[INFO] fetching crate cellular_lib 0.1.1... [INFO] testing cellular_lib-0.1.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate cellular_lib 0.1.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate cellular_lib 0.1.1 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] started tweaking crates.io crate cellular_lib 0.1.1 [INFO] finished tweaking crates.io crate cellular_lib 0.1.1 [INFO] tweaked toml for crates.io crate cellular_lib 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `panic` setting is ignored for `bench` profile [INFO] [stderr] warning: `panic` setting is ignored for `test` profile [INFO] running `Command { std: "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" "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] [stdout] c8d4c29a98e64d1425f375db402c8b54024611cd1e28ef799ddeda05c8f508ea [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" "c8d4c29a98e64d1425f375db402c8b54024611cd1e28ef799ddeda05c8f508ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8d4c29a98e64d1425f375db402c8b54024611cd1e28ef799ddeda05c8f508ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8d4c29a98e64d1425f375db402c8b54024611cd1e28ef799ddeda05c8f508ea", kill_on_drop: false }` [INFO] [stdout] c8d4c29a98e64d1425f375db402c8b54024611cd1e28ef799ddeda05c8f508ea [INFO] running `Command { std: "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" "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" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 198bf59fb6d5bd0be5843842361502ac34860d915fa8e5a6236ce2dd71a4ac30 [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" "198bf59fb6d5bd0be5843842361502ac34860d915fa8e5a6236ce2dd71a4ac30", kill_on_drop: false }` [INFO] [stderr] warning: `panic` setting is ignored for `bench` profile [INFO] [stderr] warning: `panic` setting is ignored for `test` profile [INFO] [stderr] Compiling cellular_lib v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.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/cellular_automata/cellular_process.rs:49:31 [INFO] [stdout] | [INFO] [stdout] 49 | pub type HaltFunc = Fn(&GridDataType) -> bool; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&GridDataType) -> bool` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cellular_automata/mod.rs:16:20 [INFO] [stdout] | [INFO] [stdout] 16 | pub type Printer = Fn(&str) -> (); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> ()` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cellular_automata/mod.rs:18:19 [INFO] [stdout] | [INFO] [stdout] 18 | pub type Reader = Fn() -> String; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> String` [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 issue #80165 [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 `cellular_lib` due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "198bf59fb6d5bd0be5843842361502ac34860d915fa8e5a6236ce2dd71a4ac30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "198bf59fb6d5bd0be5843842361502ac34860d915fa8e5a6236ce2dd71a4ac30", kill_on_drop: false }` [INFO] [stdout] 198bf59fb6d5bd0be5843842361502ac34860d915fa8e5a6236ce2dd71a4ac30