[INFO] updating cached repository https://github.com/mmmpa/rust_lifegame [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5f2f6db58f7463ab520fe75bf09dedef1b2a8413 [INFO] testing mmmpa/rust_lifegame against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmmpa%2Frust_lifegame" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mmmpa/rust_lifegame on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [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-0/source/Cargo.toml [INFO] crate git repo https://github.com/mmmpa/rust_lifegame already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 819371253f948f26bf642e0a5fae11bc7f96ec15b79145e33e1659ec92081f7c [INFO] running `"docker" "start" "-a" "819371253f948f26bf642e0a5fae11bc7f96ec15b79145e33e1659ec92081f7c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling lifegame v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rle.rs:15:94 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rle.rs:20:92 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rle.rs:35:55 [INFO] [stderr] | [INFO] [stderr] 35 | fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rle.rs:70:62 [INFO] [stderr] | [INFO] [stderr] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rle.rs:15:94 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rle.rs:20:92 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rle.rs:35:55 [INFO] [stderr] | [INFO] [stderr] 35 | fn split(raw: String) -> Result<(String, String), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rle.rs:70:62 [INFO] [stderr] | [INFO] [stderr] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:84:61 [INFO] [stderr] | [INFO] [stderr] 84 | fn prepare(game: &Game, delay: u16, output: &String) -> Box) -> ()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec) -> ()` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 5 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `lifegame`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "819371253f948f26bf642e0a5fae11bc7f96ec15b79145e33e1659ec92081f7c"` [INFO] running `"docker" "rm" "-f" "819371253f948f26bf642e0a5fae11bc7f96ec15b79145e33e1659ec92081f7c"` [INFO] [stdout] 819371253f948f26bf642e0a5fae11bc7f96ec15b79145e33e1659ec92081f7c