[INFO] fetching crate serde-json-fmt 0.1.0...
[INFO] testing serde-json-fmt-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate serde-json-fmt 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde-json-fmt 0.1.0
[INFO] finished tweaking crates.io crate serde-json-fmt 0.1.0
[INFO] tweaked toml for crates.io crate serde-json-fmt 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-json-fmt 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding rstest v0.17.0 (available: v0.26.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab2077ae3a8f4e3fae08e6ecbd3c036be49d0661356c85d7405e12d7cd68dd44
[INFO] running `Command { std: "docker" "start" "-a" "ab2077ae3a8f4e3fae08e6ecbd3c036be49d0661356c85d7405e12d7cd68dd44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab2077ae3a8f4e3fae08e6ecbd3c036be49d0661356c85d7405e12d7cd68dd44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2077ae3a8f4e3fae08e6ecbd3c036be49d0661356c85d7405e12d7cd68dd44", kill_on_drop: false }`
[INFO] [stdout] ab2077ae3a8f4e3fae08e6ecbd3c036be49d0661356c85d7405e12d7cd68dd44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb8c3b0b7cef33e7b700105d70aeaef554157ac61708a29b74fc14d46f4443e6
[INFO] running `Command { std: "docker" "start" "-a" "eb8c3b0b7cef33e7b700105d70aeaef554157ac61708a29b74fc14d46f4443e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling serde-json-fmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "eb8c3b0b7cef33e7b700105d70aeaef554157ac61708a29b74fc14d46f4443e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8c3b0b7cef33e7b700105d70aeaef554157ac61708a29b74fc14d46f4443e6", kill_on_drop: false }`
[INFO] [stdout] eb8c3b0b7cef33e7b700105d70aeaef554157ac61708a29b74fc14d46f4443e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf2f822b8d820886d179fbbc875a06ecd73fb9c4012e4b308b03163465091243
[INFO] running `Command { std: "docker" "start" "-a" "bf2f822b8d820886d179fbbc875a06ecd73fb9c4012e4b308b03163465091243", kill_on_drop: false }`
[INFO] [stderr]    Compiling rstest_macros v0.17.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rstest v0.17.0
[INFO] [stderr]    Compiling serde-json-fmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.33s
[INFO] running `Command { std: "docker" "inspect" "bf2f822b8d820886d179fbbc875a06ecd73fb9c4012e4b308b03163465091243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2f822b8d820886d179fbbc875a06ecd73fb9c4012e4b308b03163465091243", kill_on_drop: false }`
[INFO] [stdout] bf2f822b8d820886d179fbbc875a06ecd73fb9c4012e4b308b03163465091243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 897e36670260cc32538061799f31be6b9904270f446a8e316bc3e16d9e6624b4
[INFO] running `Command { std: "docker" "start" "-a" "897e36670260cc32538061799f31be6b9904270f446a8e316bc3e16d9e6624b4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_json_fmt-f34ac18e32bcbd51)
[INFO] [stdout] 
[INFO] [stdout] running 126 tests
[INFO] [stdout] test tests::test_display_invalid_character ... ok
[INFO] [stdout] test tests::test_display_multiple_separators ... ok
[INFO] [stdout] test tests::test_display_missing_separator ... ok
[INFO] [stdout] test tests::test_format_pretty_complicated_indent_4 ... ok
[INFO] [stdout] test tests::test_format_pretty_complicated ... ok
[INFO] [stdout] test tests::test_format_pretty_tab_indent ... ok
[INFO] [stdout] test tests::test_format_default_is_new ... ok
[INFO] [stdout] test tests::test_format_pretty_zero_indent_width ... ok
[INFO] [stdout] test tests::test_format_top_level_array_pretty ... ok
[INFO] [stdout] test tests::test_format_top_level_array ... ok
[INFO] [stdout] test tests::test_format_spaced_separators ... ok
[INFO] [stdout] test tests::test_format_top_level_int ... ok
[INFO] [stdout] test tests::test_format_default_matches_serde_json ... ok
[INFO] [stdout] test tests::test_format_top_level_int_pretty ... ok
[INFO] [stdout] test tests::test_format_top_level_null ... ok
[INFO] [stdout] test tests::test_format_top_level_string ... ok
[INFO] [stdout] test tests::test_format_top_level_string_pretty ... ok
[INFO] [stdout] test tests::test_format_unicode ... ok
[INFO] [stdout] test tests::test_format_top_level_bool ... ok
[INFO] [stdout] test tests::test_format_top_level_bool_pretty ... ok
[INFO] [stdout] test tests::test_format_top_level_float ... ok
[INFO] [stdout] test tests::test_format_weird_separators ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_03 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_04 ... ok
[INFO] [stdout] test tests::test_format_top_level_null_pretty ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_06 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_07 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_13 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_08 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_10 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_11 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_12 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_09 ... ok
[INFO] [stdout] test tests::test_format_top_level_float_pretty ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_05 ... ok
[INFO] [stdout] test tests::test_format_default ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_14 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_16 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_19 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_21 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_22 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_24 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_18 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_27 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_20 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_26 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_23 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_25 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_31 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_32 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_33 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_34 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_35 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_36 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_37 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_38 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_40 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_39 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_41 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_43 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_42 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_44 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_47 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_01 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_02 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_03 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_04 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_46 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_28 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_30 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_29 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_45 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_06 ... ok
[INFO] [stdout] test tests::test_format_pretty ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_15 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_05 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_11 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_12 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_09 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_07 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_17 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_20 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_21 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_22 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_23 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_08 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_24 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_13 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_14 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_18 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_15 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_19 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_30 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_25 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_26 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_28 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_27 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_29 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_31 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_32 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_33 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_35 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_36 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_38 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_39 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_42 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_44 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_41 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_34 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_10 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_43 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_37 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_45 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_49 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_46 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_50 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_47 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_40 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_48 ... ok
[INFO] [stdout] test tests::test_format_pretty_empty_indent ... ok
[INFO] [stdout] test tests::test_format_pretty_matches_serde_json ... ok
[INFO] [stdout] test tests::test_format_unicode_in_ascii ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_01 ... ok
[INFO] [stdout] test tests::test_validate_string_no_sep::case_02 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_16 ... ok
[INFO] [stdout] test tests::test_validate_string_sep::case_17 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 126 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/building.rs (/opt/rustwide/target/debug/deps/building-f740f693d3fc6e4f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_json_formatter_is_formatter ... ok
[INFO] [stdout] test test_json_frmtr_is_formatter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_json_fmt
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "897e36670260cc32538061799f31be6b9904270f446a8e316bc3e16d9e6624b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897e36670260cc32538061799f31be6b9904270f446a8e316bc3e16d9e6624b4", kill_on_drop: false }`
[INFO] [stdout] 897e36670260cc32538061799f31be6b9904270f446a8e316bc3e16d9e6624b4