[INFO] fetching crate sparrow 0.1.0...
[INFO] testing sparrow-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sparrow 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sparrow 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sparrow 0.1.0
[INFO] finished tweaking crates.io crate sparrow 0.1.0
[INFO] tweaked toml for crates.io crate sparrow 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate sparrow 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 0ef4029d04edf53de5d233b0bb77d48aa5116ce38d0b180c108dca9ec180c00e
[INFO] running `Command { std: "docker" "start" "-a" "0ef4029d04edf53de5d233b0bb77d48aa5116ce38d0b180c108dca9ec180c00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef4029d04edf53de5d233b0bb77d48aa5116ce38d0b180c108dca9ec180c00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef4029d04edf53de5d233b0bb77d48aa5116ce38d0b180c108dca9ec180c00e", kill_on_drop: false }`
[INFO] [stdout] 0ef4029d04edf53de5d233b0bb77d48aa5116ce38d0b180c108dca9ec180c00e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a36e0f5352feb1809cc08b8afb6952db43fba74ae28c01583466b9323ddfa59
[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" "2a36e0f5352feb1809cc08b8afb6952db43fba74ae28c01583466b9323ddfa59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling sparrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "2a36e0f5352feb1809cc08b8afb6952db43fba74ae28c01583466b9323ddfa59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a36e0f5352feb1809cc08b8afb6952db43fba74ae28c01583466b9323ddfa59", kill_on_drop: false }`
[INFO] [stdout] 2a36e0f5352feb1809cc08b8afb6952db43fba74ae28c01583466b9323ddfa59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14ee348b3c040d00e494b15f972dea35a53b3961a248d826d71d3f238d362ee7
[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" "14ee348b3c040d00e494b15f972dea35a53b3961a248d826d71d3f238d362ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rstest v0.6.4
[INFO] [stderr]    Compiling sparrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.50s
[INFO] running `Command { std: "docker" "inspect" "14ee348b3c040d00e494b15f972dea35a53b3961a248d826d71d3f238d362ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ee348b3c040d00e494b15f972dea35a53b3961a248d826d71d3f238d362ee7", kill_on_drop: false }`
[INFO] [stdout] 14ee348b3c040d00e494b15f972dea35a53b3961a248d826d71d3f238d362ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28593db4e02aa14a66ae5bfe6c6a440a5d55718182e91af6010065bc606f78cf
[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" "28593db4e02aa14a66ae5bfe6c6a440a5d55718182e91af6010065bc606f78cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sparrow-6b01474556f60c9e
[INFO] [stdout] running 12 tests
[INFO] [stdout] test core::egg::tests::test_egg_display_impl ... ok
[INFO] [stdout] test core::egg::tests::test_egg_getters ... ok
[INFO] [stdout] test core::nest::tests::test_nest_new ... ok
[INFO] [stdout] test core::nest::tests::test_nest_get ... ok
[INFO] [stdout] test core::nest::tests::test_nest_insert ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_get ... ok
[INFO] [stdout] test core::nest::tests::test_new_nest ... ok
[INFO] [stdout] test core::nest::tests::test_nest_pop ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_insert ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_new ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_pop ... ok
[INFO] [stdout] test core::egg::tests::test_egg_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sparrow-3ea172ef8e84e032
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sparrow
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28593db4e02aa14a66ae5bfe6c6a440a5d55718182e91af6010065bc606f78cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28593db4e02aa14a66ae5bfe6c6a440a5d55718182e91af6010065bc606f78cf", kill_on_drop: false }`
[INFO] [stdout] 28593db4e02aa14a66ae5bfe6c6a440a5d55718182e91af6010065bc606f78cf