[INFO] updating cached repository https://github.com/matthias-margush/rhess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8814f9d7ba21c14c13ed57036e9d759d755b8659
[INFO] testing matthias-margush/rhess against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthias-margush%2Frhess" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthias-margush/rhess on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthias-margush/rhess
[INFO] finished tweaking git repo https://github.com/matthias-margush/rhess
[INFO] tweaked toml for git repo https://github.com/matthias-margush/rhess written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/matthias-margush/rhess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab2cfa52bf9f1138786f71dfc7195b621c0df417b6d52effa50727f5b6eaaf17
[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" "ab2cfa52bf9f1138786f71dfc7195b621c0df417b6d52effa50727f5b6eaaf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab2cfa52bf9f1138786f71dfc7195b621c0df417b6d52effa50727f5b6eaaf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2cfa52bf9f1138786f71dfc7195b621c0df417b6d52effa50727f5b6eaaf17", kill_on_drop: false }`
[INFO] [stdout] ab2cfa52bf9f1138786f71dfc7195b621c0df417b6d52effa50727f5b6eaaf17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 563a0064fd7316412e3c943c2693c5e36a1bbe2fb4ed8c2adf41bf1b4d7db527
[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" "563a0064fd7316412e3c943c2693c5e36a1bbe2fb4ed8c2adf41bf1b4d7db527", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.5.4
[INFO] [stderr]    Compiling rhess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             try!(write!(f, "{:?}\n", self.board[row]))
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `map` found for array `[{integer}; 2]` in the current scope
[INFO] [stdout]  --> src/moves.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     [-2, 2].map()
[INFO] [stdout]   |             ^^^ method not found in `[{integer}; 2]`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the method `map` exists but the following trait bounds were not satisfied:
[INFO] [stdout]           `[{integer}; 2]: std::iter::Iterator`
[INFO] [stdout]           which is required by `&mut [{integer}; 2]: std::iter::Iterator`
[INFO] [stdout]           `[{integer}]: std::iter::Iterator`
[INFO] [stdout]           which is required by `&mut [{integer}]: std::iter::Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rhess`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "563a0064fd7316412e3c943c2693c5e36a1bbe2fb4ed8c2adf41bf1b4d7db527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563a0064fd7316412e3c943c2693c5e36a1bbe2fb4ed8c2adf41bf1b4d7db527", kill_on_drop: false }`
[INFO] [stdout] 563a0064fd7316412e3c943c2693c5e36a1bbe2fb4ed8c2adf41bf1b4d7db527