[INFO] cloning repository https://github.com/tomc1998/rust-brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomc1998/rust-brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomc1998%2Frust-brainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomc1998%2Frust-brainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df619121ce83acfabffcd910d6dfb4e362b52e77
[INFO] testing tomc1998/rust-brainfuck against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomc1998%2Frust-brainfuck" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomc1998/rust-brainfuck on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomc1998/rust-brainfuck
[INFO] finished tweaking git repo https://github.com/tomc1998/rust-brainfuck
[INFO] tweaked toml for git repo https://github.com/tomc1998/rust-brainfuck written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tomc1998/rust-brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", 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] 9209cf43d4c9c3807031b2c55a7c2f059254601dbcb63b8510232f2e157dc523
[INFO] running `Command { std: "docker" "start" "-a" "9209cf43d4c9c3807031b2c55a7c2f059254601dbcb63b8510232f2e157dc523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9209cf43d4c9c3807031b2c55a7c2f059254601dbcb63b8510232f2e157dc523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9209cf43d4c9c3807031b2c55a7c2f059254601dbcb63b8510232f2e157dc523", kill_on_drop: false }`
[INFO] [stdout] 9209cf43d4c9c3807031b2c55a7c2f059254601dbcb63b8510232f2e157dc523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 9722498249a046d8a8dad69b7eccc987eb5e635be83d22f037aa47b92a6e153e
[INFO] running `Command { std: "docker" "start" "-a" "9722498249a046d8a8dad69b7eccc987eb5e635be83d22f037aa47b92a6e153e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   try!(try!(std::fs::File::open(path)).read_to_string(&mut data));
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |   try!(try!(std::fs::File::open(path)).read_to_string(&mut data));
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let p = try!(pos_stack.pop().ok_or(String::from("Too many closing brackets.")));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |       '.' => print!("{}", try!(char::from_u32(memory[ptr])
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 |           try!(io::stdin().read_line(&mut in_buf).map_err(|e|format!("{}", e))) ;
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "9722498249a046d8a8dad69b7eccc987eb5e635be83d22f037aa47b92a6e153e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9722498249a046d8a8dad69b7eccc987eb5e635be83d22f037aa47b92a6e153e", kill_on_drop: false }`
[INFO] [stdout] 9722498249a046d8a8dad69b7eccc987eb5e635be83d22f037aa47b92a6e153e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--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] 17b352e122198421a5296600e4ab5cf02b643a8f49bdf9a61eb169c3656c349f
[INFO] running `Command { std: "docker" "start" "-a" "17b352e122198421a5296600e4ab5cf02b643a8f49bdf9a61eb169c3656c349f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   try!(try!(std::fs::File::open(path)).read_to_string(&mut data));
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |   try!(try!(std::fs::File::open(path)).read_to_string(&mut data));
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let p = try!(pos_stack.pop().ok_or(String::from("Too many closing brackets.")));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |       '.' => print!("{}", try!(char::from_u32(memory[ptr])
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 |           try!(io::stdin().read_line(&mut in_buf).map_err(|e|format!("{}", e))) ;
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "17b352e122198421a5296600e4ab5cf02b643a8f49bdf9a61eb169c3656c349f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b352e122198421a5296600e4ab5cf02b643a8f49bdf9a61eb169c3656c349f", kill_on_drop: false }`
[INFO] [stdout] 17b352e122198421a5296600e4ab5cf02b643a8f49bdf9a61eb169c3656c349f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", 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] ff1bb8faf4497584785ec849313a83d621a6424f67107674a1d2e44072d7145e
[INFO] running `Command { std: "docker" "start" "-a" "ff1bb8faf4497584785ec849313a83d621a6424f67107674a1d2e44072d7145e", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:10:3
[INFO] [stderr]    |
[INFO] [stderr] 10 |   try!(try!(std::fs::File::open(path)).read_to_string(&mut data));
[INFO] [stderr]    |   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |   try!(try!(std::fs::File::open(path)).read_to_string(&mut data));
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let p = try!(pos_stack.pop().ok_or(String::from("Too many closing brackets.")));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:70:27
[INFO] [stderr]    |
[INFO] [stderr] 70 |       '.' => print!("{}", try!(char::from_u32(memory[ptr])
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:74:11
[INFO] [stderr]    |
[INFO] [stderr] 74 |           try!(io::stdin().read_line(&mut in_buf).map_err(|e|format!("{}", e))) ;
[INFO] [stderr]    |           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rs_bf-1ea2b752f6b1dd0b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff1bb8faf4497584785ec849313a83d621a6424f67107674a1d2e44072d7145e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1bb8faf4497584785ec849313a83d621a6424f67107674a1d2e44072d7145e", kill_on_drop: false }`
[INFO] [stdout] ff1bb8faf4497584785ec849313a83d621a6424f67107674a1d2e44072d7145e