[INFO] cloning repository https://github.com/gmadrid/hunt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gmadrid/hunt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmadrid%2Fhunt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmadrid%2Fhunt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14df5827c274006a4a8691ed300a4044caee88ac
[INFO] checking gmadrid/hunt against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmadrid%2Fhunt" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmadrid/hunt 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/gmadrid/hunt
[INFO] finished tweaking git repo https://github.com/gmadrid/hunt
[INFO] tweaked toml for git repo https://github.com/gmadrid/hunt written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/gmadrid/hunt 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] e890d4cacf496d62cf871be1bfd690936d46dafcdd497ac4abca3ada3a038e60
[INFO] running `Command { std: "docker" "start" "-a" "e890d4cacf496d62cf871be1bfd690936d46dafcdd497ac4abca3ada3a038e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e890d4cacf496d62cf871be1bfd690936d46dafcdd497ac4abca3ada3a038e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e890d4cacf496d62cf871be1bfd690936d46dafcdd497ac4abca3ada3a038e60", kill_on_drop: false }`
[INFO] [stdout] e890d4cacf496d62cf871be1bfd690936d46dafcdd497ac4abca3ada3a038e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 5c3291010786eb01582fa61bd7ed0b37baab759fbcf3af82cbcdbcb40e72d3ef
[INFO] running `Command { std: "docker" "start" "-a" "5c3291010786eb01582fa61bd7ed0b37baab759fbcf3af82cbcdbcb40e72d3ef", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.14.0
[INFO] [stderr]     Checking hunt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hunt/board.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let ch = try!(i.next().ok_or(Error::BoardParseError));
[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:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |   let _ = try!(args::parse());
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/hunt/board.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / macro_rules! board {
[INFO] [stdout] 12 | |   ( $rows:expr ; $cols:expr) => { Board::new($rows, $cols, HashSet::<Coord>::new()) };
[INFO] [stdout] 13 | |     ( $rows:expr ; $cols:expr ; $($c:expr), *) => {
[INFO] [stdout] 14 | |       {
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/hunt/board.rs:170:1
[INFO] [stdout]     |
[INFO] [stdout] 170 | / macro_rules! assert_has_coords {
[INFO] [stdout] 171 | |     ( $coords:expr , $($c:expr), *) => {
[INFO] [stdout] 172 | |       {
[INFO] [stdout] 173 | |         let coord_set_in = HashSet::<Coord>::from_iter($coords.into_iter());
[INFO] [stdout] ...   |
[INFO] [stdout] 186 | |     }
[INFO] [stdout] 187 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hunt/board.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let ch = try!(i.next().ok_or(Error::BoardParseError));
[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/hunt/board.rs:126:19
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let sch = try!(i.next().ok_or(Error::BoardParseError));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |   let _ = try!(args::parse());
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "5c3291010786eb01582fa61bd7ed0b37baab759fbcf3af82cbcdbcb40e72d3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3291010786eb01582fa61bd7ed0b37baab759fbcf3af82cbcdbcb40e72d3ef", kill_on_drop: false }`
[INFO] [stdout] 5c3291010786eb01582fa61bd7ed0b37baab759fbcf3af82cbcdbcb40e72d3ef