[INFO] updating cached repository https://github.com/bluecereal/obj_collatz
[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] 9af8c9e375bb099f08dba317af2748af8c2d376d
[INFO] checking bluecereal/obj_collatz against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluecereal%2Fobj_collatz" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bluecereal/obj_collatz on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bluecereal/obj_collatz
[INFO] finished tweaking git repo https://github.com/bluecereal/obj_collatz
[INFO] tweaked toml for git repo https://github.com/bluecereal/obj_collatz written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bluecereal/obj_collatz already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 39753a1da453b6468139e8b4c9411d3ae3b57740b3e695df8a48f9bd5152e588
[INFO] running `"docker" "start" "-a" "39753a1da453b6468139e8b4c9411d3ae3b57740b3e695df8a48f9bd5152e588"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.22.0
[INFO] [stderr]     Checking glutin v0.24.0
[INFO] [stderr]     Checking glium v0.27.0
[INFO] [stderr]     Checking obj_collaz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `glium::DisplayBuild`
[INFO] [stderr]  --> src/main.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use glium::{DisplayBuild, Surface};
[INFO] [stderr]   |                 ^^^^^^^^^^^^ no `DisplayBuild` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `WindowBuilder` in `glutin`
[INFO] [stderr]   --> src/main.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let display = glium::glutin::WindowBuilder::new()
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ could not find `WindowBuilder` in `glutin`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Event` in `glutin`
[INFO] [stderr]    --> src/main.rs:138:32
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 glium::glutin::Event::Closed => return,
[INFO] [stderr]     |                                ^^^^^ could not find `Event` in `glutin`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `glium::DisplayBuild`
[INFO] [stderr]  --> src/main.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use glium::{DisplayBuild, Surface};
[INFO] [stderr]   |                 ^^^^^^^^^^^^ no `DisplayBuild` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `WindowBuilder` in `glutin`
[INFO] [stderr]   --> src/main.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let display = glium::glutin::WindowBuilder::new()
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ could not find `WindowBuilder` in `glutin`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `Event` in `glutin`
[INFO] [stderr]    --> src/main.rs:138:32
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 glium::glutin::Event::Closed => return,
[INFO] [stderr]     |                                ^^^^^ could not find `Event` in `glutin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Surface`
[INFO] [stderr]  --> src/main.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use glium::{DisplayBuild, Surface};
[INFO] [stderr]   |                               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] warning: unused import: `Surface`
[INFO] [stderr]  --> src/main.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use glium::{DisplayBuild, Surface};
[INFO] [stderr]   |                               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `obj_collaz`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `obj_collaz`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "39753a1da453b6468139e8b4c9411d3ae3b57740b3e695df8a48f9bd5152e588"`
[INFO] running `"docker" "rm" "-f" "39753a1da453b6468139e8b4c9411d3ae3b57740b3e695df8a48f9bd5152e588"`
[INFO] [stdout] 39753a1da453b6468139e8b4c9411d3ae3b57740b3e695df8a48f9bd5152e588