[INFO] fetching crate matter 0.1.0-alpha4...
[INFO] testing matter-0.1.0-alpha4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate matter 0.1.0-alpha4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate matter 0.1.0-alpha4 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 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fdf463e9b95247a98aa86252f51fb57122294db845f6a1c71a1f6d3b25dffdcd
[INFO] running `Command { std: "docker" "start" "-a" "fdf463e9b95247a98aa86252f51fb57122294db845f6a1c71a1f6d3b25dffdcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdf463e9b95247a98aa86252f51fb57122294db845f6a1c71a1f6d3b25dffdcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf463e9b95247a98aa86252f51fb57122294db845f6a1c71a1f6d3b25dffdcd", kill_on_drop: false }`
[INFO] [stdout] fdf463e9b95247a98aa86252f51fb57122294db845f6a1c71a1f6d3b25dffdcd
[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" "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] 78e62795d824676725081c11c465cb466f33c38af628ef9c9ddbdc90037fccba
[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" "78e62795d824676725081c11c465cb466f33c38af628ef9c9ddbdc90037fccba", kill_on_drop: false }`
[INFO] [stderr]    Compiling matter v0.1.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "78e62795d824676725081c11c465cb466f33c38af628ef9c9ddbdc90037fccba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e62795d824676725081c11c465cb466f33c38af628ef9c9ddbdc90037fccba", kill_on_drop: false }`
[INFO] [stdout] 78e62795d824676725081c11c465cb466f33c38af628ef9c9ddbdc90037fccba
[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" "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] 82bf501c8e086e405991a1a596a5cfa55fd59b3e1a8cafdc1587d19957c00586
[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" "82bf501c8e086e405991a1a596a5cfa55fd59b3e1a8cafdc1587d19957c00586", kill_on_drop: false }`
[INFO] [stderr]    Compiling matter v0.1.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "82bf501c8e086e405991a1a596a5cfa55fd59b3e1a8cafdc1587d19957c00586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bf501c8e086e405991a1a596a5cfa55fd59b3e1a8cafdc1587d19957c00586", kill_on_drop: false }`
[INFO] [stdout] 82bf501c8e086e405991a1a596a5cfa55fd59b3e1a8cafdc1587d19957c00586
[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" "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] 30ff2da8b2657b76a610159fccab61439c9deee4783e314d82841d13fe6e4138
[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" "30ff2da8b2657b76a610159fccab61439c9deee4783e314d82841d13fe6e4138", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matter-3dd475fbf709e4c4)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]    Doc-tests matter
[INFO] [stdout] test tests::extract_basic_yaml ... ok
[INFO] [stdout] test tests::extract_multiline_yaml ... ok
[INFO] [stdout] test tests::extract_nested_yaml ... ok
[INFO] [stdout] test tests::extract_unquoted_yaml ... ok
[INFO] [stdout] test tests::extract_toml ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "30ff2da8b2657b76a610159fccab61439c9deee4783e314d82841d13fe6e4138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ff2da8b2657b76a610159fccab61439c9deee4783e314d82841d13fe6e4138", kill_on_drop: false }`
[INFO] [stdout] 30ff2da8b2657b76a610159fccab61439c9deee4783e314d82841d13fe6e4138