[INFO] cloning repository https://github.com/zmbush/traffic-sim
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zmbush/traffic-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmbush%2Ftraffic-sim"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmbush%2Ftraffic-sim'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b2559d5f733b9e0e4321912a14e4ec8992f6ef06
[INFO] testing zmbush/traffic-sim against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzmbush%2Ftraffic-sim" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zmbush/traffic-sim 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/zmbush/traffic-sim
[INFO] finished tweaking git repo https://github.com/zmbush/traffic-sim
[INFO] tweaked toml for git repo https://github.com/zmbush/traffic-sim written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/zmbush/traffic-sim 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-7/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[INFO] the lockfile is outdated, regenerating it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] 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6d3d4591f2b602b1235568ad21e7a07d4f948f6a6fdaae14e68c005b2b29d41e
[INFO] running `"docker" "start" "-a" "6d3d4591f2b602b1235568ad21e7a07d4f948f6a6fdaae14e68c005b2b29d41e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sfml-build v0.3.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling widestring v0.4.0
[INFO] [stderr]    Compiling csfml-system-sys v0.5.0
[INFO] [stderr]    Compiling csfml-window-sys v0.5.0
[INFO] [stderr]    Compiling csfml-graphics-sys v0.5.0
[INFO] [stderr]    Compiling csfml-audio-sys v0.5.0
[INFO] [stderr]    Compiling sfml v0.15.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling traffic-sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `sfml::traits`
[INFO] [stderr]  --> src/scenario.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sfml::traits::Drawable;
[INFO] [stderr]   |           ^^^^^^ could not find `traits` in `sfml`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `sfml::window::mouse::MouseButton`
[INFO] [stderr]   --> src/main.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 | use sfml::window::mouse::MouseButton::MouseLeft;
[INFO] [stderr]    |                          ^^^^^^^^^^^ could not find `MouseButton` in `mouse`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `Close` in module `window`
[INFO] [stderr]   --> src/main.rs:30:48
[INFO] [stderr]    |
[INFO] [stderr] 30 | ...                   window::Close,
[INFO] [stderr]    |                               ^^^^^ not found in `window`
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `keyboard` is private
[INFO] [stderr]   --> src/main.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 | use sfml::window::keyboard::Key;
[INFO] [stderr]    |                   ^^^^^^^^ private module
[INFO] [stderr]    |
[INFO] [stderr] note: the module `keyboard` is defined here
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sfml-0.15.1/src/window/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | mod keyboard;
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `event` is private
[INFO] [stderr]   --> src/main.rs:23:54
[INFO] [stderr]    |
[INFO] [stderr] 23 | use sfml::window::{self, ContextSettings, VideoMode, event};
[INFO] [stderr]    |                                                      ^^^^^ private module
[INFO] [stderr]    |
[INFO] [stderr] note: the module `event` is defined here
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sfml-0.15.1/src/window/mod.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | mod event;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![feature(convert)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scenario.rs:87:24
[INFO] [stderr]    |
[INFO] [stderr] 87 |     driver: Option<Box<Driver>>
[INFO] [stderr]    |                        ^^^^^^ help: use `dyn`: `dyn Driver`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0554, E0603.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `traffic-sim`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6d3d4591f2b602b1235568ad21e7a07d4f948f6a6fdaae14e68c005b2b29d41e"`
[INFO] running `"docker" "rm" "-f" "6d3d4591f2b602b1235568ad21e7a07d4f948f6a6fdaae14e68c005b2b29d41e"`
[INFO] [stdout] 6d3d4591f2b602b1235568ad21e7a07d4f948f6a6fdaae14e68c005b2b29d41e