[INFO] fetching crate genetic-algorithm-fn 0.1.0... [INFO] checking genetic-algorithm-fn-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [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 ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9873a500f14fe7f5bc60aed44be743f98c101e87d40a55626576285973ae875 [INFO] running `Command { std: "docker" "start" "-a" "b9873a500f14fe7f5bc60aed44be743f98c101e87d40a55626576285973ae875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9873a500f14fe7f5bc60aed44be743f98c101e87d40a55626576285973ae875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9873a500f14fe7f5bc60aed44be743f98c101e87d40a55626576285973ae875", kill_on_drop: false }` [INFO] [stdout] b9873a500f14fe7f5bc60aed44be743f98c101e87d40a55626576285973ae875 [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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80833e4ccbc8d59ab622d3d2cacb0f199208c5107e2458481361a19ff4c4fa5f [INFO] running `Command { std: "docker" "start" "-a" "80833e4ccbc8d59ab622d3d2cacb0f199208c5107e2458481361a19ff4c4fa5f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking genetic-algorithm-traits v0.1.0 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking genetic-algorithm-fn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/solutions.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [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: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] [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: the item `Hash` is imported redundantly [INFO] [stdout] --> src/solution.rs:410:29 [INFO] [stdout] | [INFO] [stdout] 408 | use super::*; [INFO] [stdout] | -------- the item `Hash` is already imported here [INFO] [stdout] 409 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] 410 | use std::hash::{Hash, Hasher}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Hasher` is imported redundantly [INFO] [stdout] --> src/solution.rs:410:35 [INFO] [stdout] | [INFO] [stdout] 408 | use super::*; [INFO] [stdout] | -------- the item `Hasher` is already imported here [INFO] [stdout] 409 | use std::collections::hash_map::DefaultHasher; [INFO] [stdout] 410 | use std::hash::{Hash, Hasher}; [INFO] [stdout] | ^^^^^^ [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: the item `From` is imported redundantly [INFO] [stdout] --> src/solutions.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [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) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 1.53s [INFO] running `Command { std: "docker" "inspect" "80833e4ccbc8d59ab622d3d2cacb0f199208c5107e2458481361a19ff4c4fa5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80833e4ccbc8d59ab622d3d2cacb0f199208c5107e2458481361a19ff4c4fa5f", kill_on_drop: false }` [INFO] [stdout] 80833e4ccbc8d59ab622d3d2cacb0f199208c5107e2458481361a19ff4c4fa5f [INFO] checking genetic-algorithm-fn-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate genetic-algorithm-fn 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate genetic-algorithm-fn 0.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 362e53068101d42c8b4caaff88cdc23971500631f3b4ebd554da87f3a935591a [INFO] running `Command { std: "docker" "start" "-a" "362e53068101d42c8b4caaff88cdc23971500631f3b4ebd554da87f3a935591a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "362e53068101d42c8b4caaff88cdc23971500631f3b4ebd554da87f3a935591a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "362e53068101d42c8b4caaff88cdc23971500631f3b4ebd554da87f3a935591a", kill_on_drop: false }` [INFO] [stdout] 362e53068101d42c8b4caaff88cdc23971500631f3b4ebd554da87f3a935591a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df82d9faa2378e1de0097a37b8fa8678e857e5593775983b0c27a224f36b970f [INFO] running `Command { std: "docker" "start" "-a" "df82d9faa2378e1de0097a37b8fa8678e857e5593775983b0c27a224f36b970f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking genetic-algorithm-traits v0.1.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.7/src/sync/parker.rs:366:25 [INFO] [stdout] | [INFO] [stdout] 366 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 367 | | NOTIFIED | PARKED => return, [INFO] [stdout] 368 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 369 | | }; [INFO] [stdout] | |_________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "df82d9faa2378e1de0097a37b8fa8678e857e5593775983b0c27a224f36b970f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df82d9faa2378e1de0097a37b8fa8678e857e5593775983b0c27a224f36b970f", kill_on_drop: false }` [INFO] [stdout] df82d9faa2378e1de0097a37b8fa8678e857e5593775983b0c27a224f36b970f