[INFO] updating cached repository https://github.com/fergusbarratt/metropolis
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e06fe2fd078c91ac2eaaac41a575c300660b3a4e
[INFO] testing fergusbarratt/metropolis against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffergusbarratt%2Fmetropolis" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  97% (38/39)   
Checking out files: 100% (39/39)   
Checking out files: 100% (39/39), done.
[INFO] validating manifest of git repo https://github.com/fergusbarratt/metropolis on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/fergusbarratt/metropolis already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/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[INFO] the lockfile is outdated, regenerating it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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7c7dfbbee741a680fc1c31b3b6f1ba91717cae651af2b2551d901778fdea15f
[INFO] running `"docker" "start" "-a" "e7c7dfbbee741a680fc1c31b3b6f1ba91717cae651af2b2551d901778fdea15f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling gnuplot v0.0.36
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling paste-impl v0.1.16
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling paste v0.1.16
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling simba v0.1.2
[INFO] [stderr]    Compiling nalgebra v0.21.0
[INFO] [stderr]    Compiling metropolis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `na::DMat`
[INFO] [stderr]  --> src/main.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | use na::{DMat};
[INFO] [stderr]   |          ^^^^ no `DMat` in the root
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `metropolis`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e7c7dfbbee741a680fc1c31b3b6f1ba91717cae651af2b2551d901778fdea15f"`
[INFO] running `"docker" "rm" "-f" "e7c7dfbbee741a680fc1c31b3b6f1ba91717cae651af2b2551d901778fdea15f"`
[INFO] [stdout] e7c7dfbbee741a680fc1c31b3b6f1ba91717cae651af2b2551d901778fdea15f