[INFO] fetching crate d4t4 0.2.2...
[INFO] testing d4t4-0.2.2 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate d4t4 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate d4t4 0.2.2 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab23f972d574a151ba41cf4cd210a4bb219c2c7bd413573de4e2f0a11295c1bd
[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" "ab23f972d574a151ba41cf4cd210a4bb219c2c7bd413573de4e2f0a11295c1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab23f972d574a151ba41cf4cd210a4bb219c2c7bd413573de4e2f0a11295c1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab23f972d574a151ba41cf4cd210a4bb219c2c7bd413573de4e2f0a11295c1bd", kill_on_drop: false }`
[INFO] [stdout] ab23f972d574a151ba41cf4cd210a4bb219c2c7bd413573de4e2f0a11295c1bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", 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] c459c2b70acf911614a9810a02c46689278371c1eabf384c0b7e32cf3a7de697
[INFO] running `Command { std: "docker" "start" "-a" "c459c2b70acf911614a9810a02c46689278371c1eabf384c0b7e32cf3a7de697", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling d4t4 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.35s
[INFO] running `Command { std: "docker" "inspect" "c459c2b70acf911614a9810a02c46689278371c1eabf384c0b7e32cf3a7de697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c459c2b70acf911614a9810a02c46689278371c1eabf384c0b7e32cf3a7de697", kill_on_drop: false }`
[INFO] [stdout] c459c2b70acf911614a9810a02c46689278371c1eabf384c0b7e32cf3a7de697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ac280d1b90c0205f4c502c5023a4f28751764d191921941654d271b7467459e
[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" "6ac280d1b90c0205f4c502c5023a4f28751764d191921941654d271b7467459e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[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 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 8.33s
[INFO] running `Command { std: "docker" "inspect" "6ac280d1b90c0205f4c502c5023a4f28751764d191921941654d271b7467459e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac280d1b90c0205f4c502c5023a4f28751764d191921941654d271b7467459e", kill_on_drop: false }`
[INFO] [stdout] 6ac280d1b90c0205f4c502c5023a4f28751764d191921941654d271b7467459e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e93b6f0241d9698ac5a38f7c342ca8bf16926e9121c4d9556305c8aee5bc223
[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" "0e93b6f0241d9698ac5a38f7c342ca8bf16926e9121c4d9556305c8aee5bc223", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/d4t4-f46e50140bfeb890)
[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] [stderr]      Running tests/comments.rs (/opt/rustwide/target/debug/deps/comments-25964b1594b8d549)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test it_can_parse_object_with_multiline_comment ... ok
[INFO] [stdout] test it_can_parse_hash_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-427abf0290318cce)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/object_keys.rs (/opt/rustwide/target/debug/deps/object_keys-8de6ac07786e0dd3)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_errors_on_same_key ... ok
[INFO] [stderr]      Running tests/quoting.rs (/opt/rustwide/target/debug/deps/quoting-5dca60928132a45a)
[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 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test it_can_parse_single_with_escaped_single ... ok
[INFO] [stdout] test it_can_parse_single_inside_double_quotes ... ok
[INFO] [stdout] test it_can_parse_double_inside_single_quotes ... ok
[INFO] [stdout] test it_can_parse_single_quotes ... ok
[INFO] [stdout] test it_can_parse_mixed_quotations ... ok
[INFO] [stdout] test it_can_parse_double_with_escaped_double ... ok
[INFO] [stderr]      Running tests/references.rs (/opt/rustwide/target/debug/deps/references-2d094fea5610228b)
[INFO] [stdout] test it_can_parse_double_quotes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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_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_referencing_arrays ... ok
[INFO] [stdout] test it_thows_error_when_key_is_not_found ... ok
[INFO] [stdout] test it_can_parse_nested_references ... ok
[INFO] [stderr]    Doc-tests d4t4
[INFO] [stdout] test it_can_parse_references_at_root ... ok
[INFO] [stdout] test it_can_parse_multiple_references ... ok
[INFO] [stdout] test it_can_parse_nested_targets ... ok
[INFO] [stdout] test it_can_parse_deeply_nested_targets ... ok
[INFO] [stdout] test it_can_parse_deeply_nested_references ... ok
[INFO] [stdout] test it_can_reference_from_within_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 9 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e93b6f0241d9698ac5a38f7c342ca8bf16926e9121c4d9556305c8aee5bc223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e93b6f0241d9698ac5a38f7c342ca8bf16926e9121c4d9556305c8aee5bc223", kill_on_drop: false }`
[INFO] [stdout] 0e93b6f0241d9698ac5a38f7c342ca8bf16926e9121c4d9556305c8aee5bc223