[INFO] fetching crate with_tempdir 0.1.0...
[INFO] checking with_tempdir-0.1.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate with_tempdir 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate with_tempdir 0.1.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate with_tempdir 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate with_tempdir 0.1.0
[INFO] tweaked toml for crates.io crate with_tempdir 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23d305b48595ce0d4a8dad1b44ec8478d46afcbacf1c02a2bfc1ede0eb894f17
[INFO] running `"docker" "start" "-a" "23d305b48595ce0d4a8dad1b44ec8478d46afcbacf1c02a2bfc1ede0eb894f17"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking with_tempdir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `syn::ItemFn`
[INFO] [stderr]   --> src/lib.rs:22:45
[INFO] [stderr]    |
[INFO] [stderr] 22 | use syn::{parse_macro_input, AttributeArgs, ItemFn, Lit, Meta, NestedMeta};
[INFO] [stderr]    |                                             ^^^^^^ no `ItemFn` in the root
[INFO] [stderr] 
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr] error[E0433]: failed to resolve: could not find `FnArg` in `syn`
[INFO] [stderr]    --> src/lib.rs:113:22
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 syn::FnArg::Captured(syn::ArgCaptured { ty, .. }) => check_type(ty),
[INFO] [stderr]     |                      ^^^^^ could not find `FnArg` in `syn`
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `ArgCaptured` in crate `syn`
[INFO] [stderr]    --> src/lib.rs:113:43
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 syn::FnArg::Captured(syn::ArgCaptured { ty, .. }) => check_type(ty),
[INFO] [stderr]     |                                           ^^^^^^^^^^^ not found in `syn`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0422, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0422`.
[INFO] [stderr] error: could not compile `with_tempdir`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "23d305b48595ce0d4a8dad1b44ec8478d46afcbacf1c02a2bfc1ede0eb894f17"`
[INFO] running `"docker" "rm" "-f" "23d305b48595ce0d4a8dad1b44ec8478d46afcbacf1c02a2bfc1ede0eb894f17"`
[INFO] [stdout] 23d305b48595ce0d4a8dad1b44ec8478d46afcbacf1c02a2bfc1ede0eb894f17