[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomc1998%2Frust-brainfuck" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomc1998/rust-brainfuck on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e0fd440897c2a660ef279a4d49f92b970740295a45385e11a35286e91b72a15
[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" "1e0fd440897c2a660ef279a4d49f92b970740295a45385e11a35286e91b72a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e0fd440897c2a660ef279a4d49f92b970740295a45385e11a35286e91b72a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0fd440897c2a660ef279a4d49f92b970740295a45385e11a35286e91b72a15", kill_on_drop: false }`
[INFO] [stdout] 1e0fd440897c2a660ef279a4d49f92b970740295a45385e11a35286e91b72a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dc5697ab52a475c72b2383bd1ef0a80b87f4e0d56f471d3d3345ea0d20dc26b
[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" "4dc5697ab52a475c72b2383bd1ef0a80b87f4e0d56f471d3d3345ea0d20dc26b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 1.49s
[INFO] running `Command { std: "docker" "inspect" "4dc5697ab52a475c72b2383bd1ef0a80b87f4e0d56f471d3d3345ea0d20dc26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc5697ab52a475c72b2383bd1ef0a80b87f4e0d56f471d3d3345ea0d20dc26b", kill_on_drop: false }`
[INFO] [stdout] 4dc5697ab52a475c72b2383bd1ef0a80b87f4e0d56f471d3d3345ea0d20dc26b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 871f794bc18bd113b4c5a4d80bc618eaead0c1effebbc83a2885a11ccc03e191
[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" "871f794bc18bd113b4c5a4d80bc618eaead0c1effebbc83a2885a11ccc03e191", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 0.93s
[INFO] running `Command { std: "docker" "inspect" "871f794bc18bd113b4c5a4d80bc618eaead0c1effebbc83a2885a11ccc03e191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871f794bc18bd113b4c5a4d80bc618eaead0c1effebbc83a2885a11ccc03e191", kill_on_drop: false }`
[INFO] [stdout] 871f794bc18bd113b4c5a4d80bc618eaead0c1effebbc83a2885a11ccc03e191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9c2b2340698c9e180494a847be3870150dd3fcce8fb76f2e015ad934afa71d6
[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" "e9c2b2340698c9e180494a847be3870150dd3fcce8fb76f2e015ad934afa71d6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:10:3
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 |   try!(try!(std::fs::File::open(path)).read_to_string(&mut data));
[INFO] [stdout] 
[INFO] [stderr]    |   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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 macro `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 macro `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: `rs_bf` (bin "rs_bf" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_bf-04acd73c8bf37c77)
[INFO] running `Command { std: "docker" "inspect" "e9c2b2340698c9e180494a847be3870150dd3fcce8fb76f2e015ad934afa71d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c2b2340698c9e180494a847be3870150dd3fcce8fb76f2e015ad934afa71d6", kill_on_drop: false }`
[INFO] [stdout] e9c2b2340698c9e180494a847be3870150dd3fcce8fb76f2e015ad934afa71d6