[INFO] cloning repository https://github.com/sinhpham/brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinhpham/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinhpham%2Fbrainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinhpham%2Fbrainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32c0770c878eab9815179ea9aa61649ce52300a6
[INFO] checking sinhpham/brainfuck against try#378b6a8a384b3bd0818af5f1745e5747a98bff7b for pr-95819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinhpham%2Fbrainfuck" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sinhpham/brainfuck on toolchain 378b6a8a384b3bd0818af5f1745e5747a98bff7b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sinhpham/brainfuck
[INFO] finished tweaking git repo https://github.com/sinhpham/brainfuck
[INFO] tweaked toml for git repo https://github.com/sinhpham/brainfuck written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/sinhpham/brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "fetch" "--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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f7fcc035ff7dd17e1ea9c804c116f404cc978d532449e0952b13e120903c728
[INFO] running `Command { std: "docker" "start" "-a" "2f7fcc035ff7dd17e1ea9c804c116f404cc978d532449e0952b13e120903c728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f7fcc035ff7dd17e1ea9c804c116f404cc978d532449e0952b13e120903c728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7fcc035ff7dd17e1ea9c804c116f404cc978d532449e0952b13e120903c728", kill_on_drop: false }`
[INFO] [stdout] 2f7fcc035ff7dd17e1ea9c804c116f404cc978d532449e0952b13e120903c728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+378b6a8a384b3bd0818af5f1745e5747a98bff7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a5cfbd00cb784b90d015d9806f466eadeec1b37bc672817e5bde3ec9212491
[INFO] running `Command { std: "docker" "start" "-a" "68a5cfbd00cb784b90d015d9806f466eadeec1b37bc672817e5bde3ec9212491", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     let open = try!(open_locations.pop().ok_or("Missing opening bracket"));
[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:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     let open = try!(open_locations.pop().ok_or("Missing opening bracket"));
[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:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let commands = try!(BfCommands::from_str(input));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:134:20
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let commands = try!(BfCommands::from_str(input));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "68a5cfbd00cb784b90d015d9806f466eadeec1b37bc672817e5bde3ec9212491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a5cfbd00cb784b90d015d9806f466eadeec1b37bc672817e5bde3ec9212491", kill_on_drop: false }`
[INFO] [stdout] 68a5cfbd00cb784b90d015d9806f466eadeec1b37bc672817e5bde3ec9212491