[INFO] cloning repository https://github.com/louisbourque/genetic-programming-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/louisbourque/genetic-programming-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisbourque%2Fgenetic-programming-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisbourque%2Fgenetic-programming-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6196233807d519fad1c7af308e78469ba1c2f22e [INFO] building louisbourque/genetic-programming-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisbourque%2Fgenetic-programming-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/louisbourque/genetic-programming-rust 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 git repo https://github.com/louisbourque/genetic-programming-rust [INFO] finished tweaking git repo https://github.com/louisbourque/genetic-programming-rust [INFO] tweaked toml for git repo https://github.com/louisbourque/genetic-programming-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/louisbourque/genetic-programming-rust 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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 263e129898b0044d69b6155a0a6752c172d251f339f1be43735d8a30ecc05da7 [INFO] running `Command { std: "docker" "start" "-a" "263e129898b0044d69b6155a0a6752c172d251f339f1be43735d8a30ecc05da7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "263e129898b0044d69b6155a0a6752c172d251f339f1be43735d8a30ecc05da7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "263e129898b0044d69b6155a0a6752c172d251f339f1be43735d8a30ecc05da7", kill_on_drop: false }` [INFO] [stdout] 263e129898b0044d69b6155a0a6752c172d251f339f1be43735d8a30ecc05da7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ae69b777ed2125cba91d3b6e8c881b9ad4eb8d49bc2b502d9dbcf32acc05efaa [INFO] running `Command { std: "docker" "start" "-a" "ae69b777ed2125cba91d3b6e8c881b9ad4eb8d49bc2b502d9dbcf32acc05efaa", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling geneticprogramming v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `b_fitness` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let b_fitness = vec![ [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_b_fitness` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c_fitness` [INFO] [stdout] --> src/main.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let c_fitness = vec![ [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c_fitness` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `mutate_prob`, `selection`, and `max_fitness_evals` are never read [INFO] [stdout] --> src/gp.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Config { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | pub mutate_prob: f32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 8 | pub selection: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub max_fitness_evals: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.78s [INFO] running `Command { std: "docker" "inspect" "ae69b777ed2125cba91d3b6e8c881b9ad4eb8d49bc2b502d9dbcf32acc05efaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae69b777ed2125cba91d3b6e8c881b9ad4eb8d49bc2b502d9dbcf32acc05efaa", kill_on_drop: false }` [INFO] [stdout] ae69b777ed2125cba91d3b6e8c881b9ad4eb8d49bc2b502d9dbcf32acc05efaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bf5653f02df42af37a38d1f4c5135834dd7ce81637541847809f16c7bd4c7fc2 [INFO] running `Command { std: "docker" "start" "-a" "bf5653f02df42af37a38d1f4c5135834dd7ce81637541847809f16c7bd4c7fc2", kill_on_drop: false }` [INFO] [stderr] Compiling geneticprogramming v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `b_fitness` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let b_fitness = vec![ [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_b_fitness` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c_fitness` [INFO] [stdout] --> src/main.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let c_fitness = vec![ [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c_fitness` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `mutate_prob`, `selection`, and `max_fitness_evals` are never read [INFO] [stdout] --> src/gp.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Config { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | pub mutate_prob: f32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 8 | pub selection: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub max_fitness_evals: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "bf5653f02df42af37a38d1f4c5135834dd7ce81637541847809f16c7bd4c7fc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf5653f02df42af37a38d1f4c5135834dd7ce81637541847809f16c7bd4c7fc2", kill_on_drop: false }` [INFO] [stdout] bf5653f02df42af37a38d1f4c5135834dd7ce81637541847809f16c7bd4c7fc2