[INFO] fetching crate tracing-result 0.0.2...
[INFO] testing tracing-result-0.0.2 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate tracing-result 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tracing-result 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tracing-result 0.0.2
[INFO] tweaked toml for crates.io crate tracing-result 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-result 0.0.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-result 0.0.2 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c57958c1de83b6ca29c0478dbd5a44cfeb147264e2aea8d2fb91bbacf9316bdd
[INFO] running `Command { std: "docker" "start" "c57958c1de83b6ca29c0478dbd5a44cfeb147264e2aea8d2fb91bbacf9316bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c57958c1de83b6ca29c0478dbd5a44cfeb147264e2aea8d2fb91bbacf9316bdd", 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" "c57958c1de83b6ca29c0478dbd5a44cfeb147264e2aea8d2fb91bbacf9316bdd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c57958c1de83b6ca29c0478dbd5a44cfeb147264e2aea8d2fb91bbacf9316bdd", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c57958c1de83b6ca29c0478dbd5a44cfeb147264e2aea8d2fb91bbacf9316bdd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling build_safely v0.5.4
[INFO] [stderr]    Compiling try_v2_traits v0.11.0
[INFO] [stderr]    Compiling try_v2 v0.11.0
[INFO] [stderr]    Compiling tracing-result v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `try_v2::Extract`
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use try_v2::Extract;
[INFO] [stdout]    |     ^^^^^^^^-------
[INFO] [stdout]    |             |
[INFO] [stdout]    |             no `Extract` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:165:36
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:165:52
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]   --> src/lib.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     ops::{ControlFlow, FromResidual, Residual, Try},
[INFO] [stdout]    |                        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2_residual`
[INFO] [stdout]   --> src/lib.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 |     ops::{ControlFlow, FromResidual, Residual, Try},
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #91285 <https://github.com/rust-lang/rust/issues/91285> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]   --> src/lib.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |     ops::{ControlFlow, FromResidual, Residual, Try},
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     type Output = T;
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     type Residual = TracingResult<!, E>;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:144:19
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl<T, E: Error> Try for TracingResult<T, E> {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn from_residual(residual: <Self as Try>::Residual) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 | impl<T, E: Error> FromResidual for TracingResult<T, E> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn from_residual(residual: TracingResult<!, E>) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:205:19
[INFO] [stdout]     |
[INFO] [stdout] 205 | impl<T, E: Error> FromResidual<TracingResult<!, E>> for Result<T, E> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2_residual`
[INFO] [stdout]    --> src/lib.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     type TryType = TracingResult<T, E>;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #91285 <https://github.com/rust-lang/rust/issues/91285> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2_residual`
[INFO] [stdout]    --> src/lib.rs:214:19
[INFO] [stdout]     |
[INFO] [stdout] 214 | impl<T, E: Error> Residual<T> for TracingResult<!, E> {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #91285 <https://github.com/rust-lang/rust/issues/91285> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:197:32
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn from_residual(residual: <Self as Try>::Residual) -> Self {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `try_trait_v2`
[INFO] [stdout]    --> src/lib.rs:149:28
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-result` (lib) due to 19 previous errors
[INFO] running `Command { std: "docker" "inspect" "c57958c1de83b6ca29c0478dbd5a44cfeb147264e2aea8d2fb91bbacf9316bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57958c1de83b6ca29c0478dbd5a44cfeb147264e2aea8d2fb91bbacf9316bdd", kill_on_drop: false }`
[INFO] [stdout] c57958c1de83b6ca29c0478dbd5a44cfeb147264e2aea8d2fb91bbacf9316bdd
