[INFO] fetching crate tokio-test 0.4.2...
[INFO] testing tokio-test-0.4.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tokio-test 0.4.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tokio-test 0.4.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-test 0.4.2
[INFO] finished tweaking crates.io crate tokio-test 0.4.2
[INFO] tweaked toml for crates.io crate tokio-test 0.4.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] e809d8060df04562c735f53f6041bc8cf1852cdca460bc669327e520eff1ad41
[INFO] running `Command { std: "docker" "start" "-a" "e809d8060df04562c735f53f6041bc8cf1852cdca460bc669327e520eff1ad41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e809d8060df04562c735f53f6041bc8cf1852cdca460bc669327e520eff1ad41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e809d8060df04562c735f53f6041bc8cf1852cdca460bc669327e520eff1ad41", kill_on_drop: false }`
[INFO] [stdout] e809d8060df04562c735f53f6041bc8cf1852cdca460bc669327e520eff1ad41
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cc5efa2e41c76b896f512b4520be8e1b75cb709c8176f5087b3b5da980acdc7
[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" "8cc5efa2e41c76b896f512b4520be8e1b75cb709c8176f5087b3b5da980acdc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-test v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "8cc5efa2e41c76b896f512b4520be8e1b75cb709c8176f5087b3b5da980acdc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc5efa2e41c76b896f512b4520be8e1b75cb709c8176f5087b3b5da980acdc7", kill_on_drop: false }`
[INFO] [stdout] 8cc5efa2e41c76b896f512b4520be8e1b75cb709c8176f5087b3b5da980acdc7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f71082ab7a8dd197d597912803ea3916e3cb29ffb764b135f9a824c289b06574
[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" "f71082ab7a8dd197d597912803ea3916e3cb29ffb764b135f9a824c289b06574", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio-test v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "f71082ab7a8dd197d597912803ea3916e3cb29ffb764b135f9a824c289b06574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71082ab7a8dd197d597912803ea3916e3cb29ffb764b135f9a824c289b06574", kill_on_drop: false }`
[INFO] [stdout] f71082ab7a8dd197d597912803ea3916e3cb29ffb764b135f9a824c289b06574
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 0741c0ce55bc5df314eb152abd3499b268cbbed1252275b8c717850c5a0ade87
[INFO] running `Command { std: "docker" "start" "-a" "0741c0ce55bc5df314eb152abd3499b268cbbed1252275b8c717850c5a0ade87", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_test-5f11e1dbdb3c8c48)
[INFO] [stderr]      Running tests/block_on.rs (/opt/rustwide/target/debug/deps/block_on-47d9daae59a33d0d)
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test async_block ... ok
[INFO] [stdout] test async_fn ... ok
[INFO] [stderr]      Running tests/io.rs (/opt/rustwide/target/debug/deps/io-afeaa3dce6a6c895)
[INFO] [stdout] test test_sleep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test read_error ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] test write_error ... ok
[INFO] [stdout] test write ... ok
[INFO] [stdout] test mock_panics_read_data_left - should panic ... ok
[INFO] [stderr]      Running tests/macros.rs (/opt/rustwide/target/debug/deps/macros-3b127ac1222e5737)
[INFO] [stdout] test mock_panics_write_data_left - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test assert_ready ... ok
[INFO] [stdout] test assert_ready_eq ... ok
[INFO] [stdout] test assert_pending ... ok
[INFO] [stdout] test assert_ready_err ... ok
[INFO] [stdout] test assert_ready_ok ... ok
[INFO] [stdout] test assert_eq_on_not_eq - should panic ... ok
[INFO] [stderr]    Doc-tests tokio-test
[INFO] [stdout] test assert_pending_on_ready - should panic ... ok
[INFO] [stdout] test assert_ok_on_err - should panic ... ok
[INFO] [stdout] test assert_err_on_ok - should panic ... ok
[INFO] [stdout] test assert_ready_on_pending - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/macros.rs - assert_err (line 232) ... ok
[INFO] [stdout] test src/macros.rs - assert_elapsed (line 265) ... ok
[INFO] [stdout] test src/macros.rs - assert_ok (line 191) ... ok
[INFO] [stdout] test src/macros.rs - assert_ready_eq (line 159) ... ok
[INFO] [stdout] test src/macros.rs - assert_pending (line 120) ... ok
[INFO] [stdout] test src/macros.rs - assert_ready (line 15) ... ok
[INFO] [stdout] test src/macros.rs - assert_ready_err (line 87) ... ok
[INFO] [stdout] test src/macros.rs - assert_ready_ok (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0741c0ce55bc5df314eb152abd3499b268cbbed1252275b8c717850c5a0ade87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0741c0ce55bc5df314eb152abd3499b268cbbed1252275b8c717850c5a0ade87", kill_on_drop: false }`
[INFO] [stdout] 0741c0ce55bc5df314eb152abd3499b268cbbed1252275b8c717850c5a0ade87