[INFO] crate stubborn-io 0.1.9 is already in cache
[INFO] testing stubborn-io-0.1.9 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate stubborn-io 0.1.9 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stubborn-io 0.1.9 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stubborn-io 0.1.9
[INFO] finished tweaking crates.io crate stubborn-io 0.1.9
[INFO] tweaked toml for crates.io crate stubborn-io 0.1.9 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 660bb106f08a006683aed0d5c0ad2e80d713da77e72ef81e870d2a824eb11efd
[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" "660bb106f08a006683aed0d5c0ad2e80d713da77e72ef81e870d2a824eb11efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "660bb106f08a006683aed0d5c0ad2e80d713da77e72ef81e870d2a824eb11efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660bb106f08a006683aed0d5c0ad2e80d713da77e72ef81e870d2a824eb11efd", kill_on_drop: false }`
[INFO] [stdout] 660bb106f08a006683aed0d5c0ad2e80d713da77e72ef81e870d2a824eb11efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 0347c6ed123a2fa5affeacd52575c8878ab3c5098b95e15770f529634f652925
[INFO] running `Command { std: "docker" "start" "-a" "0347c6ed123a2fa5affeacd52575c8878ab3c5098b95e15770f529634f652925", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling stubborn-io v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.67s
[INFO] running `Command { std: "docker" "inspect" "0347c6ed123a2fa5affeacd52575c8878ab3c5098b95e15770f529634f652925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0347c6ed123a2fa5affeacd52575c8878ab3c5098b95e15770f529634f652925", kill_on_drop: false }`
[INFO] [stdout] 0347c6ed123a2fa5affeacd52575c8878ab3c5098b95e15770f529634f652925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6830b35d710666fa7373bac1f807bfa35b913f5aa83f831ae28a116bc81f95cf
[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" "6830b35d710666fa7373bac1f807bfa35b913f5aa83f831ae28a116bc81f95cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling stubborn-io v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.93s
[INFO] running `Command { std: "docker" "inspect" "6830b35d710666fa7373bac1f807bfa35b913f5aa83f831ae28a116bc81f95cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6830b35d710666fa7373bac1f807bfa35b913f5aa83f831ae28a116bc81f95cf", kill_on_drop: false }`
[INFO] [stdout] 6830b35d710666fa7373bac1f807bfa35b913f5aa83f831ae28a116bc81f95cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b88d3cef8c8e6471895a47a202f7cee691547aaf849818523c28b0e9a98d3ac9
[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" "b88d3cef8c8e6471895a47a202f7cee691547aaf849818523c28b0e9a98d3ac9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stubborn_io-017dfcd4c046419f
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dummy_tests-a4606d4a29e79f2f
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_compilation_for_doc_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test instantiating::should_be_disconnected_if_initial_connect_fails_with_fail_on_first_enabled ... ok
[INFO] [stdout] test instantiating::should_be_connected_if_initial_connect_succeeds ... ok
[INFO] [stdout] test already_connected::should_ignore_non_fatal_errors_and_continue_as_connected ... ok
[INFO] [stdout] test instantiating::should_be_connected_if_initial_connect_fails_but_then_other_succeeds ... ok
[INFO] [stdout] test instantiating::should_be_disconnected_if_all_initial_connects_fail ... ok
[INFO] [stdout] test already_connected::should_be_able_to_recover_after_disconnect ... ok
[INFO] [stderr]    Doc-tests stubborn-io
[INFO] [stdout] test already_connected::should_give_up_when_all_attempts_exhausted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ignored
[INFO] [stdout] test src/tokio/tcp.rs - tokio::tcp::StubbornTcpStream (line 19) ... ok
[INFO] [stdout] test src/config.rs - config::ReconnectOptions::with_retries_generator (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b88d3cef8c8e6471895a47a202f7cee691547aaf849818523c28b0e9a98d3ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88d3cef8c8e6471895a47a202f7cee691547aaf849818523c28b0e9a98d3ac9", kill_on_drop: false }`
[INFO] [stdout] b88d3cef8c8e6471895a47a202f7cee691547aaf849818523c28b0e9a98d3ac9