[INFO] fetching crate wudao 0.1.0...
[INFO] testing wudao-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wudao 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wudao 0.1.0 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 wudao 0.1.0
[INFO] finished tweaking crates.io crate wudao 0.1.0
[INFO] tweaked toml for crates.io crate wudao 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate wudao 0.1.0 already has a lockfile, it will not be regenerated
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2b5ffac2e1309ed6c4f53435d867146903ce16caa0c9c0ad240cdc3cc369d2ec
[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" "2b5ffac2e1309ed6c4f53435d867146903ce16caa0c9c0ad240cdc3cc369d2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5ffac2e1309ed6c4f53435d867146903ce16caa0c9c0ad240cdc3cc369d2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5ffac2e1309ed6c4f53435d867146903ce16caa0c9c0ad240cdc3cc369d2ec", kill_on_drop: false }`
[INFO] [stdout] 2b5ffac2e1309ed6c4f53435d867146903ce16caa0c9c0ad240cdc3cc369d2ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 18be53d06c12df36546a553b092d2f5bdec33764a14f31c9a9a851652966a622
[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" "18be53d06c12df36546a553b092d2f5bdec33764a14f31c9a9a851652966a622", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.18
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling xml5ever v0.16.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling select v0.5.0
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.8
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]    Compiling wudao v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `Command { std: "docker" "inspect" "18be53d06c12df36546a553b092d2f5bdec33764a14f31c9a9a851652966a622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18be53d06c12df36546a553b092d2f5bdec33764a14f31c9a9a851652966a622", kill_on_drop: false }`
[INFO] [stdout] 18be53d06c12df36546a553b092d2f5bdec33764a14f31c9a9a851652966a622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7194ff0acb52ad28a5e0eb080fb2614a82de883effb96b32afc7de407ed3ab2b
[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" "7194ff0acb52ad28a5e0eb080fb2614a82de883effb96b32afc7de407ed3ab2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wudao v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "7194ff0acb52ad28a5e0eb080fb2614a82de883effb96b32afc7de407ed3ab2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7194ff0acb52ad28a5e0eb080fb2614a82de883effb96b32afc7de407ed3ab2b", kill_on_drop: false }`
[INFO] [stdout] 7194ff0acb52ad28a5e0eb080fb2614a82de883effb96b32afc7de407ed3ab2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] def83d259dc0cf4106d7e5625362fae1c43f82251189df3b7ccf61d90ac8b69a
[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" "def83d259dc0cf4106d7e5625362fae1c43f82251189df3b7ccf61d90ac8b69a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wd-562d4e9aa80aa587)
[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" "def83d259dc0cf4106d7e5625362fae1c43f82251189df3b7ccf61d90ac8b69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def83d259dc0cf4106d7e5625362fae1c43f82251189df3b7ccf61d90ac8b69a", kill_on_drop: false }`
[INFO] [stdout] def83d259dc0cf4106d7e5625362fae1c43f82251189df3b7ccf61d90ac8b69a