[INFO] fetching crate freude 0.7.0...
[INFO] documenting freude-0.7.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate freude 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate freude 0.7.0 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 crates.io crate freude 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate freude 0.7.0
[INFO] tweaked toml for crates.io crate freude 0.7.0 written to /workspace/builds/worker-1/source/Cargo.toml
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded tuple v0.4.2
[INFO] [stderr]   Downloaded ndarray-rand v0.9.0
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded cblas v0.2.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded openblas-src v0.6.1
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[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" "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] b40a135fdc9d616a00d1486a41273f27c9dcf936dd375ba10753a12e176fc017
[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" "b40a135fdc9d616a00d1486a41273f27c9dcf936dd375ba10753a12e176fc017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b40a135fdc9d616a00d1486a41273f27c9dcf936dd375ba10753a12e176fc017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40a135fdc9d616a00d1486a41273f27c9dcf936dd375ba10753a12e176fc017", kill_on_drop: false }`
[INFO] [stdout] b40a135fdc9d616a00d1486a41273f27c9dcf936dd375ba10753a12e176fc017
[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" "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] d2b468656811091a2850277bb6e5d98e5c3f345df12b34661544c5df22e5d04a
[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" "d2b468656811091a2850277bb6e5d98e5c3f345df12b34661544c5df22e5d04a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]  Documenting freude v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/stepper.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut tacc = 0f64;;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/stepper.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut tacc = 0f64;;
[INFO] [stdout]    |                             ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "d2b468656811091a2850277bb6e5d98e5c3f345df12b34661544c5df22e5d04a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b468656811091a2850277bb6e5d98e5c3f345df12b34661544c5df22e5d04a", kill_on_drop: false }`
[INFO] [stdout] d2b468656811091a2850277bb6e5d98e5c3f345df12b34661544c5df22e5d04a