[INFO] cloning repository https://github.com/emanuelmch/rustoy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emanuelmch/rustoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanuelmch%2Frustoy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanuelmch%2Frustoy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cb205b8f789103f2929b94b4f37d7f2f09e2cea5 [INFO] checking emanuelmch/rustoy against master#0c478fdfe138a8b09744798c85fe2be657768b00 for pr-139419 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanuelmch%2Frustoy" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emanuelmch/rustoy on toolchain 0c478fdfe138a8b09744798c85fe2be657768b00 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emanuelmch/rustoy [INFO] finished tweaking git repo https://github.com/emanuelmch/rustoy [INFO] tweaked toml for git repo https://github.com/emanuelmch/rustoy written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/emanuelmch/rustoy 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" "+0c478fdfe138a8b09744798c85fe2be657768b00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e22082a884929fcf4101da45c1edeceddd5558e478f04bfe1908a4f1b99d527c [INFO] running `Command { std: "docker" "start" "-a" "e22082a884929fcf4101da45c1edeceddd5558e478f04bfe1908a4f1b99d527c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e22082a884929fcf4101da45c1edeceddd5558e478f04bfe1908a4f1b99d527c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e22082a884929fcf4101da45c1edeceddd5558e478f04bfe1908a4f1b99d527c", kill_on_drop: false }` [INFO] [stdout] e22082a884929fcf4101da45c1edeceddd5558e478f04bfe1908a4f1b99d527c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f330ba14606f77897c333e83c79764a145c8efd11e0acef524c0dc0d601bd7e2 [INFO] running `Command { std: "docker" "start" "-a" "f330ba14606f77897c333e83c79764a145c8efd11e0acef524c0dc0d601bd7e2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rustoy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the type `[Chromosome; 8]` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:78:34 [INFO] [stdout] | [INFO] [stdout] 78 | let mut offspring = unsafe { MaybeUninit::<[Chromosome; ELITE]>::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | genes: [i8; CHROMOSOME_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Chromosome; 40]` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:89:41 [INFO] [stdout] | [INFO] [stdout] 89 | let mut final_population = unsafe { MaybeUninit::<[Chromosome; POPULATION_SIZE]>::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | genes: [i8; CHROMOSOME_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Chromosome; 40]` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:121:35 [INFO] [stdout] | [INFO] [stdout] 121 | let mut population = unsafe { MaybeUninit::<[Chromosome; POPULATION_SIZE]>::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | genes: [i8; CHROMOSOME_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Chromosome; 8]` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:78:34 [INFO] [stdout] | [INFO] [stdout] 78 | let mut offspring = unsafe { MaybeUninit::<[Chromosome; ELITE]>::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | genes: [i8; CHROMOSOME_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Chromosome; 40]` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:89:41 [INFO] [stdout] | [INFO] [stdout] 89 | let mut final_population = unsafe { MaybeUninit::<[Chromosome; POPULATION_SIZE]>::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | genes: [i8; CHROMOSOME_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Chromosome; 40]` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:121:35 [INFO] [stdout] | [INFO] [stdout] 121 | let mut population = unsafe { MaybeUninit::<[Chromosome; POPULATION_SIZE]>::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | genes: [i8; CHROMOSOME_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s [INFO] running `Command { std: "docker" "inspect" "f330ba14606f77897c333e83c79764a145c8efd11e0acef524c0dc0d601bd7e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f330ba14606f77897c333e83c79764a145c8efd11e0acef524c0dc0d601bd7e2", kill_on_drop: false }` [INFO] [stdout] f330ba14606f77897c333e83c79764a145c8efd11e0acef524c0dc0d601bd7e2