[INFO] cloning repository https://github.com/mmmpa/rust_lifegame [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmmpa/rust_lifegame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Frust_lifegame", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Frust_lifegame'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f2f6db58f7463ab520fe75bf09dedef1b2a8413 [INFO] testing mmmpa/rust_lifegame against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Frust_lifegame" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mmmpa/rust_lifegame on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mmmpa/rust_lifegame [INFO] finished tweaking git repo https://github.com/mmmpa/rust_lifegame [INFO] tweaked toml for git repo https://github.com/mmmpa/rust_lifegame written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/mmmpa/rust_lifegame already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d033b1b84752372af3e91e17456ea4ec37e3f886ea275e3af89dfe2716710010 [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" "d033b1b84752372af3e91e17456ea4ec37e3f886ea275e3af89dfe2716710010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d033b1b84752372af3e91e17456ea4ec37e3f886ea275e3af89dfe2716710010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d033b1b84752372af3e91e17456ea4ec37e3f886ea275e3af89dfe2716710010", kill_on_drop: false }` [INFO] [stdout] d033b1b84752372af3e91e17456ea4ec37e3f886ea275e3af89dfe2716710010 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0e09954c3057b57e1ac45c19db9b8a3495be81ab88f59cbd47b42ff1e5dc08e [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" "a0e09954c3057b57e1ac45c19db9b8a3495be81ab88f59cbd47b42ff1e5dc08e", kill_on_drop: false }` [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling lifegame v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:35:55 [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 - fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stdout] 35 + fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:70:62 [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 70 - fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] 70 + fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:15:94 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 - pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] 15 + pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:20:92 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 - pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] 20 + pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/world.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | height: usize, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `World` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/world.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:12 [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/main.rs:84:61 [INFO] [stdout] | [INFO] [stdout] 84 | fn prepare(game: &Game, delay: u16, output: &String) -> Box) -> ()> { [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 84 - fn prepare(game: &Game, delay: u16, output: &String) -> Box) -> ()> { [INFO] [stdout] 84 + fn prepare(game: &Game, delay: u16, output: &String) -> Box) -> ()> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:35:55 [INFO] [stdout] | [INFO] [stdout] 35 | fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 35 - fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stdout] 35 + fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:70:62 [INFO] [stdout] | [INFO] [stdout] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 70 - fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] 70 + fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:15:94 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 - pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] 15 + pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rle.rs:20:92 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 - pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] 20 + pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stdout] | [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] [stderr] error: could not compile `lifegame` due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a0e09954c3057b57e1ac45c19db9b8a3495be81ab88f59cbd47b42ff1e5dc08e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0e09954c3057b57e1ac45c19db9b8a3495be81ab88f59cbd47b42ff1e5dc08e", kill_on_drop: false }` [INFO] [stdout] a0e09954c3057b57e1ac45c19db9b8a3495be81ab88f59cbd47b42ff1e5dc08e