[INFO] cloning repository https://github.com/Craig-Macomber/Life-Struggle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Craig-Macomber/Life-Struggle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2FLife-Struggle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2FLife-Struggle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 051d4626dafb950554469862d922425ceb2d3ff3
[INFO] checking Craig-Macomber/Life-Struggle against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2FLife-Struggle" "/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/Craig-Macomber/Life-Struggle on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Craig-Macomber/Life-Struggle
[INFO] finished tweaking git repo https://github.com/Craig-Macomber/Life-Struggle
[INFO] tweaked toml for git repo https://github.com/Craig-Macomber/Life-Struggle written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Craig-Macomber/Life-Struggle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 22790c220f08f64f483327d23493d2938fafbde7c9dd48375a0d911f8f24123e
[INFO] running `Command { std: "docker" "start" "-a" "22790c220f08f64f483327d23493d2938fafbde7c9dd48375a0d911f8f24123e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22790c220f08f64f483327d23493d2938fafbde7c9dd48375a0d911f8f24123e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22790c220f08f64f483327d23493d2938fafbde7c9dd48375a0d911f8f24123e", kill_on_drop: false }`
[INFO] [stdout] 22790c220f08f64f483327d23493d2938fafbde7c9dd48375a0d911f8f24123e
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 842e166a7d5d09e487cb85648cbd7b88dee8e05e3fda3483db8ad0f484463f95
[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" "842e166a7d5d09e487cb85648cbd7b88dee8e05e3fda3483db8ad0f484463f95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking life_struggle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:18:46
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn struggle(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> (isize, isize) {
[INFO] [stdout]    |                                              ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:18:68
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn struggle(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> (isize, isize) {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:33:52
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn struggle_board(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> Option<B> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:33:74
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn struggle_board(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> Option<B> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tile.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn copy_from(t_in: &LifeTileSrc) -> Self {
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:18:46
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn struggle(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> (isize, isize) {
[INFO] [stdout]    |                                              ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:18:68
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn struggle(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> (isize, isize) {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:33:52
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn struggle_board(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> Option<B> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:33:74
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn struggle_board(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> Option<B> {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tile.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn copy_from(t_in: &LifeTileSrc) -> Self {
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn LifeTileSrc`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `life_struggle` due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "842e166a7d5d09e487cb85648cbd7b88dee8e05e3fda3483db8ad0f484463f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842e166a7d5d09e487cb85648cbd7b88dee8e05e3fda3483db8ad0f484463f95", kill_on_drop: false }`
[INFO] [stdout] 842e166a7d5d09e487cb85648cbd7b88dee8e05e3fda3483db8ad0f484463f95
