[INFO] crate futures-backoff 0.1.0 is already in cache
[INFO] testing futures-backoff-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate futures-backoff 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate futures-backoff 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-backoff 0.1.0
[INFO] finished tweaking crates.io crate futures-backoff 0.1.0
[INFO] tweaked toml for crates.io crate futures-backoff 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dd01c9c2d605a4addff25bece287584ca0d4896f08ebe8d9943f0e570663590
[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" "6dd01c9c2d605a4addff25bece287584ca0d4896f08ebe8d9943f0e570663590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dd01c9c2d605a4addff25bece287584ca0d4896f08ebe8d9943f0e570663590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd01c9c2d605a4addff25bece287584ca0d4896f08ebe8d9943f0e570663590", kill_on_drop: false }`
[INFO] [stdout] 6dd01c9c2d605a4addff25bece287584ca0d4896f08ebe8d9943f0e570663590
[INFO] running `Command { std: "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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56b6057e241351cfa810c8cf386a74a6fe0a8d34f5891cf807ede5beab043daf
[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" "56b6057e241351cfa810c8cf386a74a6fe0a8d34f5891cf807ede5beab043daf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling futures-timer v0.1.1
[INFO] [stderr]    Compiling futures-backoff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "56b6057e241351cfa810c8cf386a74a6fe0a8d34f5891cf807ede5beab043daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b6057e241351cfa810c8cf386a74a6fe0a8d34f5891cf807ede5beab043daf", kill_on_drop: false }`
[INFO] [stdout] 56b6057e241351cfa810c8cf386a74a6fe0a8d34f5891cf807ede5beab043daf
[INFO] running `Command { std: "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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44592a7fb587e8cbd71bc948652513e84b0ed56aa363b839fd317fccd9400d9e
[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" "44592a7fb587e8cbd71bc948652513e84b0ed56aa363b839fd317fccd9400d9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling futures-backoff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "44592a7fb587e8cbd71bc948652513e84b0ed56aa363b839fd317fccd9400d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44592a7fb587e8cbd71bc948652513e84b0ed56aa363b839fd317fccd9400d9e", kill_on_drop: false }`
[INFO] [stdout] 44592a7fb587e8cbd71bc948652513e84b0ed56aa363b839fd317fccd9400d9e
[INFO] running `Command { std: "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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38fd3499086e1b17b55a7025e6f9e34cb0f61202ef4712197407761cf3bcd6e5
[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" "38fd3499086e1b17b55a7025e6f9e34cb0f61202ef4712197407761cf3bcd6e5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_backoff-c98cbe9c61b573a9
[INFO] [stdout] test strategy::exponential_returns_max_when_max_less_than_base ... ok
[INFO] [stdout] test future::tests::attempts_just_once ... ok
[INFO] [stdout] test strategy::fixed_returns_delay ... ok
[INFO] [stdout] test strategy::jitter::apply_jitter_quickcheck ... ok
[INFO] [stdout] test strategy::fibonacci_returns_max_when_max_less_than_base ... ok
[INFO] [stdout] test strategy::exponential_returns_multiples_of_100ms ... ok
[INFO] [stdout] test strategy::fibonacci_stops_increasing_at_max_delay ... ok
[INFO] [stdout] test strategy::exponential_stops_increasing_at_max_delay ... ok
[INFO] [stdout] test strategy::exponential_returns_multiples_of_10ms ... ok
[INFO] [stdout] test strategy::fibonacci_returns_the_fibonacci_series_starting_at_10 ... ok
[INFO] [stdout] test future::tests::attempts_retry_only_if_given_condition_is_true ... ok
[INFO] [stdout] test future::tests::attempts_until_max_retries_exceeded ... ok
[INFO] [stderr]    Doc-tests futures-backoff
[INFO] [stdout] test future::tests::attempts_until_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/strategy/mod.rs - strategy::Strategy (line 29) ... ok
[INFO] [stdout] test src/lib.rs - retry (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - retry_if (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38fd3499086e1b17b55a7025e6f9e34cb0f61202ef4712197407761cf3bcd6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fd3499086e1b17b55a7025e6f9e34cb0f61202ef4712197407761cf3bcd6e5", kill_on_drop: false }`
[INFO] [stdout] 38fd3499086e1b17b55a7025e6f9e34cb0f61202ef4712197407761cf3bcd6e5