[INFO] fetching crate retry-backoff 0.2.0...
[INFO] testing retry-backoff-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate retry-backoff 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate retry-backoff 0.2.0
[INFO] finished tweaking crates.io crate retry-backoff 0.2.0
[INFO] tweaked toml for crates.io crate retry-backoff 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate retry-backoff 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate retry-backoff 0.2.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backoff-rs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 824242407d9fcf8caa3ff92dbe197723a063e511a61c8d37a42afb97c4f199d6
[INFO] running `Command { std: "docker" "start" "-a" "824242407d9fcf8caa3ff92dbe197723a063e511a61c8d37a42afb97c4f199d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "824242407d9fcf8caa3ff92dbe197723a063e511a61c8d37a42afb97c4f199d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824242407d9fcf8caa3ff92dbe197723a063e511a61c8d37a42afb97c4f199d6", kill_on_drop: false }`
[INFO] [stdout] 824242407d9fcf8caa3ff92dbe197723a063e511a61c8d37a42afb97c4f199d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72bc38434b7907105fa58016283d60d2b04021e3139761ae12ef51648954e7b2
[INFO] running `Command { std: "docker" "start" "-a" "72bc38434b7907105fa58016283d60d2b04021e3139761ae12ef51648954e7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling exponential-backoff v2.1.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling backoff-rs v0.1.0
[INFO] [stderr]    Compiling retry-backoff v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "72bc38434b7907105fa58016283d60d2b04021e3139761ae12ef51648954e7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72bc38434b7907105fa58016283d60d2b04021e3139761ae12ef51648954e7b2", kill_on_drop: false }`
[INFO] [stdout] 72bc38434b7907105fa58016283d60d2b04021e3139761ae12ef51648954e7b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d3c1b862159949ea3c645b5fd4641fb8f3ed6c073907fda1beb373749e07c3
[INFO] running `Command { std: "docker" "start" "-a" "e3d3c1b862159949ea3c645b5fd4641fb8f3ed6c073907fda1beb373749e07c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling retry-backoff v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "e3d3c1b862159949ea3c645b5fd4641fb8f3ed6c073907fda1beb373749e07c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d3c1b862159949ea3c645b5fd4641fb8f3ed6c073907fda1beb373749e07c3", kill_on_drop: false }`
[INFO] [stdout] e3d3c1b862159949ea3c645b5fd4641fb8f3ed6c073907fda1beb373749e07c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aabb3b4e9daec77c191500bc3e00b674bd9685988f8cdccefb09952f51f5de4c
[INFO] running `Command { std: "docker" "start" "-a" "aabb3b4e9daec77c191500bc3e00b674bd9685988f8cdccefb09952f51f5de4c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/retry_backoff-a48524b0ef0b3119)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test backoffs::google_cloud_workflows::tests::test_delay ... ok
[INFO] [stderr]    Doc-tests retry_backoff
[INFO] [stdout] test backoffs::google_cloud_workflows::tests::test_default_backoff ... ok
[INFO] [stdout] test backoffs::google_cloud_workflows::tests::test_impl_retry_backoff ... ok
[INFO] [stdout] test backoffs::impl_backoff_rs::tests::test_impl_retry_backoff ... ok
[INFO] [stdout] test backoffs::impl_exponential_backoff::tests::test_impl_retry_backoff ... ok
[INFO] [stdout] test backoffs::r#fn::tests::test_from_f ... ok
[INFO] [stdout] test backoffs::r#fn::tests::test_impl_retry_backoff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "aabb3b4e9daec77c191500bc3e00b674bd9685988f8cdccefb09952f51f5de4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabb3b4e9daec77c191500bc3e00b674bd9685988f8cdccefb09952f51f5de4c", kill_on_drop: false }`
[INFO] [stdout] aabb3b4e9daec77c191500bc3e00b674bd9685988f8cdccefb09952f51f5de4c