[INFO] fetching crate yaml2json-rs 0.2.8...
[INFO] testing yaml2json-rs-0.2.8 against 1.49.0 for beta-1.50-1
[INFO] extracting crate yaml2json-rs 0.2.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yaml2json-rs 0.2.8 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaml2json-rs 0.2.8
[INFO] finished tweaking crates.io crate yaml2json-rs 0.2.8
[INFO] tweaked toml for crates.io crate yaml2json-rs 0.2.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8e878579bb8400afd41891834f17ef9300232bb0955928c825d43df7e9b842d
[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" "a8e878579bb8400afd41891834f17ef9300232bb0955928c825d43df7e9b842d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e878579bb8400afd41891834f17ef9300232bb0955928c825d43df7e9b842d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e878579bb8400afd41891834f17ef9300232bb0955928c825d43df7e9b842d", kill_on_drop: false }`
[INFO] [stdout] a8e878579bb8400afd41891834f17ef9300232bb0955928c825d43df7e9b842d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 657d65c0eb3e6c9370734f69ddd5cf19958735616145810aff8e6063f4692bc1
[INFO] running `Command { std: "docker" "start" "-a" "657d65c0eb3e6c9370734f69ddd5cf19958735616145810aff8e6063f4692bc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling yaml2json-rs v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "657d65c0eb3e6c9370734f69ddd5cf19958735616145810aff8e6063f4692bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657d65c0eb3e6c9370734f69ddd5cf19958735616145810aff8e6063f4692bc1", kill_on_drop: false }`
[INFO] [stdout] 657d65c0eb3e6c9370734f69ddd5cf19958735616145810aff8e6063f4692bc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 5717783573b48bdf1c16e4f2c84ff7c20b6473b6f79fc63f5231761a198695c7
[INFO] running `Command { std: "docker" "start" "-a" "5717783573b48bdf1c16e4f2c84ff7c20b6473b6f79fc63f5231761a198695c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml2json-rs v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "5717783573b48bdf1c16e4f2c84ff7c20b6473b6f79fc63f5231761a198695c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5717783573b48bdf1c16e4f2c84ff7c20b6473b6f79fc63f5231761a198695c7", kill_on_drop: false }`
[INFO] [stdout] 5717783573b48bdf1c16e4f2c84ff7c20b6473b6f79fc63f5231761a198695c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdad8723cc2c80e2fb13afe82d515d81101dc75fa7323b7db501d5aeee4ba534
[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" "cdad8723cc2c80e2fb13afe82d515d81101dc75fa7323b7db501d5aeee4ba534", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yaml2json_rs-e31d27a34b934ee7
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::document_to_string_compact ... ok
[INFO] [stdout] test tests::document_to_string_pretty ... ok
[INFO] [stdout] test tests::document_to_writer_pretty ... ok
[INFO] [stdout] test tests::document_to_writer_compact ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yaml2json-rs
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Yaml2Json::new (line 95) ... ok
[INFO] [stdout] test src/lib.rs - Yaml2Json::document_to_string (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Yaml2Json (line 66) ... ok
[INFO] [stdout] test src/lib.rs - Yaml2Json::document_to_writer (line 132) ... ok
[INFO] [stdout] test src/lib.rs - Yaml2Json (line 77) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdad8723cc2c80e2fb13afe82d515d81101dc75fa7323b7db501d5aeee4ba534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdad8723cc2c80e2fb13afe82d515d81101dc75fa7323b7db501d5aeee4ba534", kill_on_drop: false }`
[INFO] [stdout] cdad8723cc2c80e2fb13afe82d515d81101dc75fa7323b7db501d5aeee4ba534