[INFO] fetching crate low-level-virtual-machine 0.1.2...
[INFO] testing low-level-virtual-machine-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate low-level-virtual-machine 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate low-level-virtual-machine 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate low-level-virtual-machine 0.1.2
[INFO] finished tweaking crates.io crate low-level-virtual-machine 0.1.2
[INFO] tweaked toml for crates.io crate low-level-virtual-machine 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v100.2.0
[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" "+beta-2021-01-01" "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] ab1952d8bca326e8615f69c726c983ec176c511e0be4c064b68066cae93c5786
[INFO] running `Command { std: "docker" "start" "-a" "ab1952d8bca326e8615f69c726c983ec176c511e0be4c064b68066cae93c5786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab1952d8bca326e8615f69c726c983ec176c511e0be4c064b68066cae93c5786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1952d8bca326e8615f69c726c983ec176c511e0be4c064b68066cae93c5786", kill_on_drop: false }`
[INFO] [stdout] ab1952d8bca326e8615f69c726c983ec176c511e0be4c064b68066cae93c5786
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3348ab55ab1f8b99cb867914b0d1d10263ff1ae32699949b781807deec6577d2
[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" "3348ab55ab1f8b99cb867914b0d1d10263ff1ae32699949b781807deec6577d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling llvm-sys v100.2.0
[INFO] [stderr]    Compiling low-level-virtual-machine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "3348ab55ab1f8b99cb867914b0d1d10263ff1ae32699949b781807deec6577d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3348ab55ab1f8b99cb867914b0d1d10263ff1ae32699949b781807deec6577d2", kill_on_drop: false }`
[INFO] [stdout] 3348ab55ab1f8b99cb867914b0d1d10263ff1ae32699949b781807deec6577d2
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bcb614f814d9922f0874e01513400d44cfa100be143aaad68663fff540aa3d6
[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" "2bcb614f814d9922f0874e01513400d44cfa100be143aaad68663fff540aa3d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling low-level-virtual-machine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "2bcb614f814d9922f0874e01513400d44cfa100be143aaad68663fff540aa3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bcb614f814d9922f0874e01513400d44cfa100be143aaad68663fff540aa3d6", kill_on_drop: false }`
[INFO] [stdout] 2bcb614f814d9922f0874e01513400d44cfa100be143aaad68663fff540aa3d6
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e016790693ebde7cd60577e6771cc3642c49b61355832a82c6227573bb2f250
[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" "9e016790693ebde7cd60577e6771cc3642c49b61355832a82c6227573bb2f250", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/low_level_virtual_machine-82385575283408bd
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test context::tests::context_volatility ... ok
[INFO] [stdout] test context::tests::create_an_owned_context ... ok
[INFO] [stdout] test context::tests::obtain_a_global_context ... ok
[INFO] [stdout] test module::tests::cloning_module ... ok
[INFO] [stdout] test context::tests::discard_value_names ... ok
[INFO] [stdout] test module::tests::module_source_file_name ... ok
[INFO] [stdout] test module::tests::module_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests low-level-virtual-machine
[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" "9e016790693ebde7cd60577e6771cc3642c49b61355832a82c6227573bb2f250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e016790693ebde7cd60577e6771cc3642c49b61355832a82c6227573bb2f250", kill_on_drop: false }`
[INFO] [stdout] 9e016790693ebde7cd60577e6771cc3642c49b61355832a82c6227573bb2f250