[INFO] fetching crate app-error 0.1.1...
[INFO] checking app-error-0.1.1 against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] extracting crate app-error 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate app-error 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate app-error 0.1.1
[INFO] tweaked toml for crates.io crate app-error 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate app-error 0.1.1 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 crates.io crate app-error 0.1.1 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-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 48cc5e4efc3896f173a06f3fe669d030190ef767b34588c79550a555dbd07100
[INFO] running `Command { std: "docker" "start" "48cc5e4efc3896f173a06f3fe669d030190ef767b34588c79550a555dbd07100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48cc5e4efc3896f173a06f3fe669d030190ef767b34588c79550a555dbd07100", 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" "48cc5e4efc3896f173a06f3fe669d030190ef767b34588c79550a555dbd07100" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48cc5e4efc3896f173a06f3fe669d030190ef767b34588c79550a555dbd07100", 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" "48cc5e4efc3896f173a06f3fe669d030190ef767b34588c79550a555dbd07100" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking app-error v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]   --> src/multiple.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl<C, D> Try for AllErrs<C, D> {
[INFO] [stdout]    |            ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `AllErrs<C, D>`
[INFO] [stdout]   --> src/multiple.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AllErrs<C, D = ()> {
[INFO] [stdout]    | --------------------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]    |                                  ^^^^^^ variant not found in `AllErrs<C, D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Residual` found for enum `AllErrs<C, D>`
[INFO] [stdout]    --> src/multiple.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout]  16 | pub enum AllErrs<C, D = ()> {
[INFO] [stdout]     | --------------------------- variant `Residual` not found here
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                          ^^^^^^^^ variant not found in `AllErrs<C, D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `AllErrs<C, D>`
[INFO] [stdout]    --> src/multiple.rs:103:55
[INFO] [stdout]     |
[INFO] [stdout]  16 | pub enum AllErrs<C, D = ()> {
[INFO] [stdout]     | --------------------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                          ^^^^^^ variant not found in `AllErrs<C, D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `AllErrs<C, D>: Branch` is not satisfied
[INFO] [stdout]   --> src/multiple.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |     type TryType = AllErrs<C, D>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `AllErrs<C, D>`
[INFO] [stdout]   --> src/multiple.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AllErrs<C, D = ()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]   --> src/multiple.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl<C, D> Try for AllErrs<C, D> {
[INFO] [stdout]    |            ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0404, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `app-error` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `AllErrs<C, D>`
[INFO] [stdout]   --> src/multiple.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AllErrs<C, D = ()> {
[INFO] [stdout]    | --------------------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]    |                                  ^^^^^^ variant not found in `AllErrs<C, D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Residual` found for enum `AllErrs<C, D>`
[INFO] [stdout]    --> src/multiple.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout]  16 | pub enum AllErrs<C, D = ()> {
[INFO] [stdout]     | --------------------------- variant `Residual` not found here
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                          ^^^^^^^^ variant not found in `AllErrs<C, D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `AllErrs<C, D>`
[INFO] [stdout]    --> src/multiple.rs:103:55
[INFO] [stdout]     |
[INFO] [stdout]  16 | pub enum AllErrs<C, D = ()> {
[INFO] [stdout]     | --------------------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                          ^^^^^^ variant not found in `AllErrs<C, D>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `AllErrs<C, D>: Branch` is not satisfied
[INFO] [stdout]   --> src/multiple.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |     type TryType = AllErrs<C, D>;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `AllErrs<C, D>`
[INFO] [stdout]   --> src/multiple.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum AllErrs<C, D = ()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0404, E0599.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `app-error` (lib test) due to 5 previous errors
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48cc5e4efc3896f173a06f3fe669d030190ef767b34588c79550a555dbd07100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cc5e4efc3896f173a06f3fe669d030190ef767b34588c79550a555dbd07100", kill_on_drop: false }`
[INFO] [stdout] 48cc5e4efc3896f173a06f3fe669d030190ef767b34588c79550a555dbd07100
