[INFO] fetching crate extendable_vm 0.4.0...
[INFO] testing extendable_vm-0.4.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate extendable_vm 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate extendable_vm 0.4.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extendable_vm 0.4.0
[INFO] finished tweaking crates.io crate extendable_vm 0.4.0
[INFO] tweaked toml for crates.io crate extendable_vm 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68e6d27287ef68e25b8e539bacbc20af878c56af9e6c4996b79f18e090fc9241
[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" "68e6d27287ef68e25b8e539bacbc20af878c56af9e6c4996b79f18e090fc9241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e6d27287ef68e25b8e539bacbc20af878c56af9e6c4996b79f18e090fc9241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e6d27287ef68e25b8e539bacbc20af878c56af9e6c4996b79f18e090fc9241", kill_on_drop: false }`
[INFO] [stdout] 68e6d27287ef68e25b8e539bacbc20af878c56af9e6c4996b79f18e090fc9241
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4ea50b55dff814642697d386b8d970bd43cc6bed96047b532cb033f21c53c64
[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" "d4ea50b55dff814642697d386b8d970bd43cc6bed96047b532cb033f21c53c64", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling extendable_vm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `Command { std: "docker" "inspect" "d4ea50b55dff814642697d386b8d970bd43cc6bed96047b532cb033f21c53c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ea50b55dff814642697d386b8d970bd43cc6bed96047b532cb033f21c53c64", kill_on_drop: false }`
[INFO] [stdout] d4ea50b55dff814642697d386b8d970bd43cc6bed96047b532cb033f21c53c64
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 251b38d9a74a4ee92dab1fa617a866cbe7947e60d90012ece791083cc6d5a3db
[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" "251b38d9a74a4ee92dab1fa617a866cbe7947e60d90012ece791083cc6d5a3db", kill_on_drop: false }`
[INFO] [stderr]    Compiling extendable_vm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "251b38d9a74a4ee92dab1fa617a866cbe7947e60d90012ece791083cc6d5a3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251b38d9a74a4ee92dab1fa617a866cbe7947e60d90012ece791083cc6d5a3db", kill_on_drop: false }`
[INFO] [stdout] 251b38d9a74a4ee92dab1fa617a866cbe7947e60d90012ece791083cc6d5a3db
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4dbb15cd3fff8beb7998d7a841238bc0ecf7f79576ac472a95fc886cd333d52e
[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" "4dbb15cd3fff8beb7998d7a841238bc0ecf7f79576ac472a95fc886cd333d52e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 18 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extendable_vm-8fd6b571ee0fdc96)
[INFO] [stdout] test instruction_table::tests::initially_get_instruction_should_return_none ... ok
[INFO] [stdout] test parsing::code_parser::tests::test_should_parse_1_chunk_3_constants_3_instructions ... ok
[INFO] [stdout] test runtime::stack::tests::empty_stack_should_have_size_1_after_1_element_added ... ok
[INFO] [stdout] test runtime::stack::tests::empty_stack_should_have_size_100_after_100_elements_added ... ok
[INFO] [stdout] test runtime::instruction_pointer::tests::should_iterate_over_all_instructions ... ok
[INFO] [stdout] test runtime::stack::tests::empty_stack_should_return_none_on_pop ... ok
[INFO] [stdout] test runtime::stack::tests::stack_of_size_100_should_become_99_after_element_is_popped ... ok
[INFO] [stdout] test parsing::code_parser::tests::test_should_parse_1_chunk_0_constants_0_instructions ... ok
[INFO] [stdout] test runtime::instruction_pointer::tests::should_jump_backward ... ok
[INFO] [stdout] test runtime::stack::tests::stack_of_size_10_should_not_change_size_after_element_is_set ... ok
[INFO] [stdout] test instruction_table::tests::registered_instruction_should_be_gettable ... ok
[INFO] [stdout] test parsing::code_parser::tests::test_should_parse_2_chunks_1_constant_1_instruction ... ok
[INFO] [stdout] test runtime::instruction_pointer::tests::should_jump_forward ... ok
[INFO] [stdout] test runtime::stack::tests::stack_initially_should_have_0_size ... ok
[INFO] [stdout] test parsing::code_parser::tests::test_should_parse_1_chunk_3_constants_0_instructions ... ok
[INFO] [stderr]    Doc-tests extendable_vm
[INFO] [stdout] test instruction_table::tests::registering_instructions_with_duplicate_opcodes_panics - should panic ... ok
[INFO] [stdout] test parsing::code_parser::tests::test_should_panic_if_empty_code - should panic ... ok
[INFO] [stdout] test runtime::instruction_pointer::tests::should_panic_if_jumps_too_far_backward - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "4dbb15cd3fff8beb7998d7a841238bc0ecf7f79576ac472a95fc886cd333d52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbb15cd3fff8beb7998d7a841238bc0ecf7f79576ac472a95fc886cd333d52e", kill_on_drop: false }`
[INFO] [stdout] 4dbb15cd3fff8beb7998d7a841238bc0ecf7f79576ac472a95fc886cd333d52e