[INFO] cloning repository https://github.com/sacooper/GeneticAlgorithms-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sacooper/GeneticAlgorithms-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsacooper%2FGeneticAlgorithms-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsacooper%2FGeneticAlgorithms-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3f1bea271ed5efeadffaccb61f5f113a6bf5e60
[INFO] checking sacooper/GeneticAlgorithms-Rust against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsacooper%2FGeneticAlgorithms-Rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sacooper/GeneticAlgorithms-Rust on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sacooper/GeneticAlgorithms-Rust
[INFO] finished tweaking git repo https://github.com/sacooper/GeneticAlgorithms-Rust
[INFO] tweaked toml for git repo https://github.com/sacooper/GeneticAlgorithms-Rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sacooper/GeneticAlgorithms-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4eba6a5a211f45e1581d5bbb6df25fd43bfba50146937cdc5c0da22365b2d330
[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" "4eba6a5a211f45e1581d5bbb6df25fd43bfba50146937cdc5c0da22365b2d330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eba6a5a211f45e1581d5bbb6df25fd43bfba50146937cdc5c0da22365b2d330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eba6a5a211f45e1581d5bbb6df25fd43bfba50146937cdc5c0da22365b2d330", kill_on_drop: false }`
[INFO] [stdout] 4eba6a5a211f45e1581d5bbb6df25fd43bfba50146937cdc5c0da22365b2d330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e0c811c25a98986f33d59eaf2d633b5877742d4e62418997a64b7ad470ec78
[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" "a4e0c811c25a98986f33d59eaf2d633b5877742d4e62418997a64b7ad470ec78", kill_on_drop: false }`
[INFO] [stderr]     Checking parallel v0.0.0 (https://github.com/japaric/parallel.rs#ad3e60d5)
[INFO] [stdout] error[E0432]: unresolved import `std::thread::JoinGuard`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/parallel.rs-8c5334aac900dd4d/ad3e60d/src/lib.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::thread::{JoinGuard, Thread};
[INFO] [stdout]    |                   ^^^^^^^^^ no `JoinGuard` in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/parallel.rs-8c5334aac900dd4d/ad3e60d/src/divide.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{cmp, iter, mem, raw};
[INFO] [stdout]   |                           ^^^ no `raw` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range_step` in module `iter`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/parallel.rs-8c5334aac900dd4d/ad3e60d/src/divide.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let threads = iter::range_step(0, len, granularity).map(|offset| {
[INFO] [stdout]    |                         ^^^^^^^^^^ not found in `iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `RawPtr<T>: Clone` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/parallel.rs-8c5334aac900dd4d/ad3e60d/src/divide.rs:7:9
[INFO] [stdout]     |
[INFO] [stdout] 7   | impl<T> Copy for RawPtr<T> {}
[INFO] [stdout]     |         ^^^^ the trait `Clone` is not implemented for `RawPtr<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parallel`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a4e0c811c25a98986f33d59eaf2d633b5877742d4e62418997a64b7ad470ec78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e0c811c25a98986f33d59eaf2d633b5877742d4e62418997a64b7ad470ec78", kill_on_drop: false }`
[INFO] [stdout] a4e0c811c25a98986f33d59eaf2d633b5877742d4e62418997a64b7ad470ec78