[INFO] cloning repository https://github.com/jeremyletang/trueskill-rs [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyletang%2Ftrueskill-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9ef44f2c5695636836303c7cb1fdede1ac7804cd [INFO] checking jeremyletang/trueskill-rs against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyletang%2Ftrueskill-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeremyletang/trueskill-rs on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4/source/Cargo.toml [INFO] crate git repo https://github.com/jeremyletang/trueskill-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-4/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6de50cb13cebc2db3368028034cb37c684111450c95fc0dbccc3e32dbb593d5 [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" "c6de50cb13cebc2db3368028034cb37c684111450c95fc0dbccc3e32dbb593d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6de50cb13cebc2db3368028034cb37c684111450c95fc0dbccc3e32dbb593d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6de50cb13cebc2db3368028034cb37c684111450c95fc0dbccc3e32dbb593d5", kill_on_drop: false }` [INFO] [stdout] c6de50cb13cebc2db3368028034cb37c684111450c95fc0dbccc3e32dbb593d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee2d3be8f66b3becac4e14e1926baa016f01e22979f5a06c22f95d6ed179512c [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" "ee2d3be8f66b3becac4e14e1926baa016f01e22979f5a06c22f95d6ed179512c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.0 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking trueskill v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/math.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / (F::one() / (cast::(2f64).unwrap() * [INFO] [stdout] 32 | | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stdout] 33 | | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp()) [INFO] [stdout] | |____________________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 31 | F::one() / (cast::(2f64).unwrap() * [INFO] [stdout] 32 | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stdout] 33 | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `complementary_error` [INFO] [stdout] --> src/math.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn complementary_error(x: F) -> F { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `cumulative_distribution` [INFO] [stdout] --> src/math.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn cumulative_distribution(x: F, mu: Option, sigma: Option) -> F { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `probability_density` [INFO] [stdout] --> src/math.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn probability_density(x: F, mu: Option, sigma: Option) -> F { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `complementary_error_inv` [INFO] [stdout] --> src/math.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn complementary_error_inv(mut y: F) -> F { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `cumulative_distribution_inv` [INFO] [stdout] --> src/math.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn cumulative_distribution_inv(x: F, mu: Option, sigma: Option) -> F { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/math.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / (F::one() / (cast::(2f64).unwrap() * [INFO] [stdout] 32 | | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stdout] 33 | | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp()) [INFO] [stdout] | |____________________________________________________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 31 | F::one() / (cast::(2f64).unwrap() * [INFO] [stdout] 32 | cast::(::std::f64::consts::PI).unwrap()).sqrt() * sigma_.abs() * [INFO] [stdout] 33 | (-((((x - mu_) / sigma_.abs())).powi(2) / cast::(2f64).unwrap())).exp() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `complementary_error_inv` [INFO] [stdout] --> src/math.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn complementary_error_inv(mut y: F) -> F { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `cumulative_distribution_inv` [INFO] [stdout] --> src/math.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn cumulative_distribution_inv(x: F, mu: Option, sigma: Option) -> F { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.62s [INFO] running `Command { std: "docker" "inspect" "ee2d3be8f66b3becac4e14e1926baa016f01e22979f5a06c22f95d6ed179512c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee2d3be8f66b3becac4e14e1926baa016f01e22979f5a06c22f95d6ed179512c", kill_on_drop: false }` [INFO] [stdout] ee2d3be8f66b3becac4e14e1926baa016f01e22979f5a06c22f95d6ed179512c