[INFO] fetching crate sparrow 0.1.0...
[INFO] testing sparrow-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sparrow 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sparrow 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 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-4/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.50
[INFO] [stderr]   Downloaded rstest v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8c96ca06458e1d5825cc596e511890dd498762ea09f29b790bbe237e6546b6e0
[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" "8c96ca06458e1d5825cc596e511890dd498762ea09f29b790bbe237e6546b6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c96ca06458e1d5825cc596e511890dd498762ea09f29b790bbe237e6546b6e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c96ca06458e1d5825cc596e511890dd498762ea09f29b790bbe237e6546b6e0", kill_on_drop: false }`
[INFO] [stdout] 8c96ca06458e1d5825cc596e511890dd498762ea09f29b790bbe237e6546b6e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 670c8b775755872e4c1741a2c03302ea73558515bc438f9285d0584386942858
[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" "670c8b775755872e4c1741a2c03302ea73558515bc438f9285d0584386942858", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 10.13s
[INFO] running `Command { std: "docker" "inspect" "670c8b775755872e4c1741a2c03302ea73558515bc438f9285d0584386942858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "670c8b775755872e4c1741a2c03302ea73558515bc438f9285d0584386942858", kill_on_drop: false }`
[INFO] [stdout] 670c8b775755872e4c1741a2c03302ea73558515bc438f9285d0584386942858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa02bdca3232aba2dd953484144fc573176adba465e9662c927a1e57f170a21d
[INFO] running `Command { std: "docker" "start" "-a" "aa02bdca3232aba2dd953484144fc573176adba465e9662c927a1e57f170a21d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.50
[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 26.58s
[INFO] running `Command { std: "docker" "inspect" "aa02bdca3232aba2dd953484144fc573176adba465e9662c927a1e57f170a21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa02bdca3232aba2dd953484144fc573176adba465e9662c927a1e57f170a21d", kill_on_drop: false }`
[INFO] [stdout] aa02bdca3232aba2dd953484144fc573176adba465e9662c927a1e57f170a21d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89a8e80493eace55ef5566ac3d19c05db4895df9d33177152539ba29e3296368
[INFO] running `Command { std: "docker" "start" "-a" "89a8e80493eace55ef5566ac3d19c05db4895df9d33177152539ba29e3296368", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sparrow-103cea4d6b650809)
[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::egg::tests::test_egg_new ... ok
[INFO] [stdout] test core::nest::tests::test_nest_new ... 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_new ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_pop ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_insert ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sparrow-472792bf8fdc72e8)
[INFO] [stdout] test core::nest::tests::test_nest_insert ... ok
[INFO] [stderr]    Doc-tests sparrow
[INFO] [stdout] test core::nest::tests::test_nest_get ... ok
[INFO] [stdout] test core::sparrow::tests::test_sparrow_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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] [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" "89a8e80493eace55ef5566ac3d19c05db4895df9d33177152539ba29e3296368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a8e80493eace55ef5566ac3d19c05db4895df9d33177152539ba29e3296368", kill_on_drop: false }`
[INFO] [stdout] 89a8e80493eace55ef5566ac3d19c05db4895df9d33177152539ba29e3296368