[INFO] fetching crate tracing-rc 0.2.0...
[INFO] testing tracing-rc-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate tracing-rc 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tracing-rc 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-rc 0.2.0
[INFO] tweaked toml for crates.io crate tracing-rc 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-rc 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-rc 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-rc-derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcb7f897f7de9ea56334ceb6c2738db2c0b348ec8238fe9cfcbe1bc4905c9c85
[INFO] running `Command { std: "docker" "start" "-a" "dcb7f897f7de9ea56334ceb6c2738db2c0b348ec8238fe9cfcbe1bc4905c9c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb7f897f7de9ea56334ceb6c2738db2c0b348ec8238fe9cfcbe1bc4905c9c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb7f897f7de9ea56334ceb6c2738db2c0b348ec8238fe9cfcbe1bc4905c9c85", kill_on_drop: false }`
[INFO] [stdout] dcb7f897f7de9ea56334ceb6c2738db2c0b348ec8238fe9cfcbe1bc4905c9c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de0f92d38ff43f5b95ec7b5fd69a847331d17c383857875249a173a9ded5772
[INFO] running `Command { std: "docker" "start" "-a" "7de0f92d38ff43f5b95ec7b5fd69a847331d17c383857875249a173a9ded5772", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling tracing-rc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling petgraph v0.8.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling tracing-rc-derive v0.2.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "7de0f92d38ff43f5b95ec7b5fd69a847331d17c383857875249a173a9ded5772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de0f92d38ff43f5b95ec7b5fd69a847331d17c383857875249a173a9ded5772", kill_on_drop: false }`
[INFO] [stdout] 7de0f92d38ff43f5b95ec7b5fd69a847331d17c383857875249a173a9ded5772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c977436868f5028e6a7873c15e95f3d068c439a23e1f36aef8b72b7b23763fde
[INFO] running `Command { std: "docker" "start" "-a" "c977436868f5028e6a7873c15e95f3d068c439a23e1f36aef8b72b7b23763fde", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-rc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "c977436868f5028e6a7873c15e95f3d068c439a23e1f36aef8b72b7b23763fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c977436868f5028e6a7873c15e95f3d068c439a23e1f36aef8b72b7b23763fde", kill_on_drop: false }`
[INFO] [stdout] c977436868f5028e6a7873c15e95f3d068c439a23e1f36aef8b72b7b23763fde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f13b8e216f179db26f04d5a79e6911a44f05e7349d428a885242cf090950894
[INFO] running `Command { std: "docker" "start" "-a" "5f13b8e216f179db26f04d5a79e6911a44f05e7349d428a885242cf090950894", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_rc-9e79a370daef7a8b)
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-5845da7a70546050)
[INFO] [stdout] test rc::tests::data_inaccessible_post_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test bad_tracing::rc::drop_cyclic_value_during_trace ... ok
[INFO] [stdout] test bad_tracing::rc::drop_acyclic_value_during_trace ... ok
[INFO] [stdout] test bad_tracing::rc::report_extra_values_during_trace ... ok
[INFO] [stdout] test bad_tracing::rc::report_grandchild_values_during_trace ... ok
[INFO] [stdout] test bad_tracing::rc::add_value_during_trace ... ok
[INFO] [stdout] test bad_tracing::rc::overreport_children_open_child_borrow ... ok
[INFO] [stdout] test rc::acyclic::acyclic_tree_young_gen_collects ... ok
[INFO] [stdout] test rc::cycles::dead_cycle_dead_outbound ... ok
[INFO] [stdout] test rc::cycles::live_grandchildren ... ok
[INFO] [stdout] test rc::cycles::dead_cycle_live_outbound ... ok
[INFO] [stdout] test rc::cycles::mono_simple_cycle ... ok
[INFO] [stdout] test rc::acyclic::acyclic_chain_no_garbage ... ok
[INFO] [stdout] test rc::cycles::cycle_live_inbound ... ok
[INFO] [stdout] test rc::cycles::mono_cycle_live_inbound ... ok
[INFO] [stdout] test rc::cycles::parallel_edges ... ok
[INFO] [stdout] test rc::fuzzer_found::fuzzfound_leak_01 ... ok
[INFO] [stdout] test rc::fuzzer_found::fuzzfound_leak_02 ... ok
[INFO] [stdout] test rc::cycles::simple_cycle ... ok
[INFO] [stdout] test bad_tracing::rc::retain_value_during_trace ... ok
[INFO] [stdout] test rc::acyclic::acyclic_single_no_garbage ... ok
[INFO] [stdout] test rc::necromancy::pure_gc_necromancy ... ok
[INFO] [stdout] test rc::cycles::mono_cycle_live_outbound ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_rc
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/rc/trace.rs - rc::trace::Trace::visit_children (line 102) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/rc/trace.rs - rc::trace::Trace::visit_children (line 76) ... ok
[INFO] [stdout] test src/rc/trace.rs - rc::trace::Trace::visit_children (line 124) ... ok
[INFO] [stdout] test src/rc/trace.rs - rc::trace::Trace::visit_children (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f13b8e216f179db26f04d5a79e6911a44f05e7349d428a885242cf090950894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f13b8e216f179db26f04d5a79e6911a44f05e7349d428a885242cf090950894", kill_on_drop: false }`
[INFO] [stdout] 5f13b8e216f179db26f04d5a79e6911a44f05e7349d428a885242cf090950894