[INFO] cloning repository https://github.com/paulkramme/rustybrainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paulkramme/rustybrainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulkramme%2Frustybrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulkramme%2Frustybrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 072942e1220da27ccc56b3bc04c7165bdf5cef0d
[INFO] checking paulkramme/rustybrainfuck against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulkramme%2Frustybrainfuck" "/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/paulkramme/rustybrainfuck on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paulkramme/rustybrainfuck
[INFO] finished tweaking git repo https://github.com/paulkramme/rustybrainfuck
[INFO] tweaked toml for git repo https://github.com/paulkramme/rustybrainfuck written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/paulkramme/rustybrainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39f04a9e28bdacf26154302882a3ac5e0593340e528ce52a1bf69ce7f070daaa
[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" "39f04a9e28bdacf26154302882a3ac5e0593340e528ce52a1bf69ce7f070daaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39f04a9e28bdacf26154302882a3ac5e0593340e528ce52a1bf69ce7f070daaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f04a9e28bdacf26154302882a3ac5e0593340e528ce52a1bf69ce7f070daaa", kill_on_drop: false }`
[INFO] [stdout] 39f04a9e28bdacf26154302882a3ac5e0593340e528ce52a1bf69ce7f070daaa
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0de4eef2b41fe97e84422b5888712e08349c7ac7dec02dee44fc999e5c5ff73
[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" "b0de4eef2b41fe97e84422b5888712e08349c7ac7dec02dee44fc999e5c5ff73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rustybrainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0774]: `derive` may only be applied to structs, enums and unions
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     #[derive(Debug)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/main.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |         x@0...127 => format!("{:?}", x as u8 as char),
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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/main.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Err(why) => panic!("{}", 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/main.rs:17:38
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Err(why) => panic!("{}", why.description()),
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0774]: `derive` may only be applied to structs, enums and unions
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     #[derive(Debug)]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/main.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |         x@0...127 => format!("{:?}", x as u8 as char),
[INFO] [stdout]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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/main.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Err(why) => panic!("{}", 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/main.rs:17:38
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Err(why) => panic!("{}", why.description()),
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0774`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustybrainfuck`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0774`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b0de4eef2b41fe97e84422b5888712e08349c7ac7dec02dee44fc999e5c5ff73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0de4eef2b41fe97e84422b5888712e08349c7ac7dec02dee44fc999e5c5ff73", kill_on_drop: false }`
[INFO] [stdout] b0de4eef2b41fe97e84422b5888712e08349c7ac7dec02dee44fc999e5c5ff73