[INFO] updating cached repository https://github.com/Lenqth/rs-jong
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/Lenqth/rs-jong
[INFO] [stderr]    e380ae0..40cc986  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40cc9862fdc9a683823394f76b5f795bf2bcb78d
[INFO] testing Lenqth/rs-jong against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenqth%2Frs-jong" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lenqth/rs-jong on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Lenqth/rs-jong
[INFO] finished tweaking git repo https://github.com/Lenqth/rs-jong
[INFO] tweaked toml for git repo https://github.com/Lenqth/rs-jong written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Lenqth/rs-jong already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "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] 2dff1f0fdd3ddc5abf00ff7f2c38dd51c9eb3b37fed02d6c5933b0278ade7f74
[INFO] running `"docker" "start" "-a" "2dff1f0fdd3ddc5abf00ff7f2c38dd51c9eb3b37fed02d6c5933b0278ade7f74"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 rs-jong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/yaku.rs:471:9
[INFO] [stderr]     |
[INFO] [stderr] 471 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]    --> src/yaku.rs:472:9
[INFO] [stderr]     |
[INFO] [stderr] 472 |     use std::str::FromStr;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/structs.rs:322:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]    --> src/structs.rs:323:9
[INFO] [stderr]     |
[INFO] [stderr] 323 |     use std::str::FromStr;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/agari.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::RwLock`
[INFO] [stderr]  --> src/agari.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::RwLock;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::util::sweep_isolated`
[INFO] [stderr]  --> src/agari.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::util::sweep_isolated;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `rs-jong`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2dff1f0fdd3ddc5abf00ff7f2c38dd51c9eb3b37fed02d6c5933b0278ade7f74"`
[INFO] running `"docker" "rm" "-f" "2dff1f0fdd3ddc5abf00ff7f2c38dd51c9eb3b37fed02d6c5933b0278ade7f74"`
[INFO] [stdout] 2dff1f0fdd3ddc5abf00ff7f2c38dd51c9eb3b37fed02d6c5933b0278ade7f74