[INFO] fetching crate functional 0.0.7...
[INFO] documenting functional-0.0.7 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate functional 0.0.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate functional 0.0.7 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate functional 0.0.7
[INFO] finished tweaking crates.io crate functional 0.0.7
[INFO] tweaked toml for crates.io crate functional 0.0.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ac38b8dd734f18be3bc20c6657793ebb77cd7a0fd3f55cde62bd5cda5303ea3
[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" "9ac38b8dd734f18be3bc20c6657793ebb77cd7a0fd3f55cde62bd5cda5303ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ac38b8dd734f18be3bc20c6657793ebb77cd7a0fd3f55cde62bd5cda5303ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac38b8dd734f18be3bc20c6657793ebb77cd7a0fd3f55cde62bd5cda5303ea3", kill_on_drop: false }`
[INFO] [stdout] 9ac38b8dd734f18be3bc20c6657793ebb77cd7a0fd3f55cde62bd5cda5303ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 039952705a34c1256ed95ac7f6f24811f2628187f87a959dd9dc6d510c24a934
[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" "039952705a34c1256ed95ac7f6f24811f2628187f87a959dd9dc6d510c24a934", kill_on_drop: false }`
[INFO] [stderr]  Documenting functional v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0405]: cannot find trait `Zero` in module `num`
[INFO] [stdout]   --> src/algebra/ops.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     where T: num::Zero + ops::Add<Output = T>
[INFO] [stdout]    |                   ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `One` in module `num`
[INFO] [stdout]    --> src/algebra/ops.rs:125:19
[INFO] [stdout]     |
[INFO] [stdout] 125 |     where T: num::One + ops::Mul<Output = T>
[INFO] [stdout]     |                   ^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(zero_one, type_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[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] Some errors have detailed explanations: E0405, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `functional`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name functional src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.7` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "039952705a34c1256ed95ac7f6f24811f2628187f87a959dd9dc6d510c24a934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039952705a34c1256ed95ac7f6f24811f2628187f87a959dd9dc6d510c24a934", kill_on_drop: false }`
[INFO] [stdout] 039952705a34c1256ed95ac7f6f24811f2628187f87a959dd9dc6d510c24a934
