[INFO] cloning repository https://github.com/Git-Math/expert_system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Git-Math/expert_system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGit-Math%2Fexpert_system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGit-Math%2Fexpert_system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25991ca3daf77db3680914c0173dd6f1ce2c1dd5
[INFO] checking Git-Math/expert_system against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGit-Math%2Fexpert_system" "/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/Git-Math/expert_system on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Git-Math/expert_system
[INFO] finished tweaking git repo https://github.com/Git-Math/expert_system
[INFO] tweaked toml for git repo https://github.com/Git-Math/expert_system written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Git-Math/expert_system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1121ad5b0fb2b879a3fcebfa9db42dc733e13628eb1f8663fc41e52b4a6fb8b
[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" "c1121ad5b0fb2b879a3fcebfa9db42dc733e13628eb1f8663fc41e52b4a6fb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1121ad5b0fb2b879a3fcebfa9db42dc733e13628eb1f8663fc41e52b4a6fb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1121ad5b0fb2b879a3fcebfa9db42dc733e13628eb1f8663fc41e52b4a6fb8b", kill_on_drop: false }`
[INFO] [stdout] c1121ad5b0fb2b879a3fcebfa9db42dc733e13628eb1f8663fc41e52b4a6fb8b
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a308c5b5717f9a9bf1ede11ea010ae2b5a6a5ca794d80481f6fabd55a2fd16d
[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" "8a308c5b5717f9a9bf1ede11ea010ae2b5a6a5ca794d80481f6fabd55a2fd16d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking expert_system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/variables.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | / lazy_static! {
[INFO] [stdout] 64 | |     pub static ref VARIABLEMAP: Mutex<HashMap<&'static str, Variable>> = {
[INFO] [stdout] 65 | |
[INFO] [stdout] 66 | |         let mut map = HashMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 76 | |     };
[INFO] [stdout] 77 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/variables.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | / lazy_static! {
[INFO] [stdout] 64 | |     pub static ref VARIABLEMAP: Mutex<HashMap<&'static str, Variable>> = {
[INFO] [stdout] 65 | |
[INFO] [stdout] 66 | |         let mut map = HashMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 76 | |     };
[INFO] [stdout] 77 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:200:63
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 println!("couldn't open {}: {}", args[1], why.description());
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:200:63
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 println!("couldn't open {}: {}", args[1], why.description());
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a308c5b5717f9a9bf1ede11ea010ae2b5a6a5ca794d80481f6fabd55a2fd16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a308c5b5717f9a9bf1ede11ea010ae2b5a6a5ca794d80481f6fabd55a2fd16d", kill_on_drop: false }`
[INFO] [stdout] 8a308c5b5717f9a9bf1ede11ea010ae2b5a6a5ca794d80481f6fabd55a2fd16d
