[INFO] cloning repository https://github.com/Wint3rmute/tiler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wint3rmute/tiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWint3rmute%2Ftiler"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWint3rmute%2Ftiler'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ba5d8abeebcb7d29af4441772bf549d81f2fdcf
[INFO] testing Wint3rmute/tiler against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWint3rmute%2Ftiler" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wint3rmute/tiler 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/Wint3rmute/tiler
[INFO] finished tweaking git repo https://github.com/Wint3rmute/tiler
[INFO] tweaked toml for git repo https://github.com/Wint3rmute/tiler written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Wint3rmute/tiler 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-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" "+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] 5b96c345bafe9b6fb5d9ab499364b5be450963ef400515ae59b32464cfe5299b
[INFO] running `"docker" "start" "-a" "5b96c345bafe9b6fb5d9ab499364b5be450963ef400515ae59b32464cfe5299b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cmd_lib v0.7.8
[INFO] [stderr]    Compiling tiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `num_of_windows`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let num_of_windows = windows.len();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_of_windows`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `"docker" "inspect" "5b96c345bafe9b6fb5d9ab499364b5be450963ef400515ae59b32464cfe5299b"`
[INFO] running `"docker" "rm" "-f" "5b96c345bafe9b6fb5d9ab499364b5be450963ef400515ae59b32464cfe5299b"`
[INFO] [stdout] 5b96c345bafe9b6fb5d9ab499364b5be450963ef400515ae59b32464cfe5299b
[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" "+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] 278a809dadd191d80e0ac9fd46aace5640d95e8d3510034e814041555275a94a
[INFO] running `"docker" "start" "-a" "278a809dadd191d80e0ac9fd46aace5640d95e8d3510034e814041555275a94a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `num_of_windows`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let num_of_windows = windows.len();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_of_windows`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]    --> src/wmctrl_window.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let window = WmctrlWindow::from_string(line).unwrap();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "278a809dadd191d80e0ac9fd46aace5640d95e8d3510034e814041555275a94a"`
[INFO] running `"docker" "rm" "-f" "278a809dadd191d80e0ac9fd46aace5640d95e8d3510034e814041555275a94a"`
[INFO] [stdout] 278a809dadd191d80e0ac9fd46aace5640d95e8d3510034e814041555275a94a
[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" "+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] 62c890fd3c2374d622cdb9455c5a6d5d88ca3f3b1aca76a0bdfd0c5b7206ebb7
[INFO] running `"docker" "start" "-a" "62c890fd3c2374d622cdb9455c5a6d5d88ca3f3b1aca76a0bdfd0c5b7206ebb7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `num_of_windows`
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let num_of_windows = windows.len();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_of_windows`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]    --> src/wmctrl_window.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let window = WmctrlWindow::from_string(line).unwrap();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiler-2e7584a3cf0e7b39
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test wmctrl_window::tests::test_normal_window ... ok
[INFO] [stdout] test wmctrl_window::tests::test_ignored_window ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "62c890fd3c2374d622cdb9455c5a6d5d88ca3f3b1aca76a0bdfd0c5b7206ebb7"`
[INFO] running `"docker" "rm" "-f" "62c890fd3c2374d622cdb9455c5a6d5d88ca3f3b1aca76a0bdfd0c5b7206ebb7"`
[INFO] [stdout] 62c890fd3c2374d622cdb9455c5a6d5d88ca3f3b1aca76a0bdfd0c5b7206ebb7