[INFO] updating cached repository https://github.com/rustox/futures-example [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] 07218dd3a2cc5fbcfeb60006fed83b0c677850d7 [INFO] testing rustox/futures-example against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustox%2Ffutures-example" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rustox/futures-example 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/rustox/futures-example [INFO] finished tweaking git repo https://github.com/rustox/futures-example [INFO] tweaked toml for git repo https://github.com/rustox/futures-example written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/rustox/futures-example 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 34556476f3c6a0028bda4f63ed970a6c804b07946dec7c0239ea7e4cace1d683 [INFO] running `"docker" "start" "-a" "34556476f3c6a0028bda4f63ed970a6c804b07946dec7c0239ea7e4cace1d683"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Compiling futures-await-await-macro v0.1.2 (https://github.com/alexcrichton/futures-await#cd38b747) [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling log v0.4.2 [INFO] [stderr] Compiling net2 v0.2.32 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling tokio-timer v0.2.4 [INFO] [stderr] Compiling crossbeam-epoch v0.4.3 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/lib.rs:47:34 [INFO] [stderr] | [INFO] [stderr] 47 | #![cfg_attr(feature = "nightly", feature(proc_macro))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling bytes v0.4.8 [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:284:13 [INFO] [stderr] | [INFO] [stderr] 284 | Nightly(proc_macro::SourceFile, FileName), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54725 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:289:20 [INFO] [stderr] | [INFO] [stderr] 289 | fn nightly(sf: proc_macro::SourceFile) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54725 for more information [INFO] [stderr] [INFO] [stderr] Compiling futures-core v0.2.1 [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:45 [INFO] [stderr] | [INFO] [stderr] 290 | let filename = stable::file_name(sf.path().to_string()); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54725 for more information [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `to_string` found for struct `std::path::PathBuf` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:52 [INFO] [stderr] | [INFO] [stderr] 290 | let filename = stable::file_name(sf.path().to_string()); [INFO] [stderr] | ^^^^^^^^^ help: there is an associated function with a similar name: `to_str` [INFO] [stderr] | [INFO] [stderr] = note: the method `to_string` exists but the following trait bounds were not satisfied: [INFO] [stderr] `std::path::PathBuf: std::fmt::Display` [INFO] [stderr] which is required by `std::path::PathBuf: std::string::ToString` [INFO] [stderr] `std::path::Path: std::fmt::Display` [INFO] [stderr] which is required by `std::path::Path: std::string::ToString` [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:304:44 [INFO] [stderr] | [INFO] [stderr] 304 | SourceFile::Nightly(a, _) => a.is_real(), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54725 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:347:27 [INFO] [stderr] | [INFO] [stderr] 347 | Span::Nightly(proc_macro::Span::def_site()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54724 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:424:55 [INFO] [stderr] | [INFO] [stderr] 424 | (Span::Nightly(a), Span::Nightly(b)) => a.eq(b), [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54725 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_raw_ident' [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:475:48 [INFO] [stderr] | [INFO] [stderr] 475 | Span::Nightly(s) => Ident::Nightly(proc_macro::Ident::new_raw(string, s)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54723 for more information [INFO] [stderr] [INFO] [stderr] error: aborting due to 9 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0554, E0599, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `proc-macro2`. [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] [stderr] error: build failed [INFO] running `"docker" "inspect" "34556476f3c6a0028bda4f63ed970a6c804b07946dec7c0239ea7e4cace1d683"` [INFO] running `"docker" "rm" "-f" "34556476f3c6a0028bda4f63ed970a6c804b07946dec7c0239ea7e4cace1d683"` [INFO] [stdout] 34556476f3c6a0028bda4f63ed970a6c804b07946dec7c0239ea7e4cace1d683