[INFO] fetching crate rson-core 1.0.0...
[INFO] testing rson-core-1.0.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate rson-core 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rson-core 1.0.0
[INFO] finished tweaking crates.io crate rson-core 1.0.0
[INFO] tweaked toml for crates.io crate rson-core 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rson-core 1.0.0 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] crate crates.io crate rson-core 1.0.0 already has a lockfile, it will not be regenerated
[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] 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] 7e06ea0e66a025844418e29322964379820698dfc39ce500ab601c466c0221f3
[INFO] running `Command { std: "docker" "start" "-a" "7e06ea0e66a025844418e29322964379820698dfc39ce500ab601c466c0221f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e06ea0e66a025844418e29322964379820698dfc39ce500ab601c466c0221f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e06ea0e66a025844418e29322964379820698dfc39ce500ab601c466c0221f3", kill_on_drop: false }`
[INFO] [stdout] 7e06ea0e66a025844418e29322964379820698dfc39ce500ab601c466c0221f3
[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] f1d91f90e706e8f69800953d78bd33a70be15c363fdcf7cb07350f1421dea095
[INFO] running `Command { std: "docker" "start" "-a" "f1d91f90e706e8f69800953d78bd33a70be15c363fdcf7cb07350f1421dea095", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rson-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "f1d91f90e706e8f69800953d78bd33a70be15c363fdcf7cb07350f1421dea095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d91f90e706e8f69800953d78bd33a70be15c363fdcf7cb07350f1421dea095", kill_on_drop: false }`
[INFO] [stdout] f1d91f90e706e8f69800953d78bd33a70be15c363fdcf7cb07350f1421dea095
[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] 42c225be49d552808dff5f1d70813f73ffbe4892c30671f1f0f2969a9f383c8d
[INFO] running `Command { std: "docker" "start" "-a" "42c225be49d552808dff5f1d70813f73ffbe4892c30671f1f0f2969a9f383c8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling rson-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.33s
[INFO] running `Command { std: "docker" "inspect" "42c225be49d552808dff5f1d70813f73ffbe4892c30671f1f0f2969a9f383c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c225be49d552808dff5f1d70813f73ffbe4892c30671f1f0f2969a9f383c8d", kill_on_drop: false }`
[INFO] [stdout] 42c225be49d552808dff5f1d70813f73ffbe4892c30671f1f0f2969a9f383c8d
[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] 3c0ec6c64529ca0324ca7f81f4478654cded9a2eddb0bd52d18e19445c1b8095
[INFO] running `Command { std: "docker" "start" "-a" "3c0ec6c64529ca0324ca7f81f4478654cded9a2eddb0bd52d18e19445c1b8095", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rson_core-687991c44574e0ad)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test formatter::tests::test_format_enum ... ok
[INFO] [stdout] test formatter::tests::test_format_array ... ok
[INFO] [stdout] test formatter::tests::test_format_primitives ... ok
[INFO] [stdout] test formatter::tests::test_format_struct ... ok
[INFO] [stdout] test formatter::tests::test_format_map ... ok
[INFO] [stdout] test formatter::tests::test_identifier_validation ... ok
[INFO] [stdout] test formatter::tests::test_string_escaping ... ok
[INFO] [stdout] test formatter::tests::test_format_option ... ok
[INFO] [stdout] test parser::tests::test_parse_bool ... ok
[INFO] [stdout] test parser::tests::test_json_compatibility ... ok
[INFO] [stdout] test parser::tests::test_parse_char ... ok
[INFO] [stdout] test parser::tests::test_parse_array ... ok
[INFO] [stdout] test parser::tests::test_parse_null ... ok
[INFO] [stdout] test parser::tests::test_parse_numbers ... ok
[INFO] [stdout] test parser::tests::test_parse_map ... ok
[INFO] [stdout] test parser::tests::test_parse_enum ... ok
[INFO] [stdout] test parser::tests::test_parse_option ... ok
[INFO] [stdout] test parser::tests::test_parse_tuple ... ok
[INFO] [stdout] test parser::tests::test_parse_string ... ok
[INFO] [stdout] test parser::tests::test_parse_struct ... ok
[INFO] [stdout] test parser::tests::test_parse_with_comments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rson_core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - format (line 66) ... ok
[INFO] [stdout] test src/lib.rs - parse (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c0ec6c64529ca0324ca7f81f4478654cded9a2eddb0bd52d18e19445c1b8095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0ec6c64529ca0324ca7f81f4478654cded9a2eddb0bd52d18e19445c1b8095", kill_on_drop: false }`
[INFO] [stdout] 3c0ec6c64529ca0324ca7f81f4478654cded9a2eddb0bd52d18e19445c1b8095