[INFO] fetching crate wraptest 0.2.1...
[INFO] testing wraptest-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wraptest 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wraptest 0.2.1 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 wraptest 0.2.1
[INFO] finished tweaking crates.io crate wraptest 0.2.1
[INFO] tweaked toml for crates.io crate wraptest 0.2.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] ba552781985fa0eab9aad95ec4e5537a2553c9c6e8053697507b33e5533adfc3
[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" "ba552781985fa0eab9aad95ec4e5537a2553c9c6e8053697507b33e5533adfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba552781985fa0eab9aad95ec4e5537a2553c9c6e8053697507b33e5533adfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba552781985fa0eab9aad95ec4e5537a2553c9c6e8053697507b33e5533adfc3", kill_on_drop: false }`
[INFO] [stdout] ba552781985fa0eab9aad95ec4e5537a2553c9c6e8053697507b33e5533adfc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9ae1700ac44757a1390fd2062e1c4fb79bc51566c095179b0f56ff8ba83d992e
[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" "9ae1700ac44757a1390fd2062e1c4fb79bc51566c095179b0f56ff8ba83d992e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wraptest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "9ae1700ac44757a1390fd2062e1c4fb79bc51566c095179b0f56ff8ba83d992e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae1700ac44757a1390fd2062e1c4fb79bc51566c095179b0f56ff8ba83d992e", kill_on_drop: false }`
[INFO] [stdout] 9ae1700ac44757a1390fd2062e1c4fb79bc51566c095179b0f56ff8ba83d992e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1559f983d1d04ec0b1c4cd4fac1135ff7ae2b99577bb72e8ee1654d7607ec2f2
[INFO] running `Command { std: "docker" "start" "-a" "1559f983d1d04ec0b1c4cd4fac1135ff7ae2b99577bb72e8ee1654d7607ec2f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling wraptest v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.96s
[INFO] running `Command { std: "docker" "inspect" "1559f983d1d04ec0b1c4cd4fac1135ff7ae2b99577bb72e8ee1654d7607ec2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1559f983d1d04ec0b1c4cd4fac1135ff7ae2b99577bb72e8ee1654d7607ec2f2", kill_on_drop: false }`
[INFO] [stdout] 1559f983d1d04ec0b1c4cd4fac1135ff7ae2b99577bb72e8ee1654d7607ec2f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] f1627c882449f733e87be7744ad77651dbe319da734a8eec9016f42c322e20cc
[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" "f1627c882449f733e87be7744ad77651dbe319da734a8eec9016f42c322e20cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wraptest-95649a3cbed27f76)
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-e40ad5d0588fc070)
[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 tests::basic_result ... ok
[INFO] [stdout] test tests::basic_sync ... ok
[INFO] [stderr]      Running tests/basic_async_only.rs (/opt/rustwide/target/debug/deps/basic_async_only-647fdd29c60a2754)
[INFO] [stdout] test tests::basic_async ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/basic_sync_only.rs (/opt/rustwide/target/debug/deps/basic_sync_only-17cc66f29666cd28)
[INFO] [stdout] test tests::async_only ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::basic_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running tests/tracing.rs (/opt/rustwide/target/debug/deps/tracing-d4622ab758e77614)
[INFO] [stdout] test tests::returns_result ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::with_test_options ... ok
[INFO] [stderr]    Doc-tests wraptest
[INFO] [stdout] test tests::basic_async ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1627c882449f733e87be7744ad77651dbe319da734a8eec9016f42c322e20cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1627c882449f733e87be7744ad77651dbe319da734a8eec9016f42c322e20cc", kill_on_drop: false }`
[INFO] [stdout] f1627c882449f733e87be7744ad77651dbe319da734a8eec9016f42c322e20cc