[INFO] fetching crate nib-server 0.0.2...
[INFO] testing nib-server-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nib-server 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nib-server 0.0.2 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 crates.io crate nib-server 0.0.2
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate nib-server 0.0.2
[INFO] tweaked toml for crates.io crate nib-server 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate nib-server 0.0.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.15
[INFO] [stderr]   Downloaded futures-executor v0.3.15
[INFO] [stderr]   Downloaded futures v0.3.15
[INFO] [stderr]   Downloaded futures-macro v0.3.15
[INFO] [stderr]   Downloaded hyper v0.14.9
[INFO] [stderr]   Downloaded tokio v1.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bb39148c7b13210be53ed7dd06f236bef317062874c246a826b118c5a68878ff
[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" "bb39148c7b13210be53ed7dd06f236bef317062874c246a826b118c5a68878ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb39148c7b13210be53ed7dd06f236bef317062874c246a826b118c5a68878ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb39148c7b13210be53ed7dd06f236bef317062874c246a826b118c5a68878ff", kill_on_drop: false }`
[INFO] [stdout] bb39148c7b13210be53ed7dd06f236bef317062874c246a826b118c5a68878ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1dc01e2e2afd0da85566a1ceadde93cdb068ba5707a4aa716afde68e26834e07
[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" "1dc01e2e2afd0da85566a1ceadde93cdb068ba5707a4aa716afde68e26834e07", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling hyper v0.14.9
[INFO] [stderr]    Compiling nib-server v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.68s
[INFO] running `Command { std: "docker" "inspect" "1dc01e2e2afd0da85566a1ceadde93cdb068ba5707a4aa716afde68e26834e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc01e2e2afd0da85566a1ceadde93cdb068ba5707a4aa716afde68e26834e07", kill_on_drop: false }`
[INFO] [stdout] 1dc01e2e2afd0da85566a1ceadde93cdb068ba5707a4aa716afde68e26834e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db4fcbfcf90dc081695929775183c1206064bbe27af35d9ab8ee81e067915556
[INFO] running `Command { std: "docker" "start" "-a" "db4fcbfcf90dc081695929775183c1206064bbe27af35d9ab8ee81e067915556", kill_on_drop: false }`
[INFO] [stderr]    Compiling nib-server v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "db4fcbfcf90dc081695929775183c1206064bbe27af35d9ab8ee81e067915556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4fcbfcf90dc081695929775183c1206064bbe27af35d9ab8ee81e067915556", kill_on_drop: false }`
[INFO] [stdout] db4fcbfcf90dc081695929775183c1206064bbe27af35d9ab8ee81e067915556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 520cbd34bb9e3c0e3302b1dbd23c5d3ee32f52b4569340002a6610550a8dc438
[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" "520cbd34bb9e3c0e3302b1dbd23c5d3ee32f52b4569340002a6610550a8dc438", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nib_server-8567b84cec845001)
[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" "520cbd34bb9e3c0e3302b1dbd23c5d3ee32f52b4569340002a6610550a8dc438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520cbd34bb9e3c0e3302b1dbd23c5d3ee32f52b4569340002a6610550a8dc438", kill_on_drop: false }`
[INFO] [stdout] 520cbd34bb9e3c0e3302b1dbd23c5d3ee32f52b4569340002a6610550a8dc438