[INFO] cloning repository https://github.com/danielnehrig/i3-timer-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielnehrig/i3-timer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielnehrig%2Fi3-timer-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielnehrig%2Fi3-timer-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5ef9292675230acd003effc86a3986f5dbbaba2
[INFO] testing danielnehrig/i3-timer-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielnehrig%2Fi3-timer-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danielnehrig/i3-timer-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danielnehrig/i3-timer-rust
[INFO] finished tweaking git repo https://github.com/danielnehrig/i3-timer-rust
[INFO] tweaked toml for git repo https://github.com/danielnehrig/i3-timer-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/danielnehrig/i3-timer-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1922dec74005a8a459e0942c73e05d797bf633f489807e1c1b9384648ebfbe1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1922dec74005a8a459e0942c73e05d797bf633f489807e1c1b9384648ebfbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1922dec74005a8a459e0942c73e05d797bf633f489807e1c1b9384648ebfbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1922dec74005a8a459e0942c73e05d797bf633f489807e1c1b9384648ebfbe1", kill_on_drop: false }`
[INFO] [stdout] f1922dec74005a8a459e0942c73e05d797bf633f489807e1c1b9384648ebfbe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1244c334d6ddd4b68012124e2f2b3f296537f6f969dae244bb5e1aa1f3ced104
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1244c334d6ddd4b68012124e2f2b3f296537f6f969dae244bb5e1aa1f3ced104", kill_on_drop: false }`
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling timer v0.2.0
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `timer2`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let timer2 = Timer::new();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_timer2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "1244c334d6ddd4b68012124e2f2b3f296537f6f969dae244bb5e1aa1f3ced104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1244c334d6ddd4b68012124e2f2b3f296537f6f969dae244bb5e1aa1f3ced104", kill_on_drop: false }`
[INFO] [stdout] 1244c334d6ddd4b68012124e2f2b3f296537f6f969dae244bb5e1aa1f3ced104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d3ca1653500f9ab837dcf909581158c702278807ed5dc56194cd1e52fb3e92e
[INFO] running `Command { std: "docker" "start" "-a" "5d3ca1653500f9ab837dcf909581158c702278807ed5dc56194cd1e52fb3e92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `timer2`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let timer2 = Timer::new();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_timer2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d3ca1653500f9ab837dcf909581158c702278807ed5dc56194cd1e52fb3e92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3ca1653500f9ab837dcf909581158c702278807ed5dc56194cd1e52fb3e92e", kill_on_drop: false }`
[INFO] [stdout] 5d3ca1653500f9ab837dcf909581158c702278807ed5dc56194cd1e52fb3e92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5cdbfb8a8cc56adb9739e8945b7e6d218dc8f6e8636d5a00b16566ba39f15ec8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5cdbfb8a8cc56adb9739e8945b7e6d218dc8f6e8636d5a00b16566ba39f15ec8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `timer2`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let timer2 = Timer::new();
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_timer2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `timer` (bin "timer" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/timer-4e23691307148734)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5cdbfb8a8cc56adb9739e8945b7e6d218dc8f6e8636d5a00b16566ba39f15ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cdbfb8a8cc56adb9739e8945b7e6d218dc8f6e8636d5a00b16566ba39f15ec8", kill_on_drop: false }`
[INFO] [stdout] 5cdbfb8a8cc56adb9739e8945b7e6d218dc8f6e8636d5a00b16566ba39f15ec8