[INFO] fetching crate awint_dag 0.18.1...
[INFO] checking awint_dag-0.18.1 against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] extracting crate awint_dag 0.18.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate awint_dag 0.18.1
[INFO] finished tweaking crates.io crate awint_dag 0.18.1
[INFO] tweaked toml for crates.io crate awint_dag 0.18.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate awint_dag 0.18.1 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 awint_dag 0.18.1 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-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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 68e6e5e0a9878605cc08e83780cf1da11cd14fbdbc70309fa460b5854409dd07
[INFO] running `Command { std: "docker" "start" "68e6e5e0a9878605cc08e83780cf1da11cd14fbdbc70309fa460b5854409dd07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e6e5e0a9878605cc08e83780cf1da11cd14fbdbc70309fa460b5854409dd07", 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" "68e6e5e0a9878605cc08e83780cf1da11cd14fbdbc70309fa460b5854409dd07" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e6e5e0a9878605cc08e83780cf1da11cd14fbdbc70309fa460b5854409dd07", 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" "68e6e5e0a9878605cc08e83780cf1da11cd14fbdbc70309fa460b5854409dd07" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling recasting v0.2.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling triple_arena v0.14.0
[INFO] [stderr]    Compiling awint_internals v0.18.1
[INFO] [stderr]     Checking awint_core v0.18.1
[INFO] [stderr]     Checking awint_ext v0.18.1
[INFO] [stderr]     Checking awint_macro_internals v0.18.1
[INFO] [stderr]    Compiling awint_macros v0.18.1
[INFO] [stderr]     Checking awint_dag v0.18.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0404]: expected trait, found trait alias `std::ops::Try`
[INFO] [stdout]    --> src/mimick/option.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 | impl<T> std::ops::Try for Option<T> {
[INFO] [stdout]     |         ^^^^^^^^^^^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found trait alias `std::ops::Try`
[INFO] [stdout]    --> src/mimick/result.rs:371:12
[INFO] [stdout]     |
[INFO] [stdout] 371 | impl<T, E> std::ops::Try for Result<T, E> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found trait alias `std::ops::Try`
[INFO] [stdout]    --> src/mimick/option.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 | impl<T> std::ops::Try for Option<T> {
[INFO] [stdout]     |         ^^^^^^^^^^^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found trait alias `std::ops::Try`
[INFO] [stdout]    --> src/mimick/result.rs:371:12
[INFO] [stdout]     |
[INFO] [stdout] 371 | impl<T, E> std::ops::Try for Result<T, E> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `mimick::option::Option<T>`
[INFO] [stdout]    --> src/mimick/option.rs:340:34
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub enum Option<T> {
[INFO] [stdout]     | ------------------ variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 340 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]     |                                  ^^^^^^ variant not found in `mimick::option::Option<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Residual` found for enum `mimick::option::Option<T>`
[INFO] [stdout]    --> src/mimick/option.rs:345:52
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub enum Option<T> {
[INFO] [stdout]     | ------------------ variant `Residual` not found here
[INFO] [stdout] ...
[INFO] [stdout] 345 |     fn branch(self) -> std::ops::ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                    ^^^^^^^^ variant not found in `mimick::option::Option<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `mimick::option::Option<T>`
[INFO] [stdout]    --> src/mimick/option.rs:345:68
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub enum Option<T> {
[INFO] [stdout]     | ------------------ variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 345 |     fn branch(self) -> std::ops::ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                                    ^^^^^^ variant not found in `mimick::option::Option<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `mimick::result::Result<T, E>`
[INFO] [stdout]    --> src/mimick/result.rs:375:34
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub enum Result<T, E> {
[INFO] [stdout]     | --------------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 375 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]     |                                  ^^^^^^ variant not found in `mimick::result::Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Residual` found for enum `mimick::result::Result<T, E>`
[INFO] [stdout]    --> src/mimick/result.rs:380:52
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub enum Result<T, E> {
[INFO] [stdout]     | --------------------- variant `Residual` not found here
[INFO] [stdout] ...
[INFO] [stdout] 380 |     fn branch(self) -> std::ops::ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                    ^^^^^^^^ variant not found in `mimick::result::Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `mimick::result::Result<T, E>`
[INFO] [stdout]    --> src/mimick/result.rs:380:68
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub enum Result<T, E> {
[INFO] [stdout]     | --------------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 380 |     fn branch(self) -> std::ops::ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                                    ^^^^^^ variant not found in `mimick::result::Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `mimick::option::Option<T>: Branch` is not satisfied
[INFO] [stdout]    --> src/mimick/option.rs:322:20
[INFO] [stdout]     |
[INFO] [stdout] 322 |     type TryType = Option<T>;
[INFO] [stdout]     |                    ^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `mimick::option::Option<T>`
[INFO] [stdout]    --> src/mimick/option.rs:61:1
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub enum Option<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `mimick::result::Result<T, E>: Branch` is not satisfied
[INFO] [stdout]    --> src/mimick/result.rs:357:20
[INFO] [stdout]     |
[INFO] [stdout] 357 |     type TryType = Result<T, E>;
[INFO] [stdout]     |                    ^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `mimick::result::Result<T, E>`
[INFO] [stdout]    --> src/mimick/result.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub enum Result<T, E> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[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 `awint_dag` (lib test) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `mimick::option::Option<T>`
[INFO] [stdout]    --> src/mimick/option.rs:340:34
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub enum Option<T> {
[INFO] [stdout]     | ------------------ variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 340 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]     |                                  ^^^^^^ variant not found in `mimick::option::Option<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Residual` found for enum `mimick::option::Option<T>`
[INFO] [stdout]    --> src/mimick/option.rs:345:52
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub enum Option<T> {
[INFO] [stdout]     | ------------------ variant `Residual` not found here
[INFO] [stdout] ...
[INFO] [stdout] 345 |     fn branch(self) -> std::ops::ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                    ^^^^^^^^ variant not found in `mimick::option::Option<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `mimick::option::Option<T>`
[INFO] [stdout]    --> src/mimick/option.rs:345:68
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub enum Option<T> {
[INFO] [stdout]     | ------------------ variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 345 |     fn branch(self) -> std::ops::ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                                    ^^^^^^ variant not found in `mimick::option::Option<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `mimick::result::Result<T, E>`
[INFO] [stdout]    --> src/mimick/result.rs:375:34
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub enum Result<T, E> {
[INFO] [stdout]     | --------------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 375 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]     |                                  ^^^^^^ variant not found in `mimick::result::Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Residual` found for enum `mimick::result::Result<T, E>`
[INFO] [stdout]    --> src/mimick/result.rs:380:52
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub enum Result<T, E> {
[INFO] [stdout]     | --------------------- variant `Residual` not found here
[INFO] [stdout] ...
[INFO] [stdout] 380 |     fn branch(self) -> std::ops::ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                    ^^^^^^^^ variant not found in `mimick::result::Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `mimick::result::Result<T, E>`
[INFO] [stdout]    --> src/mimick/result.rs:380:68
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub enum Result<T, E> {
[INFO] [stdout]     | --------------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 380 |     fn branch(self) -> std::ops::ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]     |                                                                    ^^^^^^ variant not found in `mimick::result::Result<T, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `mimick::option::Option<T>: Branch` is not satisfied
[INFO] [stdout]    --> src/mimick/option.rs:322:20
[INFO] [stdout]     |
[INFO] [stdout] 322 |     type TryType = Option<T>;
[INFO] [stdout]     |                    ^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `mimick::option::Option<T>`
[INFO] [stdout]    --> src/mimick/option.rs:61:1
[INFO] [stdout]     |
[INFO] [stdout]  61 | pub enum Option<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `mimick::result::Result<T, E>: Branch` is not satisfied
[INFO] [stdout]    --> src/mimick/result.rs:357:20
[INFO] [stdout]     |
[INFO] [stdout] 357 |     type TryType = Result<T, E>;
[INFO] [stdout]     |                    ^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Branch` is not implemented for `mimick::result::Result<T, E>`
[INFO] [stdout]    --> src/mimick/result.rs:62:1
[INFO] [stdout]     |
[INFO] [stdout]  62 | pub enum Result<T, E> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[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 `awint_dag` (lib) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "68e6e5e0a9878605cc08e83780cf1da11cd14fbdbc70309fa460b5854409dd07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e6e5e0a9878605cc08e83780cf1da11cd14fbdbc70309fa460b5854409dd07", kill_on_drop: false }`
[INFO] [stdout] 68e6e5e0a9878605cc08e83780cf1da11cd14fbdbc70309fa460b5854409dd07
