[INFO] updating cached repository https://github.com/Klapeyron/Markov [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 62d4cd1839e0f7fc96beeaa6dc2a1efb829e1b94 [INFO] testing Klapeyron/Markov against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKlapeyron%2FMarkov" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Klapeyron/Markov on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Klapeyron/Markov [INFO] finished tweaking git repo https://github.com/Klapeyron/Markov [INFO] tweaked toml for git repo https://github.com/Klapeyron/Markov written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/Klapeyron/Markov already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0e5d7ba2fda23ad9905ebb102fd21483b9346923a5cab0156bfba07fa22bbf6 [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" "f0e5d7ba2fda23ad9905ebb102fd21483b9346923a5cab0156bfba07fa22bbf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0e5d7ba2fda23ad9905ebb102fd21483b9346923a5cab0156bfba07fa22bbf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0e5d7ba2fda23ad9905ebb102fd21483b9346923a5cab0156bfba07fa22bbf6", kill_on_drop: false }` [INFO] [stdout] f0e5d7ba2fda23ad9905ebb102fd21483b9346923a5cab0156bfba07fa22bbf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7eee32476b26dbf331ec58cbca8e3be8f55e32058f9c8f028ff26d62de047a06 [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" "7eee32476b26dbf331ec58cbca8e3be8f55e32058f9c8f028ff26d62de047a06", kill_on_drop: false }` [INFO] [stderr] Compiling markov v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/markov.rs:206:79 [INFO] [stdout] | [INFO] [stdout] 206 | fn evaluate_action(self: &Markov, action: &Action, x: usize, y: usize) -> (f64) { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/markov.rs:87:19 [INFO] [stdout] | [INFO] [stdout] 87 | &Some(ref value) => write!(f, "{:?}, {:?}", self.state, self.action.clone().unwrap()), [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/markov.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn new() -> MarkovBuilder { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_size` [INFO] [stdout] --> src/markov.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 132 | fn set_size(&mut self, x: usize, y: usize) -> &mut MarkovBuilder { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_state` [INFO] [stdout] --> src/markov.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 137 | fn set_state(&mut self, state: State, x: usize, y: usize) -> &mut MarkovBuilder { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/markov.rs:171:8 [INFO] [stdout] | [INFO] [stdout] 171 | fn new() -> Markov { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/matrix.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | write!(f, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/matrix.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | write!(f, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/matrix.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | write!(f, "[{:?}], ", elem); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.37s [INFO] running `Command { std: "docker" "inspect" "7eee32476b26dbf331ec58cbca8e3be8f55e32058f9c8f028ff26d62de047a06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eee32476b26dbf331ec58cbca8e3be8f55e32058f9c8f028ff26d62de047a06", kill_on_drop: false }` [INFO] [stdout] 7eee32476b26dbf331ec58cbca8e3be8f55e32058f9c8f028ff26d62de047a06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78b6600755ed8cd8ab3cc6d3dbbd80d13484a424e8766cfc067b518617383a50 [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" "78b6600755ed8cd8ab3cc6d3dbbd80d13484a424e8766cfc067b518617383a50", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling markov v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/markov.rs:206:79 [INFO] [stdout] | [INFO] [stdout] 206 | fn evaluate_action(self: &Markov, action: &Action, x: usize, y: usize) -> (f64) { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/markov.rs:87:19 [INFO] [stdout] | [INFO] [stdout] 87 | &Some(ref value) => write!(f, "{:?}, {:?}", self.state, self.action.clone().unwrap()), [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/markov.rs:333:9 [INFO] [stdout] | [INFO] [stdout] 333 | let mut markov: Markov = MarkovBuilder::new() [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/markov.rs:348:9 [INFO] [stdout] | [INFO] [stdout] 348 | let mut markov: Markov = MarkovBuilder::new() [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/markov.rs:380:9 [INFO] [stdout] | [INFO] [stdout] 380 | let mut markov: Markov = MarkovBuilder::new() [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/markov.rs:428:9 [INFO] [stdout] | [INFO] [stdout] 428 | let mut markov: Markov = MarkovBuilder::new() [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_size` [INFO] [stdout] --> src/markov.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 132 | fn set_size(&mut self, x: usize, y: usize) -> &mut MarkovBuilder { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/markov.rs:171:8 [INFO] [stdout] | [INFO] [stdout] 171 | fn new() -> Markov { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/matrix.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | write!(f, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/matrix.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | write!(f, "\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/matrix.rs:55:17 [INFO] [stdout] | [INFO] [stdout] 55 | write!(f, "[{:?}], ", elem); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.36s [INFO] running `Command { std: "docker" "inspect" "78b6600755ed8cd8ab3cc6d3dbbd80d13484a424e8766cfc067b518617383a50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78b6600755ed8cd8ab3cc6d3dbbd80d13484a424e8766cfc067b518617383a50", kill_on_drop: false }` [INFO] [stdout] 78b6600755ed8cd8ab3cc6d3dbbd80d13484a424e8766cfc067b518617383a50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b5155d009fb4341053da906f81506e6370a79d38c046b833c597fd3d883e2f53 [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" "b5155d009fb4341053da906f81506e6370a79d38c046b833c597fd3d883e2f53", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/markov.rs:206:79 [INFO] [stderr] | [INFO] [stderr] 206 | fn evaluate_action(self: &Markov, action: &Action, x: usize, y: usize) -> (f64) { [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/markov.rs:87:19 [INFO] [stderr] | [INFO] [stderr] 87 | &Some(ref value) => write!(f, "{:?}, {:?}", self.state, self.action.clone().unwrap()), [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/markov.rs:333:9 [INFO] [stderr] | [INFO] [stderr] 333 | let mut markov: Markov = MarkovBuilder::new() [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/markov.rs:348:9 [INFO] [stderr] | [INFO] [stderr] 348 | let mut markov: Markov = MarkovBuilder::new() [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/markov.rs:380:9 [INFO] [stderr] | [INFO] [stderr] 380 | let mut markov: Markov = MarkovBuilder::new() [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/markov.rs:428:9 [INFO] [stderr] | [INFO] [stderr] 428 | let mut markov: Markov = MarkovBuilder::new() [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_size` [INFO] [stderr] --> src/markov.rs:132:8 [INFO] [stderr] | [INFO] [stderr] 132 | fn set_size(&mut self, x: usize, y: usize) -> &mut MarkovBuilder { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/markov.rs:171:8 [INFO] [stderr] | [INFO] [stderr] 171 | fn new() -> Markov { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/matrix.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | write!(f, "["); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/matrix.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | write!(f, "\n"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/matrix.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | write!(f, "[{:?}], ", elem); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/markov-e1d0cc161b2c426b [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test markov::calculate_evaluation_of_action ... ignored [INFO] [stdout] test markov::not_allow_immutable_state_update ... ignored [INFO] [stdout] test markov::not_allow_normal_state_update_from_different_type ... ignored [INFO] [stdout] test markov::update_normal_state ... ignored [INFO] [stdout] test markov::prepare_standard_world ... ok [INFO] [stdout] test markov::reverse_operation_calculations ... ok [INFO] [stdout] test matrix::return_none_if_accessed_out_of_range ... ok [INFO] [stdout] test markov::calculate_standard_world ... ok [INFO] [stdout] test markov::right_operation_calculations ... ok [INFO] [stdout] test markov::calculate_state_after_action ... ok [INFO] [stdout] test markov::left_operation_calculations ... ok [INFO] [stdout] test matrix::all_fields_are_initialized_corectly ... ok [INFO] [stdout] test matrix::return_false_if_inserted_out_of_range ... ok [INFO] [stdout] test matrix::correct_size ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b5155d009fb4341053da906f81506e6370a79d38c046b833c597fd3d883e2f53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5155d009fb4341053da906f81506e6370a79d38c046b833c597fd3d883e2f53", kill_on_drop: false }` [INFO] [stdout] b5155d009fb4341053da906f81506e6370a79d38c046b833c597fd3d883e2f53