[INFO] fetching crate cpr 1.1.0...
[INFO] documenting cpr-1.1.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cpr 1.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cpr 1.1.0 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 cpr 1.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cpr 1.1.0
[INFO] tweaked toml for crates.io crate cpr 1.1.0 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] [stderr]   Downloaded bio v0.9.0
[INFO] [stderr]   Downloaded nalgebra v0.4.0
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded ordered-float v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9c5addaef136a04da5bad7793451adb27d3f5cf23eaaf68da1bfec25de653b86
[INFO] running `Command { std: "docker" "start" "-a" "9c5addaef136a04da5bad7793451adb27d3f5cf23eaaf68da1bfec25de653b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c5addaef136a04da5bad7793451adb27d3f5cf23eaaf68da1bfec25de653b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5addaef136a04da5bad7793451adb27d3f5cf23eaaf68da1bfec25de653b86", kill_on_drop: false }`
[INFO] [stdout] 9c5addaef136a04da5bad7793451adb27d3f5cf23eaaf68da1bfec25de653b86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1b552f28a7bc8503f748a2417c1b73b55f528a44822f912fe489a5d2c36d1c4d
[INFO] running `Command { std: "docker" "start" "-a" "1b552f28a7bc8503f748a2417c1b73b55f528a44822f912fe489a5d2c36d1c4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.4.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking ordered-float v0.2.3
[INFO] [stderr]     Checking bit-set v0.3.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking nalgebra v0.4.0
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/dmat.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::{self, Rand};
[INFO] [stdout]   |                  ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/dvec.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::{self, Rand};
[INFO] [stdout]   |                  ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/vec.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::{Rand, Rng};
[INFO] [stdout]    |            ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/pnt.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::{Rand, Rng};
[INFO] [stdout]    |            ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/quat.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::{Rand, Rng};
[INFO] [stdout]   |            ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/mat.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{Rand, Rng};
[INFO] [stdout]   |            ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/rot.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{Rand, Rng};
[INFO] [stdout]   |            ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/iso.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{Rand, Rng};
[INFO] [stdout]   |            ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.4.0/src/structs/spec/vec0.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{Rand, Rng};
[INFO] [stdout]   |            ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nalgebra`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1b552f28a7bc8503f748a2417c1b73b55f528a44822f912fe489a5d2c36d1c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b552f28a7bc8503f748a2417c1b73b55f528a44822f912fe489a5d2c36d1c4d", kill_on_drop: false }`
[INFO] [stdout] 1b552f28a7bc8503f748a2417c1b73b55f528a44822f912fe489a5d2c36d1c4d