[INFO] updating cached repository https://github.com/Akavall/Simulations-in-Rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9952c478819ea1e8fe827c5de337e40e0e0f5df0
[INFO] testing Akavall/Simulations-in-Rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkavall%2FSimulations-in-Rust" "work/builds/worker-10/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Akavall/Simulations-in-Rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Akavall/Simulations-in-Rust
[INFO] finished tweaking git repo https://github.com/Akavall/Simulations-in-Rust
[INFO] tweaked toml for git repo https://github.com/Akavall/Simulations-in-Rust written to work/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Akavall/Simulations-in-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] cc959eb0f4c5aaba1766339c8962f4ea53503390992e4bb7f00dd9202c4f8eed
[INFO] running `"docker" "start" "-a" "cc959eb0f4c5aaba1766339c8962f4ea53503390992e4bb7f00dd9202c4f8eed"`
[INFO] [stderr]    Compiling simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `num::traits::Float`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num::traits::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/math_tools.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 |     for i in (1..(n+1)) {
[INFO] [stderr]   |              ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/simulation_part.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for _ in (0..n_iterations) {
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/simulation_part.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     for i in (2..(n_turns * 2)) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/simulation_part.rs:37:14
[INFO] [stderr]    |
[INFO] [stderr] 37 |     for _ in (0..n_iterations) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/analytics.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 |     for i in (1..(n_turns + 1)) {
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/analytics.rs:16:32
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let catalan = calc_catalan((n-1));
[INFO] [stderr]    |                                ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/analytics_combs.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 |     for i in (1..(n_turns + 1)) {
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> src/simulation_combs.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in 0..n_simulations {
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     for i in 0..(n * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_turns_float`
[INFO] [stderr]  --> src/analytics.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let n_turns_float = n_turns as f64;
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_n_turns_float`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_turns_float`
[INFO] [stderr]  --> src/analytics_combs.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let n_turns_float = n_turns as f64;
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_n_turns_float`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_f64`
[INFO] [stderr]   --> src/analytics_combs.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let n_f64 = n as f64;
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_n_f64`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> src/simulation_combs_w_break.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in 0..n_simulations {
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     for i in 0..(n_1 * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     for i in 0..(n_2 * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     for i in 0..n_simulations {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     for i in 0..(n_1 * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     for i in 0..(n_2 * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_conv_dist`
[INFO] [stderr]  --> src/simulation_part.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn gen_conv_dist(prob_down: f64, n_turns: i32, n_iterations: i32) -> HashMap<i32, i32> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_conv_one_run`
[INFO] [stderr]   --> src/simulation_part.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn gen_conv_one_run(prob_down: f64, n_turns: i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_expected_crosses`
[INFO] [stderr]   --> src/simulation_part.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn gen_expected_crosses(prob_down: f64, n_turns: i32, n_iterations: i32) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_n_convs_one_run`
[INFO] [stderr]   --> src/simulation_part.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn gen_n_convs_one_run(prob_down: f64, n_turns: i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "cc959eb0f4c5aaba1766339c8962f4ea53503390992e4bb7f00dd9202c4f8eed"`
[INFO] running `"docker" "rm" "-f" "cc959eb0f4c5aaba1766339c8962f4ea53503390992e4bb7f00dd9202c4f8eed"`
[INFO] [stdout] cc959eb0f4c5aaba1766339c8962f4ea53503390992e4bb7f00dd9202c4f8eed
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d4d6eee96149e030b4c4ca6dcdb79c37b877cd0d8d7663628891418391dd820c
[INFO] running `"docker" "start" "-a" "d4d6eee96149e030b4c4ca6dcdb79c37b877cd0d8d7663628891418391dd820c"`
[INFO] [stderr]    Compiling simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `num::traits::Float`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num::traits::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/math_tools.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 |     for i in (1..(n+1)) {
[INFO] [stderr]   |              ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/simulation_part.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for _ in (0..n_iterations) {
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/simulation_part.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     for i in (2..(n_turns * 2)) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/simulation_part.rs:37:14
[INFO] [stderr]    |
[INFO] [stderr] 37 |     for _ in (0..n_iterations) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/analytics.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 |     for i in (1..(n_turns + 1)) {
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/analytics.rs:16:32
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let catalan = calc_catalan((n-1));
[INFO] [stderr]    |                                ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/analytics_combs.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 |     for i in (1..(n_turns + 1)) {
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> src/simulation_combs.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in 0..n_simulations {
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     for i in 0..(n * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_turns_float`
[INFO] [stderr]  --> src/analytics.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let n_turns_float = n_turns as f64;
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_n_turns_float`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_turns_float`
[INFO] [stderr]  --> src/analytics_combs.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let n_turns_float = n_turns as f64;
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_n_turns_float`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_f64`
[INFO] [stderr]   --> src/analytics_combs.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let n_f64 = n as f64;
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_n_f64`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> src/simulation_combs_w_break.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in 0..n_simulations {
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     for i in 0..(n_1 * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     for i in 0..(n_2 * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     for i in 0..n_simulations {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     for i in 0..(n_1 * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/simulation_combs_w_break.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     for i in 0..(n_2 * 2) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_conv_dist`
[INFO] [stderr]  --> src/simulation_part.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn gen_conv_dist(prob_down: f64, n_turns: i32, n_iterations: i32) -> HashMap<i32, i32> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_conv_one_run`
[INFO] [stderr]   --> src/simulation_part.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn gen_conv_one_run(prob_down: f64, n_turns: i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_expected_crosses`
[INFO] [stderr]   --> src/simulation_part.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn gen_expected_crosses(prob_down: f64, n_turns: i32, n_iterations: i32) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_n_convs_one_run`
[INFO] [stderr]   --> src/simulation_part.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn gen_n_convs_one_run(prob_down: f64, n_turns: i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "d4d6eee96149e030b4c4ca6dcdb79c37b877cd0d8d7663628891418391dd820c"`
[INFO] running `"docker" "rm" "-f" "d4d6eee96149e030b4c4ca6dcdb79c37b877cd0d8d7663628891418391dd820c"`
[INFO] [stdout] d4d6eee96149e030b4c4ca6dcdb79c37b877cd0d8d7663628891418391dd820c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 8fecf1250181c208ac6500c10eadeceb95f6c85c3522ff16015057b919a9c249
[INFO] running `"docker" "start" "-a" "8fecf1250181c208ac6500c10eadeceb95f6c85c3522ff16015057b919a9c249"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simulation-c98375c2ec73a3a3
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8fecf1250181c208ac6500c10eadeceb95f6c85c3522ff16015057b919a9c249"`
[INFO] running `"docker" "rm" "-f" "8fecf1250181c208ac6500c10eadeceb95f6c85c3522ff16015057b919a9c249"`
[INFO] [stdout] 8fecf1250181c208ac6500c10eadeceb95f6c85c3522ff16015057b919a9c249