[INFO] fetching crate matter 0.1.0-alpha4...
[INFO] testing matter-0.1.0-alpha4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate matter 0.1.0-alpha4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate matter 0.1.0-alpha4 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 matter 0.1.0-alpha4
[INFO] finished tweaking crates.io crate matter 0.1.0-alpha4
[INFO] tweaked toml for crates.io crate matter 0.1.0-alpha4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 737e33d9656379096cb586632d550cdd230c26796f2a877e8830952acfdec6a8
[INFO] running `Command { std: "docker" "start" "-a" "737e33d9656379096cb586632d550cdd230c26796f2a877e8830952acfdec6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "737e33d9656379096cb586632d550cdd230c26796f2a877e8830952acfdec6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737e33d9656379096cb586632d550cdd230c26796f2a877e8830952acfdec6a8", kill_on_drop: false }`
[INFO] [stdout] 737e33d9656379096cb586632d550cdd230c26796f2a877e8830952acfdec6a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff8da77f475ae899fc349a695b3010f53e078f28a60f2b2bbb40bcf793d1a14
[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" "eff8da77f475ae899fc349a695b3010f53e078f28a60f2b2bbb40bcf793d1a14", kill_on_drop: false }`
[INFO] [stderr]    Compiling matter v0.1.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "eff8da77f475ae899fc349a695b3010f53e078f28a60f2b2bbb40bcf793d1a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff8da77f475ae899fc349a695b3010f53e078f28a60f2b2bbb40bcf793d1a14", kill_on_drop: false }`
[INFO] [stdout] eff8da77f475ae899fc349a695b3010f53e078f28a60f2b2bbb40bcf793d1a14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] cf0d710f0d33b9b4622f8ca863edfce7d4f0699cf45963014a3e80085674f39d
[INFO] running `Command { std: "docker" "start" "-a" "cf0d710f0d33b9b4622f8ca863edfce7d4f0699cf45963014a3e80085674f39d", kill_on_drop: false }`
[INFO] [stderr]    Compiling matter v0.1.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "cf0d710f0d33b9b4622f8ca863edfce7d4f0699cf45963014a3e80085674f39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0d710f0d33b9b4622f8ca863edfce7d4f0699cf45963014a3e80085674f39d", kill_on_drop: false }`
[INFO] [stdout] cf0d710f0d33b9b4622f8ca863edfce7d4f0699cf45963014a3e80085674f39d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 157aa252655d9f22486c1ed3f05618b9f63b3846191d207a0f7831d912335ccd
[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" "157aa252655d9f22486c1ed3f05618b9f63b3846191d207a0f7831d912335ccd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matter-36374260e97ea961
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::extract_multiline_yaml ... ok
[INFO] [stdout] test tests::extract_nested_yaml ... ok
[INFO] [stdout] test tests::extract_toml ... ok
[INFO] [stdout] test tests::extract_unquoted_yaml ... ok
[INFO] [stdout] test tests::extract_basic_yaml ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matter
[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" "157aa252655d9f22486c1ed3f05618b9f63b3846191d207a0f7831d912335ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157aa252655d9f22486c1ed3f05618b9f63b3846191d207a0f7831d912335ccd", kill_on_drop: false }`
[INFO] [stdout] 157aa252655d9f22486c1ed3f05618b9f63b3846191d207a0f7831d912335ccd