[INFO] updating cached repository funmaker/rust-notifier [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/funmaker/rust-notifier [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/funmaker/rust-notifier" "work/ex/beta-1.38-1/sources/1.37.0/gh/funmaker/rust-notifier"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/funmaker/rust-notifier'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/funmaker/rust-notifier" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/funmaker/rust-notifier"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/funmaker/rust-notifier'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f318133790ecf80cc2484bc23ab3ff9c14f37ab0 [INFO] sha for GitHub repo funmaker/rust-notifier: f318133790ecf80cc2484bc23ab3ff9c14f37ab0 [INFO] validating manifest of funmaker/rust-notifier on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of funmaker/rust-notifier on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing funmaker/rust-notifier [INFO] finished frobbing funmaker/rust-notifier [INFO] frobbed toml for funmaker/rust-notifier written to work/ex/beta-1.38-1/sources/1.37.0/gh/funmaker/rust-notifier/Cargo.toml [INFO] started frobbing funmaker/rust-notifier [INFO] finished frobbing funmaker/rust-notifier [INFO] frobbed toml for funmaker/rust-notifier written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/funmaker/rust-notifier/Cargo.toml [INFO] crate funmaker/rust-notifier already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing funmaker/rust-notifier against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/funmaker/rust-notifier:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 07604c93bfaad162892afe164c5adf7e6cd52d85841d74ee14f5138032ed29da [INFO] running `"docker" "start" "-a" "07604c93bfaad162892afe164c5adf7e6cd52d85841d74ee14f5138032ed29da"` [INFO] [stderr] Compiling base64 v0.5.2 [INFO] [stderr] Compiling socket2 v0.3.7 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling curl-sys v0.4.6 [INFO] [stderr] Compiling proc-macro2 v0.4.8 [INFO] [stderr] Compiling tokio-io v0.1.7 [INFO] [stderr] Compiling derive_builder_core v0.2.0 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Compiling tokio-threadpool v0.1.5 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.8/src/lib.rs:47:34 [INFO] [stderr] | [INFO] [stderr] 47 | #![cfg_attr(feature = "nightly", feature(proc_macro_raw_ident, proc_macro_span))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `to_string` found for type `std::path::PathBuf` in the current scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.8/src/unstable.rs:290:52 [INFO] [stderr] | [INFO] [stderr] 290 | let filename = stable::file_name(sf.path().to_string()); [INFO] [stderr] | ^^^^^^^^^ help: there is a method 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::Path : std::string::ToString` [INFO] [stderr] `std::path::PathBuf : std::string::ToString` [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site' [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.8/src/unstable.rs:347:27 [INFO] [stderr] | [INFO] [stderr] 347 | Span::Nightly(proc_macro::Span::def_site()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/54724 [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 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] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "07604c93bfaad162892afe164c5adf7e6cd52d85841d74ee14f5138032ed29da"` [INFO] running `"docker" "rm" "-f" "07604c93bfaad162892afe164c5adf7e6cd52d85841d74ee14f5138032ed29da"` [INFO] [stdout] 07604c93bfaad162892afe164c5adf7e6cd52d85841d74ee14f5138032ed29da