[INFO] fetching crate tracing-rc 0.2.0...
[INFO] checking tracing-rc-0.2.0 against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] extracting crate tracing-rc 0.2.0 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-rc 0.2.0 on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dcc092aa97b75e39a6832c20596d8ff5947e6d3b49cea50a6da42811ebf3e332
[INFO] running `Command { std: "docker" "start" "dcc092aa97b75e39a6832c20596d8ff5947e6d3b49cea50a6da42811ebf3e332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcc092aa97b75e39a6832c20596d8ff5947e6d3b49cea50a6da42811ebf3e332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dcc092aa97b75e39a6832c20596d8ff5947e6d3b49cea50a6da42811ebf3e332" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcc092aa97b75e39a6832c20596d8ff5947e6d3b49cea50a6da42811ebf3e332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dcc092aa97b75e39a6832c20596d8ff5947e6d3b49cea50a6da42811ebf3e332" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling tracing-rc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking petgraph v0.8.2
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling tracing-rc-derive v0.2.0
[INFO] [stdout] error: crater fail !! problematic pattern detected !!
[INFO] [stdout]    --> src/rc/mod.rs:398:55
[INFO] [stdout]     |
[INFO] [stdout] 398 |         assert!(matches!(inner.data.try_borrow(), Err(BorrowError { .. })));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type is defined in crate `core`
[INFO] [stdout]     = note: `#[deny(rest_pattern_match_on_struct_with_all_private_fields)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-rc` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dcc092aa97b75e39a6832c20596d8ff5947e6d3b49cea50a6da42811ebf3e332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc092aa97b75e39a6832c20596d8ff5947e6d3b49cea50a6da42811ebf3e332", kill_on_drop: false }`
[INFO] [stdout] dcc092aa97b75e39a6832c20596d8ff5947e6d3b49cea50a6da42811ebf3e332
