[INFO] fetching crate stubborn-io 0.3.1...
[INFO] testing stubborn-io-0.3.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate stubborn-io 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate stubborn-io 0.3.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stubborn-io 0.3.1
[INFO] finished tweaking crates.io crate stubborn-io 0.3.1
[INFO] tweaked toml for crates.io crate stubborn-io 0.3.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d445be8ef428440533db65aa6205446f748f40c0525b61d74bab608f527eab5a
[INFO] running `Command { std: "docker" "start" "-a" "d445be8ef428440533db65aa6205446f748f40c0525b61d74bab608f527eab5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d445be8ef428440533db65aa6205446f748f40c0525b61d74bab608f527eab5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d445be8ef428440533db65aa6205446f748f40c0525b61d74bab608f527eab5a", kill_on_drop: false }`
[INFO] [stdout] d445be8ef428440533db65aa6205446f748f40c0525b61d74bab608f527eab5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ac1c7ea2f6945ad96b27fa04231b97c51fd143baf8adc9002e74695cdbf06f2
[INFO] running `Command { std: "docker" "start" "-a" "8ac1c7ea2f6945ad96b27fa04231b97c51fd143baf8adc9002e74695cdbf06f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling stubborn-io v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.62s
[INFO] running `Command { std: "docker" "inspect" "8ac1c7ea2f6945ad96b27fa04231b97c51fd143baf8adc9002e74695cdbf06f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac1c7ea2f6945ad96b27fa04231b97c51fd143baf8adc9002e74695cdbf06f2", kill_on_drop: false }`
[INFO] [stdout] 8ac1c7ea2f6945ad96b27fa04231b97c51fd143baf8adc9002e74695cdbf06f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78648ef5b0a0ba73f37f9e321c4ac2a4970b391a3163b6a0b2b74f8c39919b8b
[INFO] running `Command { std: "docker" "start" "-a" "78648ef5b0a0ba73f37f9e321c4ac2a4970b391a3163b6a0b2b74f8c39919b8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling stubborn-io v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.31s
[INFO] running `Command { std: "docker" "inspect" "78648ef5b0a0ba73f37f9e321c4ac2a4970b391a3163b6a0b2b74f8c39919b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78648ef5b0a0ba73f37f9e321c4ac2a4970b391a3163b6a0b2b74f8c39919b8b", kill_on_drop: false }`
[INFO] [stdout] 78648ef5b0a0ba73f37f9e321c4ac2a4970b391a3163b6a0b2b74f8c39919b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e35645dd9cb87a168f091f5dd364f286f444e41ef473216369f67d89674daa7
[INFO] running `Command { std: "docker" "start" "-a" "1e35645dd9cb87a168f091f5dd364f286f444e41ef473216369f67d89674daa7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stubborn_io-ac8f1fbb42d0e8ef)
[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] [stderr]      Running tests/dummy_tests.rs (/opt/rustwide/target/debug/deps/dummy_tests-00b0d33d60a5b294)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test instantiating::should_be_connected_if_initial_connect_succeeds ... ok
[INFO] [stdout] test instantiating::should_be_disconnected_if_initial_connect_fails_with_fail_on_first_enabled ... 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] [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; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stubborn-io
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[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. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e35645dd9cb87a168f091f5dd364f286f444e41ef473216369f67d89674daa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e35645dd9cb87a168f091f5dd364f286f444e41ef473216369f67d89674daa7", kill_on_drop: false }`
[INFO] [stdout] 1e35645dd9cb87a168f091f5dd364f286f444e41ef473216369f67d89674daa7