[INFO] fetching crate matter 0.1.0-alpha4...
[INFO] testing matter-0.1.0-alpha4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate matter 0.1.0-alpha4 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate matter 0.1.0-alpha4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc89404e3c7bd5769704a13a2ba40cd805c99311259bce65604a6bc4a0bbc0bd
[INFO] running `Command { std: "docker" "start" "-a" "dc89404e3c7bd5769704a13a2ba40cd805c99311259bce65604a6bc4a0bbc0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc89404e3c7bd5769704a13a2ba40cd805c99311259bce65604a6bc4a0bbc0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc89404e3c7bd5769704a13a2ba40cd805c99311259bce65604a6bc4a0bbc0bd", kill_on_drop: false }`
[INFO] [stdout] dc89404e3c7bd5769704a13a2ba40cd805c99311259bce65604a6bc4a0bbc0bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 202ddc2a079c910f4dbea44eb8503f097f2e41f6a7815bbed583b69d10b236ec
[INFO] running `Command { std: "docker" "start" "-a" "202ddc2a079c910f4dbea44eb8503f097f2e41f6a7815bbed583b69d10b236ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling matter v0.1.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "202ddc2a079c910f4dbea44eb8503f097f2e41f6a7815bbed583b69d10b236ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202ddc2a079c910f4dbea44eb8503f097f2e41f6a7815bbed583b69d10b236ec", kill_on_drop: false }`
[INFO] [stdout] 202ddc2a079c910f4dbea44eb8503f097f2e41f6a7815bbed583b69d10b236ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb1006d6c1d2d18ff8a164fd37222fe970d0df0f3f0ee8c305691ff92f567f85
[INFO] running `Command { std: "docker" "start" "-a" "cb1006d6c1d2d18ff8a164fd37222fe970d0df0f3f0ee8c305691ff92f567f85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matter v0.1.0-alpha4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "cb1006d6c1d2d18ff8a164fd37222fe970d0df0f3f0ee8c305691ff92f567f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1006d6c1d2d18ff8a164fd37222fe970d0df0f3f0ee8c305691ff92f567f85", kill_on_drop: false }`
[INFO] [stdout] cb1006d6c1d2d18ff8a164fd37222fe970d0df0f3f0ee8c305691ff92f567f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbd19839515afe8b7204639aee3635941e068ca7fc5add976f86ca33d7a7b6b3
[INFO] running `Command { std: "docker" "start" "-a" "bbd19839515afe8b7204639aee3635941e068ca7fc5add976f86ca33d7a7b6b3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matter-d9fc3e07a24795ca)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::extract_basic_yaml ... ok
[INFO] [stdout] test tests::extract_unquoted_yaml ... ok
[INFO] [stdout] test tests::extract_nested_yaml ... ok
[INFO] [stdout] test tests::extract_multiline_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 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bbd19839515afe8b7204639aee3635941e068ca7fc5add976f86ca33d7a7b6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd19839515afe8b7204639aee3635941e068ca7fc5add976f86ca33d7a7b6b3", kill_on_drop: false }`
[INFO] [stdout] bbd19839515afe8b7204639aee3635941e068ca7fc5add976f86ca33d7a7b6b3