[INFO] crate tree-buf 0.9.0 is already in cache
[INFO] testing tree-buf-0.9.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate tree-buf 0.9.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tree-buf 0.9.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree-buf 0.9.0
[INFO] finished tweaking crates.io crate tree-buf 0.9.0
[INFO] tweaked toml for crates.io crate tree-buf 0.9.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9903b30433b0586b90dcac60dbaa810aa2e1cd66394abeca09536835433f7e64
[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" "9903b30433b0586b90dcac60dbaa810aa2e1cd66394abeca09536835433f7e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9903b30433b0586b90dcac60dbaa810aa2e1cd66394abeca09536835433f7e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9903b30433b0586b90dcac60dbaa810aa2e1cd66394abeca09536835433f7e64", kill_on_drop: false }`
[INFO] [stdout] 9903b30433b0586b90dcac60dbaa810aa2e1cd66394abeca09536835433f7e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 657a75b76e5a283ee9aa45784b41a53abb91b0094634debef94690b323784549
[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" "657a75b76e5a283ee9aa45784b41a53abb91b0094634debef94690b323784549", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling transmute v0.1.1
[INFO] [stderr]    Compiling gibbon v0.1.3
[INFO] [stderr]    Compiling simple-16 v0.1.1
[INFO] [stderr]    Compiling firestorm v0.2.0
[INFO] [stderr]    Compiling defer v0.1.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling coercible_errors v0.1.4
[INFO] [stderr]    Compiling zigzag v0.1.0
[INFO] [stderr]    Compiling tree-buf-macros v0.9.0
[INFO] [stderr]    Compiling tree-buf v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: glob import doesn't reexport anything because no candidate is public enough
[INFO] [stdout]   --> src/internal/mod.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use {branch::*, buffer::*, encoder_decoder::*, encodings::*, options::*, parallel::*, rust_std::*, types::*};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::experimental::*`
[INFO] [stdout]   --> src/lib.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub(crate) use crate::experimental::*;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.10s
[INFO] running `Command { std: "docker" "inspect" "657a75b76e5a283ee9aa45784b41a53abb91b0094634debef94690b323784549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657a75b76e5a283ee9aa45784b41a53abb91b0094634debef94690b323784549", kill_on_drop: false }`
[INFO] [stdout] 657a75b76e5a283ee9aa45784b41a53abb91b0094634debef94690b323784549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 238eeb0812bd07a05b5e5fa1dd3a3ca2003924d8153882b0186cc64bd1e909f2
[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" "238eeb0812bd07a05b5e5fa1dd3a3ca2003924d8153882b0186cc64bd1e909f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stdout] warning: glob import doesn't reexport anything because no candidate is public enough
[INFO] [stdout]   --> src/internal/mod.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use {branch::*, buffer::*, encoder_decoder::*, encodings::*, options::*, parallel::*, rust_std::*, types::*};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::experimental::*`
[INFO] [stdout]   --> src/lib.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub(crate) use crate::experimental::*;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling tree-buf v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: glob import doesn't reexport anything because no candidate is public enough
[INFO] [stdout]   --> src/internal/mod.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use {branch::*, buffer::*, encoder_decoder::*, encodings::*, options::*, parallel::*, rust_std::*, types::*};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::experimental::*`
[INFO] [stdout]   --> src/lib.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub(crate) use crate::experimental::*;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "238eeb0812bd07a05b5e5fa1dd3a3ca2003924d8153882b0186cc64bd1e909f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238eeb0812bd07a05b5e5fa1dd3a3ca2003924d8153882b0186cc64bd1e909f2", kill_on_drop: false }`
[INFO] [stdout] 238eeb0812bd07a05b5e5fa1dd3a3ca2003924d8153882b0186cc64bd1e909f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15d48ec37fdb158a499e077978bfab2ceaa602dd3bddde0c4fcd2978f870dd95
[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" "15d48ec37fdb158a499e077978bfab2ceaa602dd3bddde0c4fcd2978f870dd95", kill_on_drop: false }`
[INFO] [stderr] warning: glob import doesn't reexport anything because no candidate is public enough
[INFO] [stderr]   --> src/internal/mod.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub use {branch::*, buffer::*, encoder_decoder::*, encodings::*, options::*, parallel::*, rust_std::*, types::*};
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::experimental::*`
[INFO] [stderr]   --> src/lib.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub(crate) use crate::experimental::*;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: glob import doesn't reexport anything because no candidate is public enough
[INFO] [stderr]   --> src/internal/mod.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub use {branch::*, buffer::*, encoder_decoder::*, encodings::*, options::*, parallel::*, rust_std::*, types::*};
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::experimental::*`
[INFO] [stderr]   --> src/lib.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub(crate) use crate::experimental::*;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tree_buf-3abe73396efa943e
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test internal::branch::tests::all_root_type_ids ... ok
[INFO] [stdout] test internal::branch::tests::all_array_type_ids ... ok
[INFO] [stdout] test internal::encodings::packed_bool::tests::round_trip_packed_bool ... ok
[INFO] [stdout] test internal::buffer::tests::deref ... ok
[INFO] [stdout] test internal::buffer::tests::can_push_to_capacity ... ok
[INFO] [stdout] test internal::encodings::varint::tests::round_trip_reserved ... ok
[INFO] [stdout] test internal::buffer::tests::can_extend ... ok
[INFO] [stdout] test internal::encodings::varint::tests::test_suffix ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/enums-8adae63d6397caf5
[INFO] [stdout] test internal::encodings::varint::tests::test_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test void_value ... ok
[INFO] [stdout] test pub_vis ... ok
[INFO] [stdout] test unnamed_field_one_variant ... ok
[INFO] [stdout] test selects_correct_discriminant ... ok
[INFO] [stdout] test unused_variations_do_not_affect_size ... ok
[INFO] [stdout] test mixed_void_and_single ... 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-a92c40727c4e1ae6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/round_trip-604a18b8115ef749
[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] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test bools_root ... ok
[INFO] [stdout] test broken_int ... ok
[INFO] [stdout] test conversions ... ok
[INFO] [stdout] test array1 ... ok
[INFO] [stdout] test fixed_arrays ... ok
[INFO] [stdout] test bool_array ... ok
[INFO] [stdout] test delta_prefix_var ... ok
[INFO] [stdout] test float32_vec ... ok
[INFO] [stdout] test float64_vec ... ok
[INFO] [stdout] test int_vec ... ok
[INFO] [stdout] test ints_root ... ok
[INFO] [stdout] test ignores ... ok
[INFO] [stdout] test enum_with_vec ... ok
[INFO] [stdout] test map_0_root ... ok
[INFO] [stdout] test int_to_bool_nested ... ok
[INFO] [stdout] test array_tuple ... ok
[INFO] [stdout] test lossy_f64_vec ... ok
[INFO] [stdout] test long_bool_runs ... ok
[INFO] [stdout] test map_1_root ... ok
[INFO] [stdout] test item_vec ... ok
[INFO] [stdout] test item ... ok
[INFO] [stdout] test small_structs ... ok
[INFO] [stdout] test map_n_root ... ok
[INFO] [stdout] test opts_root ... ok
[INFO] [stdout] test visibility_modifiers ... ok
[INFO] [stdout] test maps_void ... ok
[INFO] [stdout] test nested_strings_using_rle ... ok
[INFO] [stdout] test maps_array ... ok
[INFO] [stdout] test nested_float_vec ... ok
[INFO] [stdout] test nullable_array ... ok
[INFO] [stdout] test various_types ... ok
[INFO] [stdout] test strings_using_dictionary ... ok
[INFO] [stdout] test large_structs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/schema_migrations-024c0e8321eab1f8
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/schema_mismatches-ec1c905237888301
[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 `Command { std: "docker" "inspect" "15d48ec37fdb158a499e077978bfab2ceaa602dd3bddde0c4fcd2978f870dd95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d48ec37fdb158a499e077978bfab2ceaa602dd3bddde0c4fcd2978f870dd95", kill_on_drop: false }`
[INFO] [stdout] 15d48ec37fdb158a499e077978bfab2ceaa602dd3bddde0c4fcd2978f870dd95