[INFO] fetching crate ryson 0.1.0...
[INFO] testing ryson-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ryson 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ryson 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ryson 0.1.0
[INFO] finished tweaking crates.io crate ryson 0.1.0
[INFO] tweaked toml for crates.io crate ryson 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e9a40e96d17e01e49a2f7c9f28deb1ec59d3011e702193e3948f7d48c8736fe
[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" "7e9a40e96d17e01e49a2f7c9f28deb1ec59d3011e702193e3948f7d48c8736fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e9a40e96d17e01e49a2f7c9f28deb1ec59d3011e702193e3948f7d48c8736fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9a40e96d17e01e49a2f7c9f28deb1ec59d3011e702193e3948f7d48c8736fe", kill_on_drop: false }`
[INFO] [stdout] 7e9a40e96d17e01e49a2f7c9f28deb1ec59d3011e702193e3948f7d48c8736fe
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 654940ccde46f5a95da59ba51c544a89de41482b26229d982c3a747fddaf62a2
[INFO] running `Command { std: "docker" "start" "-a" "654940ccde46f5a95da59ba51c544a89de41482b26229d982c3a747fddaf62a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-macro v1.0.0
[INFO] [stderr]    Compiling ryson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "654940ccde46f5a95da59ba51c544a89de41482b26229d982c3a747fddaf62a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654940ccde46f5a95da59ba51c544a89de41482b26229d982c3a747fddaf62a2", kill_on_drop: false }`
[INFO] [stdout] 654940ccde46f5a95da59ba51c544a89de41482b26229d982c3a747fddaf62a2
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] b5a3991dbd15917eaef3b5e8d434395e51041a69a9bc3ba9c2bff4178538c9f5
[INFO] running `Command { std: "docker" "start" "-a" "b5a3991dbd15917eaef3b5e8d434395e51041a69a9bc3ba9c2bff4178538c9f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "b5a3991dbd15917eaef3b5e8d434395e51041a69a9bc3ba9c2bff4178538c9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a3991dbd15917eaef3b5e8d434395e51041a69a9bc3ba9c2bff4178538c9f5", kill_on_drop: false }`
[INFO] [stdout] b5a3991dbd15917eaef3b5e8d434395e51041a69a9bc3ba9c2bff4178538c9f5
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5c9b6f410abb4157cc38fae061f0d8eef5be8fb8e955ef0d81327ab7b59ef28
[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" "b5c9b6f410abb4157cc38fae061f0d8eef5be8fb8e955ef0d81327ab7b59ef28", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ryson-961faa552d3a75b5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::iterator_preserves_position ... ok
[INFO] [stdout] test test::preserves_position_on_number ... ok
[INFO] [stdout] test test::preserves_position_on_string ... ok
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-7b664530bafdd62e)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test accepts_empty_array ... ok
[INFO] [stdout] test accepts_empty_object ... ok
[INFO] [stdout] test accepts_array_with_object_element ... ok
[INFO] [stdout] test accept_nested_arrays ... ok
[INFO] [stdout] test accepts_false ... ok
[INFO] [stdout] test accepts_integers ... ok
[INFO] [stdout] test accepts_multi_field_objects ... ok
[INFO] [stdout] test accepts_null ... ok
[INFO] [stdout] test accepts_nested_objects ... ok
[INFO] [stdout] test accepts_rationals ... ok
[INFO] [stdout] test accepts_object_array_property ... ok
[INFO] [stdout] test accepts_single_field_objects ... ok
[INFO] [stdout] test accepts_true ... ok
[INFO] [stdout] test accepts_strings ... ok
[INFO] [stdout] test error_on_beginning_dot ... ok
[INFO] [stdout] test error_on_ending_dot ... ok
[INFO] [stdout] test error_on_invalid_property_identifier ... ok
[INFO] [stdout] test error_on_invalid_unicode ... ok
[INFO] [stdout] test error_on_missing_colon ... ok
[INFO] [stdout] test error_on_missing_property ... ok
[INFO] [stdout] test error_on_multiple_commas ... ok
[INFO] [stdout] test error_on_multiple_dots ... ok
[INFO] [stdout] test error_on_multiple_value ... ok
[INFO] [stdout] test error_on_non_digits_after_digits ... ok
[INFO] [stdout] test error_on_non_zero_starting_with_zero ... ok
[INFO] [stdout] test error_on_not_ended_array ... ok
[INFO] [stdout] test error_on_text_after_ending_quote ... ok
[INFO] [stdout] test error_on_unknown_escape ... ok
[INFO] [stdout] test escapes_criagereturn_tab_newline_formfeed_backspace ... ok
[INFO] [stdout] test escapes_double_back_slash ... ok
[INFO] [stdout] test escapes_unicode ... ok
[INFO] [stdout] test escapes_back_slash_quote ... ok
[INFO] [stdout] test unexpected_end_of_string ... ok
[INFO] [stdout] test multi_element_array ... ok
[INFO] [stdout] test single_element_array ... ok
[INFO] [stdout] test throws_error_on_unknown_keyword ... ok
[INFO] [stdout] test ignore_white_space_newline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ryson
[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" "b5c9b6f410abb4157cc38fae061f0d8eef5be8fb8e955ef0d81327ab7b59ef28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c9b6f410abb4157cc38fae061f0d8eef5be8fb8e955ef0d81327ab7b59ef28", kill_on_drop: false }`
[INFO] [stdout] b5c9b6f410abb4157cc38fae061f0d8eef5be8fb8e955ef0d81327ab7b59ef28