[INFO] fetching crate backon 0.4.4...
[INFO] testing backon-0.4.4 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate backon 0.4.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate backon 0.4.4 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate backon 0.4.4
[INFO] finished tweaking crates.io crate backon 0.4.4
[INFO] tweaked toml for crates.io crate backon 0.4.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate backon 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.82
[INFO] [stderr]   Downloaded once_cell v1.14.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
[INFO] [stderr]   Downloaded futures-task v0.3.24
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.32
[INFO] [stderr]   Downloaded anyhow v1.0.64
[INFO] [stderr]   Downloaded futures-channel v0.3.24
[INFO] [stderr]   Downloaded reqwest v0.12.3
[INFO] [stderr]   Downloaded openssl v0.10.41
[INFO] [stderr]   Downloaded web-sys v0.3.59
[INFO] [stderr]   Downloaded tokio v1.21.0
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] [stderr]   Downloaded hyper v1.2.0
[INFO] [stderr]   Downloaded futures-util v0.3.24
[INFO] [stderr]   Downloaded encoding_rs v0.8.31
[INFO] [stderr]   Downloaded tracing-core v0.1.29
[INFO] [stderr]   Downloaded tracing v0.1.36
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] [stderr]   Downloaded openssl-sys v0.9.75
[INFO] [stderr]   Downloaded unicode-normalization v0.1.21
[INFO] [stderr]   Downloaded bumpalo v3.11.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.82
[INFO] [stderr]   Downloaded futures-sink v0.3.24
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded ipnet v2.5.0
[INFO] [stderr]   Downloaded js-sys v0.3.59
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.82
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 684419b2133ee587754a6415bca156033b203bf87dff5c4f3cfb0d0918ca3682
[INFO] running `Command { std: "docker" "start" "-a" "684419b2133ee587754a6415bca156033b203bf87dff5c4f3cfb0d0918ca3682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "684419b2133ee587754a6415bca156033b203bf87dff5c4f3cfb0d0918ca3682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684419b2133ee587754a6415bca156033b203bf87dff5c4f3cfb0d0918ca3682", kill_on_drop: false }`
[INFO] [stdout] 684419b2133ee587754a6415bca156033b203bf87dff5c4f3cfb0d0918ca3682
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb09ada4713fd7c281526c6dcc8e98fec7aeedd4ba929913e28b965487c01bbf
[INFO] running `Command { std: "docker" "start" "-a" "eb09ada4713fd7c281526c6dcc8e98fec7aeedd4ba929913e28b965487c01bbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling backon v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `Command { std: "docker" "inspect" "eb09ada4713fd7c281526c6dcc8e98fec7aeedd4ba929913e28b965487c01bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb09ada4713fd7c281526c6dcc8e98fec7aeedd4ba929913e28b965487c01bbf", kill_on_drop: false }`
[INFO] [stdout] eb09ada4713fd7c281526c6dcc8e98fec7aeedd4ba929913e28b965487c01bbf
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb8693c27670a38d72d451c986460496d33e7be259b7049d9a1f033756e1b2e9
[INFO] running `Command { std: "docker" "start" "-a" "cb8693c27670a38d72d451c986460496d33e7be259b7049d9a1f033756e1b2e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling rustls-pki-types v1.4.1
[INFO] [stderr]    Compiling base64 v0.22.0
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.21
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling http-body-util v0.1.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-util v0.7.3
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling backon v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling h2 v0.4.4
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper v1.2.0
[INFO] [stderr]    Compiling hyper-util v0.1.3
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.3
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.24s
[INFO] running `Command { std: "docker" "inspect" "cb8693c27670a38d72d451c986460496d33e7be259b7049d9a1f033756e1b2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8693c27670a38d72d451c986460496d33e7be259b7049d9a1f033756e1b2e9", kill_on_drop: false }`
[INFO] [stdout] cb8693c27670a38d72d451c986460496d33e7be259b7049d9a1f033756e1b2e9
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25b31a9fc8970435df88bef36bb9f23f69cf2ca7ad982799b0159f1c87cff0e4
[INFO] running `Command { std: "docker" "start" "-a" "25b31a9fc8970435df88bef36bb9f23f69cf2ca7ad982799b0159f1c87cff0e4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/backon-f9770ba252ac9157)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test constant::tests::test_constant_with_jitter ... ok
[INFO] [stdout] test constant::tests::test_constant_with_times ... ok
[INFO] [stdout] test exponential::tests::test_exponential_jitter ... ok
[INFO] [stdout] test exponential::tests::test_exponential_max_delay_without_default_1 ... ok
[INFO] [stdout] test exponential::tests::test_exponential_factor ... ok
[INFO] [stdout] test exponential::tests::test_exponential_default ... ok
[INFO] [stdout] test blocking_retry_with_context::tests::test_retry_with_not_retryable_error ... ok
[INFO] [stdout] test constant::tests::test_constant_default ... ok
[INFO] [stdout] test blocking_retry::tests::test_retry_with_not_retryable_error ... ok
[INFO] [stdout] test constant::tests::test_constant_with_delay ... ok
[INFO] [stdout] test exponential::tests::test_exponential_max_delay_with_default ... ok
[INFO] [stdout] test exponential::tests::test_exponential_max_delay_without_default_2 ... ok
[INFO] [stdout] test blocking_retry::tests::test_retry ... ok
[INFO] [stdout] test blocking_retry::tests::test_retry_with_retryable_error ... ok
[INFO] [stdout] test exponential::tests::test_exponential_max_times ... ok
[INFO] [stdout] test fibonacci::tests::test_fibonacci_min_delay ... ok
[INFO] [stdout] test retry::tests::test_retry_with_not_retryable_error ... ok
[INFO] [stdout] test fibonacci::tests::test_fibonacci_default ... ok
[INFO] [stdout] test fibonacci::tests::test_fibonacci_max_delay ... ok
[INFO] [stdout] test retry_with_context::tests::test_retry_with_not_retryable_error ... ok
[INFO] [stdout] test exponential::tests::test_exponential_min_delay ... ok
[INFO] [stdout] test fibonacci::tests::test_fibonacci_max_times ... ok
[INFO] [stdout] test exponential::tests::test_exponential_max_delay_without_default_3 ... ok
[INFO] [stdout] test fibonacci::tests::test_fibonacci_jitter ... ok
[INFO] [stdout] test blocking_retry::tests::test_fn_mut_when_and_notify ... ok
[INFO] [stdout] test retry::tests::test_retry_with_retryable_error ... ok
[INFO] [stdout] test retry::tests::test_retry ... ok
[INFO] [stdout] test retry::tests::test_fn_mut_when_and_notify ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backon
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/blocking_retry.rs - blocking_retry::BlockingRetryable (line 13) ... ignored
[INFO] [stdout] test src/blocking_retry.rs - blocking_retry::BlockingRetryable (line 21) ... ignored
[INFO] [stdout] test src/retry.rs - retry::Retryable (line 22) ... ignored
[INFO] [stdout] test src/retry.rs - retry::Retryable (line 30) ... ignored
[INFO] [stdout] test src/blocking_retry.rs - blocking_retry::BlockingRetry<B,T,E,F,RF,NF>::notify (line 137) - compile ... ok
[INFO] [stdout] test src/blocking_retry.rs - blocking_retry::BlockingRetryable (line 29) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 97) - compile ... ok
[INFO] [stdout] test src/retry_with_context.rs - retry_with_context::Retry<B,T,E,Ctx,Fut,FutureFn,RF,NF>::notify (line 211) - compile ... ok
[INFO] [stdout] test src/blocking_retry.rs - blocking_retry::BlockingRetry<B,T,E,F,RF,NF>::when (line 103) - compile ... ok
[INFO] [stdout] test src/retry.rs - retry::Retry<B,T,E,Fut,FutureFn,RF,NF>::when (line 138) - compile ... ok
[INFO] [stdout] test src/retry.rs - retry::Retryable (line 43) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 48) - compile ... ok
[INFO] [stdout] test src/retry.rs - retry::Retry<B,T,E,Fut,FutureFn,RF,NF>::notify (line 180) - compile ... ok
[INFO] [stdout] test src/retry_with_context.rs - retry_with_context::Retry<B,T,E,Ctx,Fut,FutureFn,RF,NF>::when (line 169) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 25) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 125) - compile ... ok
[INFO] [stdout] test src/exponential.rs - exponential::ExponentialBuilder (line 17) - compile ... ok
[INFO] [stdout] test src/retry_with_context.rs - retry_with_context::RetryableWithContext (line 45) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 74) - compile ... ok
[INFO] [stdout] test src/constant.rs - constant::ConstantBuilder (line 14) - compile ... ok
[INFO] [stdout] test src/fibonacci.rs - fibonacci::FibonacciBuilder (line 16) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25b31a9fc8970435df88bef36bb9f23f69cf2ca7ad982799b0159f1c87cff0e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b31a9fc8970435df88bef36bb9f23f69cf2ca7ad982799b0159f1c87cff0e4", kill_on_drop: false }`
[INFO] [stdout] 25b31a9fc8970435df88bef36bb9f23f69cf2ca7ad982799b0159f1c87cff0e4
