[INFO] fetching crate cex 0.5.2...
[INFO] checking cex-0.5.2 against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] extracting crate cex 0.5.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate cex 0.5.2
[INFO] finished tweaking crates.io crate cex 0.5.2
[INFO] tweaked toml for crates.io crate cex 0.5.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cex 0.5.2 on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "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" "+165655a2f1981fef27b31c547ad7631979fc5139" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1dddbe08cf6c09d9abeeacdb6910107d7f9dc87a78d7b1be68e75f9c9add6c0f
[INFO] running `Command { std: "docker" "start" "1dddbe08cf6c09d9abeeacdb6910107d7f9dc87a78d7b1be68e75f9c9add6c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dddbe08cf6c09d9abeeacdb6910107d7f9dc87a78d7b1be68e75f9c9add6c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1dddbe08cf6c09d9abeeacdb6910107d7f9dc87a78d7b1be68e75f9c9add6c0f" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dddbe08cf6c09d9abeeacdb6910107d7f9dc87a78d7b1be68e75f9c9add6c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1dddbe08cf6c09d9abeeacdb6910107d7f9dc87a78d7b1be68e75f9c9add6c0f" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling enumx_derive v0.4.2
[INFO] [stderr]    Compiling cex_derive v0.5.2
[INFO] [stderr]     Checking enumx v0.4.3
[INFO] [stderr]     Checking cex v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]   --> tests/use_cex_to_keep_local_errors_from_being_propagated_by_try_operator.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     .or_else( |e| #[ty_pat] match e { // <----- ty_pat means type pattern match
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]   --> tests/use_cex_to_keep_local_errors_from_being_propagated_by_try_operator.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     .or_else( |e| #[ty_pat(gen_throws)] match e { // generates arms to throw A,B
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]   --> tests/syntax.rs:38:53
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 throws_bca_call_ab().or_else( |err| #[ty_pat] match err {
[INFO] [stdout]    |                                                     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     define_tests!();
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]   --> tests/syntax.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 throws_bca_call_ab().or_else( |err| #[ty_pat(gen_throws)] match err {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     define_tests!();
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]   --> tests/syntax.rs:52:53
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 throws_bca_call_ab().or_else( |err| #[ty_pat(gen B)] match err {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     define_tests!();
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]   --> tests/syntax.rs:59:53
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 throws_bca_call_ab().or_else( |err| #[ty_pat(gen B,A)] match err {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     define_tests!();
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]    --> tests/syntax.rs:38:53
[INFO] [stdout]     |
[INFO] [stdout]  38 |                 throws_bca_call_ab().or_else( |err| #[ty_pat] match err {
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]    --> tests/syntax.rs:46:53
[INFO] [stdout]     |
[INFO] [stdout]  46 |                 throws_bca_call_ab().or_else( |err| #[ty_pat(gen_throws)] match err {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]    --> tests/syntax.rs:52:53
[INFO] [stdout]     |
[INFO] [stdout]  52 |                 throws_bca_call_ab().or_else( |err| #[ty_pat(gen B)] match err {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]    --> tests/syntax.rs:59:53
[INFO] [stdout]     |
[INFO] [stdout]  59 |                 throws_bca_call_ab().or_else( |err| #[ty_pat(gen B,A)] match err {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]    --> tests/syntax.rs:38:53
[INFO] [stdout]     |
[INFO] [stdout]  38 |                 throws_bca_call_ab().or_else( |err| #[ty_pat] match err {
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]    --> tests/syntax.rs:46:53
[INFO] [stdout]     |
[INFO] [stdout]  46 |                 throws_bca_call_ab().or_else( |err| #[ty_pat(gen_throws)] match err {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]    --> tests/syntax.rs:52:53
[INFO] [stdout]     |
[INFO] [stdout]  52 |                 throws_bca_call_ab().or_else( |err| #[ty_pat(gen B)] match err {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: Closure::body
[INFO] [stdout]    --> tests/syntax.rs:59:53
[INFO] [stdout]     |
[INFO] [stdout]  59 |                 throws_bca_call_ab().or_else( |err| #[ty_pat(gen B,A)] match err {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cex` (test "use_cex_to_keep_local_errors_from_being_propagated_by_try_operator") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cex` (test "syntax") due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "1dddbe08cf6c09d9abeeacdb6910107d7f9dc87a78d7b1be68e75f9c9add6c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dddbe08cf6c09d9abeeacdb6910107d7f9dc87a78d7b1be68e75f9c9add6c0f", kill_on_drop: false }`
[INFO] [stdout] 1dddbe08cf6c09d9abeeacdb6910107d7f9dc87a78d7b1be68e75f9c9add6c0f
