[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] testing Craig-Macomber/Life-Struggle against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2FLife-Struggle" "/workspace/builds/worker-22/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Craig-Macomber/Life-Struggle on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-22/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-22/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c6cb197661986923de5ea023a129c4c8594de227564453cee814ac75c334b19 [INFO] running `Command { std: "docker" "start" "-a" "0c6cb197661986923de5ea023a129c4c8594de227564453cee814ac75c334b19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c6cb197661986923de5ea023a129c4c8594de227564453cee814ac75c334b19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c6cb197661986923de5ea023a129c4c8594de227564453cee814ac75c334b19", kill_on_drop: false }` [INFO] [stdout] 0c6cb197661986923de5ea023a129c4c8594de227564453cee814ac75c334b19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 698a65a0031e09e9c3b9b7769f34bff822152c62d4893c7385f058502d49b049 [INFO] running `Command { std: "docker" "start" "-a" "698a65a0031e09e9c3b9b7769f34bff822152c62d4893c7385f058502d49b049", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling inflate v0.4.3 [INFO] [stderr] Compiling deflate v0.7.18 [INFO] [stderr] Compiling gif v0.10.0 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Compiling image v0.19.0 [INFO] [stderr] Compiling life_struggle v0.1.0 (/opt/rustwide/workdir) [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] | ^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - pub fn struggle(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> (isize, isize) { [INFO] [stdout] 18 + pub fn struggle(generations: usize, tile_a: &dyn LifeTileSrc, tile_b: &LifeTileSrc) -> (isize, isize) { [INFO] [stdout] | [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] | ^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 - pub fn struggle(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> (isize, isize) { [INFO] [stdout] 18 + pub fn struggle(generations: usize, tile_a: &LifeTileSrc, tile_b: &dyn LifeTileSrc) -> (isize, isize) { [INFO] [stdout] | [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 { [INFO] [stdout] | ^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 - pub fn struggle_board(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> Option { [INFO] [stdout] 33 + pub fn struggle_board(generations: usize, tile_a: &dyn LifeTileSrc, tile_b: &LifeTileSrc) -> Option { [INFO] [stdout] | [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 { [INFO] [stdout] | ^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 33 - pub fn struggle_board(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> Option { [INFO] [stdout] 33 + pub fn struggle_board(generations: usize, tile_a: &LifeTileSrc, tile_b: &dyn LifeTileSrc) -> Option { [INFO] [stdout] | [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] | ^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 - fn copy_from(t_in: &LifeTileSrc) -> Self { [INFO] [stdout] 19 + fn copy_from(t_in: &dyn LifeTileSrc) -> Self { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tile.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | let mut at = |cc: &mut usize, ix: usize, iy: usize| { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `struggle` [INFO] [stdout] --> src/game.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn struggle(generations: usize, tile_a: &LifeTileSrc, tile_b: &LifeTileSrc) -> (isize, isize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lwss_at` [INFO] [stdout] --> src/game.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | fn lwss_at(t: &mut T, x: usize, y: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 8 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; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "698a65a0031e09e9c3b9b7769f34bff822152c62d4893c7385f058502d49b049", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "698a65a0031e09e9c3b9b7769f34bff822152c62d4893c7385f058502d49b049", kill_on_drop: false }` [INFO] [stdout] 698a65a0031e09e9c3b9b7769f34bff822152c62d4893c7385f058502d49b049