[INFO] fetching crate tokio-test 0.4.0...
[INFO] testing tokio-test-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tokio-test 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tokio-test 0.4.0 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 tokio-test 0.4.0
[INFO] finished tweaking crates.io crate tokio-test 0.4.0
[INFO] tweaked toml for crates.io crate tokio-test 0.4.0 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] 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] 02bfaead4a590ddae828c19fbb1b480fe22e752c6561d789d51fbaf5b5c8e2d0
[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" "02bfaead4a590ddae828c19fbb1b480fe22e752c6561d789d51fbaf5b5c8e2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02bfaead4a590ddae828c19fbb1b480fe22e752c6561d789d51fbaf5b5c8e2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bfaead4a590ddae828c19fbb1b480fe22e752c6561d789d51fbaf5b5c8e2d0", kill_on_drop: false }`
[INFO] [stdout] 02bfaead4a590ddae828c19fbb1b480fe22e752c6561d789d51fbaf5b5c8e2d0
[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] 09c952593a3a1b2c59446acfd4442aa57e11fbe0c49d5ef669012e7fc162f72f
[INFO] running `Command { std: "docker" "start" "-a" "09c952593a3a1b2c59446acfd4442aa57e11fbe0c49d5ef669012e7fc162f72f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.1
[INFO] [stderr]    Compiling tokio-test v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.90s
[INFO] running `Command { std: "docker" "inspect" "09c952593a3a1b2c59446acfd4442aa57e11fbe0c49d5ef669012e7fc162f72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c952593a3a1b2c59446acfd4442aa57e11fbe0c49d5ef669012e7fc162f72f", kill_on_drop: false }`
[INFO] [stdout] 09c952593a3a1b2c59446acfd4442aa57e11fbe0c49d5ef669012e7fc162f72f
[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] 84841042f905d37a75d088b0ab259d6ce5b7a886c5d5354e666884a2e989db23
[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" "84841042f905d37a75d088b0ab259d6ce5b7a886c5d5354e666884a2e989db23", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tokio-test v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `Command { std: "docker" "inspect" "84841042f905d37a75d088b0ab259d6ce5b7a886c5d5354e666884a2e989db23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84841042f905d37a75d088b0ab259d6ce5b7a886c5d5354e666884a2e989db23", kill_on_drop: false }`
[INFO] [stdout] 84841042f905d37a75d088b0ab259d6ce5b7a886c5d5354e666884a2e989db23
[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] d92d10844423c458db5f4b5b4c6818e787506bc333611efe8a09b4ef0110f685
[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" "d92d10844423c458db5f4b5b4c6818e787506bc333611efe8a09b4ef0110f685", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_test-17d6d60b20d431bf
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/block_on-e2788b765c768c2f
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test async_block ... ok
[INFO] [stdout] test async_fn ... ok
[INFO] [stdout] test test_sleep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/io-9ceda38ee5abdd97
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test read_error ... ok
[INFO] [stdout] test write ... ok
[INFO] [stdout] test write_error ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] test mock_panics_write_data_left ... ok
[INFO] [stdout] test mock_panics_read_data_left ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macros-a0f476a58047d5e9
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test assert_pending ... ok
[INFO] [stdout] test assert_ready ... ok
[INFO] [stdout] test assert_ready_ok ... ok
[INFO] [stdout] test assert_ready_eq ... ok
[INFO] [stdout] test assert_ready_err ... ok
[INFO] [stdout] test assert_eq_on_not_eq ... ok
[INFO] [stdout] test assert_ok_on_err ... ok
[INFO] [stdout] test assert_err_on_ok ... ok
[INFO] [stdout] test assert_ready_on_pending ... ok
[INFO] [stderr]    Doc-tests tokio-test
[INFO] [stdout] test assert_pending_on_ready ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/macros.rs - assert_ok (line 191) ... ok
[INFO] [stdout] test src/macros.rs - assert_err (line 232) ... ok
[INFO] [stdout] test src/macros.rs - assert_pending (line 120) ... ok
[INFO] [stdout] test src/macros.rs - assert_ready_eq (line 159) ... ok
[INFO] [stdout] test src/macros.rs - assert_ready_err (line 87) ... ok
[INFO] [stdout] test src/macros.rs - assert_ready (line 15) ... ok
[INFO] [stdout] test src/macros.rs - assert_ready_ok (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d92d10844423c458db5f4b5b4c6818e787506bc333611efe8a09b4ef0110f685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92d10844423c458db5f4b5b4c6818e787506bc333611efe8a09b4ef0110f685", kill_on_drop: false }`
[INFO] [stdout] d92d10844423c458db5f4b5b4c6818e787506bc333611efe8a09b4ef0110f685