[INFO] fetching crate tracing-forest 0.1.5...
[INFO] testing tracing-forest-0.1.5 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate tracing-forest 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tracing-forest 0.1.5 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-forest 0.1.5
[INFO] finished tweaking crates.io crate tracing-forest 0.1.5
[INFO] tweaked toml for crates.io crate tracing-forest 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bd709109cfaa39d5df09698c633048125ef9bec448c855188b1026e93be7a88
[INFO] running `Command { std: "docker" "start" "-a" "8bd709109cfaa39d5df09698c633048125ef9bec448c855188b1026e93be7a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd709109cfaa39d5df09698c633048125ef9bec448c855188b1026e93be7a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd709109cfaa39d5df09698c633048125ef9bec448c855188b1026e93be7a88", kill_on_drop: false }`
[INFO] [stdout] 8bd709109cfaa39d5df09698c633048125ef9bec448c855188b1026e93be7a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b38ee1f194dce92dd8316530ab2e000f1c542887d9f815810ba4dcab4769f990
[INFO] running `Command { std: "docker" "start" "-a" "b38ee1f194dce92dd8316530ab2e000f1c542887d9f815810ba4dcab4769f990", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling tracing-attributes v0.1.24
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tracing-forest v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.75s
[INFO] running `Command { std: "docker" "inspect" "b38ee1f194dce92dd8316530ab2e000f1c542887d9f815810ba4dcab4769f990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38ee1f194dce92dd8316530ab2e000f1c542887d9f815810ba4dcab4769f990", kill_on_drop: false }`
[INFO] [stdout] b38ee1f194dce92dd8316530ab2e000f1c542887d9f815810ba4dcab4769f990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105d9c2b398efa7f9e03400f7e46561d8dc784f89917807ead32320b95469aeb
[INFO] running `Command { std: "docker" "start" "-a" "105d9c2b398efa7f9e03400f7e46561d8dc784f89917807ead32320b95469aeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing-forest v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "105d9c2b398efa7f9e03400f7e46561d8dc784f89917807ead32320b95469aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105d9c2b398efa7f9e03400f7e46561d8dc784f89917807ead32320b95469aeb", kill_on_drop: false }`
[INFO] [stdout] 105d9c2b398efa7f9e03400f7e46561d8dc784f89917807ead32320b95469aeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19c4821d28e9b328d547e68c068eda8fed29b204545249affa799372b1f76bef
[INFO] running `Command { std: "docker" "start" "-a" "19c4821d28e9b328d547e68c068eda8fed29b204545249affa799372b1f76bef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_forest-47ab03161d8bb78d)
[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] [stderr]      Running tests/captured.rs (/opt/rustwide/target/debug/deps/captured-6259f44746525d95)
[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] [stderr]      Running tests/demo.rs (/opt/rustwide/target/debug/deps/demo-1f22d855988dbbfd)
[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] [stderr]      Running tests/id.rs (/opt/rustwide/target/debug/deps/id-6973587e027c61a1)
[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] [stderr]      Running tests/set_global.rs (/opt/rustwide/target/debug/deps/set_global-80e76df85ab601ba)
[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] [stderr]      Running tests/simulate_connections.rs (/opt/rustwide/target/debug/deps/simulate_connections-1db1619c002df40b)
[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] [stderr]      Running tests/simulate_connections_blocking.rs (/opt/rustwide/target/debug/deps/simulate_connections_blocking-07aba04dc201051b)
[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] [stderr]      Running tests/spawned_tasks.rs (/opt/rustwide/target/debug/deps/spawned_tasks-e2123483f446946c)
[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] [stderr]      Running tests/tag.rs (/opt/rustwide/target/debug/deps/tag-eb05f19fc9a2566f)
[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] [stderr]    Doc-tests tracing-forest
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - (line 49) ... FAILED
[INFO] [stdout] test src/tag.rs - tag (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 208) ... FAILED
[INFO] [stdout] test src/tree/mod.rs - tree::Tree::span (line 172) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 198) ... FAILED
[INFO] [stdout] test src/tree/mod.rs - tree::Tree::event (line 133) ... FAILED
[INFO] [stdout] test src/printer/mod.rs - printer::Formatter (line 18) ... FAILED
[INFO] [stdout] test src/tag.rs - tag::Tag::builder (line 101) ... ok
[INFO] [stdout] test src/layer/mod.rs - layer::init (line 348) ... ok
[INFO] [stdout] test src/layer/mod.rs - layer::test_init (line 377) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 233) ... ok
[INFO] [stdout] test src/processor.rs - processor::from_fn (line 117) ... ok
[INFO] [stdout] test src/lib.rs - (line 131) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 49) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `worker_task` in crate `tracing_forest`
[INFO] [stdout]  --> src/lib.rs:54:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     tracing_forest::worker_task()
[INFO] [stdout]   |                     ^^^^^^^^^^^ not found in `tracing_forest`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EnvFilter`
[INFO] [stdout]   --> src/lib.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |             .with(EnvFilter::from_default_env())
[INFO] [stdout]    |                   ^^^^^^^^^ use of undeclared type `EnvFilter`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tag.rs - tag (line 34) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `worker_task` in crate `tracing_forest`
[INFO] [stdout]   --> src/tag.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |     tracing_forest::worker_task()
[INFO] [stdout]    |                     ^^^^^^^^^^^ not found in `tracing_forest`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 208) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `uuid`
[INFO] [stdout]  --> src/lib.rs:210:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `uuid`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `id` in crate `tracing_forest`
[INFO] [stdout]   --> src/lib.rs:215:38
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let current_id = tracing_forest::id();
[INFO] [stdout]    |                                      ^^ not found in `tracing_forest`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 2  + use std::process::id;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `id`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let current_id = tracing_forest::id();
[INFO] [stdout] 10 +     let current_id = id();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tree/mod.rs - tree::Tree::span (line 172) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `capture` in crate `tracing_forest`
[INFO] [stdout]  --> src/tree/mod.rs:178:43
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let logs: Vec<Tree> = tracing_forest::capture()
[INFO] [stdout]   |                                           ^^^^^^^ not found in `tracing_forest`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 198) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `uuid`
[INFO] [stdout]  --> src/lib.rs:200:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use uuid::Uuid;
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `uuid`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tree/mod.rs - tree::Tree::event (line 133) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `capture` in crate `tracing_forest`
[INFO] [stdout]  --> src/tree/mod.rs:139:43
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let logs: Vec<Tree> = tracing_forest::capture()
[INFO] [stdout]   |                                           ^^^^^^^ not found in `tracing_forest`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/printer/mod.rs - printer::Formatter (line 18) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `worker_task` in crate `tracing_forest`
[INFO] [stdout]  --> src/printer/mod.rs:22:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | tracing_forest::worker_task()
[INFO] [stdout]   |                 ^^^^^^^^^^^ not found in `tracing_forest`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 198)
[INFO] [stdout]     src/lib.rs - (line 208)
[INFO] [stdout]     src/lib.rs - (line 49)
[INFO] [stdout]     src/printer/mod.rs - printer::Formatter (line 18)
[INFO] [stdout]     src/tag.rs - tag (line 34)
[INFO] [stdout]     src/tree/mod.rs - tree::Tree::event (line 133)
[INFO] [stdout]     src/tree/mod.rs - tree::Tree::span (line 172)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.40s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "19c4821d28e9b328d547e68c068eda8fed29b204545249affa799372b1f76bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c4821d28e9b328d547e68c068eda8fed29b204545249affa799372b1f76bef", kill_on_drop: false }`
[INFO] [stdout] 19c4821d28e9b328d547e68c068eda8fed29b204545249affa799372b1f76bef
