[INFO] cloning repository https://github.com/jeremyletang/trueskill-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremyletang/trueskill-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyletang%2Ftrueskill-rs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyletang%2Ftrueskill-rs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9ef44f2c5695636836303c7cb1fdede1ac7804cd [INFO] testing jeremyletang/trueskill-rs against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyletang%2Ftrueskill-rs" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeremyletang/trueskill-rs on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jeremyletang/trueskill-rs [INFO] finished tweaking git repo https://github.com/jeremyletang/trueskill-rs [INFO] tweaked toml for git repo https://github.com/jeremyletang/trueskill-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/jeremyletang/trueskill-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-3/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 438e2e4ce85204667da833d927ad995840ac44657da063d10119cbfd93b09aeb [INFO] running `"docker" "start" "-a" "438e2e4ce85204667da833d927ad995840ac44657da063d10119cbfd93b09aeb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling trueskill v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/math.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | / (F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp()) [INFO] [stderr] | |____________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 31 | F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: function is never used: `complementary_error` [INFO] [stderr] --> src/math.rs:4:4 [INFO] [stderr] | [INFO] [stderr] 4 | fn complementary_error(x: F) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cumulative_distribution` [INFO] [stderr] --> src/math.rs:18:4 [INFO] [stderr] | [INFO] [stderr] 18 | fn cumulative_distribution(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `probability_density` [INFO] [stderr] --> src/math.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn probability_density(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `complementary_error_inv` [INFO] [stderr] --> src/math.rs:36:4 [INFO] [stderr] | [INFO] [stderr] 36 | fn complementary_error_inv(mut y: F) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cumulative_distribution_inv` [INFO] [stderr] --> src/math.rs:60:4 [INFO] [stderr] | [INFO] [stderr] 60 | fn cumulative_distribution_inv(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.68s [INFO] running `"docker" "inspect" "438e2e4ce85204667da833d927ad995840ac44657da063d10119cbfd93b09aeb"` [INFO] running `"docker" "rm" "-f" "438e2e4ce85204667da833d927ad995840ac44657da063d10119cbfd93b09aeb"` [INFO] [stdout] 438e2e4ce85204667da833d927ad995840ac44657da063d10119cbfd93b09aeb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1be860e44c6e8e7becb5247c143b400812330a723915f298cc417dd30c99a6b4 [INFO] running `"docker" "start" "-a" "1be860e44c6e8e7becb5247c143b400812330a723915f298cc417dd30c99a6b4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling trueskill v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/math.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | / (F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp()) [INFO] [stderr] | |____________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 31 | F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: function is never used: `complementary_error` [INFO] [stderr] --> src/math.rs:4:4 [INFO] [stderr] | [INFO] [stderr] 4 | fn complementary_error(x: F) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cumulative_distribution` [INFO] [stderr] --> src/math.rs:18:4 [INFO] [stderr] | [INFO] [stderr] 18 | fn cumulative_distribution(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `probability_density` [INFO] [stderr] --> src/math.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn probability_density(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `complementary_error_inv` [INFO] [stderr] --> src/math.rs:36:4 [INFO] [stderr] | [INFO] [stderr] 36 | fn complementary_error_inv(mut y: F) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cumulative_distribution_inv` [INFO] [stderr] --> src/math.rs:60:4 [INFO] [stderr] | [INFO] [stderr] 60 | fn cumulative_distribution_inv(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/math.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | / (F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp()) [INFO] [stderr] | |____________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 31 | F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: function is never used: `complementary_error_inv` [INFO] [stderr] --> src/math.rs:36:4 [INFO] [stderr] | [INFO] [stderr] 36 | fn complementary_error_inv(mut y: F) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cumulative_distribution_inv` [INFO] [stderr] --> src/math.rs:60:4 [INFO] [stderr] | [INFO] [stderr] 60 | fn cumulative_distribution_inv(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `"docker" "inspect" "1be860e44c6e8e7becb5247c143b400812330a723915f298cc417dd30c99a6b4"` [INFO] running `"docker" "rm" "-f" "1be860e44c6e8e7becb5247c143b400812330a723915f298cc417dd30c99a6b4"` [INFO] [stdout] 1be860e44c6e8e7becb5247c143b400812330a723915f298cc417dd30c99a6b4 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5e0a4fcd1a8a1a49165c5807134546bd07dd15d594c7865503c92176eb723660 [INFO] running `"docker" "start" "-a" "5e0a4fcd1a8a1a49165c5807134546bd07dd15d594c7865503c92176eb723660"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/math.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | / (F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp()) [INFO] [stderr] | |____________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 31 | F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/math.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | / (F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp()) [INFO] [stderr] | |____________________________________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 31 | F::one() / (cast::(2f64).unwrap() * [INFO] [stderr] 32 | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stderr] 33 | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: function is never used: `complementary_error_inv` [INFO] [stderr] --> src/math.rs:36:4 [INFO] [stderr] | [INFO] [stderr] 36 | fn complementary_error_inv(mut y: F) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cumulative_distribution_inv` [INFO] [stderr] --> src/math.rs:60:4 [INFO] [stderr] | [INFO] [stderr] 60 | fn cumulative_distribution_inv(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: function is never used: `complementary_error` [INFO] [stderr] --> src/math.rs:4:4 [INFO] [stderr] | [INFO] [stderr] 4 | fn complementary_error(x: F) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cumulative_distribution` [INFO] [stderr] --> src/math.rs:18:4 [INFO] [stderr] | [INFO] [stderr] 18 | fn cumulative_distribution(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `probability_density` [INFO] [stderr] --> src/math.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn probability_density(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `complementary_error_inv` [INFO] [stderr] --> src/math.rs:36:4 [INFO] [stderr] | [INFO] [stderr] 36 | fn complementary_error_inv(mut y: F) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cumulative_distribution_inv` [INFO] [stderr] --> src/math.rs:60:4 [INFO] [stderr] | [INFO] [stderr] 60 | fn cumulative_distribution_inv(x: F, mu: Option, sigma: Option) -> F { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/trueskill-f67410337d53cad5 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test math::with_f64 ... ok [INFO] [stdout] test math::with_f32 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests trueskill [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" "5e0a4fcd1a8a1a49165c5807134546bd07dd15d594c7865503c92176eb723660"` [INFO] running `"docker" "rm" "-f" "5e0a4fcd1a8a1a49165c5807134546bd07dd15d594c7865503c92176eb723660"` [INFO] [stdout] 5e0a4fcd1a8a1a49165c5807134546bd07dd15d594c7865503c92176eb723660