[INFO] cloning repository https://github.com/jfeldman325/Rust-Learning-Examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfeldman325/Rust-Learning-Examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfeldman325%2FRust-Learning-Examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfeldman325%2FRust-Learning-Examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b32ce13aa45e32e6b5473a7ae44a9897c30e6af0
[INFO] documenting jfeldman325/Rust-Learning-Examples against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfeldman325%2FRust-Learning-Examples" "/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/jfeldman325/Rust-Learning-Examples on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jfeldman325/Rust-Learning-Examples
[INFO] finished tweaking git repo https://github.com/jfeldman325/Rust-Learning-Examples
[INFO] tweaked toml for git repo https://github.com/jfeldman325/Rust-Learning-Examples written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jfeldman325/Rust-Learning-Examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded criterion v0.3.1
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded num_cpus v1.12.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.1
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded bstr v0.2.12
[INFO] [stderr]   Downloaded tinytemplate v1.0.3
[INFO] [stderr]   Downloaded plotters v0.2.12
[INFO] [stderr]   Downloaded oorandom v11.1.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10ab746c6b7cb10a1a7a56d32b7cd2a5d999830e887015b51e01481a2f2fa28d
[INFO] running `Command { std: "docker" "start" "-a" "10ab746c6b7cb10a1a7a56d32b7cd2a5d999830e887015b51e01481a2f2fa28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10ab746c6b7cb10a1a7a56d32b7cd2a5d999830e887015b51e01481a2f2fa28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ab746c6b7cb10a1a7a56d32b7cd2a5d999830e887015b51e01481a2f2fa28d", kill_on_drop: false }`
[INFO] [stdout] 10ab746c6b7cb10a1a7a56d32b7cd2a5d999830e887015b51e01481a2f2fa28d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef6f0f4f29ec62b1c5e3f32031a3e71c5e8e3c6f6f1065d30fa71e892fdf532c
[INFO] running `Command { std: "docker" "start" "-a" "ef6f0f4f29ec62b1c5e3f32031a3e71c5e8e3c6f6f1065d30fa71e892fdf532c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]  Documenting loops v0.1.0 (/opt/rustwide/workdir/loops)
[INFO] [stderr]  Documenting functions v0.1.0 (/opt/rustwide/workdir/functions)
[INFO] [stderr]  Documenting traits v0.1.0 (/opt/rustwide/workdir/traits)
[INFO] [stderr]  Documenting collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stderr]  Documenting resaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]  Documenting smart_pointers v0.1.0 (/opt/rustwide/workdir/smart_pointers)
[INFO] [stderr]  Documenting minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]  Documenting errors v0.1.0 (/opt/rustwide/workdir/errors)
[INFO] [stderr]  Documenting structs v0.1.0 (/opt/rustwide/workdir/structs)
[INFO] [stderr]  Documenting lifetimes v0.1.0 (/opt/rustwide/workdir/lifetimes)
[INFO] [stderr]  Documenting iterators v0.1.0 (/opt/rustwide/workdir/iterators)
[INFO] [stdout] warning: type `Rc_List` should have an upper camel case name
[INFO] [stdout]   --> smart_pointers/src/main.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | enum Rc_List {
[INFO] [stdout]    |      ^^^^^^^ help: convert the identifier to upper camel case: `RcList`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rc_Cons` should have an upper camel case name
[INFO] [stdout]   --> smart_pointers/src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Rc_Cons(RefCell<i32>, Rc<Rc_List>),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `RcCons`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rc_Nil` should have an upper camel case name
[INFO] [stdout]   --> smart_pointers/src/main.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Rc_Nil,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `RcNil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting Enums v0.1.0 (/opt/rustwide/workdir/enums)
[INFO] [stderr] error: could not document `traits`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name traits traits/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=833292cf42361a46 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `smart_pointers`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name smart_pointers smart_pointers/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b6fb362d5ab78b15 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `iterators`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name iterators iterators/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=052a8aa83df5efec -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `collections`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name collections collections/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=93cf936bfc9f0983 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ef6f0f4f29ec62b1c5e3f32031a3e71c5e8e3c6f6f1065d30fa71e892fdf532c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6f0f4f29ec62b1c5e3f32031a3e71c5e8e3c6f6f1065d30fa71e892fdf532c", kill_on_drop: false }`
[INFO] [stdout] ef6f0f4f29ec62b1c5e3f32031a3e71c5e8e3c6f6f1065d30fa71e892fdf532c