[INFO] fetching crate adaptive_backoff 0.2.1...
[INFO] testing adaptive_backoff-0.2.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate adaptive_backoff 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate adaptive_backoff 0.2.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adaptive_backoff 0.2.1
[INFO] finished tweaking crates.io crate adaptive_backoff 0.2.1
[INFO] tweaked toml for crates.io crate adaptive_backoff 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d261f0da018df8eac668ce6834f34e520d92b94330f603863b6ad83cf35dd2ad
[INFO] running `Command { std: "docker" "start" "-a" "d261f0da018df8eac668ce6834f34e520d92b94330f603863b6ad83cf35dd2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d261f0da018df8eac668ce6834f34e520d92b94330f603863b6ad83cf35dd2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d261f0da018df8eac668ce6834f34e520d92b94330f603863b6ad83cf35dd2ad", kill_on_drop: false }`
[INFO] [stdout] d261f0da018df8eac668ce6834f34e520d92b94330f603863b6ad83cf35dd2ad
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 813764bfa826d8e0c17e3ce2574ea2776a53c425be8b4248abe89f8938eeb04d
[INFO] running `Command { std: "docker" "start" "-a" "813764bfa826d8e0c17e3ce2574ea2776a53c425be8b4248abe89f8938eeb04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling adaptive_backoff v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.31s
[INFO] running `Command { std: "docker" "inspect" "813764bfa826d8e0c17e3ce2574ea2776a53c425be8b4248abe89f8938eeb04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813764bfa826d8e0c17e3ce2574ea2776a53c425be8b4248abe89f8938eeb04d", kill_on_drop: false }`
[INFO] [stdout] 813764bfa826d8e0c17e3ce2574ea2776a53c425be8b4248abe89f8938eeb04d
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca4d9e300917e6b9553930c238d3939aca1c94921f38c766fc443454fb49ea8d
[INFO] running `Command { std: "docker" "start" "-a" "ca4d9e300917e6b9553930c238d3939aca1c94921f38c766fc443454fb49ea8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling adaptive_backoff v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "ca4d9e300917e6b9553930c238d3939aca1c94921f38c766fc443454fb49ea8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4d9e300917e6b9553930c238d3939aca1c94921f38c766fc443454fb49ea8d", kill_on_drop: false }`
[INFO] [stdout] ca4d9e300917e6b9553930c238d3939aca1c94921f38c766fc443454fb49ea8d
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77230a9c913bb295f171cfef756a5e197eebefd65760b783fe666b10a2b4e339
[INFO] running `Command { std: "docker" "start" "-a" "77230a9c913bb295f171cfef756a5e197eebefd65760b783fe666b10a2b4e339", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/adaptive_backoff-7c45190728972d5f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test backoff::test_exp_backoff ... ok
[INFO] [stdout] test adaptive::test_adaptive_exp_backoff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests adaptive_backoff
[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" "77230a9c913bb295f171cfef756a5e197eebefd65760b783fe666b10a2b4e339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77230a9c913bb295f171cfef756a5e197eebefd65760b783fe666b10a2b4e339", kill_on_drop: false }`
[INFO] [stdout] 77230a9c913bb295f171cfef756a5e197eebefd65760b783fe666b10a2b4e339