa90d3f3acbbf2e36c9c421550831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a00fd15685294a0de77a6222f9b2ee17faa90d3f3acbbf2e36c9c421550831", kill_on_drop: false }`
[INFO] [stdout] 24a00fd15685294a0de77a6222f9b2ee17faa90d3f3acbbf2e36c9c421550831