[INFO] fetching crate matrixstack 0.1.4...
[INFO] testing matrixstack-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate matrixstack 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate matrixstack 0.1.4 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 matrixstack 0.1.4
[INFO] finished tweaking crates.io crate matrixstack 0.1.4
[INFO] tweaked toml for crates.io crate matrixstack 0.1.4 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 945fe3f187223daf885416b0ec6f56c838c10aa739d6c0e5fcc8d0128135ffa2
[INFO] running `Command { std: "docker" "start" "-a" "945fe3f187223daf885416b0ec6f56c838c10aa739d6c0e5fcc8d0128135ffa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "945fe3f187223daf885416b0ec6f56c838c10aa739d6c0e5fcc8d0128135ffa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945fe3f187223daf885416b0ec6f56c838c10aa739d6c0e5fcc8d0128135ffa2", kill_on_drop: false }`
[INFO] [stdout] 945fe3f187223daf885416b0ec6f56c838c10aa739d6c0e5fcc8d0128135ffa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3a2f508a4e30e6e34012fe29e31a82a4da35c3c6aa155236e739f5c5fa297b40
[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" "3a2f508a4e30e6e34012fe29e31a82a4da35c3c6aa155236e739f5c5fa297b40", kill_on_drop: false }`
[INFO] [stderr]    Compiling cgmath v0.10.0
[INFO] [stderr]    Compiling matrixstack v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "3a2f508a4e30e6e34012fe29e31a82a4da35c3c6aa155236e739f5c5fa297b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2f508a4e30e6e34012fe29e31a82a4da35c3c6aa155236e739f5c5fa297b40", kill_on_drop: false }`
[INFO] [stdout] 3a2f508a4e30e6e34012fe29e31a82a4da35c3c6aa155236e739f5c5fa297b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] abacdf5aa22afef77b882729fc7fea13d9c8ee45f1eb0d2900a60ddea2b3f69d
[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" "abacdf5aa22afef77b882729fc7fea13d9c8ee45f1eb0d2900a60ddea2b3f69d", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixstack v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "abacdf5aa22afef77b882729fc7fea13d9c8ee45f1eb0d2900a60ddea2b3f69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abacdf5aa22afef77b882729fc7fea13d9c8ee45f1eb0d2900a60ddea2b3f69d", kill_on_drop: false }`
[INFO] [stdout] abacdf5aa22afef77b882729fc7fea13d9c8ee45f1eb0d2900a60ddea2b3f69d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 11dac23c69d0f933b155fd22cda83c0d743e9ee92676f2062969ddd17d388ffe
[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" "11dac23c69d0f933b155fd22cda83c0d743e9ee92676f2062969ddd17d388ffe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrixstack-754247df36d188ef
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests matrixstack
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11dac23c69d0f933b155fd22cda83c0d743e9ee92676f2062969ddd17d388ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dac23c69d0f933b155fd22cda83c0d743e9ee92676f2062969ddd17d388ffe", kill_on_drop: false }`
[INFO] [stdout] 11dac23c69d0f933b155fd22cda83c0d743e9ee92676f2062969ddd17d388ffe