[INFO] fetching crate async-compat 0.2.1...
[INFO] testing async-compat-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-compat 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-compat 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 async-compat 0.2.1
[INFO] finished tweaking crates.io crate async-compat 0.2.1
[INFO] tweaked toml for crates.io crate async-compat 0.2.1 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d217d48a9f8e6d07c071526ac32e7c993d6595a67df000da8275b228ccb62d71
[INFO] running `Command { std: "docker" "start" "-a" "d217d48a9f8e6d07c071526ac32e7c993d6595a67df000da8275b228ccb62d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d217d48a9f8e6d07c071526ac32e7c993d6595a67df000da8275b228ccb62d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d217d48a9f8e6d07c071526ac32e7c993d6595a67df000da8275b228ccb62d71", kill_on_drop: false }`
[INFO] [stdout] d217d48a9f8e6d07c071526ac32e7c993d6595a67df000da8275b228ccb62d71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dec53b63544144d2edcc9ec66e78ac94faea973b7c089993bd64919f5d546d8c
[INFO] running `Command { std: "docker" "start" "-a" "dec53b63544144d2edcc9ec66e78ac94faea973b7c089993bd64919f5d546d8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-compat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.14s
[INFO] running `Command { std: "docker" "inspect" "dec53b63544144d2edcc9ec66e78ac94faea973b7c089993bd64919f5d546d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec53b63544144d2edcc9ec66e78ac94faea973b7c089993bd64919f5d546d8c", kill_on_drop: false }`
[INFO] [stdout] dec53b63544144d2edcc9ec66e78ac94faea973b7c089993bd64919f5d546d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b749f3e9501195e58d968d7960f2a31c258888209884bf7a1aeabda794c4cf03
[INFO] running `Command { std: "docker" "start" "-a" "b749f3e9501195e58d968d7960f2a31c258888209884bf7a1aeabda794c4cf03", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling warp v0.3.1
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling async-compat v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 37.73s
[INFO] running `Command { std: "docker" "inspect" "b749f3e9501195e58d968d7960f2a31c258888209884bf7a1aeabda794c4cf03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b749f3e9501195e58d968d7960f2a31c258888209884bf7a1aeabda794c4cf03", kill_on_drop: false }`
[INFO] [stdout] b749f3e9501195e58d968d7960f2a31c258888209884bf7a1aeabda794c4cf03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a897dd34837a7df27ffbc4fefa8baf388d681ec52f09a8946f1a06b9367467c1
[INFO] running `Command { std: "docker" "start" "-a" "a897dd34837a7df27ffbc4fefa8baf388d681ec52f09a8946f1a06b9367467c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_compat-6e5d056a932a2b32)
[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]    Doc-tests async-compat
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - Compat<T>::get_mut (line 260) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 62) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 80) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 97) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 25) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - CompatExt::compat (line 138) ... ok
[INFO] [stdout] test src/lib.rs - Compat<T>::into_inner (line 281) ... ok
[INFO] [stdout] test src/lib.rs - CompatExt::compat_mut (line 163) ... ok
[INFO] [stdout] test src/lib.rs - CompatExt::compat_ref (line 151) ... ok
[INFO] [stdout] test src/lib.rs - Compat<T>::new (line 217) ... ok
[INFO] [stdout] test src/lib.rs - Compat<T>::get_ref (line 240) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/lib.rs - Compat<T>::new (line 205) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a897dd34837a7df27ffbc4fefa8baf388d681ec52f09a8946f1a06b9367467c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a897dd34837a7df27ffbc4fefa8baf388d681ec52f09a8946f1a06b9367467c1", kill_on_drop: false }`
[INFO] [stdout] a897dd34837a7df27ffbc4fefa8baf388d681ec52f09a8946f1a06b9367467c1