[INFO] fetching crate tree-buf 0.10.0...
[INFO] testing tree-buf-0.10.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tree-buf 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tree-buf 0.10.0 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 tree-buf 0.10.0
[INFO] finished tweaking crates.io crate tree-buf 0.10.0
[INFO] tweaked toml for crates.io crate tree-buf 0.10.0 written to /workspace/builds/worker-4/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 simple-16 v0.2.0
[INFO] [stderr]   Downloaded defer v0.1.0
[INFO] [stderr]   Downloaded gibbon v0.1.3
[INFO] [stderr]   Downloaded tree-buf-macros v0.10.0
[INFO] [stderr]   Downloaded zigzag v0.1.0
[INFO] [stderr]   Downloaded firestorm v0.3.0
[INFO] [stderr]   Downloaded coercible_errors v0.1.4
[INFO] [stderr]   Downloaded transmute v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01480847c71de3823216905603126f55eeb9eb93a94edf7adfa96ac58e9a6c92
[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" "01480847c71de3823216905603126f55eeb9eb93a94edf7adfa96ac58e9a6c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01480847c71de3823216905603126f55eeb9eb93a94edf7adfa96ac58e9a6c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01480847c71de3823216905603126f55eeb9eb93a94edf7adfa96ac58e9a6c92", kill_on_drop: false }`
[INFO] [stdout] 01480847c71de3823216905603126f55eeb9eb93a94edf7adfa96ac58e9a6c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 065c63c71559dfc063740b705932e8b3d19e7d67fb085d298529c428c97e1bf7
[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" "065c63c71559dfc063740b705932e8b3d19e7d67fb085d298529c428c97e1bf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling firestorm v0.3.0
[INFO] [stderr]    Compiling gibbon v0.1.3
[INFO] [stderr]    Compiling transmute v0.1.1
[INFO] [stderr]    Compiling defer v0.1.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling zigzag v0.1.0
[INFO] [stderr]    Compiling tree-buf-macros v0.10.0
[INFO] [stderr]    Compiling simple-16 v0.2.0
[INFO] [stderr]    Compiling coercible_errors v0.1.4
[INFO] [stderr]    Compiling tree-buf v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "065c63c71559dfc063740b705932e8b3d19e7d67fb085d298529c428c97e1bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065c63c71559dfc063740b705932e8b3d19e7d67fb085d298529c428c97e1bf7", kill_on_drop: false }`
[INFO] [stdout] 065c63c71559dfc063740b705932e8b3d19e7d67fb085d298529c428c97e1bf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b604c16f8b9e10fdc8fbb0b865fda4185a40c444b7d8244b62d165d6fc4e0a03
[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" "b604c16f8b9e10fdc8fbb0b865fda4185a40c444b7d8244b62d165d6fc4e0a03", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling tree-buf v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 30.07s
[INFO] running `Command { std: "docker" "inspect" "b604c16f8b9e10fdc8fbb0b865fda4185a40c444b7d8244b62d165d6fc4e0a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b604c16f8b9e10fdc8fbb0b865fda4185a40c444b7d8244b62d165d6fc4e0a03", kill_on_drop: false }`
[INFO] [stdout] b604c16f8b9e10fdc8fbb0b865fda4185a40c444b7d8244b62d165d6fc4e0a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] feab7feda6a4cbdc10234bea8239bbb2a7a9110d60f81bf300b4864d9e79edb3
[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" "feab7feda6a4cbdc10234bea8239bbb2a7a9110d60f81bf300b4864d9e79edb3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tree_buf-c42b998b8bac402e
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test internal::branch::tests::all_array_type_ids ... ok
[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::buffer::tests::can_push_to_capacity ... ok
[INFO] [stdout] test internal::buffer::tests::deref ... ok
[INFO] [stdout] test internal::buffer::tests::can_extend ... 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. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/enums-242d9bd2128a45c0
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test selects_correct_discriminant ... ok
[INFO] [stdout] test unnamed_field_one_variant ... ok
[INFO] [stdout] test void_value ... ok
[INFO] [stdout] test pub_vis ... ok
[INFO] [stdout] test mixed_void_and_single ... 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; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/error_sizes-87fd2ef9393452c4
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/round_trip-64069ca8b98e3160
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test broken_gorilla ... ignored
[INFO] [stdout] test conversions ... ok
[INFO] [stdout] test bools_root ... ok
[INFO] [stdout] test bool_array ... ok
[INFO] [stdout] test array1 ... ok
[INFO] [stdout] test broken_int ... ok
[INFO] [stdout] test delta_prefix_var ... ok
[INFO] [stdout] test float64_vec ... ok
[INFO] [stdout] test fixed_arrays ... ok
[INFO] [stdout] test float32_vec ... ok
[INFO] [stdout] test enum_with_vec ... ok
[INFO] [stdout] test lossy_f64_vec ... ok
[INFO] [stdout] test array_tuple ... ok
[INFO] [stdout] test int_vec ... ok
[INFO] [stdout] test int_to_bool_nested ... ok
[INFO] [stdout] test map_n_root ... ok
[INFO] [stdout] test nullable_array ... ok
[INFO] [stdout] test maps_void ... ok
[INFO] [stdout] test large_structs ... ok
[INFO] [stdout] test item ... ok
[INFO] [stdout] test map_0_root ... ok
[INFO] [stdout] test ints_root ... ok
[INFO] [stdout] test map_1_root ... ok
[INFO] [stdout] test item_vec ... ok
[INFO] [stdout] test nested_float_vec ... ok
[INFO] [stdout] test ignores ... ok
[INFO] [stdout] test opts_root ... ok
[INFO] [stdout] test small_structs ... ok
[INFO] [stdout] test maps_array ... ok
[INFO] [stdout] test nested_strings_using_rle ... ok
[INFO] [stdout] test various_types ... ok
[INFO] [stdout] test visibility_modifiers ... ok
[INFO] [stdout] test long_bool_runs ... ok
[INFO] [stdout] test strings_using_dictionary ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/schema_migrations-59a3a5b9e9a7ef3e
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test canonical_idents_compatible ... ok
[INFO] [stdout] test fixed_array_to_vec ... 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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/schema_mismatches-4e2d0d7c93ec252c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mismatched_root ... ok
[INFO] [stderr]    Doc-tests tree-buf
[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; finished in 0.01s
[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" "feab7feda6a4cbdc10234bea8239bbb2a7a9110d60f81bf300b4864d9e79edb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feab7feda6a4cbdc10234bea8239bbb2a7a9110d60f81bf300b4864d9e79edb3", kill_on_drop: false }`
[INFO] [stdout] feab7feda6a4cbdc10234bea8239bbb2a7a9110d60f81bf300b4864d9e79edb3