[INFO] fetching crate jason 0.2.0...
[INFO] testing jason-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jason 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jason 0.2.0 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 jason 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate jason 0.2.0
[INFO] tweaked toml for crates.io crate jason 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate jason 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v1.0.0
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] [stderr]   Downloaded tokio-macros v1.0.0
[INFO] [stderr]   Downloaded tokio v1.0.1
[INFO] [stderr]   Downloaded tungstenite v0.12.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.13.0
[INFO] [stderr]   Downloaded input_buffer v0.4.0
[INFO] [stderr]   Downloaded rand v0.8.1
[INFO] [stderr]   Downloaded syn v1.0.55
[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] 634bdae15acfcb4d9c34a96a4bb6ee193d6ae6733ac19b5f4fdbf9e59f5adade
[INFO] running `Command { std: "docker" "start" "-a" "634bdae15acfcb4d9c34a96a4bb6ee193d6ae6733ac19b5f4fdbf9e59f5adade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "634bdae15acfcb4d9c34a96a4bb6ee193d6ae6733ac19b5f4fdbf9e59f5adade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634bdae15acfcb4d9c34a96a4bb6ee193d6ae6733ac19b5f4fdbf9e59f5adade", kill_on_drop: false }`
[INFO] [stdout] 634bdae15acfcb4d9c34a96a4bb6ee193d6ae6733ac19b5f4fdbf9e59f5adade
[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] [stdout] b6f306a1d9f498487c8fea7218e1101da5ff26f191acbd9ea47a01d2a704f9e7
[INFO] running `Command { std: "docker" "start" "-a" "b6f306a1d9f498487c8fea7218e1101da5ff26f191acbd9ea47a01d2a704f9e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling jason v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.68s
[INFO] running `Command { std: "docker" "inspect" "b6f306a1d9f498487c8fea7218e1101da5ff26f191acbd9ea47a01d2a704f9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f306a1d9f498487c8fea7218e1101da5ff26f191acbd9ea47a01d2a704f9e7", kill_on_drop: false }`
[INFO] [stdout] b6f306a1d9f498487c8fea7218e1101da5ff26f191acbd9ea47a01d2a704f9e7
[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] [stdout] fc3cc548f6991eb9951fe4b6e425fdaf0ddcddd48be9220675817a6908180583
[INFO] running `Command { std: "docker" "start" "-a" "fc3cc548f6991eb9951fe4b6e425fdaf0ddcddd48be9220675817a6908180583", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling http v0.2.2
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling hyper v0.14.2
[INFO] [stderr]    Compiling jason v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `Command { std: "docker" "inspect" "fc3cc548f6991eb9951fe4b6e425fdaf0ddcddd48be9220675817a6908180583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3cc548f6991eb9951fe4b6e425fdaf0ddcddd48be9220675817a6908180583", kill_on_drop: false }`
[INFO] [stdout] fc3cc548f6991eb9951fe4b6e425fdaf0ddcddd48be9220675817a6908180583
[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] c2b253bf3b9cf7a169406566a99f526977fa4e28083fff5ac6316d2647137a22
[INFO] running `Command { std: "docker" "start" "-a" "c2b253bf3b9cf7a169406566a99f526977fa4e28083fff5ac6316d2647137a22", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jason-e9d9d1dfdc245132)
[INFO] [stdout] test tests::serialize_requests ... ok
[INFO] [stdout] test tests::deserialize_result_res ... ok
[INFO] [stderr]    Doc-tests jason
[INFO] [stdout] test tests::deserialize_error_res ... 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] [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" "c2b253bf3b9cf7a169406566a99f526977fa4e28083fff5ac6316d2647137a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b253bf3b9cf7a169406566a99f526977fa4e28083fff5ac6316d2647137a22", kill_on_drop: false }`
[INFO] [stdout] c2b253bf3b9cf7a169406566a99f526977fa4e28083fff5ac6316d2647137a22