[INFO] fetching crate kepler_backoff 0.1.0...
[INFO] testing kepler_backoff-0.1.0 against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] extracting crate kepler_backoff 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate kepler_backoff 0.1.0 on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kepler_backoff 0.1.0
[INFO] finished tweaking crates.io crate kepler_backoff 0.1.0
[INFO] tweaked toml for crates.io crate kepler_backoff 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34211536b0c3715d20a7551589da462e60597286ad8f56e8f745702c2b6ab4c5
[INFO] running `Command { std: "docker" "start" "-a" "34211536b0c3715d20a7551589da462e60597286ad8f56e8f745702c2b6ab4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34211536b0c3715d20a7551589da462e60597286ad8f56e8f745702c2b6ab4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34211536b0c3715d20a7551589da462e60597286ad8f56e8f745702c2b6ab4c5", kill_on_drop: false }`
[INFO] [stdout] 34211536b0c3715d20a7551589da462e60597286ad8f56e8f745702c2b6ab4c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a97fb40f0a9e514b0aa5e846a2937fbe485623add43513e90f843b2592ea749d
[INFO] running `Command { std: "docker" "start" "-a" "a97fb40f0a9e514b0aa5e846a2937fbe485623add43513e90f843b2592ea749d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling kepler_backoff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "a97fb40f0a9e514b0aa5e846a2937fbe485623add43513e90f843b2592ea749d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97fb40f0a9e514b0aa5e846a2937fbe485623add43513e90f843b2592ea749d", kill_on_drop: false }`
[INFO] [stdout] a97fb40f0a9e514b0aa5e846a2937fbe485623add43513e90f843b2592ea749d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9fef1f329dd1a881635fd2421eb794c96367e6b7e45042d2fdbd5862ae42dc3
[INFO] running `Command { std: "docker" "start" "-a" "f9fef1f329dd1a881635fd2421eb794c96367e6b7e45042d2fdbd5862ae42dc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling kepler_backoff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "f9fef1f329dd1a881635fd2421eb794c96367e6b7e45042d2fdbd5862ae42dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fef1f329dd1a881635fd2421eb794c96367e6b7e45042d2fdbd5862ae42dc3", kill_on_drop: false }`
[INFO] [stdout] f9fef1f329dd1a881635fd2421eb794c96367e6b7e45042d2fdbd5862ae42dc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7af6970c54722754cb04de68ebd67aeb39ccd146790d4c45c43eb2046695aa44
[INFO] running `Command { std: "docker" "start" "-a" "7af6970c54722754cb04de68ebd67aeb39ccd146790d4c45c43eb2046695aa44", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kepler_backoff-c39abf191ccdb859)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test backoff_tests::backoff_duration_increases_with_attempt_count ... ok
[INFO] [stdout] test backoff_tests::backoff_duration_can_be_jittered ... ok
[INFO] [stdout] test backoff_tests::backoff_duration_is_capped_at_max_duration ... ok
[INFO] [stderr]    Doc-tests kepler_backoff
[INFO] [stdout] test backoff_tests::backoff_reset_can_be_reseted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "7af6970c54722754cb04de68ebd67aeb39ccd146790d4c45c43eb2046695aa44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af6970c54722754cb04de68ebd67aeb39ccd146790d4c45c43eb2046695aa44", kill_on_drop: false }`
[INFO] [stdout] 7af6970c54722754cb04de68ebd67aeb39ccd146790d4c45c43eb2046695aa44