[INFO] fetching crate proc-macro2 1.0.28...
[INFO] testing proc-macro2-1.0.28 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate proc-macro2 1.0.28 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate proc-macro2 1.0.28 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-macro2 1.0.28
[INFO] finished tweaking crates.io crate proc-macro2 1.0.28
[INFO] tweaked toml for crates.io crate proc-macro2 1.0.28 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 278e554a73aca368bf5ff4f6596bbaebd8bb50dcebd6bb7d0a7abd848f9d49e5
[INFO] running `Command { std: "docker" "start" "-a" "278e554a73aca368bf5ff4f6596bbaebd8bb50dcebd6bb7d0a7abd848f9d49e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "278e554a73aca368bf5ff4f6596bbaebd8bb50dcebd6bb7d0a7abd848f9d49e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278e554a73aca368bf5ff4f6596bbaebd8bb50dcebd6bb7d0a7abd848f9d49e5", kill_on_drop: false }`
[INFO] [stdout] 278e554a73aca368bf5ff4f6596bbaebd8bb50dcebd6bb7d0a7abd848f9d49e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7248d4318c13292e4657d4a0ca751d279ad203bd6a5392017b4f1df1f124b581
[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" "7248d4318c13292e4657d4a0ca751d279ad203bd6a5392017b4f1df1f124b581", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "7248d4318c13292e4657d4a0ca751d279ad203bd6a5392017b4f1df1f124b581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7248d4318c13292e4657d4a0ca751d279ad203bd6a5392017b4f1df1f124b581", kill_on_drop: false }`
[INFO] [stdout] 7248d4318c13292e4657d4a0ca751d279ad203bd6a5392017b4f1df1f124b581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f92b51dddf58f294dd8a2740bad7d17ff974ed6bb9fcd47c8427e3bde377d350
[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" "f92b51dddf58f294dd8a2740bad7d17ff974ed6bb9fcd47c8427e3bde377d350", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.28 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "f92b51dddf58f294dd8a2740bad7d17ff974ed6bb9fcd47c8427e3bde377d350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92b51dddf58f294dd8a2740bad7d17ff974ed6bb9fcd47c8427e3bde377d350", kill_on_drop: false }`
[INFO] [stdout] f92b51dddf58f294dd8a2740bad7d17ff974ed6bb9fcd47c8427e3bde377d350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a5c0e5083b43ad129491f25b4898c30b35ac8b59bd385c8e6ebd5621840cb86
[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" "1a5c0e5083b43ad129491f25b4898c30b35ac8b59bd385c8e6ebd5621840cb86", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/proc_macro2-020903be2e6f2f5c)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/comments.rs (/opt/rustwide/target/debug/deps/comments-b5a3b61845cf1cc4)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test closed_immediately ... ok
[INFO] [stdout] test incomplete ... ok
[INFO] [stdout] test lit ... ok
[INFO] [stderr]      Running tests/features.rs (/opt/rustwide/target/debug/deps/features-df597fad4ce276f4)
[INFO] [stdout] test carriage_return ... ok
[INFO] [stderr]      Running tests/marker.rs (/opt/rustwide/target/debug/deps/marker-d5de82b95a905043)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test make_sure_no_proc_macro ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test Delimiter ... ok
[INFO] [stdout] test Group ... ok
[INFO] [stdout] test LexError ... ok
[INFO] [stdout] test Literal ... ok
[INFO] [stdout] test Punct ... ok
[INFO] [stdout] test Spacing ... ok
[INFO] [stdout] test Span ... ok
[INFO] [stdout] test TokenStream ... ok
[INFO] [stdout] test TokenTree ... ok
[INFO] [stdout] test unwind_safe::Delimiter ... ok
[INFO] [stdout] test unwind_safe::Group ... ok
[INFO] [stdout] test unwind_safe::Punct ... ok
[INFO] [stdout] test unwind_safe::TokenStream ... ok
[INFO] [stdout] test unwind_safe::TokenTree ... ok
[INFO] [stdout] test unwind_safe::Ident ... ok
[INFO] [stdout] test Ident ... ok
[INFO] [stdout] test unwind_safe::LexError ... ok
[INFO] [stdout] test unwind_safe::Literal ... ok
[INFO] [stdout] test unwind_safe::Spacing ... ok
[INFO] [stdout] test unwind_safe::Span ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-5d339a22159ab1b0)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test default_tokenstream_is_empty ... ok
[INFO] [stdout] test fail ... ok
[INFO] [stdout] test literal_parse ... ok
[INFO] [stdout] test literal_string ... ok
[INFO] [stdout] test literal_character ... ok
[INFO] [stdout] test literal_raw_string ... ok
[INFO] [stdout] test joint_last_token ... ok
[INFO] [stdout] test idents ... ok
[INFO] [stdout] test literal_suffix ... ok
[INFO] [stdout] test no_panic ... ok
[INFO] [stdout] test test_debug_ident ... ok
[INFO] [stdout] test punct_before_comment ... ok
[INFO] [stdout] test raw_identifier ... ok
[INFO] [stdout] test literal_float ... ok
[INFO] [stdout] test literal_iter_negative ... ok
[INFO] [stdout] test roundtrip ... ok
[INFO] [stdout] test tuple_indexing ... ok
[INFO] [stdout] test test_debug_tokenstream ... ok
[INFO] [stdout] test ident_invalid - should panic ... ok
[INFO] [stdout] test lifetime_number - should panic ... ok
[INFO] [stdout] test lifetime_invalid ... ok
[INFO] [stdout] test raw_ident_empty - should panic ... ok
[INFO] [stdout] test raw_ident_invalid - should panic ... ok
[INFO] [stdout] test raw_ident_number - should panic ... ok
[INFO] [stdout] test ident_empty - should panic ... ok
[INFO] [stdout] test ident_number - should panic ... ok
[INFO] [stdout] test lifetime_empty - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_fmt.rs (/opt/rustwide/target/debug/deps/test_fmt-4badf989cedb4471)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_fmt_group ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests proc-macro2
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Ident (line 845) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - Ident (line 833) ... ok
[INFO] [stdout] test src/lib.rs - Ident (line 864) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Ident (line 845) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Ident: ToTokens` is not satisfied
[INFO] [stdout]   --> src/lib.rs:853:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let expanded = quote! { let #ident = 10; };
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `ToTokens` is not implemented for `proc_macro2::Ident`
[INFO] [stdout]    |
[INFO] [stdout] note: required by `to_tokens`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quote-1.0.9/src/to_tokens.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn to_tokens(&self, tokens: &mut TokenStream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this error originates in the macro `$crate::quote_token_with_context` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Ident: ToTokens` is not satisfied
[INFO] [stdout]   --> src/lib.rs:857:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let expanded = quote! { let #temp_ident = 10; };
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `ToTokens` is not implemented for `proc_macro2::Ident`
[INFO] [stdout]    |
[INFO] [stdout] note: required by `to_tokens`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quote-1.0.9/src/to_tokens.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn to_tokens(&self, tokens: &mut TokenStream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this error originates in the macro `$crate::quote_token_with_context` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Ident (line 845)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "1a5c0e5083b43ad129491f25b4898c30b35ac8b59bd385c8e6ebd5621840cb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5c0e5083b43ad129491f25b4898c30b35ac8b59bd385c8e6ebd5621840cb86", kill_on_drop: false }`
[INFO] [stdout] 1a5c0e5083b43ad129491f25b4898c30b35ac8b59bd385c8e6ebd5621840cb86