[INFO] fetching crate gensym 0.1.1...
[INFO] checking gensym-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate gensym 0.1.1 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gensym 0.1.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c49a284e7d179717560a61c36b722aeb4bf53036062cf6d9c1a2ff7e5b9c4c1
[INFO] running `Command { std: "docker" "start" "-a" "9c49a284e7d179717560a61c36b722aeb4bf53036062cf6d9c1a2ff7e5b9c4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c49a284e7d179717560a61c36b722aeb4bf53036062cf6d9c1a2ff7e5b9c4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c49a284e7d179717560a61c36b722aeb4bf53036062cf6d9c1a2ff7e5b9c4c1", kill_on_drop: false }`
[INFO] [stdout] 9c49a284e7d179717560a61c36b722aeb4bf53036062cf6d9c1a2ff7e5b9c4c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85ead0ee4069688b447329c3619ffda35bad1878a139277f2355b79c6cd06d27
[INFO] running `Command { std: "docker" "start" "-a" "85ead0ee4069688b447329c3619ffda35bad1878a139277f2355b79c6cd06d27", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking unicode-ident v1.0.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking 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] help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
[INFO] [stdout]    |
[INFO] [stdout]  1 + #![feature(trivial_bounds)]
[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" "85ead0ee4069688b447329c3619ffda35bad1878a139277f2355b79c6cd06d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ead0ee4069688b447329c3619ffda35bad1878a139277f2355b79c6cd06d27", kill_on_drop: false }`
[INFO] [stdout] 85ead0ee4069688b447329c3619ffda35bad1878a139277f2355b79c6cd06d27