[INFO] fetching crate yaml-merge-keys 0.4.1...
[INFO] testing yaml-merge-keys-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate yaml-merge-keys 0.4.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate yaml-merge-keys 0.4.1 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 yaml-merge-keys 0.4.1
[INFO] finished tweaking crates.io crate yaml-merge-keys 0.4.1
[INFO] tweaked toml for crates.io crate yaml-merge-keys 0.4.1 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77eb1dc860c5811f3f79b085befbff18f048f07b5108edb23ae9b0d1e491b450
[INFO] running `Command { std: "docker" "start" "-a" "77eb1dc860c5811f3f79b085befbff18f048f07b5108edb23ae9b0d1e491b450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77eb1dc860c5811f3f79b085befbff18f048f07b5108edb23ae9b0d1e491b450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77eb1dc860c5811f3f79b085befbff18f048f07b5108edb23ae9b0d1e491b450", kill_on_drop: false }`
[INFO] [stdout] 77eb1dc860c5811f3f79b085befbff18f048f07b5108edb23ae9b0d1e491b450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] e2da87c36283f78ef240dfcbef46c045a6befed452d02cffb363fadbe5baeac0
[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" "e2da87c36283f78ef240dfcbef46c045a6befed452d02cffb363fadbe5baeac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling yaml-merge-keys v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.97s
[INFO] running `Command { std: "docker" "inspect" "e2da87c36283f78ef240dfcbef46c045a6befed452d02cffb363fadbe5baeac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2da87c36283f78ef240dfcbef46c045a6befed452d02cffb363fadbe5baeac0", kill_on_drop: false }`
[INFO] [stdout] e2da87c36283f78ef240dfcbef46c045a6befed452d02cffb363fadbe5baeac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6b5a65f11e4b0f89a8b024a032b9d26f5815e72fa08d1f859e6bd3d00cf9ea38
[INFO] running `Command { std: "docker" "start" "-a" "6b5a65f11e4b0f89a8b024a032b9d26f5815e72fa08d1f859e6bd3d00cf9ea38", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml-merge-keys v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "6b5a65f11e4b0f89a8b024a032b9d26f5815e72fa08d1f859e6bd3d00cf9ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5a65f11e4b0f89a8b024a032b9d26f5815e72fa08d1f859e6bd3d00cf9ea38", kill_on_drop: false }`
[INFO] [stdout] 6b5a65f11e4b0f89a8b024a032b9d26f5815e72fa08d1f859e6bd3d00cf9ea38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] ae06bfa7ac978bf7f01e51eac916d888f8ca911a784a00a78b436256e8ac27e5
[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" "ae06bfa7ac978bf7f01e51eac916d888f8ca911a784a00a78b436256e8ac27e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yaml_merge_keys-33a0405f9a65bc60
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::test_ignore_container_no_merge_keys ... ok
[INFO] [stdout] test test::test_merge_key_array_precedence ... ok
[INFO] [stdout] test test::test_merge_key_nested_array ... ok
[INFO] [stdout] test test::test_merge_key_nested_hash_key ... ok
[INFO] [stdout] test test::test_merge_key_precedence ... ok
[INFO] [stdout] test test::test_handle_merge_keys ... ok
[INFO] [stdout] test test::test_remove_merge_keys ... ok
[INFO] [stdout] test test::test_yaml_spec_examples ... ok
[INFO] [stdout] test test::test_merge_key_array ... ok
[INFO] [stdout] test test::test_merge_key_nested_hash_value ... ok
[INFO] [stdout] test test::test_ignore_non_containers ... ok
[INFO] [stdout] test test::test_invalid_merge_key_values ... ok
[INFO] [stdout] test test::test_invalid_merge_key_array_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yaml-merge-keys
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae06bfa7ac978bf7f01e51eac916d888f8ca911a784a00a78b436256e8ac27e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae06bfa7ac978bf7f01e51eac916d888f8ca911a784a00a78b436256e8ac27e5", kill_on_drop: false }`
[INFO] [stdout] ae06bfa7ac978bf7f01e51eac916d888f8ca911a784a00a78b436256e8ac27e5