[INFO] cloning repository https://github.com/Alex-Addy/brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alex-Addy/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex-Addy%2Fbrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex-Addy%2Fbrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26c80a0ee1bed7ca35123ea9d41deb9cee92fedb
[INFO] checking Alex-Addy/brainfuck against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex-Addy%2Fbrainfuck" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alex-Addy/brainfuck 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/Alex-Addy/brainfuck
[INFO] finished tweaking git repo https://github.com/Alex-Addy/brainfuck
[INFO] tweaked toml for git repo https://github.com/Alex-Addy/brainfuck written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Alex-Addy/brainfuck 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3a06c696ba61b714806ef20279ac31997e5ed5254c12ee5d95d40486e836f094
[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" "3a06c696ba61b714806ef20279ac31997e5ed5254c12ee5d95d40486e836f094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a06c696ba61b714806ef20279ac31997e5ed5254c12ee5d95d40486e836f094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a06c696ba61b714806ef20279ac31997e5ed5254c12ee5d95d40486e836f094", kill_on_drop: false }`
[INFO] [stdout] 3a06c696ba61b714806ef20279ac31997e5ed5254c12ee5d95d40486e836f094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 63516e283c25e4c98367c6e229176f2f1d953814d6b67a618d70f7b72a6c29e5
[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" "63516e283c25e4c98367c6e229176f2f1d953814d6b67a618d70f7b72a6c29e5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:34:86
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn get_program_and_input(prog_arg: &str, input_arg: &str) -> io::Result<(String, Box<Read>)> {
[INFO] [stdout]    |                                                                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:38:42
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Box::new(io::stdin()) as Box<Read>
[INFO] [stdout]    |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:40:52
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Box::new(File::open(prog_arg)?) as Box<Read>
[INFO] [stdout]    |                                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:46:72
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok((String::from_utf8(buf).unwrap(), Box::new(buffered) as Box<Read>))
[INFO] [stdout]    |                                                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Box::new(io::stdin()) as Box<Read>
[INFO] [stdout]    |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:58:53
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Box::new(File::open(input_arg)?) as Box<Read>
[INFO] [stdout]    |                                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:34:86
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn get_program_and_input(prog_arg: &str, input_arg: &str) -> io::Result<(String, Box<Read>)> {
[INFO] [stdout]    |                                                                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:38:42
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Box::new(io::stdin()) as Box<Read>
[INFO] [stdout]    |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:40:52
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Box::new(File::open(prog_arg)?) as Box<Read>
[INFO] [stdout]    |                                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:46:72
[INFO] [stdout]    |
[INFO] [stdout] 46 |         Ok((String::from_utf8(buf).unwrap(), Box::new(buffered) as Box<Read>))
[INFO] [stdout]    |                                                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Box::new(io::stdin()) as Box<Read>
[INFO] [stdout]    |                                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:58:53
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Box::new(File::open(input_arg)?) as Box<Read>
[INFO] [stdout]    |                                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]   --> src/program.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn from_str(input: &str) -> Program {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "63516e283c25e4c98367c6e229176f2f1d953814d6b67a618d70f7b72a6c29e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63516e283c25e4c98367c6e229176f2f1d953814d6b67a618d70f7b72a6c29e5", kill_on_drop: false }`
[INFO] [stdout] 63516e283c25e4c98367c6e229176f2f1d953814d6b67a618d70f7b72a6c29e5