[INFO] cloning repository https://github.com/thbar/rust-playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thbar/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthbar%2Frust-playground"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthbar%2Frust-playground'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d43660e5c89705273ed0cf0ddb43c431f6dfbb6
[INFO] testing thbar/rust-playground against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthbar%2Frust-playground" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thbar/rust-playground 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/thbar/rust-playground
[INFO] finished tweaking git repo https://github.com/thbar/rust-playground
[INFO] tweaked toml for git repo https://github.com/thbar/rust-playground written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/thbar/rust-playground 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6ddcdb10d64861516c47b370bf669aebcb774654ca22870ba64587fcccca1417
[INFO] running `"docker" "start" "-a" "6ddcdb10d64861516c47b370bf669aebcb774654ca22870ba64587fcccca1417"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "6ddcdb10d64861516c47b370bf669aebcb774654ca22870ba64587fcccca1417"`
[INFO] running `"docker" "rm" "-f" "6ddcdb10d64861516c47b370bf669aebcb774654ca22870ba64587fcccca1417"`
[INFO] [stdout] 6ddcdb10d64861516c47b370bf669aebcb774654ca22870ba64587fcccca1417
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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] b0c2e52e7554de98358ae4c574c34f5cfb9988665b64dac68d3930009a362eec
[INFO] running `"docker" "start" "-a" "b0c2e52e7554de98358ae4c574c34f5cfb9988665b64dac68d3930009a362eec"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]    --> src/lib.rs:190:16
[INFO] [stderr]     |
[INFO] [stderr] 190 |         struct Point { x: f32, y: f32 };
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rectangle`
[INFO] [stderr]    --> src/lib.rs:191:16
[INFO] [stderr]     |
[INFO] [stderr] 191 |         struct Rectangle { a: Point, b: Point };
[INFO] [stderr]     |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `square`
[INFO] [stderr]    --> src/lib.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |         fn square(point: Point, size: f32) -> Rectangle {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "b0c2e52e7554de98358ae4c574c34f5cfb9988665b64dac68d3930009a362eec"`
[INFO] running `"docker" "rm" "-f" "b0c2e52e7554de98358ae4c574c34f5cfb9988665b64dac68d3930009a362eec"`
[INFO] [stdout] b0c2e52e7554de98358ae4c574c34f5cfb9988665b64dac68d3930009a362eec
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc716ae66ab2a048686b444b0415eed93ece7407ff2822e05bcc0dc06c510778
[INFO] running `"docker" "start" "-a" "dc716ae66ab2a048686b444b0415eed93ece7407ff2822e05bcc0dc06c510778"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]    --> src/lib.rs:190:16
[INFO] [stderr]     |
[INFO] [stderr] 190 |         struct Point { x: f32, y: f32 };
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rectangle`
[INFO] [stderr]    --> src/lib.rs:191:16
[INFO] [stderr]     |
[INFO] [stderr] 191 |         struct Rectangle { a: Point, b: Point };
[INFO] [stderr]     |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `square`
[INFO] [stderr]    --> src/lib.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |         fn square(point: Point, size: f32) -> Rectangle {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_playground-96e60dff6ff3559a
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::check_struct ... ok
[INFO] [stdout] test tests::formatter_print_for_struct ... ok
[INFO] [stdout] test tests::primitives ... ok
[INFO] [stdout] test tests::rect_area ... ok
[INFO] [stdout] test tests::printing_struct ... ok
[INFO] [stdout] test tests::square ... ok
[INFO] [stdout] test tests::tuple ... ok
[INFO] [stdout] test tests::matrix_transpose ... ok
[INFO] [stdout] test tests::formatted_print ... ok
[INFO] [stdout] test tests::array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-playground
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc716ae66ab2a048686b444b0415eed93ece7407ff2822e05bcc0dc06c510778"`
[INFO] running `"docker" "rm" "-f" "dc716ae66ab2a048686b444b0415eed93ece7407ff2822e05bcc0dc06c510778"`
[INFO] [stdout] dc716ae66ab2a048686b444b0415eed93ece7407ff2822e05bcc0dc06c510778