[INFO] cloning repository https://github.com/yoshuawuyts/exponential-backoff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshuawuyts/exponential-backoff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fexponential-backoff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fexponential-backoff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f1ca38ba7d2b1f95be26a15859664f0aafe1d44
[INFO] testing yoshuawuyts/exponential-backoff against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fexponential-backoff" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshuawuyts/exponential-backoff on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshuawuyts/exponential-backoff
[INFO] finished tweaking git repo https://github.com/yoshuawuyts/exponential-backoff
[INFO] tweaked toml for git repo https://github.com/yoshuawuyts/exponential-backoff written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshuawuyts/exponential-backoff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c70b8105002c88d3a5951eebd521176bbfb31a8c318f81740e1eff3436e86783
[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" "c70b8105002c88d3a5951eebd521176bbfb31a8c318f81740e1eff3436e86783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c70b8105002c88d3a5951eebd521176bbfb31a8c318f81740e1eff3436e86783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70b8105002c88d3a5951eebd521176bbfb31a8c318f81740e1eff3436e86783", kill_on_drop: false }`
[INFO] [stdout] c70b8105002c88d3a5951eebd521176bbfb31a8c318f81740e1eff3436e86783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 2bf2d6200d92c0cc199a74d1a03352d5f210c0a2269d9d36c7969b021d36eb64
[INFO] running `Command { std: "docker" "start" "-a" "2bf2d6200d92c0cc199a74d1a03352d5f210c0a2269d9d36c7969b021d36eb64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling exponential-backoff v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `Command { std: "docker" "inspect" "2bf2d6200d92c0cc199a74d1a03352d5f210c0a2269d9d36c7969b021d36eb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf2d6200d92c0cc199a74d1a03352d5f210c0a2269d9d36c7969b021d36eb64", kill_on_drop: false }`
[INFO] [stdout] 2bf2d6200d92c0cc199a74d1a03352d5f210c0a2269d9d36c7969b021d36eb64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 4cd3c8dac0630aa58eb66051f43891c3ee94f76d384d1f7476c2dc748494bafd
[INFO] running `Command { std: "docker" "start" "-a" "4cd3c8dac0630aa58eb66051f43891c3ee94f76d384d1f7476c2dc748494bafd", kill_on_drop: false }`
[INFO] [stderr]    Compiling exponential-backoff v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/exponential_backoff-fcf89c9c9e52af1f)
[INFO] [stderr]   Executable tests/test.rs (/opt/rustwide/target/debug/deps/test-90286696c122fe67)
[INFO] running `Command { std: "docker" "inspect" "4cd3c8dac0630aa58eb66051f43891c3ee94f76d384d1f7476c2dc748494bafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd3c8dac0630aa58eb66051f43891c3ee94f76d384d1f7476c2dc748494bafd", kill_on_drop: false }`
[INFO] [stdout] 4cd3c8dac0630aa58eb66051f43891c3ee94f76d384d1f7476c2dc748494bafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 8889fbf060dbf613832c333b87f0ca17fc8534a35b46f75fa567709c1c028486
[INFO] running `Command { std: "docker" "start" "-a" "8889fbf060dbf613832c333b87f0ca17fc8534a35b46f75fa567709c1c028486", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exponential_backoff-fcf89c9c9e52af1f)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-90286696c122fe67)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test doesnt_crash ... ok
[INFO] [stdout] test iterator_completes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exponential-backoff
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8889fbf060dbf613832c333b87f0ca17fc8534a35b46f75fa567709c1c028486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8889fbf060dbf613832c333b87f0ca17fc8534a35b46f75fa567709c1c028486", kill_on_drop: false }`
[INFO] [stdout] 8889fbf060dbf613832c333b87f0ca17fc8534a35b46f75fa567709c1c028486