[INFO] updating cached repository https://github.com/Sporious/missionaries_and_cannibals_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] b2bdfde88abaab5e31944f3e8b91297062b93fd8 [INFO] testing Sporious/missionaries_and_cannibals_rust against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FSporious%2Fmissionaries_and_cannibals_rust" "work/builds/worker-7/source"` [INFO] [stderr] Cloning into 'work/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Sporious/missionaries_and_cannibals_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/Sporious/missionaries_and_cannibals_rust [INFO] finished tweaking git repo https://github.com/Sporious/missionaries_and_cannibals_rust [INFO] tweaked toml for git repo https://github.com/Sporious/missionaries_and_cannibals_rust written to work/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Sporious/missionaries_and_cannibals_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] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 1a94b18b29b2922d2a79d152922732ceda3e843a7558309d210a425634b77f41 [INFO] running `"docker" "start" "-a" "1a94b18b29b2922d2a79d152922732ceda3e843a7558309d210a425634b77f41"` [INFO] [stderr] Compiling missionaries_and_cannibals v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:71:29 [INFO] [stderr] | [INFO] [stderr] 71 | fn main() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delim` [INFO] [stderr] --> src/main.rs:26:38 [INFO] [stderr] | [INFO] [stderr] 26 | fn get_count_from_string(line: &str, delim: char) -> usize { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_delim` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cannibals` [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let cannibals = get_count_from_string(line, 'c'); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_cannibals` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `missionaries` [INFO] [stderr] --> src/main.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let missionaries = get_count_from_string(line, 'm'); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_missionaries` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `problem_state` [INFO] [stderr] --> src/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let problem_state = input.lines().fold(ProblemState::default(), |a, l| { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_problem_state` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_missionaries` [INFO] [stderr] --> src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | fn with_missionaries(self, count: usize) -> BankState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_cannibals` [INFO] [stderr] --> src/main.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | fn with_cannibals(self, count: usize) -> BankState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_raft` [INFO] [stderr] --> src/main.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | fn with_raft(self) -> BankState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `"docker" "inspect" "1a94b18b29b2922d2a79d152922732ceda3e843a7558309d210a425634b77f41"` [INFO] running `"docker" "rm" "-f" "1a94b18b29b2922d2a79d152922732ceda3e843a7558309d210a425634b77f41"` [INFO] [stdout] 1a94b18b29b2922d2a79d152922732ceda3e843a7558309d210a425634b77f41 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] dc88ae8692744432f7f07e86b599eb859cc218e8025be9121e6c3cf5b51ddf0a [INFO] running `"docker" "start" "-a" "dc88ae8692744432f7f07e86b599eb859cc218e8025be9121e6c3cf5b51ddf0a"` [INFO] [stderr] Compiling missionaries_and_cannibals v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:71:29 [INFO] [stderr] | [INFO] [stderr] 71 | fn main() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delim` [INFO] [stderr] --> src/main.rs:26:38 [INFO] [stderr] | [INFO] [stderr] 26 | fn get_count_from_string(line: &str, delim: char) -> usize { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_delim` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cannibals` [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let cannibals = get_count_from_string(line, 'c'); [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_cannibals` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `missionaries` [INFO] [stderr] --> src/main.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let missionaries = get_count_from_string(line, 'm'); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_missionaries` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `problem_state` [INFO] [stderr] --> src/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let problem_state = input.lines().fold(ProblemState::default(), |a, l| { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_problem_state` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_missionaries` [INFO] [stderr] --> src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | fn with_missionaries(self, count: usize) -> BankState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_cannibals` [INFO] [stderr] --> src/main.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | fn with_cannibals(self, count: usize) -> BankState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_raft` [INFO] [stderr] --> src/main.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | fn with_raft(self) -> BankState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.94s [INFO] running `"docker" "inspect" "dc88ae8692744432f7f07e86b599eb859cc218e8025be9121e6c3cf5b51ddf0a"` [INFO] running `"docker" "rm" "-f" "dc88ae8692744432f7f07e86b599eb859cc218e8025be9121e6c3cf5b51ddf0a"` [INFO] [stdout] dc88ae8692744432f7f07e86b599eb859cc218e8025be9121e6c3cf5b51ddf0a [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 41ae235e03e028378006a4434e304e0e859f09b84517d7dcef70b233cf791a05 [INFO] running `"docker" "start" "-a" "41ae235e03e028378006a4434e304e0e859f09b84517d7dcef70b233cf791a05"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/missionaries_and_cannibals-a32c390a40209b25 [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" "41ae235e03e028378006a4434e304e0e859f09b84517d7dcef70b233cf791a05"` [INFO] running `"docker" "rm" "-f" "41ae235e03e028378006a4434e304e0e859f09b84517d7dcef70b233cf791a05"` [INFO] [stdout] 41ae235e03e028378006a4434e304e0e859f09b84517d7dcef70b233cf791a05