[INFO] cloning repository https://github.com/fergusbarratt/metropolis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fergusbarratt/metropolis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffergusbarratt%2Fmetropolis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffergusbarratt%2Fmetropolis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e06fe2fd078c91ac2eaaac41a575c300660b3a4e
[INFO] documenting fergusbarratt/metropolis 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%2Ffergusbarratt%2Fmetropolis" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fergusbarratt/metropolis 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/fergusbarratt/metropolis
[INFO] finished tweaking git repo https://github.com/fergusbarratt/metropolis
[INFO] tweaked toml for git repo https://github.com/fergusbarratt/metropolis written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/fergusbarratt/metropolis 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]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/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[INFO] the lockfile is outdated, regenerating it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]  Downloading crates ...
[INFO] [stderr]   Downloaded gnuplot v0.0.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 573bac96b5290013e485ddd2115edb1b1333463a1f699bae7e3b35aa70854d31
[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" "573bac96b5290013e485ddd2115edb1b1333463a1f699bae7e3b35aa70854d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "573bac96b5290013e485ddd2115edb1b1333463a1f699bae7e3b35aa70854d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573bac96b5290013e485ddd2115edb1b1333463a1f699bae7e3b35aa70854d31", kill_on_drop: false }`
[INFO] [stdout] 573bac96b5290013e485ddd2115edb1b1333463a1f699bae7e3b35aa70854d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 681cd6348ae374bba642ea9e525f4958898cadacaf400406efd5fc55d4b95aa1
[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" "681cd6348ae374bba642ea9e525f4958898cadacaf400406efd5fc55d4b95aa1", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking gnuplot v0.0.37
[INFO] [stderr]     Checking simba v0.2.0
[INFO] [stderr]     Checking nalgebra v0.22.0
[INFO] [stderr]  Documenting metropolis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `na::DMat`
[INFO] [stdout]  --> src/main.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use na::{DMat};
[INFO] [stdout]   |          ^^^^ no `DMat` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 document `metropolis`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name metropolis src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern gnuplot=/opt/rustwide/target/debug/deps/libgnuplot-92ec028779a76165.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-5d2929c5dc37cbc3.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-ae94c17aea0ddbf6.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-76c2f19b1103e931.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c42c7071001c27f2.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "681cd6348ae374bba642ea9e525f4958898cadacaf400406efd5fc55d4b95aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681cd6348ae374bba642ea9e525f4958898cadacaf400406efd5fc55d4b95aa1", kill_on_drop: false }`
[INFO] [stdout] 681cd6348ae374bba642ea9e525f4958898cadacaf400406efd5fc55d4b95aa1