[INFO] cloning repository https://github.com/shmup/rustmud
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shmup/rustmud" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmup%2Frustmud", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmup%2Frustmud'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fd1544bd1cbca94c5e3c4cee1cdb4dd280367db
[INFO] checking shmup/rustmud against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmup%2Frustmud" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shmup/rustmud on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shmup/rustmud
[INFO] finished tweaking git repo https://github.com/shmup/rustmud
[INFO] tweaked toml for git repo https://github.com/shmup/rustmud written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/shmup/rustmud already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b98ecd3f3faa4c288b4de4d19fa79b5597e60ffb5be49a0247c4b4b554ba30b
[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" "1b98ecd3f3faa4c288b4de4d19fa79b5597e60ffb5be49a0247c4b4b554ba30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b98ecd3f3faa4c288b4de4d19fa79b5597e60ffb5be49a0247c4b4b554ba30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b98ecd3f3faa4c288b4de4d19fa79b5597e60ffb5be49a0247c4b4b554ba30b", kill_on_drop: false }`
[INFO] [stdout] 1b98ecd3f3faa4c288b4de4d19fa79b5597e60ffb5be49a0247c4b4b554ba30b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ec2a193a018558e12ef90f8b2ac0cd1d1202c9bb62bd83985b39207e2975454
[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" "2ec2a193a018558e12ef90f8b2ac0cd1d1202c9bb62bd83985b39207e2975454", kill_on_drop: false }`
[INFO] [stderr]     Checking fightmud v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/mud/entity.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/mud/entity.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/mud/entity.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/mud/entity.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Server` in public interface (error E0446)
[INFO] [stdout]   --> src/mud/server.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn create(&self) -> Server {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Server` in public interface (error E0446)
[INFO] [stdout]   --> src/mud/server.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn create(&self) -> Server {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Entity`
[INFO] [stdout]  --> src/mud/entity.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Entity {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lowercase`
[INFO] [stdout]  --> src/mud/entity.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn lowercase(&mut self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `Server` is private
[INFO] [stdout]  --> src/main.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |       let mut server = ServerFactory::new()
[INFO] [stdout]   |  ______________________^
[INFO] [stdout] 7 | |         .ip("122.122.122.122")
[INFO] [stdout] 8 | |         .port(1337)
[INFO] [stdout] 9 | |         .create();
[INFO] [stdout]   | |_________________^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `Server` is private
[INFO] [stdout]   --> src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     server.start();
[INFO] [stdout]    |            ^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `Server` is private
[INFO] [stdout]  --> src/main.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |       let mut server = ServerFactory::new()
[INFO] [stdout]   |  ______________________^
[INFO] [stdout] 7 | |         .ip("122.122.122.122")
[INFO] [stdout] 8 | |         .port(1337)
[INFO] [stdout] 9 | |         .create();
[INFO] [stdout]   | |_________________^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `Server` is private
[INFO] [stdout]   --> src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     server.start();
[INFO] [stdout]    |            ^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fightmud`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2ec2a193a018558e12ef90f8b2ac0cd1d1202c9bb62bd83985b39207e2975454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec2a193a018558e12ef90f8b2ac0cd1d1202c9bb62bd83985b39207e2975454", kill_on_drop: false }`
[INFO] [stdout] 2ec2a193a018558e12ef90f8b2ac0cd1d1202c9bb62bd83985b39207e2975454