[INFO] cloning repository https://github.com/jakobhellermann/istaan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakobhellermann/istaan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobhellermann%2Fistaan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobhellermann%2Fistaan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfcca107d1ca491b49a1412a16c74aa3c17fd8b1
[INFO] checking jakobhellermann/istaan against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobhellermann%2Fistaan" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jakobhellermann/istaan
[INFO] finished tweaking git repo https://github.com/jakobhellermann/istaan
[INFO] tweaked toml for git repo https://github.com/jakobhellermann/istaan written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jakobhellermann/istaan on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jakobhellermann/istaan 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" "+65b20a97de33e9e59992793a144aef2950c48c76" "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] 533710e0e910309346c942f076346bd92ce5bd9e79be906ffa8f62508f154d0c
[INFO] running `Command { std: "docker" "start" "533710e0e910309346c942f076346bd92ce5bd9e79be906ffa8f62508f154d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "533710e0e910309346c942f076346bd92ce5bd9e79be906ffa8f62508f154d0c", 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" "533710e0e910309346c942f076346bd92ce5bd9e79be906ffa8f62508f154d0c" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "533710e0e910309346c942f076346bd92ce5bd9e79be906ffa8f62508f154d0c", 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" "533710e0e910309346c942f076346bd92ce5bd9e79be906ffa8f62508f154d0c" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking typenum v1.20.0
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking diffy v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking crc-catalog v2.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking crc v3.4.0
[INFO] [stderr]     Checking lzma-rs v0.3.0
[INFO] [stderr]     Checking elsa v1.11.2
[INFO] [stderr]     Checking diffs v0.5.1
[INFO] [stderr]     Checking rustc-hash v2.1.2
[INFO] [stderr]     Checking lz4_flex v0.11.6
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking jiff v0.2.25
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking md4 v0.10.2
[INFO] [stderr]     Checking istaan-diff-core v0.1.0 (/opt/rustwide/workdir/crates/istaan-diff-core)
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:112:14
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl<T: Try> Try for OldNew<T> {
[INFO] [stdout]     |              ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:112:14
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl<T: Try> Try for OldNew<T> {
[INFO] [stdout]     |              ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]     |
[INFO] [stdout] 116 -     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout] 116 +     fn from_output(output: <old_new::OldNew<T> as BitOr>::Output) -> Self {
[INFO] [stdout]     |
[INFO] [stdout] 116 -     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout] 116 +     fn from_output(output: <old_new::OldNew<T> as IntoFuture>::Output) -> Self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:123:36
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if there were a trait named `Example` with associated type `Residual` implemented for `old_new::OldNew<T>`, you could use the fully-qualified path
[INFO] [stdout]     |
[INFO] [stdout] 123 -     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout] 123 +     fn branch(self) -> ControlFlow<<old_new::OldNew<T> as Example>::Residual, Self::Output> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:123:52
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]     |
[INFO] [stdout] 123 -     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout] 123 +     fn branch(self) -> ControlFlow<Self::Residual, <old_new::OldNew<T> as BitOr>::Output> {
[INFO] [stdout]     |
[INFO] [stdout] 123 -     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout] 123 +     fn branch(self) -> ControlFlow<Self::Residual, <old_new::OldNew<T> as IntoFuture>::Output> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]     |
[INFO] [stdout] 116 -     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout] 116 +     fn from_output(output: <OldNew<T> as BitOr>::Output) -> Self {
[INFO] [stdout]     |
[INFO] [stdout] 116 -     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout] 116 +     fn from_output(output: <OldNew<T> as IntoFuture>::Output) -> Self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:123:36
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if there were a trait named `Example` with associated type `Residual` implemented for `OldNew<T>`, you could use the fully-qualified path
[INFO] [stdout]     |
[INFO] [stdout] 123 -     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout] 123 +     fn branch(self) -> ControlFlow<<OldNew<T> as Example>::Residual, Self::Output> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:123:52
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use fully-qualified syntax
[INFO] [stdout]     |
[INFO] [stdout] 123 -     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout] 123 +     fn branch(self) -> ControlFlow<Self::Residual, <OldNew<T> as BitOr>::Output> {
[INFO] [stdout]     |
[INFO] [stdout] 123 -     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout] 123 +     fn branch(self) -> ControlFlow<Self::Residual, <OldNew<T> as IntoFuture>::Output> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `OldNew<T>: Branch` is not satisfied
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:149:20
[INFO] [stdout]     |
[INFO] [stdout] 149 |     type TryType = OldNew<T>;
[INFO] [stdout]     |                    ^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `OldNew<T>`
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout]   6 | pub struct OldNew<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `old_new::OldNew<T>: Branch` is not satisfied
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:149:20
[INFO] [stdout]     |
[INFO] [stdout] 149 |     type TryType = OldNew<T>;
[INFO] [stdout]     |                    ^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `old_new::OldNew<T>`
[INFO] [stdout]    --> crates/istaan-diff-core/src/old_new.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout]   6 | pub struct OldNew<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0277, E0404.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0277, E0404.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `istaan-diff-core` (lib test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `istaan-diff-core` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "533710e0e910309346c942f076346bd92ce5bd9e79be906ffa8f62508f154d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533710e0e910309346c942f076346bd92ce5bd9e79be906ffa8f62508f154d0c", kill_on_drop: false }`
[INFO] [stdout] 533710e0e910309346c942f076346bd92ce5bd9e79be906ffa8f62508f154d0c
