[INFO] fetching crate matrix_2d 0.1.0...
[INFO] testing matrix_2d-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate matrix_2d 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate matrix_2d 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix_2d 0.1.0
[INFO] finished tweaking crates.io crate matrix_2d 0.1.0
[INFO] tweaked toml for crates.io crate matrix_2d 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9325c10c9a56f5036b394f02d468bc952353b523c0d1cad5e286c39d284a2560
[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" "9325c10c9a56f5036b394f02d468bc952353b523c0d1cad5e286c39d284a2560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9325c10c9a56f5036b394f02d468bc952353b523c0d1cad5e286c39d284a2560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9325c10c9a56f5036b394f02d468bc952353b523c0d1cad5e286c39d284a2560", kill_on_drop: false }`
[INFO] [stdout] 9325c10c9a56f5036b394f02d468bc952353b523c0d1cad5e286c39d284a2560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673cbb6934966ccc632538cc970be3c51ad3d38988bee9c33fe2c7d0832287d1
[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" "673cbb6934966ccc632538cc970be3c51ad3d38988bee9c33fe2c7d0832287d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_2d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "673cbb6934966ccc632538cc970be3c51ad3d38988bee9c33fe2c7d0832287d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673cbb6934966ccc632538cc970be3c51ad3d38988bee9c33fe2c7d0832287d1", kill_on_drop: false }`
[INFO] [stdout] 673cbb6934966ccc632538cc970be3c51ad3d38988bee9c33fe2c7d0832287d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ccbfd487bb318f7a9562339dc5fbedbcb98a39b588616aa881cd3c654a1429d
[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" "3ccbfd487bb318f7a9562339dc5fbedbcb98a39b588616aa881cd3c654a1429d", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_2d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "3ccbfd487bb318f7a9562339dc5fbedbcb98a39b588616aa881cd3c654a1429d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ccbfd487bb318f7a9562339dc5fbedbcb98a39b588616aa881cd3c654a1429d", kill_on_drop: false }`
[INFO] [stdout] 3ccbfd487bb318f7a9562339dc5fbedbcb98a39b588616aa881cd3c654a1429d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.55.0" "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] 89a48912acbbe017527ad117a75b33395c7952cd5edddbdcb9119949975f1db0
[INFO] running `Command { std: "docker" "start" "-a" "89a48912acbbe017527ad117a75b33395c7952cd5edddbdcb9119949975f1db0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_2d-51262292308fb50d)
[INFO] [stdout] test tests::new_returns_identity ... ok
[INFO] [stdout] test tests::translate_mut_performs_translation ... ok
[INFO] [stdout] test tests::scale_mut_performs_scale ... ok
[INFO] [stdout] test tests::translate_performs_translation_on_new_matrix ... ok
[INFO] [stdout] test tests::scale_performs_scale_on_new_matrix ... 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 matrix_2d
[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" "89a48912acbbe017527ad117a75b33395c7952cd5edddbdcb9119949975f1db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a48912acbbe017527ad117a75b33395c7952cd5edddbdcb9119949975f1db0", kill_on_drop: false }`
[INFO] [stdout] 89a48912acbbe017527ad117a75b33395c7952cd5edddbdcb9119949975f1db0