[INFO] fetching crate exponential-backoff 2.1.0...
[INFO] testing exponential-backoff-2.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate exponential-backoff 2.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate exponential-backoff 2.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate exponential-backoff 2.1.0
[INFO] tweaked toml for crates.io crate exponential-backoff 2.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate exponential-backoff 2.1.0 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 exponential-backoff 2.1.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e09d3b6a8b5c22744e7be77d730c63daca223c864767a8a614a08f5bd3711609
[INFO] running `Command { std: "docker" "start" "-a" "e09d3b6a8b5c22744e7be77d730c63daca223c864767a8a614a08f5bd3711609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e09d3b6a8b5c22744e7be77d730c63daca223c864767a8a614a08f5bd3711609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09d3b6a8b5c22744e7be77d730c63daca223c864767a8a614a08f5bd3711609", kill_on_drop: false }`
[INFO] [stdout] e09d3b6a8b5c22744e7be77d730c63daca223c864767a8a614a08f5bd3711609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 250344ba06a007fbe5d30429ddf57ba12412f887f6f7f5ee427440cde69e0c1a
[INFO] running `Command { std: "docker" "start" "-a" "250344ba06a007fbe5d30429ddf57ba12412f887f6f7f5ee427440cde69e0c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling exponential-backoff v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "250344ba06a007fbe5d30429ddf57ba12412f887f6f7f5ee427440cde69e0c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250344ba06a007fbe5d30429ddf57ba12412f887f6f7f5ee427440cde69e0c1a", kill_on_drop: false }`
[INFO] [stdout] 250344ba06a007fbe5d30429ddf57ba12412f887f6f7f5ee427440cde69e0c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 73de49b0ae5696107a22b35166dc80e277ca9abc36eabbda0cf64e43af4efb78
[INFO] running `Command { std: "docker" "start" "-a" "73de49b0ae5696107a22b35166dc80e277ca9abc36eabbda0cf64e43af4efb78", kill_on_drop: false }`
[INFO] [stderr]    Compiling exponential-backoff v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "73de49b0ae5696107a22b35166dc80e277ca9abc36eabbda0cf64e43af4efb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73de49b0ae5696107a22b35166dc80e277ca9abc36eabbda0cf64e43af4efb78", kill_on_drop: false }`
[INFO] [stdout] 73de49b0ae5696107a22b35166dc80e277ca9abc36eabbda0cf64e43af4efb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a65b0b64b798a6a7f2bb0c8f1598dbb9d9b4cd67c6b35cb734b837399b740ca4
[INFO] running `Command { std: "docker" "start" "-a" "a65b0b64b798a6a7f2bb0c8f1598dbb9d9b4cd67c6b35cb734b837399b740ca4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exponential_backoff-5ecd8fb52cff005b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-337821b3efc990a8)
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test it_handles_max_backoff ... ok
[INFO] [stdout] test first_interval_should_be_min_value ... ok
[INFO] [stdout] test it_handles_no_jitter ... ok
[INFO] [stdout] test it_handles_zero_attempts ... ok
[INFO] [stdout] test it_doesnt_crash ... ok
[INFO] [stdout] test it_completes_into_iter ... ok
[INFO] [stderr]    Doc-tests exponential_backoff
[INFO] [stdout] test it_completes_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - Backoff::set_jitter (line 211) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::max_attempts (line 163) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::new (line 75) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::set_max (line 146) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Backoff (line 323) ... ok
[INFO] [stdout] test src/lib.rs - &'bBackoff (line 269) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::jitter (line 192) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::set_max_attempts (line 177) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::new (line 63) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::factor (line 232) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::max (line 131) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::min (line 99) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::set_min (line 114) ... ok
[INFO] [stdout] test src/lib.rs - Backoff (line 296) ... ok
[INFO] [stdout] test src/lib.rs - Backoff::set_factor (line 246) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a65b0b64b798a6a7f2bb0c8f1598dbb9d9b4cd67c6b35cb734b837399b740ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65b0b64b798a6a7f2bb0c8f1598dbb9d9b4cd67c6b35cb734b837399b740ca4", kill_on_drop: false }`
[INFO] [stdout] a65b0b64b798a6a7f2bb0c8f1598dbb9d9b4cd67c6b35cb734b837399b740ca4