[INFO] fetching crate testcat 2.1.0...
[INFO] testing testcat-2.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate testcat 2.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate testcat 2.1.0
[INFO] finished tweaking crates.io crate testcat 2.1.0
[INFO] tweaked toml for crates.io crate testcat 2.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate testcat 2.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55a709b264e7351ef3163b20be4f5db5b3d0766ffda5ad7172ab1353e8b0d9ad
[INFO] running `Command { std: "docker" "start" "-a" "55a709b264e7351ef3163b20be4f5db5b3d0766ffda5ad7172ab1353e8b0d9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55a709b264e7351ef3163b20be4f5db5b3d0766ffda5ad7172ab1353e8b0d9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a709b264e7351ef3163b20be4f5db5b3d0766ffda5ad7172ab1353e8b0d9ad", kill_on_drop: false }`
[INFO] [stdout] 55a709b264e7351ef3163b20be4f5db5b3d0766ffda5ad7172ab1353e8b0d9ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4739bdb4c104342f790efcf3e4b26788bbb8641e6ee0e1010212efb2ba6547ee
[INFO] running `Command { std: "docker" "start" "-a" "4739bdb4c104342f790efcf3e4b26788bbb8641e6ee0e1010212efb2ba6547ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling testcat v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "4739bdb4c104342f790efcf3e4b26788bbb8641e6ee0e1010212efb2ba6547ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4739bdb4c104342f790efcf3e4b26788bbb8641e6ee0e1010212efb2ba6547ee", kill_on_drop: false }`
[INFO] [stdout] 4739bdb4c104342f790efcf3e4b26788bbb8641e6ee0e1010212efb2ba6547ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f88236d7e10861b9091d8df28e08385591b6a3e44a8e20d0dee4acfdc20754e5
[INFO] running `Command { std: "docker" "start" "-a" "f88236d7e10861b9091d8df28e08385591b6a3e44a8e20d0dee4acfdc20754e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling testcat v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "f88236d7e10861b9091d8df28e08385591b6a3e44a8e20d0dee4acfdc20754e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88236d7e10861b9091d8df28e08385591b6a3e44a8e20d0dee4acfdc20754e5", kill_on_drop: false }`
[INFO] [stdout] f88236d7e10861b9091d8df28e08385591b6a3e44a8e20d0dee4acfdc20754e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61d70a94caae53891064dd09bf9769761804fce48db6c55d60f8d69e732aa26c
[INFO] running `Command { std: "docker" "start" "-a" "61d70a94caae53891064dd09bf9769761804fce48db6c55d60f8d69e732aa26c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/testcat-ba2c3ec324829783)
[INFO] [stdout] running 14 tests
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_a_starting_quote ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_start_and_ending_quotes ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_turn_spaces_into_underscores ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_starting_whitespace ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_trim_an_ending_quote ... ok
[INFO] [stdout] test test_case::test_case_impl::it_should_provide_test_description_and_function_for_it ... ok
[INFO] [stdout] test describe::describe_impl::it_should_prefix_test_modules_with_an_underscore_when_identifier_starts_with_a_number ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_return_same_identifier_if_all_valid ... ok
[INFO] [stdout] test describe::output::build::it_should_output_test_function_with_wrapper ... ok
[INFO] [stdout] test describe::describe_impl::it_should_provide_describe_blocks ... ok
[INFO] [stdout] test test_case::test_case_impl::it_should_provide_test_description_and_function_for_test ... ok
[INFO] [stdout] test test_case::test_case_impl::it_should_allow_module_names ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_drop_non_alphanumeric_characters ... ok
[INFO] [stdout] test common::grammar::description_to_identifier::it_should_return_an_empty_string_if_given_string_is_empty ... ok
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-16315699ce0f9e88)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test it_macro::assertion_examples::it_should_assert_true ... ok
[INFO] [stdout] test it_macro::test_5_is_less_than_9 ... ok
[INFO] [stdout] test it_macro::assertion_examples::it_should_assert_a_is_less_than_b ... ok
[INFO] [stderr]    Doc-tests testcat
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "61d70a94caae53891064dd09bf9769761804fce48db6c55d60f8d69e732aa26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d70a94caae53891064dd09bf9769761804fce48db6c55d60f8d69e732aa26c", kill_on_drop: false }`
[INFO] [stdout] 61d70a94caae53891064dd09bf9769761804fce48db6c55d60f8d69e732aa26c