[INFO] cloning repository https://github.com/makani-kukini/rust-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/makani-kukini/rust-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakani-kukini%2Frust-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakani-kukini%2Frust-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4526fca077cc515bacc3604420b613091d94ef32
[INFO] checking makani-kukini/rust-play against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakani-kukini%2Frust-play" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/makani-kukini/rust-play on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/makani-kukini/rust-play
[INFO] finished tweaking git repo https://github.com/makani-kukini/rust-play
[INFO] tweaked toml for git repo https://github.com/makani-kukini/rust-play written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/makani-kukini/rust-play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `/workspace/builds/worker-13/source/src/cpu.rs` was erroneously implicitly accepted for library `cpu`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr] warning: unused manifest key: lib.src
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f29b753aa934b02222d2bd7d66063152d63a6cdfbf6593bf13bc46f8d3463ea
[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" "5f29b753aa934b02222d2bd7d66063152d63a6cdfbf6593bf13bc46f8d3463ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f29b753aa934b02222d2bd7d66063152d63a6cdfbf6593bf13bc46f8d3463ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f29b753aa934b02222d2bd7d66063152d63a6cdfbf6593bf13bc46f8d3463ea", kill_on_drop: false }`
[INFO] [stdout] 5f29b753aa934b02222d2bd7d66063152d63a6cdfbf6593bf13bc46f8d3463ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4db549ddfb1e1c32ce9b6518bd5ed0ccde30d8fa0a28ba7138dd5162e4d76195
[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" "4db549ddfb1e1c32ce9b6518bd5ed0ccde30d8fa0a28ba7138dd5162e4d76195", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/cpu.rs` was erroneously implicitly accepted for library `cpu`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr] warning: unused manifest key: lib.src
[INFO] [stderr]     Checking nes 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/cpu.rs:114:64
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Err(why) => panic!("Couldn't open {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:144:64
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Err(why) => panic!("Couldn't open {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:152:78
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 Err(why) => panic!("Couldn't read line from {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:114:64
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Err(why) => panic!("Couldn't open {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:144:64
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Err(why) => panic!("Couldn't open {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:152:78
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 Err(why) => panic!("Couldn't read line from {:?}: {}", path, Error::description(&why)),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[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/cpu.rs:114:64
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Err(why) => panic!("Couldn't open {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:144:64
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Err(why) => panic!("Couldn't open {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:152:78
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 Err(why) => panic!("Couldn't read line from {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:114:64
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Err(why) => panic!("Couldn't open {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:144:64
[INFO] [stdout]     |
[INFO] [stdout] 144 |             Err(why) => panic!("Couldn't open {:?}: {}", path, Error::description(&why)),
[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/cpu.rs:152:78
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 Err(why) => panic!("Couldn't read line from {:?}: {}", path, Error::description(&why)),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "4db549ddfb1e1c32ce9b6518bd5ed0ccde30d8fa0a28ba7138dd5162e4d76195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db549ddfb1e1c32ce9b6518bd5ed0ccde30d8fa0a28ba7138dd5162e4d76195", kill_on_drop: false }`
[INFO] [stdout] 4db549ddfb1e1c32ce9b6518bd5ed0ccde30d8fa0a28ba7138dd5162e4d76195