[INFO] fetching crate bits 0.0.4...
[INFO] documenting bits-0.0.4 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate bits 0.0.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bits 0.0.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bits 0.0.4
[INFO] finished tweaking crates.io crate bits 0.0.4
[INFO] tweaked toml for crates.io crate bits 0.0.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc522aa9334f496c4f6d9e1c91353526ab5cea8ad4c262f7a6d71b225255cf8e
[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" "cc522aa9334f496c4f6d9e1c91353526ab5cea8ad4c262f7a6d71b225255cf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc522aa9334f496c4f6d9e1c91353526ab5cea8ad4c262f7a6d71b225255cf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc522aa9334f496c4f6d9e1c91353526ab5cea8ad4c262f7a6d71b225255cf8e", kill_on_drop: false }`
[INFO] [stdout] cc522aa9334f496c4f6d9e1c91353526ab5cea8ad4c262f7a6d71b225255cf8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c8e5e96efdc28626465c022be3ab72f94c68b8211839c52289cdaf589da29b
[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" "b5c8e5e96efdc28626465c022be3ab72f94c68b8211839c52289cdaf589da29b", kill_on_drop: false }`
[INFO] [stderr]  Documenting bits v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0405]: cannot find trait `Int` in module `num`
[INFO] [stdout]  --> src/generic.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait BitOps: num::Int {
[INFO] [stdout]   |                        ^^^ not found in `num`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 | use generic::ops::range::fmt::num::Int;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Int` in module `num`
[INFO] [stdout]    --> src/generic.rs:254:14
[INFO] [stdout]     |
[INFO] [stdout] 254 | impl<T: num::Int> BitOps for T {}
[INFO] [stdout]     |              ^^^ not found in `num`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 1   | use generic::ops::range::fmt::num::Int;
[INFO] [stdout]     |
[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(core)]
[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] 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 `bits`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name bits 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 0.0.4` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "b5c8e5e96efdc28626465c022be3ab72f94c68b8211839c52289cdaf589da29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c8e5e96efdc28626465c022be3ab72f94c68b8211839c52289cdaf589da29b", kill_on_drop: false }`
[INFO] [stdout] b5c8e5e96efdc28626465c022be3ab72f94c68b8211839c52289cdaf589da29b
