[INFO] cloning repository https://github.com/dicej/ordmap_performance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dicej/ordmap_performance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdicej%2Fordmap_performance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdicej%2Fordmap_performance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1d2be2eaaf79f3af036300f3906b3a7356fc90b
[INFO] documenting dicej/ordmap_performance 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%2Fdicej%2Fordmap_performance" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dicej/ordmap_performance 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/dicej/ordmap_performance
[INFO] removed path dependency im from git repo https://github.com/dicej/ordmap_performance
[INFO] finished tweaking git repo https://github.com/dicej/ordmap_performance
[INFO] tweaked toml for git repo https://github.com/dicej/ordmap_performance written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dicej/ordmap_performance 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: dependency (im) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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: dependency (im) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 54737ce007afcdc7df36a4ac9ea3c75950e685748871c33c98ab06174a46b9c4
[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" "54737ce007afcdc7df36a4ac9ea3c75950e685748871c33c98ab06174a46b9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54737ce007afcdc7df36a4ac9ea3c75950e685748871c33c98ab06174a46b9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54737ce007afcdc7df36a4ac9ea3c75950e685748871c33c98ab06174a46b9c4", kill_on_drop: false }`
[INFO] [stdout] 54737ce007afcdc7df36a4ac9ea3c75950e685748871c33c98ab06174a46b9c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 33be2102daf2280a3066f39bbe366db8b1f4012fed6c73f35b5b27212ed413c2
[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" "33be2102daf2280a3066f39bbe366db8b1f4012fed6c73f35b5b27212ed413c2", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (im) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]  Documenting ordmap_performance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `im::nodes::btree::OrdValue`
[INFO] [stdout]  --> src/lib.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | use im::nodes::btree::{Insert, Node, OrdValue, Remove};
[INFO] [stdout]   |                                      ^^^^^^^^ no `OrdValue` in `nodes::btree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `nodes` is private
[INFO] [stdout]    --> src/lib.rs:9:9
[INFO] [stdout]     |
[INFO] [stdout] 9   | use im::nodes::btree::{Insert, Node, OrdValue, Remove};
[INFO] [stdout]     |         ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `nodes` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/im-15.0.0/./src/lib.rs:348:1
[INFO] [stdout]     |
[INFO] [stdout] 348 | mod nodes;
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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: E0432, E0554, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `ordmap_performance`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name ordmap_performance 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 --extern im=/opt/rustwide/target/debug/deps/libim-8302b4ba6a5ed173.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-60cac7cb77d1a4e3.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "33be2102daf2280a3066f39bbe366db8b1f4012fed6c73f35b5b27212ed413c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33be2102daf2280a3066f39bbe366db8b1f4012fed6c73f35b5b27212ed413c2", kill_on_drop: false }`
[INFO] [stdout] 33be2102daf2280a3066f39bbe366db8b1f4012fed6c73f35b5b27212ed413c2