[INFO] cloning repository https://github.com/danreeves/rust-tests [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danreeves/rust-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Frust-tests"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Frust-tests'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 14017c607dbca26f2ae9f27500d46a91aaed3402 [INFO] testing danreeves/rust-tests against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Frust-tests" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danreeves/rust-tests on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/danreeves/rust-tests [INFO] finished tweaking git repo https://github.com/danreeves/rust-tests [INFO] tweaked toml for git repo https://github.com/danreeves/rust-tests written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/danreeves/rust-tests already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dff373c30949e718795bd2a74068f9d22a74e685b7abdc1e50bf13b381e45dec [INFO] running `"docker" "start" "-a" "dff373c30949e718795bd2a74068f9d22a74e685b7abdc1e50bf13b381e45dec"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling rand v0.5.1 [INFO] [stderr] Compiling rust-tests v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::cmp::PartialOrd` [INFO] [stderr] --> src/generics.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cmp::PartialOrd; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/hashmaps.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::another::thing` [INFO] [stderr] --> src/modules/mod.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use self::another::thing; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DerefMut`, `Deref` [INFO] [stderr] --> src/smart_pointers.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ops::{Deref, DerefMut}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Any`, `TypeId` [INFO] [stderr] --> src/structs.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::any::{Any, TypeId}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::f32::consts::PI` [INFO] [stderr] --> src/structs.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::f32::consts::PI; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0601]: `main` function not found in crate `rust_tests` [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / mod arithmetic; [INFO] [stderr] 2 | | mod borrowing; [INFO] [stderr] 3 | | mod closures; [INFO] [stderr] 4 | | mod enums; [INFO] [stderr] ... | [INFO] [stderr] 24 | | assert!(true) [INFO] [stderr] 25 | | } [INFO] [stderr] | |_^ consider adding a `main` function to `src/main.rs` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 6 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [INFO] [stderr] error: could not compile `rust-tests`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "dff373c30949e718795bd2a74068f9d22a74e685b7abdc1e50bf13b381e45dec"` [INFO] running `"docker" "rm" "-f" "dff373c30949e718795bd2a74068f9d22a74e685b7abdc1e50bf13b381e45dec"` [INFO] [stdout] dff373c30949e718795bd2a74068f9d22a74e685b7abdc1e50bf13b381e45dec