[INFO] cloning repository https://github.com/hello2dj/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hello2dj/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhello2dj%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhello2dj%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce0d5883667b72104cdd70b2882319ddf6fdb47a [INFO] documenting hello2dj/rust-practice 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%2Fhello2dj%2Frust-practice" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hello2dj/rust-practice 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/hello2dj/rust-practice [INFO] finished tweaking git repo https://github.com/hello2dj/rust-practice [INFO] tweaked toml for git repo https://github.com/hello2dj/rust-practice written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/hello2dj/rust-practice 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] Downloading crates ... [INFO] [stderr] Downloaded flate2-crc v0.1.1 [INFO] [stderr] Downloaded mysql_common v0.9.2 [INFO] [stderr] Downloaded flate2 v1.0.5 [INFO] [stderr] Downloaded checked v0.5.0 [INFO] [stderr] Downloaded mysql v14.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9362a0832df8f5312bbb91d07aa75ac04cd07f7d18f8d55dc4c46e07cee2ef2a [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" "9362a0832df8f5312bbb91d07aa75ac04cd07f7d18f8d55dc4c46e07cee2ef2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9362a0832df8f5312bbb91d07aa75ac04cd07f7d18f8d55dc4c46e07cee2ef2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9362a0832df8f5312bbb91d07aa75ac04cd07f7d18f8d55dc4c46e07cee2ef2a", kill_on_drop: false }` [INFO] [stdout] 9362a0832df8f5312bbb91d07aa75ac04cd07f7d18f8d55dc4c46e07cee2ef2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 846f86bfd7e604153dab184f398bf4e7887310374fa0bc657acf0e3d2a3c3907 [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" "846f86bfd7e604153dab184f398bf4e7887310374fa0bc657acf0e3d2a3c3907", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling num-bigint v0.2.1 [INFO] [stderr] Compiling flate2-crc v0.1.1 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Checking bit-vec v0.5.0 [INFO] [stderr] Checking crossbeam-utils v0.6.1 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking regex-syntax v0.6.3 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Checking smallvec v0.6.6 [INFO] [stderr] Checking proc-macro2 v0.4.27 [INFO] [stderr] Checking atoi v0.2.3 [INFO] [stderr] Checking checked v0.5.0 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Checking quote v0.6.11 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking rand v0.6.1 [INFO] [stderr] Checking nix v0.11.0 [INFO] [stderr] Checking flate2 v1.0.5 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking csv v1.0.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Checking twox-hash v1.1.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Compiling serde_derive v1.0.87 [INFO] [stderr] Checking mysql_common v0.9.2 [INFO] [stderr] Checking mysql v14.1.1 [INFO] [stderr] Documenting future v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(trace_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(dbg_macro)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(try_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: Could not document `future`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name future src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern csv=/opt/rustwide/target/debug/deps/libcsv-852b824c60b5169b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-d9b4b658eae13ced.rmeta --extern mysql=/opt/rustwide/target/debug/deps/libmysql-f770bc85c2e1d569.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-50784ef8351ff106.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-64b20dc0bca8d2de.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9d5ae4615c4db4f5.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-ccddb0f58f082124.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e8731823fa7091df.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-a113980eeded5640.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-162449c88967cdd9.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "846f86bfd7e604153dab184f398bf4e7887310374fa0bc657acf0e3d2a3c3907", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "846f86bfd7e604153dab184f398bf4e7887310374fa0bc657acf0e3d2a3c3907", kill_on_drop: false }` [INFO] [stdout] 846f86bfd7e604153dab184f398bf4e7887310374fa0bc657acf0e3d2a3c3907