[INFO] fetching crate matrixstack 0.1.4...
[INFO] testing matrixstack-0.1.4 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate matrixstack 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate matrixstack 0.1.4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] b6d4ae15031e249a6698dc7c00596dadee9296e4c1c051aed6ed193eb54c6176
[INFO] running `Command { std: "docker" "start" "-a" "b6d4ae15031e249a6698dc7c00596dadee9296e4c1c051aed6ed193eb54c6176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d4ae15031e249a6698dc7c00596dadee9296e4c1c051aed6ed193eb54c6176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d4ae15031e249a6698dc7c00596dadee9296e4c1c051aed6ed193eb54c6176", kill_on_drop: false }`
[INFO] [stdout] b6d4ae15031e249a6698dc7c00596dadee9296e4c1c051aed6ed193eb54c6176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 9fbfd4ca920d5166a8be6f372fc292c8c5fcb396a1f87234aafc79a0153f98cc
[INFO] running `Command { std: "docker" "start" "-a" "9fbfd4ca920d5166a8be6f372fc292c8c5fcb396a1f87234aafc79a0153f98cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[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 9.66s
[INFO] running `Command { std: "docker" "inspect" "9fbfd4ca920d5166a8be6f372fc292c8c5fcb396a1f87234aafc79a0153f98cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fbfd4ca920d5166a8be6f372fc292c8c5fcb396a1f87234aafc79a0153f98cc", kill_on_drop: false }`
[INFO] [stdout] 9fbfd4ca920d5166a8be6f372fc292c8c5fcb396a1f87234aafc79a0153f98cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] a8f46ead8cd94529f6694fa08ee4ce85fdf3e6b273bb5b5b6e696d0cd8221ddb
[INFO] running `Command { std: "docker" "start" "-a" "a8f46ead8cd94529f6694fa08ee4ce85fdf3e6b273bb5b5b6e696d0cd8221ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixstack v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrixstack-543d3b976271a3b0)
[INFO] running `Command { std: "docker" "inspect" "a8f46ead8cd94529f6694fa08ee4ce85fdf3e6b273bb5b5b6e696d0cd8221ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f46ead8cd94529f6694fa08ee4ce85fdf3e6b273bb5b5b6e696d0cd8221ddb", kill_on_drop: false }`
[INFO] [stdout] a8f46ead8cd94529f6694fa08ee4ce85fdf3e6b273bb5b5b6e696d0cd8221ddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] f39f64d855334c193566903320981a7e81f0bd6bb9074957808e87bf09e9fb1d
[INFO] running `Command { std: "docker" "start" "-a" "f39f64d855334c193566903320981a7e81f0bd6bb9074957808e87bf09e9fb1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrixstack-543d3b976271a3b0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matrixstack
[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" "f39f64d855334c193566903320981a7e81f0bd6bb9074957808e87bf09e9fb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39f64d855334c193566903320981a7e81f0bd6bb9074957808e87bf09e9fb1d", kill_on_drop: false }`
[INFO] [stdout] f39f64d855334c193566903320981a7e81f0bd6bb9074957808e87bf09e9fb1d