[INFO] cloning repository https://github.com/qsib-cbie/cross-lib-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qsib-cbie/cross-lib-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqsib-cbie%2Fcross-lib-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqsib-cbie%2Fcross-lib-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e94468d1a4656b2be12fb85f66afb454adb13c70
[INFO] documenting qsib-cbie/cross-lib-rs against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqsib-cbie%2Fcross-lib-rs" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qsib-cbie/cross-lib-rs on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-28/source/.cargo/config
[INFO] started tweaking git repo https://github.com/qsib-cbie/cross-lib-rs
[INFO] finished tweaking git repo https://github.com/qsib-cbie/cross-lib-rs
[INFO] tweaked toml for git repo https://github.com/qsib-cbie/cross-lib-rs written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/qsib-cbie/cross-lib-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca56ea266c91633eb923d3678fcfc2373d40161f92fd1d938bfacb23356d91fc
[INFO] running `Command { std: "docker" "start" "-a" "ca56ea266c91633eb923d3678fcfc2373d40161f92fd1d938bfacb23356d91fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca56ea266c91633eb923d3678fcfc2373d40161f92fd1d938bfacb23356d91fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca56ea266c91633eb923d3678fcfc2373d40161f92fd1d938bfacb23356d91fc", kill_on_drop: false }`
[INFO] [stdout] ca56ea266c91633eb923d3678fcfc2373d40161f92fd1d938bfacb23356d91fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfedcef64c78c24baab7d64f1fb0be3b5a165d50faaaa0c09b7fd1175fa71dba
[INFO] running `Command { std: "docker" "start" "-a" "bfedcef64c78c24baab7d64f1fb0be3b5a165d50faaaa0c09b7fd1175fa71dba", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking cstr_core v0.2.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]  Documenting greetings_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(default_alloc_error_handler)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `greetings_rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type staticlib --crate-name greetings_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bd1dcf7f7829a3db -L dependency=/opt/rustwide/target/debug/deps --extern cstr_core=/opt/rustwide/target/debug/deps/libcstr_core-a52a65686c543dae.rmeta --extern cty=/opt/rustwide/target/debug/deps/libcty-d9ae554db8a96f8f.rmeta --extern heapless=/opt/rustwide/target/debug/deps/libheapless-632524a790107094.rmeta --extern jemallocator=/opt/rustwide/target/debug/deps/libjemallocator-b44ace8610885a45.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bfedcef64c78c24baab7d64f1fb0be3b5a165d50faaaa0c09b7fd1175fa71dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfedcef64c78c24baab7d64f1fb0be3b5a165d50faaaa0c09b7fd1175fa71dba", kill_on_drop: false }`
[INFO] [stdout] bfedcef64c78c24baab7d64f1fb0be3b5a165d50faaaa0c09b7fd1175fa71dba