[INFO] fetching crate gensym 0.1.1...
[INFO] testing gensym-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[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 b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61b1407d5d364670ce89619e128852091e7564b3c35bf6dd8255658145c9b1dc
[INFO] running `Command { std: "docker" "start" "-a" "61b1407d5d364670ce89619e128852091e7564b3c35bf6dd8255658145c9b1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61b1407d5d364670ce89619e128852091e7564b3c35bf6dd8255658145c9b1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b1407d5d364670ce89619e128852091e7564b3c35bf6dd8255658145c9b1dc", kill_on_drop: false }`
[INFO] [stdout] 61b1407d5d364670ce89619e128852091e7564b3c35bf6dd8255658145c9b1dc
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 861a593697f5f79fdee098ec8a9363680558a67690857b8ef5fef07bc60a14a6
[INFO] running `Command { std: "docker" "start" "-a" "861a593697f5f79fdee098ec8a9363680558a67690857b8ef5fef07bc60a14a6", 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 4.00s
[INFO] running `Command { std: "docker" "inspect" "861a593697f5f79fdee098ec8a9363680558a67690857b8ef5fef07bc60a14a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861a593697f5f79fdee098ec8a9363680558a67690857b8ef5fef07bc60a14a6", kill_on_drop: false }`
[INFO] [stdout] 861a593697f5f79fdee098ec8a9363680558a67690857b8ef5fef07bc60a14a6
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2694fe2c39d920de4a52e2106045d0e01b6747d997ab27c99387ce76f1b2aea3
[INFO] running `Command { std: "docker" "start" "-a" "2694fe2c39d920de4a52e2106045d0e01b6747d997ab27c99387ce76f1b2aea3", 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 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] 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" "2694fe2c39d920de4a52e2106045d0e01b6747d997ab27c99387ce76f1b2aea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2694fe2c39d920de4a52e2106045d0e01b6747d997ab27c99387ce76f1b2aea3", kill_on_drop: false }`
[INFO] [stdout] 2694fe2c39d920de4a52e2106045d0e01b6747d997ab27c99387ce76f1b2aea3