[INFO] fetching crate tealr_derive 0.3.0...
[INFO] checking tealr_derive-0.3.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate tealr_derive 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tealr_derive 0.3.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tealr_derive 0.3.0
[INFO] finished tweaking crates.io crate tealr_derive 0.3.0
[INFO] tweaked toml for crates.io crate tealr_derive 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad5734de7dbe8cebf698e14057043757e1cbf146f94e59cd331458057ef8c565
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad5734de7dbe8cebf698e14057043757e1cbf146f94e59cd331458057ef8c565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad5734de7dbe8cebf698e14057043757e1cbf146f94e59cd331458057ef8c565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5734de7dbe8cebf698e14057043757e1cbf146f94e59cd331458057ef8c565", kill_on_drop: false }`
[INFO] [stdout] ad5734de7dbe8cebf698e14057043757e1cbf146f94e59cd331458057ef8c565
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1da3f0746019ab4dc62d10287da7f2a4d6c11744a5326eba10d58823254c167a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1da3f0746019ab4dc62d10287da7f2a4d6c11744a5326eba10d58823254c167a", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking tealr_derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> src/lib.rs:41:58
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn impl_user_data_derive(ast: &syn::DeriveInput) -> syn::export::TokenStream2 {
[INFO] [stdout]    |                                                          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> src/lib.rs:64:68
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn impl_type_representation_derive(ast: &syn::DeriveInput) -> syn::export::TokenStream2 {
[INFO] [stdout]    |                                                                    ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `ffi::OsStr`, `io::Write`, `process::Command`, `read_to_string`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ffi::OsStr,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 19 |     fs::{read_to_string, File},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^  ^^^^
[INFO] [stdout] 20 |     io::Write,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     path::PathBuf,
[INFO] [stdout] 22 |     process::Command,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use proc_macro::TokenStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | use syn::{parse::Parse, parse_macro_input, LitStr, Token};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> src/lib.rs:41:58
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn impl_user_data_derive(ast: &syn::DeriveInput) -> syn::export::TokenStream2 {
[INFO] [stdout]    |                                                          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]   --> src/lib.rs:64:68
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn impl_type_representation_derive(ast: &syn::DeriveInput) -> syn::export::TokenStream2 {
[INFO] [stdout]    |                                                                    ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tealr_derive`
[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] [stdout] warning: unused imports: `File`, `ffi::OsStr`, `io::Write`, `process::Command`, `read_to_string`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ffi::OsStr,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 19 |     fs::{read_to_string, File},
[INFO] [stdout]    |          ^^^^^^^^^^^^^^  ^^^^
[INFO] [stdout] 20 |     io::Write,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     path::PathBuf,
[INFO] [stdout] 22 |     process::Command,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use proc_macro::TokenStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | use syn::{parse::Parse, parse_macro_input, LitStr, Token};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1da3f0746019ab4dc62d10287da7f2a4d6c11744a5326eba10d58823254c167a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da3f0746019ab4dc62d10287da7f2a4d6c11744a5326eba10d58823254c167a", kill_on_drop: false }`
[INFO] [stdout] 1da3f0746019ab4dc62d10287da7f2a4d6c11744a5326eba10d58823254c167a