[INFO] fetching crate genetic-algorithm-fn 0.1.0...
[INFO] building genetic-algorithm-fn-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate genetic-algorithm-fn 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate genetic-algorithm-fn 0.1.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genetic-algorithm-fn 0.1.0
[INFO] finished tweaking crates.io crate genetic-algorithm-fn 0.1.0
[INFO] tweaked toml for crates.io crate genetic-algorithm-fn 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate genetic-algorithm-fn 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded genetic-algorithm-traits v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d414e47b8c76b9bce978e98461593c294dfd24fca08f6e0a7b6bfaba951785a8
[INFO] running `Command { std: "docker" "start" "-a" "d414e47b8c76b9bce978e98461593c294dfd24fca08f6e0a7b6bfaba951785a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d414e47b8c76b9bce978e98461593c294dfd24fca08f6e0a7b6bfaba951785a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d414e47b8c76b9bce978e98461593c294dfd24fca08f6e0a7b6bfaba951785a8", kill_on_drop: false }`
[INFO] [stdout] d414e47b8c76b9bce978e98461593c294dfd24fca08f6e0a7b6bfaba951785a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0d0b72fa7ee0911321582264c5c5a20ad0aba85a2f5b573f8adc1b9306b2a8
[INFO] running `Command { std: "docker" "start" "-a" "9c0d0b72fa7ee0911321582264c5c5a20ad0aba85a2f5b573f8adc1b9306b2a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling genetic-algorithm-traits v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling genetic-algorithm-fn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/solutions.rs:159:58
[INFO] [stdout]     |
[INFO] [stdout] 88  | impl<'a> Population<'a> for Solutions {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn iter(&'a self) -> std::collections::hash_set::Iter<Solution> {
[INFO] [stdout]     |                                                          ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/test_functions.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test_functions.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/test_functions.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         use super::*;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test_functions.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     mod test_full_function {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/test_functions.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         use super::*;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test_functions.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     mod test_inner_function {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triple_multiplication` is never used
[INFO] [stdout]  --> src/test_objects.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn triple_multiplication() -> fn(Vec<f64>) -> Result<f64, function::FunctionError> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "9c0d0b72fa7ee0911321582264c5c5a20ad0aba85a2f5b573f8adc1b9306b2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0d0b72fa7ee0911321582264c5c5a20ad0aba85a2f5b573f8adc1b9306b2a8", kill_on_drop: false }`
[INFO] [stdout] 9c0d0b72fa7ee0911321582264c5c5a20ad0aba85a2f5b573f8adc1b9306b2a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7987a0020e16e285c3934a6c28006e7f45b6b88dc25eb68b98ec8f55b1df0e07
[INFO] running `Command { std: "docker" "start" "-a" "7987a0020e16e285c3934a6c28006e7f45b6b88dc25eb68b98ec8f55b1df0e07", kill_on_drop: false }`
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/solutions.rs:159:58
[INFO] [stdout]     |
[INFO] [stdout] 88  | impl<'a> Population<'a> for Solutions {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn iter(&'a self) -> std::collections::hash_set::Iter<Solution> {
[INFO] [stdout]     |                                                          ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/test_functions.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test_functions.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling genetic-algorithm-fn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/test_functions.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         use super::*;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test_functions.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     mod test_full_function {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/test_functions.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         use super::*;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/test_functions.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     mod test_inner_function {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triple_multiplication` is never used
[INFO] [stdout]  --> src/test_objects.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn triple_multiplication() -> fn(Vec<f64>) -> Result<f64, function::FunctionError> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: duplicated attribute
[INFO] [stdout]    --> src/solution.rs:456:13
[INFO] [stdout]     |
[INFO] [stdout] 456 |             #[test]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(duplicate_macro_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: duplicated attribute
[INFO] [stdout]    --> src/solution.rs:457:13
[INFO] [stdout]     |
[INFO] [stdout] 457 |             #[test]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: duplicated attribute
[INFO] [stdout]    --> src/solution.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |             #[test]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: duplicated attribute
[INFO] [stdout]    --> src/solution.rs:459:13
[INFO] [stdout]     |
[INFO] [stdout] 459 |             #[test]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: duplicated attribute
[INFO] [stdout]    --> src/solution.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |             #[test]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/solutions.rs:159:58
[INFO] [stdout]     |
[INFO] [stdout] 88  | impl<'a> Population<'a> for Solutions {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 159 |     fn iter(&'a self) -> std::collections::hash_set::Iter<Solution> {
[INFO] [stdout]     |                                                          ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "7987a0020e16e285c3934a6c28006e7f45b6b88dc25eb68b98ec8f55b1df0e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7987a0020e16e285c3934a6c28006e7f45b6b88dc25eb68b98ec8f55b1df0e07", kill_on_drop: false }`
[INFO] [stdout] 7987a0020e16e285c3934a6c28006e7f45b6b88dc25eb68b98ec8f55b1df0e07