[INFO] cloning repository https://github.com/yoshuawuyts/spec-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshuawuyts/spec-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fspec-rust"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fspec-rust'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ee3bdc39b06bdf691f8904f0f8146917db90c36a [INFO] testing yoshuawuyts/spec-rust against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fspec-rust" "/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/yoshuawuyts/spec-rust on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/yoshuawuyts/spec-rust [INFO] finished tweaking git repo https://github.com/yoshuawuyts/spec-rust [INFO] tweaked toml for git repo https://github.com/yoshuawuyts/spec-rust written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/yoshuawuyts/spec-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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" "+1.44.0" "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] c7a4a6515cfb56d2b3757d219099a700dcb67fcc90a1db16fabc84352e8bf060 [INFO] running `"docker" "start" "-a" "c7a4a6515cfb56d2b3757d219099a700dcb67fcc90a1db16fabc84352e8bf060"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling either v1.4.0 [INFO] [stderr] Compiling futures v0.1.21 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling slab v0.4.0 [INFO] [stderr] Compiling lazycell v0.6.0 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling rayon-core v1.3.0 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling bindgen v0.32.3 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling ansi_term v0.10.2 [INFO] [stderr] Compiling rustc-demangle v0.1.8 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling futures-await-await-macro v0.1.1 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling which v1.0.3 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling proc-macro2 v0.2.2 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable 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 crossbeam-utils v0.3.2 [INFO] [stderr] Compiling net2 v0.2.32 [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 arrayvec v0.4.7 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling futures-core v0.2.1 [INFO] [stderr] Compiling coco v0.1.1 [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:355:69 [INFO] [stderr] | [INFO] [stderr] 355 | (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(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_span' [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:363:69 [INFO] [stderr] | [INFO] [stderr] 363 | (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(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_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] Compiling textwrap v0.9.0 [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 11 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" "c7a4a6515cfb56d2b3757d219099a700dcb67fcc90a1db16fabc84352e8bf060"` [INFO] running `"docker" "rm" "-f" "c7a4a6515cfb56d2b3757d219099a700dcb67fcc90a1db16fabc84352e8bf060"` [INFO] [stdout] c7a4a6515cfb56d2b3757d219099a700dcb67fcc90a1db16fabc84352e8bf060