[INFO] fetching crate tree-buf 0.8.0...
[INFO] testing tree-buf-0.8.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate tree-buf 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tree-buf 0.8.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tree-buf 0.8.0
[INFO] finished tweaking crates.io crate tree-buf 0.8.0
[INFO] tweaked toml for crates.io crate tree-buf 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3eae94befdb9d6fc70a18875b386e97316bfe4ccac54ad5b4d5305d45ac4e86
[INFO] running `"docker" "start" "-a" "f3eae94befdb9d6fc70a18875b386e97316bfe4ccac54ad5b4d5305d45ac4e86"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling simple-16 v0.1.0
[INFO] [stderr]    Compiling transmute v0.1.1
[INFO] [stderr]    Compiling gibbon v0.1.3
[INFO] [stderr]    Compiling defer v0.1.0
[INFO] [stderr]    Compiling zigzag v0.1.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling coercible_errors v0.1.4
[INFO] [stderr]    Compiling tree-buf-macros v0.8.0
[INFO] [stderr]    Compiling tree-buf v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.04s
[INFO] running `"docker" "inspect" "f3eae94befdb9d6fc70a18875b386e97316bfe4ccac54ad5b4d5305d45ac4e86"`
[INFO] running `"docker" "rm" "-f" "f3eae94befdb9d6fc70a18875b386e97316bfe4ccac54ad5b4d5305d45ac4e86"`
[INFO] [stdout] f3eae94befdb9d6fc70a18875b386e97316bfe4ccac54ad5b4d5305d45ac4e86
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7988213ffc7f9b7b3dbe2de13b427b4b0172d3d30ee5cdbf587acee96bc58484
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7988213ffc7f9b7b3dbe2de13b427b4b0172d3d30ee5cdbf587acee96bc58484"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling tree-buf v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "7988213ffc7f9b7b3dbe2de13b427b4b0172d3d30ee5cdbf587acee96bc58484"`
[INFO] running `"docker" "rm" "-f" "7988213ffc7f9b7b3dbe2de13b427b4b0172d3d30ee5cdbf587acee96bc58484"`
[INFO] [stdout] 7988213ffc7f9b7b3dbe2de13b427b4b0172d3d30ee5cdbf587acee96bc58484
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3489eb6c79378ede58ced79871365015770957c8ab2f2ef8fcbb42f21838bf51
[INFO] running `"docker" "start" "-a" "3489eb6c79378ede58ced79871365015770957c8ab2f2ef8fcbb42f21838bf51"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tree_buf-e6927faf17cf5277
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test internal::branch::tests::all_root_type_ids ... ok
[INFO] [stdout] test internal::encodings::packed_bool::tests::round_trip_packed_bool ... ok
[INFO] [stdout] test internal::encodings::varint::tests::round_trip_reserved ... ok
[INFO] [stdout] test internal::branch::tests::all_array_type_ids ... ok
[INFO] [stdout] test internal::encodings::varint::tests::test_prefix ... ok
[INFO] [stdout] test internal::encodings::varint::tests::test_suffix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/enums-84b8187c979c1b97
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test selects_correct_discriminant ... ok
[INFO] [stdout] test pub_vis ... ok
[INFO] [stdout] test mixed_void_and_single ... ok
[INFO] [stdout] test unnamed_field_one_variant ... ok
[INFO] [stdout] test void_value ... ok
[INFO] [stdout] test unused_variations_do_not_affect_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/error_sizes-4f59368591f3af38
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tuples_reduce_error_size ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/round_trip-8b592e8fbfbe6711
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test int_vec ... ok
[INFO] [stdout] test array1 ... ok
[INFO] [stdout] test float32_vec ... ok
[INFO] [stdout] test float64_vec ... ok
[INFO] [stdout] test bool_array ... ok
[INFO] [stdout] test bools_root ... ok
[INFO] [stdout] test item_vec ... ok
[INFO] [stdout] test array_tuple ... ok
[INFO] [stdout] test conversions ... ok
[INFO] [stdout] test int_to_bool_nested ... ok
[INFO] [stdout] test lossy_f64_vec ... ok
[INFO] [stdout] test ignores ... ok
[INFO] [stdout] test nested_float_vec ... ok
[INFO] [stdout] test maps_void ... ok
[INFO] [stdout] test map_n_root ... ok
[INFO] [stdout] test map_1_root ... ok
[INFO] [stdout] test enum_with_vec ... ok
[INFO] [stdout] test small_structs ... ok
[INFO] [stdout] test fixed_arrays ... ok
[INFO] [stdout] test map_0_root ... ok
[INFO] [stdout] test visibility_modifiers ... ok
[INFO] [stdout] test opts_root ... ok
[INFO] [stdout] test nullable_array ... ok
[INFO] [stdout] test various_types ... ok
[INFO] [stdout] test item ... ok
[INFO] [stdout] test broken_int ... ok
[INFO] [stdout] test nested_strings_using_rle ... ok
[INFO] [stdout] test strings_using_dictionary ... ok
[INFO] [stdout] test maps_array ... ok
[INFO] [stdout] test long_bool_runs ... ok
[INFO] [stdout] test large_structs ... ok
[INFO] [stdout] test ints_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/schema_migrations-bf24c0d06dfd1b0b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test fixed_array_to_vec ... ok
[INFO] [stdout] test canonical_idents_compatible ... ok
[INFO] [stdout] test add_option_defaults_to_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/schema_mismatches-6db4c64b4743bc3c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mismatched_root ... ok
[INFO] [stdout] test missnamed_obj_field ... ok
[INFO] [stdout] test wrong_tuple_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree-buf
[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 `"docker" "inspect" "3489eb6c79378ede58ced79871365015770957c8ab2f2ef8fcbb42f21838bf51"`
[INFO] running `"docker" "rm" "-f" "3489eb6c79378ede58ced79871365015770957c8ab2f2ef8fcbb42f21838bf51"`
[INFO] [stdout] 3489eb6c79378ede58ced79871365015770957c8ab2f2ef8fcbb42f21838bf51