[INFO] fetching crate retry_fn 0.1.0...
[INFO] testing retry_fn-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate retry_fn 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate retry_fn 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate retry_fn 0.1.0
[INFO] finished tweaking crates.io crate retry_fn 0.1.0
[INFO] tweaked toml for crates.io crate retry_fn 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9a4cd35ee9522e5f42292e571eb6bcc04b00b7c8f912a03b9354b732c34a25e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9a4cd35ee9522e5f42292e571eb6bcc04b00b7c8f912a03b9354b732c34a25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9a4cd35ee9522e5f42292e571eb6bcc04b00b7c8f912a03b9354b732c34a25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a4cd35ee9522e5f42292e571eb6bcc04b00b7c8f912a03b9354b732c34a25e", kill_on_drop: false }`
[INFO] [stdout] f9a4cd35ee9522e5f42292e571eb6bcc04b00b7c8f912a03b9354b732c34a25e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45bc99566f6e1fc29a16d66aa431447b7bc7d42c6583a453c9c6ef7d98dd7e49
[INFO] running `Command { std: "docker" "start" "-a" "45bc99566f6e1fc29a16d66aa431447b7bc7d42c6583a453c9c6ef7d98dd7e49", kill_on_drop: false }`
[INFO] [stderr]    Compiling retry_fn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "45bc99566f6e1fc29a16d66aa431447b7bc7d42c6583a453c9c6ef7d98dd7e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45bc99566f6e1fc29a16d66aa431447b7bc7d42c6583a453c9c6ef7d98dd7e49", kill_on_drop: false }`
[INFO] [stdout] 45bc99566f6e1fc29a16d66aa431447b7bc7d42c6583a453c9c6ef7d98dd7e49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8786df20a6f4fe0a1416df9535713165cf6c9a5d3bd6511a1ea78a9705908852
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8786df20a6f4fe0a1416df9535713165cf6c9a5d3bd6511a1ea78a9705908852", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling version-sync v0.9.1
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling tokio-test v0.3.0
[INFO] [stderr]    Compiling retry_fn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 33.69s
[INFO] running `Command { std: "docker" "inspect" "8786df20a6f4fe0a1416df9535713165cf6c9a5d3bd6511a1ea78a9705908852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8786df20a6f4fe0a1416df9535713165cf6c9a5d3bd6511a1ea78a9705908852", kill_on_drop: false }`
[INFO] [stdout] 8786df20a6f4fe0a1416df9535713165cf6c9a5d3bd6511a1ea78a9705908852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06139884ac265a2aec163bcda6d3ffb9c372bb62a2e278d4bc2bc1466a2c1cf9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06139884ac265a2aec163bcda6d3ffb9c372bb62a2e278d4bc2bc1466a2c1cf9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/retry_fn-3cdfd25087758f99
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test strategy::constant::test::fixed_secs ... ok
[INFO] [stdout] test strategy::exponential::test::hits_max ... ok
[INFO] [stdout] test strategy::exponential::test::tens ... ok
[INFO] [stdout] test strategy::exponential::test::doubles ... ok
[INFO] [stdout] test strategy::immediate::test::fixed ... ok
[INFO] [stdout] test strategy::constant::test::fixed ... ok
[INFO] [stdout] test test::pass_eventually ... ok
[INFO] [stdout] test test::fail_on_three ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_numbers-cebf44bd21d4232c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests retry_fn
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - retry_immediate (line 134) ... ok
[INFO] [stdout] test src/lib.rs - retry (line 168) ... ok
[INFO] [stdout] test src/strategy/constant.rs - strategy::constant (line 6) ... ok
[INFO] [stdout] test src/strategy/exponential.rs - strategy::exponential (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06139884ac265a2aec163bcda6d3ffb9c372bb62a2e278d4bc2bc1466a2c1cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06139884ac265a2aec163bcda6d3ffb9c372bb62a2e278d4bc2bc1466a2c1cf9", kill_on_drop: false }`
[INFO] [stdout] 06139884ac265a2aec163bcda6d3ffb9c372bb62a2e278d4bc2bc1466a2c1cf9