[INFO] cloning repository https://github.com/ghondar/rust-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ghondar/rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghondar%2Frust-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghondar%2Frust-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 09f106acc616a91f1625f44c051e8fba98809d57 [INFO] documenting ghondar/rust-example against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghondar%2Frust-example" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ghondar/rust-example on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ghondar/rust-example [INFO] finished tweaking git repo https://github.com/ghondar/rust-example [INFO] tweaked toml for git repo https://github.com/ghondar/rust-example written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ghondar/rust-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: development [INFO] [stderr] warning: unused manifest key: production [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/SergioBenitez/Rocket.git` [INFO] [stderr] Updating git repository `https://github.com/alexcrichton/cookie-rs` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32a4cbd3d07701086c47f6a2f7f5e20d6df4f3c43f3ba06e4e44225645488327 [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" "32a4cbd3d07701086c47f6a2f7f5e20d6df4f3c43f3ba06e4e44225645488327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32a4cbd3d07701086c47f6a2f7f5e20d6df4f3c43f3ba06e4e44225645488327", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32a4cbd3d07701086c47f6a2f7f5e20d6df4f3c43f3ba06e4e44225645488327", kill_on_drop: false }` [INFO] [stdout] 32a4cbd3d07701086c47f6a2f7f5e20d6df4f3c43f3ba06e4e44225645488327 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfa22cdc9f5af6af7df838158a7348e57b83959ccf54fbccd40ef13af85acaa9 [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" "bfa22cdc9f5af6af7df838158a7348e57b83959ccf54fbccd40ef13af85acaa9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused manifest key: development [INFO] [stderr] warning: unused manifest key: production [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling matches v0.1.6 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking untrusted v0.6.1 [INFO] [stderr] Checking httparse v1.2.4 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking smallvec v0.6.1 [INFO] [stderr] Compiling indexmap v1.0.1 [INFO] [stderr] Checking hex v0.2.0 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Checking separator v0.3.1 [INFO] [stderr] Checking data-encoding v1.2.0 [INFO] [stderr] Checking bufstream v0.1.3 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [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-macro2-0.4.6/src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | #![cfg_attr(feature = "nightly", feature(proc_macro))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:284:13 [INFO] [stdout] | [INFO] [stdout] 284 | Nightly(proc_macro::SourceFile, FileName), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:289:20 [INFO] [stdout] | [INFO] [stdout] 289 | fn nightly(sf: proc_macro::SourceFile) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking isatty v0.1.8 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Compiling pear_codegen v0.1.0 (http://github.com/SergioBenitez/Pear?rev=54667ae#54667aef) [INFO] [stderr] Compiling rocket v0.4.0-dev (https://github.com/SergioBenitez/Rocket.git#df711114) [INFO] [stderr] Compiling rocket_codegen v0.4.0-dev (https://github.com/SergioBenitez/Rocket.git#df711114) [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:45 [INFO] [stdout] | [INFO] [stdout] 290 | let filename = stable::file_name(sf.path().to_string()); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex-syntax v0.6.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stdout] error[E0599]: no method named `to_string` found for struct `std::path::PathBuf` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:290:52 [INFO] [stdout] | [INFO] [stdout] 290 | let filename = stable::file_name(sf.path().to_string()); [INFO] [stdout] | ^^^^^^^^^ help: there is an associated function with a similar name: `to_str` [INFO] [stdout] | [INFO] [stdout] = note: the method `to_string` exists but the following trait bounds were not satisfied: [INFO] [stdout] `std::path::PathBuf: std::fmt::Display` [INFO] [stdout] which is required by `std::path::PathBuf: std::string::ToString` [INFO] [stdout] `std::path::Path: std::fmt::Display` [INFO] [stdout] which is required by `std::path::Path: std::string::ToString` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log v0.4.2 [INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:304:44 [INFO] [stdout] | [INFO] [stdout] 304 | SourceFile::Nightly(a, _) => a.is_real(), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [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-macro2-0.4.6/src/unstable.rs:347:27 [INFO] [stdout] | [INFO] [stdout] 347 | 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[E0658]: use of unstable library feature 'proc_macro_span' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.6/src/unstable.rs:424:55 [INFO] [stdout] | [INFO] [stdout] 424 | (Span::Nightly(a), Span::Nightly(b)) => a.eq(b), [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54725 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599, 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`. [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 `Command { std: "docker" "inspect" "bfa22cdc9f5af6af7df838158a7348e57b83959ccf54fbccd40ef13af85acaa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfa22cdc9f5af6af7df838158a7348e57b83959ccf54fbccd40ef13af85acaa9", kill_on_drop: false }` [INFO] [stdout] bfa22cdc9f5af6af7df838158a7348e57b83959ccf54fbccd40ef13af85acaa9