[INFO] cloning repository https://github.com/fasterthanlime/ubio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fasterthanlime/ubio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fubio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fubio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c4dd806f65a4c0a43569be8ee37bf00c8f9e73e
[INFO] testing fasterthanlime/ubio against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffasterthanlime%2Fubio" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fasterthanlime/ubio on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fasterthanlime/ubio
[INFO] finished tweaking git repo https://github.com/fasterthanlime/ubio
[INFO] tweaked toml for git repo https://github.com/fasterthanlime/ubio written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/fasterthanlime/ubio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/scottlamb/http-serve`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded async-trait v0.1.36
[INFO] [stderr]   Downloaded ctor v0.1.15
[INFO] [stderr]   Downloaded eyre v0.6.0
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] [stderr]   Downloaded standback v0.2.9
[INFO] [stderr]   Downloaded mktemp v0.4.0
[INFO] [stderr]   Downloaded oorandom v11.1.2
[INFO] [stderr]   Downloaded positioned-io v0.2.2
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.9
[INFO] [stderr]   Downloaded ara v0.1.0
[INFO] [stderr]   Downloaded color-eyre v0.5.0
[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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac247b80047bff7d409abd89376000b3b9c0ef7b88f30b94f8e97d50ef31553d
[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" "ac247b80047bff7d409abd89376000b3b9c0ef7b88f30b94f8e97d50ef31553d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac247b80047bff7d409abd89376000b3b9c0ef7b88f30b94f8e97d50ef31553d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac247b80047bff7d409abd89376000b3b9c0ef7b88f30b94f8e97d50ef31553d", kill_on_drop: false }`
[INFO] [stdout] ac247b80047bff7d409abd89376000b3b9c0ef7b88f30b94f8e97d50ef31553d
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be9b0d54de73640582520efe3c887482f78f7532a102cc76f50299184f9fd33
[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" "2be9b0d54de73640582520efe3c887482f78f7532a102cc76f50299184f9fd33", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling eyre v0.6.0
[INFO] [stderr]    Compiling indenter v0.3.0
[INFO] [stderr]    Compiling lru_time_cache v0.10.0
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling tracing-core v0.1.13
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling positioned-io v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.9
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling tracing v0.1.18
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling color-spantrace v0.1.4
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling color-eyre v0.5.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling ara v0.1.0
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.7
[INFO] [stderr]    Compiling ubio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "2be9b0d54de73640582520efe3c887482f78f7532a102cc76f50299184f9fd33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be9b0d54de73640582520efe3c887482f78f7532a102cc76f50299184f9fd33", kill_on_drop: false }`
[INFO] [stdout] 2be9b0d54de73640582520efe3c887482f78f7532a102cc76f50299184f9fd33
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9f36b23a2769ea2ecb3b76280127461da236a1c2aa581af891802bf622eaaa
[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" "ef9f36b23a2769ea2ecb3b76280127461da236a1c2aa581af891802bf622eaaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling mktemp v0.4.0
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling http-serve v0.2.2 (https://github.com/scottlamb/http-serve?rev=9f583a1cc9c6c2d9dd5424d41237e59a2d011e1f#9f583a1c)
[INFO] [stderr]    Compiling ubio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.84s
[INFO] running `Command { std: "docker" "inspect" "ef9f36b23a2769ea2ecb3b76280127461da236a1c2aa581af891802bf622eaaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9f36b23a2769ea2ecb3b76280127461da236a1c2aa581af891802bf622eaaa", kill_on_drop: false }`
[INFO] [stdout] ef9f36b23a2769ea2ecb3b76280127461da236a1c2aa581af891802bf622eaaa
[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" "+beta-2021-09-08" "test" "--frozen", 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] 6a9cb69d6e0396b5d7f9f012df27df77a44a5dbc8bf5a6b0fa098b53189efb9f
[INFO] running `Command { std: "docker" "start" "-a" "6a9cb69d6e0396b5d7f9f012df27df77a44a5dbc8bf5a6b0fa098b53189efb9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ubio-c1f5f75b18fb64e5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::run_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ubio
[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" "6a9cb69d6e0396b5d7f9f012df27df77a44a5dbc8bf5a6b0fa098b53189efb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9cb69d6e0396b5d7f9f012df27df77a44a5dbc8bf5a6b0fa098b53189efb9f", kill_on_drop: false }`
[INFO] [stdout] 6a9cb69d6e0396b5d7f9f012df27df77a44a5dbc8bf5a6b0fa098b53189efb9f