[INFO] cloning repository https://github.com/Ibexian/char_predictor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ibexian/char_predictor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIbexian%2Fchar_predictor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIbexian%2Fchar_predictor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4a75007895fc1f57326754287a21332c038fdf0f [INFO] testing Ibexian/char_predictor 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%2FIbexian%2Fchar_predictor" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ibexian/char_predictor 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/Ibexian/char_predictor [INFO] finished tweaking git repo https://github.com/Ibexian/char_predictor [INFO] tweaked toml for git repo https://github.com/Ibexian/char_predictor written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Ibexian/char_predictor 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8ce2773c533de0e09323921d057da92adac050ca17c7f82a72b50a2b802c7d1b [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" "8ce2773c533de0e09323921d057da92adac050ca17c7f82a72b50a2b802c7d1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ce2773c533de0e09323921d057da92adac050ca17c7f82a72b50a2b802c7d1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ce2773c533de0e09323921d057da92adac050ca17c7f82a72b50a2b802c7d1b", kill_on_drop: false }` [INFO] [stdout] 8ce2773c533de0e09323921d057da92adac050ca17c7f82a72b50a2b802c7d1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dba542e8377b7ca5c8dfdaef6c2dcd770871d2d8c1d388c75e4a1ccfd0f93490 [INFO] running `Command { std: "docker" "start" "-a" "dba542e8377b7ca5c8dfdaef6c2dcd770871d2d8c1d388c75e4a1ccfd0f93490", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.20 [INFO] [stderr] Compiling pkg-config v0.3.13 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling serde v1.0.74 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling ryu v0.2.5 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.17 [INFO] [stderr] Compiling itoa v0.4.2 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling byteorder v1.2.4 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling aligned_alloc v0.1.3 [INFO] [stderr] Compiling socket2 v0.3.7 [INFO] [stderr] Compiling filetime v0.2.1 [INFO] [stderr] Compiling log v0.4.4 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling tar v0.4.16 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/lib.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | feature(proc_macro_raw_ident, proc_macro_span) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/lib.rs:49:35 [INFO] [stdout] | [INFO] [stdout] 49 | feature(proc_macro_raw_ident, proc_macro_span) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.13/src/unstable.rs:359:27 [INFO] [stdout] | [INFO] [stdout] 359 | Span::Nightly(proc_macro::Span::def_site()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54724 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "dba542e8377b7ca5c8dfdaef6c2dcd770871d2d8c1d388c75e4a1ccfd0f93490", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dba542e8377b7ca5c8dfdaef6c2dcd770871d2d8c1d388c75e4a1ccfd0f93490", kill_on_drop: false }` [INFO] [stdout] dba542e8377b7ca5c8dfdaef6c2dcd770871d2d8c1d388c75e4a1ccfd0f93490