[INFO] fetching crate c3p0_common_async 0.44.0...
[INFO] testing c3p0_common_async-0.44.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate c3p0_common_async 0.44.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate c3p0_common_async 0.44.0 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 c3p0_common_async 0.44.0
[INFO] finished tweaking crates.io crate c3p0_common_async 0.44.0
[INFO] tweaked toml for crates.io crate c3p0_common_async 0.44.0 written to /workspace/builds/worker-94/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 6b2d81f76ceca97d1dd97591ac91a1a7a6a02a9384ec4731f7df4c6174372204
[INFO] running `Command { std: "docker" "start" "-a" "6b2d81f76ceca97d1dd97591ac91a1a7a6a02a9384ec4731f7df4c6174372204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b2d81f76ceca97d1dd97591ac91a1a7a6a02a9384ec4731f7df4c6174372204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2d81f76ceca97d1dd97591ac91a1a7a6a02a9384ec4731f7df4c6174372204", kill_on_drop: false }`
[INFO] [stdout] 6b2d81f76ceca97d1dd97591ac91a1a7a6a02a9384ec4731f7df4c6174372204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 1b9141b400cacf63647790621aa1691c915886335529b58c46fea2c733fa3f99
[INFO] running `Command { std: "docker" "start" "-a" "1b9141b400cacf63647790621aa1691c915886335529b58c46fea2c733fa3f99", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling c3p0_common v0.44.0
[INFO] [stderr]    Compiling c3p0_common_async v0.44.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.32s
[INFO] running `Command { std: "docker" "inspect" "1b9141b400cacf63647790621aa1691c915886335529b58c46fea2c733fa3f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9141b400cacf63647790621aa1691c915886335529b58c46fea2c733fa3f99", kill_on_drop: false }`
[INFO] [stdout] 1b9141b400cacf63647790621aa1691c915886335529b58c46fea2c733fa3f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] d20180b4b27875b8948ae6c82756e83870bf1aaa2ffb3a947abfdc4fa39714f7
[INFO] running `Command { std: "docker" "start" "-a" "d20180b4b27875b8948ae6c82756e83870bf1aaa2ffb3a947abfdc4fa39714f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling c3p0_common_async v0.44.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.02s
[INFO] running `Command { std: "docker" "inspect" "d20180b4b27875b8948ae6c82756e83870bf1aaa2ffb3a947abfdc4fa39714f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20180b4b27875b8948ae6c82756e83870bf1aaa2ffb3a947abfdc4fa39714f7", kill_on_drop: false }`
[INFO] [stdout] d20180b4b27875b8948ae6c82756e83870bf1aaa2ffb3a947abfdc4fa39714f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] ed429c3ecaf5d56188c93638c00ab2dd4744902efe1ebaf751e82decd5d46eb1
[INFO] running `Command { std: "docker" "start" "-a" "ed429c3ecaf5d56188c93638c00ab2dd4744902efe1ebaf751e82decd5d46eb1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c3p0_common_async-fe6a3ac4a166f0ec)
[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/async_closure_test.rs (/opt/rustwide/target/debug/deps/async_closure_test-83e51139a02a7284)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests c3p0_common_async
[INFO] [stdout] test call_async_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "ed429c3ecaf5d56188c93638c00ab2dd4744902efe1ebaf751e82decd5d46eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed429c3ecaf5d56188c93638c00ab2dd4744902efe1ebaf751e82decd5d46eb1", kill_on_drop: false }`
[INFO] [stdout] ed429c3ecaf5d56188c93638c00ab2dd4744902efe1ebaf751e82decd5d46eb1