[INFO] crate square 0.0.1 is already in cache
[INFO] testing square-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate square 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate square 0.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate square 0.0.1
[INFO] finished tweaking crates.io crate square 0.0.1
[INFO] tweaked toml for crates.io crate square 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "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] aea33d78ae1912ca87110985a82d49fbd1f2409db68f602cba0c034e5914e666
[INFO] running `"docker" "start" "-a" "aea33d78ae1912ca87110985a82d49fbd1f2409db68f602cba0c034e5914e666"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.3.0
[INFO] [stderr]    Compiling square v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `"docker" "inspect" "aea33d78ae1912ca87110985a82d49fbd1f2409db68f602cba0c034e5914e666"`
[INFO] running `"docker" "rm" "-f" "aea33d78ae1912ca87110985a82d49fbd1f2409db68f602cba0c034e5914e666"`
[INFO] [stdout] aea33d78ae1912ca87110985a82d49fbd1f2409db68f602cba0c034e5914e666
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6314e6caef17b0a609031c7bd63c28fc599f1874b8ac2c2d179b900a92a4aca5
[INFO] running `"docker" "start" "-a" "6314e6caef17b0a609031c7bd63c28fc599f1874b8ac2c2d179b900a92a4aca5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling square v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Application`
[INFO] [stderr]  --> examples/playground.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let app = Application::new();
[INFO] [stderr]   |               ^^^^^^^^^^^ use of undeclared type or module `Application`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Window`
[INFO] [stderr]  --> examples/playground.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let window = Window::new(900., 700.);
[INFO] [stderr]   |                  ^^^^^^ use of undeclared type or module `Window`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SolidColor`
[INFO] [stderr]   --> examples/playground.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut top_bar = SolidColor::new(0xeaeaeb);
[INFO] [stderr]    |                       ^^^^^^^^^^ use of undeclared type or module `SolidColor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SolidColor`
[INFO] [stderr]   --> examples/playground.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut top_bar_border = SolidColor::new(0xdbdbdc);
[INFO] [stderr]    |                              ^^^^^^^^^^ use of undeclared type or module `SolidColor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SolidColor`
[INFO] [stderr]   --> examples/playground.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut bottom_bar = SolidColor::new(0xeaeaeb);
[INFO] [stderr]    |                          ^^^^^^^^^^ use of undeclared type or module `SolidColor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SolidColor`
[INFO] [stderr]   --> examples/playground.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut bottom_bar_border = SolidColor::new(0xdbdbdc);
[INFO] [stderr]    |                                 ^^^^^^^^^^ use of undeclared type or module `SolidColor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Text`
[INFO] [stderr]   --> examples/playground.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut line_1 = Text::new();
[INFO] [stderr]    |                      ^^^^ use of undeclared type or module `Text`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Row`
[INFO] [stderr]   --> examples/playground.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut main = Row::new();
[INFO] [stderr]    |                    ^^^ use of undeclared type or module `Row`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Column`
[INFO] [stderr]   --> examples/playground.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut container = Column::new();
[INFO] [stderr]    |                         ^^^^^^ use of undeclared type or module `Column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `square::*`
[INFO] [stderr]  --> examples/playground.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use square::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `square`.
[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: build failed
[INFO] running `"docker" "inspect" "6314e6caef17b0a609031c7bd63c28fc599f1874b8ac2c2d179b900a92a4aca5"`
[INFO] running `"docker" "rm" "-f" "6314e6caef17b0a609031c7bd63c28fc599f1874b8ac2c2d179b900a92a4aca5"`
[INFO] [stdout] 6314e6caef17b0a609031c7bd63c28fc599f1874b8ac2c2d179b900a92a4aca5