[INFO] fetching crate gensym 0.1.1...
[INFO] testing gensym-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate gensym 0.1.1 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gensym 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.10
[INFO] [stderr]   Downloaded uuid v1.4.1
[INFO] [stderr]   Downloaded quote v1.0.32
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fdb55b6b78f20bc2bd29dfeeaceb6adcec87f6169cac2ace2926366ec2d0ac1
[INFO] running `Command { std: "docker" "start" "-a" "3fdb55b6b78f20bc2bd29dfeeaceb6adcec87f6169cac2ace2926366ec2d0ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fdb55b6b78f20bc2bd29dfeeaceb6adcec87f6169cac2ace2926366ec2d0ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fdb55b6b78f20bc2bd29dfeeaceb6adcec87f6169cac2ace2926366ec2d0ac1", kill_on_drop: false }`
[INFO] [stdout] 3fdb55b6b78f20bc2bd29dfeeaceb6adcec87f6169cac2ace2926366ec2d0ac1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eb40b35ed061cdabbca366d2f49f8def2bffd1d0941acee03900d8531aeb511
[INFO] running `Command { std: "docker" "start" "-a" "6eb40b35ed061cdabbca366d2f49f8def2bffd1d0941acee03900d8531aeb511", 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 cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling gensym v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "6eb40b35ed061cdabbca366d2f49f8def2bffd1d0941acee03900d8531aeb511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb40b35ed061cdabbca366d2f49f8def2bffd1d0941acee03900d8531aeb511", kill_on_drop: false }`
[INFO] [stdout] 6eb40b35ed061cdabbca366d2f49f8def2bffd1d0941acee03900d8531aeb511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d784b1c76c02bd4c2113da592d44110c4ed7636d724de2ca1b287eed660f91
[INFO] running `Command { std: "docker" "start" "-a" "e8d784b1c76c02bd4c2113da592d44110c4ed7636d724de2ca1b287eed660f91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling gensym v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `MyStruct: Clone` is not satisfied
[INFO] [stdout]   --> examples/basic_use.rs:9:28
[INFO] [stdout]    |
[INFO] [stdout]  9 |         fn $gensym() where $a: Clone {
[INFO] [stdout]    |                            ^^^^^^^^^ the trait `Clone` is not implemented for `MyStruct`
[INFO] [stdout] ...
[INFO] [stdout] 19 |     assert_type_impl_clone!{ MyStruct }
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: see issue #48214
[INFO] [stdout]    = note: this error originates in the macro `_assert_type_impl_clone` which comes from the expansion of the macro `assert_type_impl_clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gensym` (example "basic_use") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e8d784b1c76c02bd4c2113da592d44110c4ed7636d724de2ca1b287eed660f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d784b1c76c02bd4c2113da592d44110c4ed7636d724de2ca1b287eed660f91", kill_on_drop: false }`
[INFO] [stdout] e8d784b1c76c02bd4c2113da592d44110c4ed7636d724de2ca1b287eed660f91