[INFO] cloning repository https://github.com/msifd/game-of-life-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msifd/game-of-life-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsifd%2Fgame-of-life-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsifd%2Fgame-of-life-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 996f17aa7e33561e079dddb7d736881f787a8485
[INFO] checking msifd/game-of-life-rs against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsifd%2Fgame-of-life-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msifd/game-of-life-rs on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/msifd/game-of-life-rs
[INFO] finished tweaking git repo https://github.com/msifd/game-of-life-rs
[INFO] tweaked toml for git repo https://github.com/msifd/game-of-life-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/msifd/game-of-life-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-4/source/src/main.rs
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccafad3c00608ce00bc93337b68506ef3b4a67176186c4cdc6860b514d856bbd
[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" "ccafad3c00608ce00bc93337b68506ef3b4a67176186c4cdc6860b514d856bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccafad3c00608ce00bc93337b68506ef3b4a67176186c4cdc6860b514d856bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccafad3c00608ce00bc93337b68506ef3b4a67176186c4cdc6860b514d856bbd", kill_on_drop: false }`
[INFO] [stdout] ccafad3c00608ce00bc93337b68506ef3b4a67176186c4cdc6860b514d856bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ee05613431fed69ebca962f88ba0566704a7fd34c0e94a33cc1447e115e036
[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" "80ee05613431fed69ebca962f88ba0566704a7fd34c0e94a33cc1447e115e036", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking life_game_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field/mod.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_batch(field: &mut Field, batch: Vec<Pos>) {
[INFO] [stdout]    |                               ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field/mod.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load_cells(field: &mut Field, text: String) {
[INFO] [stdout]    |                               ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/render.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn print_field(field: &Field) {
[INFO] [stdout]   |                            ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/render.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     let theme = [' ', 'O', '-', '|'];
[INFO] [stdout]   |     --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field/mod.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_batch(field: &mut Field, batch: Vec<Pos>) {
[INFO] [stdout]    |                               ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field/mod.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load_cells(field: &mut Field, text: String) {
[INFO] [stdout]    |                               ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/render.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn print_field(field: &Field) {
[INFO] [stdout]   |                            ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/render.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     let theme = [' ', 'O', '-', '|'];
[INFO] [stdout]   |     --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field/mod.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_batch(field: &mut Field, batch: Vec<Pos>) {
[INFO] [stdout]    |                               ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field/mod.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load_cells(field: &mut Field, text: String) {
[INFO] [stdout]    |                               ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/render.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn print_field(field: &Field) {
[INFO] [stdout]   |                            ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/render.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     let theme = [' ', 'O', '-', '|'];
[INFO] [stdout]   |     --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/benches.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]   --> benches/benches.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn do_count(b: &mut Bencher, field: &mut Field) {
[INFO] [stdout]    |                                          ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/benches.rs:21:43
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn do_update(b: &mut Bencher, field: &mut Field) {
[INFO] [stdout]    |                                           ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/benches.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn do_stringify(b: &mut Bencher, field: &mut Field) {
[INFO] [stdout]    |                                              ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field/mod.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn load_batch(field: &mut Field, batch: Vec<Pos>) {
[INFO] [stdout]    |                               ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/field/mod.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load_cells(field: &mut Field, text: String) {
[INFO] [stdout]    |                               ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/render.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn print_field(field: &Field) {
[INFO] [stdout]   |                            ^^^^^ help: use `dyn`: `dyn Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/render.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     /// empty cell, life cell, horizontal border, vertical border
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     let theme = [' ', 'O', '-', '|'];
[INFO] [stdout]   |     --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 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_game_rs`.
[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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "80ee05613431fed69ebca962f88ba0566704a7fd34c0e94a33cc1447e115e036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ee05613431fed69ebca962f88ba0566704a7fd34c0e94a33cc1447e115e036", kill_on_drop: false }`
[INFO] [stdout] 80ee05613431fed69ebca962f88ba0566704a7fd34c0e94a33cc1447e115e036
