[INFO] fetching crate closure_attr 0.4.0...
[INFO] checking closure_attr-0.4.0 against try#f93f9bd1edfdb032bbf1c02773329541b22aa5a7 for pr-150727-1
[INFO] extracting crate closure_attr 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate closure_attr 0.4.0
[INFO] finished tweaking crates.io crate closure_attr 0.4.0
[INFO] tweaked toml for crates.io crate closure_attr 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate closure_attr 0.4.0 on toolchain f93f9bd1edfdb032bbf1c02773329541b22aa5a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 847f4de4fcfa3c3fffaee168125c16b08d21f6704a407ac423e71b768594892c
[INFO] running `Command { std: "docker" "start" "-a" "847f4de4fcfa3c3fffaee168125c16b08d21f6704a407ac423e71b768594892c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "847f4de4fcfa3c3fffaee168125c16b08d21f6704a407ac423e71b768594892c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847f4de4fcfa3c3fffaee168125c16b08d21f6704a407ac423e71b768594892c", kill_on_drop: false }`
[INFO] [stdout] 847f4de4fcfa3c3fffaee168125c16b08d21f6704a407ac423e71b768594892c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf4bfe48acdcc95f1bfda3273382404664ba0fda3eb7686a060b77870fb4a80
[INFO] running `Command { std: "docker" "start" "-a" "dbf4bfe48acdcc95f1bfda3273382404664ba0fda3eb7686a060b77870fb4a80", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling closure_attr_core v0.4.0
[INFO] [stderr]    Compiling closure_attr_derive v0.4.0
[INFO] [stderr]     Checking closure_attr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[should_panic]` should only be applied to functions annotated with `#[test]` or `#[bench]`
[INFO] [stdout]    --> tests/tests.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[should_panic(expected = "Closure failed to upgrade weak pointer")]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `closure_attr` (test "tests") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dbf4bfe48acdcc95f1bfda3273382404664ba0fda3eb7686a060b77870fb4a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf4bfe48acdcc95f1bfda3273382404664ba0fda3eb7686a060b77870fb4a80", kill_on_drop: false }`
[INFO] [stdout] dbf4bfe48acdcc95f1bfda3273382404664ba0fda3eb7686a060b77870fb4a80