[INFO] fetching crate d4t4 0.2.2...
[INFO] testing d4t4-0.2.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate d4t4 0.2.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate d4t4 0.2.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate d4t4 0.2.2
[INFO] finished tweaking crates.io crate d4t4 0.2.2
[INFO] tweaked toml for crates.io crate d4t4 0.2.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e44b13cd840841752026eb2a2fa3f79fcddfa3c83c1a63accc2f0895013437b
[INFO] running `Command { std: "docker" "start" "-a" "3e44b13cd840841752026eb2a2fa3f79fcddfa3c83c1a63accc2f0895013437b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e44b13cd840841752026eb2a2fa3f79fcddfa3c83c1a63accc2f0895013437b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e44b13cd840841752026eb2a2fa3f79fcddfa3c83c1a63accc2f0895013437b", kill_on_drop: false }`
[INFO] [stdout] 3e44b13cd840841752026eb2a2fa3f79fcddfa3c83c1a63accc2f0895013437b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d92dfbbf9d312443ea58d59d5d5c93b3f72e3044a3de2999750dd0ac02ca6614
[INFO] running `Command { std: "docker" "start" "-a" "d92dfbbf9d312443ea58d59d5d5c93b3f72e3044a3de2999750dd0ac02ca6614", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling d4t4 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.32s
[INFO] running `Command { std: "docker" "inspect" "d92dfbbf9d312443ea58d59d5d5c93b3f72e3044a3de2999750dd0ac02ca6614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92dfbbf9d312443ea58d59d5d5c93b3f72e3044a3de2999750dd0ac02ca6614", kill_on_drop: false }`
[INFO] [stdout] d92dfbbf9d312443ea58d59d5d5c93b3f72e3044a3de2999750dd0ac02ca6614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e135dfb481265c822d3e2b9e5225066e99ad0badf7319183399cb34e8423e4da
[INFO] running `Command { std: "docker" "start" "-a" "e135dfb481265c822d3e2b9e5225066e99ad0badf7319183399cb34e8423e4da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling console v0.11.3
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling insta v0.16.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling d4t4 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `Command { std: "docker" "inspect" "e135dfb481265c822d3e2b9e5225066e99ad0badf7319183399cb34e8423e4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e135dfb481265c822d3e2b9e5225066e99ad0badf7319183399cb34e8423e4da", kill_on_drop: false }`
[INFO] [stdout] e135dfb481265c822d3e2b9e5225066e99ad0badf7319183399cb34e8423e4da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09086f88f808a8cfb97a3c5c59153b199da2ecd579f33381af81d4f1ebdb2402
[INFO] running `Command { std: "docker" "start" "-a" "09086f88f808a8cfb97a3c5c59153b199da2ecd579f33381af81d4f1ebdb2402", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/d4t4-e3673ea2b35dc4dd)
[INFO] [stderr]      Running tests/comments.rs (/opt/rustwide/target/debug/deps/comments-06e1b9dd6c6537a6)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test it_can_parse_hash_comment ... ok
[INFO] [stdout] test it_can_parse_object_with_multiline_comment ... ok
[INFO] [stdout] test it_can_parse_line_comment ... ok
[INFO] [stdout] test it_can_parse_object_with_comment ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/json.rs (/opt/rustwide/target/debug/deps/json-3f919724444b173f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_can_parse_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/object_keys.rs (/opt/rustwide/target/debug/deps/object_keys-b91f6c2a2159664b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_errors_on_same_key ... ok
[INFO] [stdout] test it_can_parse_different_keys ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/quoting.rs (/opt/rustwide/target/debug/deps/quoting-b098e6877ce4a3e0)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test it_can_parse_mixed_quotations ... ok
[INFO] [stdout] test it_can_parse_double_with_escaped_double ... ok
[INFO] [stdout] test it_can_parse_double_quotes ... ok
[INFO] [stdout] test it_can_parse_double_inside_single_quotes ... ok
[INFO] [stdout] test it_can_parse_single_inside_double_quotes ... ok
[INFO] [stderr]      Running tests/references.rs (/opt/rustwide/target/debug/deps/references-3eaff1f0856a600b)
[INFO] [stdout] test it_can_parse_single_with_escaped_single ... ok
[INFO] [stdout] test it_can_parse_single_quotes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test it_can_chain_references ... ignored
[INFO] [stdout] test it_can_extend_objects ... ignored
[INFO] [stdout] test it_can_reference_arrays ... ignored
[INFO] [stdout] test it_can_reference_objects ... ignored
[INFO] [stdout] test it_can_translate_bool_to_string ... ignored
[INFO] [stdout] test it_can_translate_float_to_string ... ignored
[INFO] [stdout] test it_can_translate_int_to_string ... ignored
[INFO] [stdout] test it_can_translate_null_to_string ... ignored
[INFO] [stdout] test it_thows_error_on_recursion ... ignored
[INFO] [stdout] test it_thows_error_when_referencing_arrays ... ok
[INFO] [stdout] test it_thows_error_when_reference_in_key ... ok
[INFO] [stdout] test it_thows_error_when_key_is_not_found_in_nested ... ok
[INFO] [stdout] test it_thows_error_when_key_is_not_found ... ok
[INFO] [stdout] test it_can_parse_deeply_nested_references ... ok
[INFO] [stdout] test it_can_parse_deeply_nested_targets ... ok
[INFO] [stdout] test it_can_parse_multiple_references ... ok
[INFO] [stdout] test it_can_reference_from_within_array ... ok
[INFO] [stdout] test it_can_parse_references_at_root ... ok
[INFO] [stdout] test it_can_parse_nested_targets ... ok
[INFO] [stdout] test it_can_parse_nested_references ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 9 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests d4t4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09086f88f808a8cfb97a3c5c59153b199da2ecd579f33381af81d4f1ebdb2402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09086f88f808a8cfb97a3c5c59153b199da2ecd579f33381af81d4f1ebdb2402", kill_on_drop: false }`
[INFO] [stdout] 09086f88f808a8cfb97a3c5c59153b199da2ecd579f33381af81d4f1ebdb2402