[INFO] cloning repository https://github.com/aujxn/set_game_simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aujxn/set_game_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faujxn%2Fset_game_simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faujxn%2Fset_game_simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bbaa11976d76e5f145bf740e2220830eff4a8d2
[INFO] testing aujxn/set_game_simulator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faujxn%2Fset_game_simulator" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aujxn/set_game_simulator on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aujxn/set_game_simulator
[INFO] finished tweaking git repo https://github.com/aujxn/set_game_simulator
[INFO] tweaked toml for git repo https://github.com/aujxn/set_game_simulator written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f8d3fb153aec6dd02b20df7761fcf6055a0ce8f22d93020b3052f8546641738
[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" "0f8d3fb153aec6dd02b20df7761fcf6055a0ce8f22d93020b3052f8546641738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f8d3fb153aec6dd02b20df7761fcf6055a0ce8f22d93020b3052f8546641738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8d3fb153aec6dd02b20df7761fcf6055a0ce8f22d93020b3052f8546641738", kill_on_drop: false }`
[INFO] [stdout] 0f8d3fb153aec6dd02b20df7761fcf6055a0ce8f22d93020b3052f8546641738
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 97f454e821566100d4ff933d8e6066368d495adb6bddcd20649092a20647aae1
[INFO] running `Command { std: "docker" "start" "-a" "97f454e821566100d4ff933d8e6066368d495adb6bddcd20649092a20647aae1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling set_simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/find_all_sets.rs:247:67
[INFO] [stdout]     |
[INFO] [stdout] 247 |         Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/find_all_sets.rs:253:67
[INFO] [stdout]     |
[INFO] [stdout] 253 |         Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/rm_first_set.rs:345:67
[INFO] [stdout]     |
[INFO] [stdout] 345 |         Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/rm_first_set.rs:351:67
[INFO] [stdout]     |
[INFO] [stdout] 351 |         Err(why) => panic!("couldn't create {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0614]: type `()` cannot be dereferenced
[INFO] [stdout]   --> src/thread_pool.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     *job.call_box();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0614`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `set_simulator` due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "97f454e821566100d4ff933d8e6066368d495adb6bddcd20649092a20647aae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f454e821566100d4ff933d8e6066368d495adb6bddcd20649092a20647aae1", kill_on_drop: false }`
[INFO] [stdout] 97f454e821566100d4ff933d8e6066368d495adb6bddcd20649092a20647aae1