[INFO] crate proc-macro2 1.0.18 is already in cache
[INFO] testing proc-macro2-1.0.18 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate proc-macro2 1.0.18 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate proc-macro2 1.0.18 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-macro2 1.0.18
[INFO] finished tweaking crates.io crate proc-macro2 1.0.18
[INFO] tweaked toml for crates.io crate proc-macro2 1.0.18 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5256d93d6a485730189e017dd07d179d1db44195125881b0db5ebe8c8412877
[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" "a5256d93d6a485730189e017dd07d179d1db44195125881b0db5ebe8c8412877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5256d93d6a485730189e017dd07d179d1db44195125881b0db5ebe8c8412877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5256d93d6a485730189e017dd07d179d1db44195125881b0db5ebe8c8412877", kill_on_drop: false }`
[INFO] [stdout] a5256d93d6a485730189e017dd07d179d1db44195125881b0db5ebe8c8412877
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23d7aeb4055cbc06373fa1401b02fac2c844198ce33fcb3fc6a02571747c9da4
[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" "23d7aeb4055cbc06373fa1401b02fac2c844198ce33fcb3fc6a02571747c9da4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "23d7aeb4055cbc06373fa1401b02fac2c844198ce33fcb3fc6a02571747c9da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d7aeb4055cbc06373fa1401b02fac2c844198ce33fcb3fc6a02571747c9da4", kill_on_drop: false }`
[INFO] [stdout] 23d7aeb4055cbc06373fa1401b02fac2c844198ce33fcb3fc6a02571747c9da4
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d936e63f64ec7311c7abb4c18ad2134c5cfe82212275287165246e20e467352
[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" "6d936e63f64ec7311c7abb4c18ad2134c5cfe82212275287165246e20e467352", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "6d936e63f64ec7311c7abb4c18ad2134c5cfe82212275287165246e20e467352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d936e63f64ec7311c7abb4c18ad2134c5cfe82212275287165246e20e467352", kill_on_drop: false }`
[INFO] [stdout] 6d936e63f64ec7311c7abb4c18ad2134c5cfe82212275287165246e20e467352
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cc538c02658de65a249de1ce0851ef86b824b490cf7825331334e5a44cdcdfd
[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" "2cc538c02658de65a249de1ce0851ef86b824b490cf7825331334e5a44cdcdfd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/proc_macro2-4860d02e9b8eca86
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/comments-4f9452b08d01c99e
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/features-af378fcfc855e5a6
[INFO] [stdout] test closed_immediately ... ok
[INFO] [stdout] test incomplete ... ok
[INFO] [stdout] test lit ... ok
[INFO] [stdout] test carriage_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/marker-f2c63e4cfc26de0a
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test Delimiter ... ok
[INFO] [stdout] test Spacing ... ok
[INFO] [stdout] test LexError ... ok
[INFO] [stdout] test Literal ... ok
[INFO] [stdout] test TokenTree ... ok
[INFO] [stdout] test Punct ... ok
[INFO] [stdout] test TokenStream ... ok
[INFO] [stdout] test Span ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-34c9107b31bd798c
[INFO] [stdout] test Ident ... ok
[INFO] [stdout] test Group ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test fail ... ok
[INFO] [stdout] test literal_character ... ok
[INFO] [stdout] test literal_float ... ok
[INFO] [stdout] test default_tokenstream_is_empty ... ok
[INFO] [stdout] test literal_iter_negative ... ok
[INFO] [stdout] test idents ... ok
[INFO] [stdout] test literal_suffix ... ok
[INFO] [stdout] test op_before_comment ... ok
[INFO] [stdout] test literal_string ... ok
[INFO] [stdout] test roundtrip ... ok
[INFO] [stdout] test test_debug_ident ... ok
[INFO] [stdout] test tuple_indexing ... ok
[INFO] [stdout] test test_debug_tokenstream ... ok
[INFO] [stdout] test raw_identifier ... ok
[INFO] [stdout] test no_panic ... ok
[INFO] [stdout] test lifetime_invalid ... ok
[INFO] [stdout] test ident_number ... ok
[INFO] [stdout] test lifetime_number ... ok
[INFO] [stdout] test ident_invalid ... ok
[INFO] [stdout] test ident_empty ... ok
[INFO] [stdout] test raw_ident_empty ... ok
[INFO] [stderr]    Doc-tests proc-macro2
[INFO] [stdout] test lifetime_empty ... ok
[INFO] [stdout] test raw_ident_invalid ... ok
[INFO] [stdout] test raw_ident_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Ident (line 813) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - Ident (line 801) ... ok
[INFO] [stdout] test src/lib.rs - Ident (line 832) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Ident (line 813) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Ident: quote::ToTokens` is not satisfied
[INFO] [stdout]   --> src/lib.rs:821:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let expanded = quote! { let #ident = 10; };
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `quote::ToTokens` is not implemented for `proc_macro2::Ident`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `quote::ToTokens::to_tokens`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Ident: quote::ToTokens` is not satisfied
[INFO] [stdout]   --> src/lib.rs:825:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let expanded = quote! { let #temp_ident = 10; };
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `quote::ToTokens` is not implemented for `proc_macro2::Ident`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `quote::ToTokens::to_tokens`
[INFO] [stdout]    = note: this error originates in a macro (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 813)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "2cc538c02658de65a249de1ce0851ef86b824b490cf7825331334e5a44cdcdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc538c02658de65a249de1ce0851ef86b824b490cf7825331334e5a44cdcdfd", kill_on_drop: false }`
[INFO] [stdout] 2cc538c02658de65a249de1ce0851ef86b824b490cf7825331334e5a44cdcdfd