[INFO] fetching crate gensym 0.1.1...
[INFO] testing gensym-0.1.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate gensym 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate gensym 0.1.1
[INFO] finished tweaking crates.io crate gensym 0.1.1
[INFO] tweaked toml for crates.io crate gensym 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gensym 0.1.1 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 gensym 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" "+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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465
[INFO] running `Command { std: "docker" "start" "2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465", 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" "2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465" "/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" "2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465", 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" "2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling gensym v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465", 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" "2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling gensym v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stdout] error[E0277]: the trait bound `MyStruct: Clone` is not satisfied
[INFO] [stdout]   --> examples/basic_use.rs:9:28
[INFO] [stdout]    |
[INFO] [stdout]  7 | / macro_rules! _assert_type_impl_clone {
[INFO] [stdout]  8 | |     ($gensym:ident, $a:ty) => {
[INFO] [stdout]  9 | |         fn $gensym() where $a: Clone {
[INFO] [stdout]    | |                            ^^^^^^^^^ the trait `Clone` is not implemented for `MyStruct`
[INFO] [stdout] 10 | |             unimplemented!()
[INFO] [stdout] 11 | |         }
[INFO] [stdout] 12 | |     };
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_- this error originates in the macro `_assert_type_impl_clone` which comes from the expansion of the macro `assert_type_impl_clone`
[INFO] [stdout] ...
[INFO] [stdout] 19 |       assert_type_impl_clone!{ MyStruct }
[INFO] [stdout]    |       ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: consider annotating `MyStruct` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 16 +     #[derive(Clone)]
[INFO] [stdout] 17 |     struct MyStruct;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gensym` (example "basic_use") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465", kill_on_drop: false }`
[INFO] [stdout] 2e8ca1456f1a941d75f593eb69b3eefb97b74eb387f18422beef2b81d0260465
